2024-05-25 11:49:43 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2024-05-25 11:49:43 INFO ::casa loaded config file : /wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casaconfig/config.py 2024-05-25 11:49:43 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2024-05-25 11:49:43 INFO ::casa 2024-05-25 11:49:43 INFO ::casa config values 2024-05-25 11:49:43 INFO ::casa agg = False 2024-05-25 11:49:43 INFO ::casa cachedir = '/home/casatest/.casa' 2024-05-25 11:49:43 INFO ::casa casaconfig_verbose = 1 2024-05-25 11:49:43 INFO ::casa colors = 'Neutral' 2024-05-25 11:49:43 INFO ::casa data_auto_update = False 2024-05-25 11:49:43 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2024-05-25 11:49:43 INFO ::casa iplog = False 2024-05-25 11:49:43 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/ipython-20240525-114940.log' 2024-05-25 11:49:43 INFO ::casa log2term = True 2024-05-25 11:49:43 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/casa-20240525-114940.log' 2024-05-25 11:49:43 INFO ::casa measures_auto_update = False 2024-05-25 11:49:43 INFO ::casa measurespath = '/opt/casa/data/master' 2024-05-25 11:49:43 INFO ::casa nogui = False 2024-05-25 11:49:43 INFO ::casa nologfile = False 2024-05-25 11:49:43 INFO ::casa nologger = True 2024-05-25 11:49:43 INFO ::casa pipeline = False 2024-05-25 11:49:43 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2024-05-25 11:49:43 INFO ::casa user_site = False 2024-05-25 11:49:43 INFO ::casa 2024-05-25 11:49:43 WARN ::casa There was an unexpected exception when determining the installed casarundata and measures versions 2024-05-25 11:49:43 WARN ::casa Other messages will have appeared before this that may help diagnose the problem. 2024-05-25 11:49:43 WARN ::casa CASA will probably be unusable until this is fixed. 2024-05-25 11:49:43 INFO ::casa 2024-05-25 11:49:43 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2024-05-25 11:49:43 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2024/05/18/15:00, 2024/04/18/00:00:00 2024-05-25 11:49:43 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2024/05/18/15:00, 2024/04/18/00:00:00 2024-05-25 11:49:43 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2024/05/24/15:00, 2024/08/22/00:00:00 2024-05-25 11:49:43 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2024/05/24/15:00, 2017/01/01/00:00:00 2024-05-25 11:49:47 INFO phaseshift::::casa ########################################## 2024-05-25 11:49:47 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:49:47 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' ) 2024-05-25 11:49:47 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-05-25 11:49:47 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:49:47 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:49:47 INFO MSTransformManager::parseDataSelParams array selection is 1 2024-05-25 11:49:47 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:49:47 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:49:47 INFO MSTransformManager::initDataSelectionParams Selected Arrays Ids are [1] 2024-05-25 11:49:47 INFO MSTransformManager::open Select data 2024-05-25 11:49:47 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:49:47 SEVERE phaseshift::::casa MSSelectionNullSelection : The selected table has zero rows. 2024-05-25 11:49:47 INFO name:: No table opened. 2024-05-25 11:49:47 INFO name:: No table opened. 2024-05-25 11:49:47 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows. 2024-05-25 11:49:47 INFO phaseshift::::casa Traceback (most recent call last): 2024-05-25 11:49:47 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 109, in phaseshift 2024-05-25 11:49:47 INFO phaseshift::::casa+ mtlocal.open() 2024-05-25 11:49:47 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/mstransformer.py", line 36, in open 2024-05-25 11:49:47 INFO phaseshift::::casa+ return self._swigobj.open() 2024-05-25 11:49:47 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2024-05-25 11:49:47 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2024-05-25 11:49:47 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2024-05-25 11:49:47 INFO phaseshift::::casa+ 2024-05-25 11:49:47 INFO phaseshift::::casa+ During handling of the above exception, another exception occurred: 2024-05-25 11:49:47 INFO phaseshift::::casa+ 2024-05-25 11:49:47 INFO phaseshift::::casa+ Traceback (most recent call last): 2024-05-25 11:49:47 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casashell/private/phaseshift.py", line 556, in __call__ 2024-05-25 11:49:47 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'] ) 2024-05-25 11:49:47 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 120, in phaseshift 2024-05-25 11:49:47 INFO phaseshift::::casa+ raise RuntimeError(str(instance)) 2024-05-25 11:49:47 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2024-05-25 11:49:47 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:49:46.871830 End time: 2024-05-25 11:49:46.944151 2024-05-25 11:49:47 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:49:47 INFO phaseshift::::casa ########################################## 2024-05-25 11:49:47 INFO phaseshift::::casa ########################################## 2024-05-25 11:49:47 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:49:47 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' ) 2024-05-25 11:49:47 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-05-25 11:49:47 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:49:47 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:49:47 INFO MSTransformManager::parseDataSelParams array selection is 0 2024-05-25 11:49:47 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:49:47 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:49:47 INFO MSTransformManager::initDataSelectionParams Selected Arrays Ids are [0] 2024-05-25 11:49:47 INFO MSTransformManager::open Select data 2024-05-25 11:49:47 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:49:50 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2024-05-25 11:49:50 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2024-05-25 11:49:54 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 00h06m14 -06d23m35 successfully parsed 2024-05-25 11:49:54 INFO phaseshift::::casa Shift phase center 2024-05-25 11:50:47 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:49:46.945411 End time: 2024-05-25 11:50:47.165492 2024-05-25 11:50:47 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:50:47 INFO phaseshift::::casa ########################################## 2024-05-25 11:50:48 INFO phaseshift::::casa ########################################## 2024-05-25 11:50:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:50:48 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' ) 2024-05-25 11:50:48 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-05-25 11:50:48 INFO MSTransformManager::parseMsSpecParams Data column is MODEL 2024-05-25 11:50:48 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:50:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:50:48 WARN MSTransformManager::checkDataColumnsToFill MODEL_DATA column requested but not available in input MS 2024-05-25 11:50:48 INFO MSTransformManager::open Select data 2024-05-25 11:50:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:50:48 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). 2024-05-25 11:50:48 INFO name:: No table opened. 2024-05-25 11:50:48 INFO name:: No table opened. 2024-05-25 11:50:48 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). 2024-05-25 11:50:48 INFO phaseshift::::casa Traceback (most recent call last): 2024-05-25 11:50:48 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 109, in phaseshift 2024-05-25 11:50:48 INFO phaseshift::::casa+ mtlocal.open() 2024-05-25 11:50:48 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/mstransformer.py", line 36, in open 2024-05-25 11:50:48 INFO phaseshift::::casa+ return self._swigobj.open() 2024-05-25 11:50:48 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2024-05-25 11:50:48 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2024-05-25 11:50:48 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). 2024-05-25 11:50:48 INFO phaseshift::::casa+ 2024-05-25 11:50:48 INFO phaseshift::::casa+ During handling of the above exception, another exception occurred: 2024-05-25 11:50:48 INFO phaseshift::::casa+ 2024-05-25 11:50:48 INFO phaseshift::::casa+ Traceback (most recent call last): 2024-05-25 11:50:48 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casashell/private/phaseshift.py", line 556, in __call__ 2024-05-25 11:50:48 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'] ) 2024-05-25 11:50:48 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 120, in phaseshift 2024-05-25 11:50:48 INFO phaseshift::::casa+ raise RuntimeError(str(instance)) 2024-05-25 11:50:48 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). 2024-05-25 11:50:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:50:48.340202 End time: 2024-05-25 11:50:48.366827 2024-05-25 11:50:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:50:48 INFO phaseshift::::casa ########################################## 2024-05-25 11:50:49 INFO phaseshift::::casa ########################################## 2024-05-25 11:50:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:50:49 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' ) 2024-05-25 11:50:49 INFO MSTransformManager::parseMsSpecParams Input file name is Itziar_copy.ms 2024-05-25 11:50:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:50:49 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:50:49 INFO MSTransformManager::parseDataSelParams field selection is 2 2024-05-25 11:50:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:50:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:50:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:50:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:50:49 INFO MSTransformManager::initDataSelectionParams Selected Fields Ids are [2] 2024-05-25 11:50:49 INFO MSTransformManager::open Select data 2024-05-25 11:50:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:50:49 INFO MSTransformDataHandler::makeSelection 6125 out of 245000 rows are going to be considered due to the selection criteria. 2024-05-25 11:50:51 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 00h00m01 -29d55m40 successfully parsed 2024-05-25 11:50:51 INFO phaseshift::::casa Shift phase center 2024-05-25 11:50:52 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:50:49.341843 End time: 2024-05-25 11:50:52.320872 2024-05-25 11:50:52 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:50:52 INFO phaseshift::::casa ########################################## 2024-05-25 11:50:53 INFO phaseshift::::casa ########################################## 2024-05-25 11:50:53 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:50:53 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' ) 2024-05-25 11:50:53 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-05-25 11:50:53 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:50:53 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:50:53 INFO MSTransformManager::parseDataSelParams scan intent selection is *FLUX* 2024-05-25 11:50:53 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:50:53 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:50:53 INFO MSTransformManager::initDataSelectionParams Selected Scans Intents Ids are [12] 2024-05-25 11:50:53 INFO MSTransformManager::open Select data 2024-05-25 11:50:53 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:50:53 INFO MSTransformDataHandler::makeSelection 570 out of 6270 rows are going to be considered due to the selection criteria. 2024-05-25 11:50:55 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2024-05-25 11:50:55 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2024-05-25 11:50:57 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 00h06m14 -06d23m35 successfully parsed 2024-05-25 11:50:57 INFO phaseshift::::casa Shift phase center 2024-05-25 11:50:58 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:50:53.353133 End time: 2024-05-25 11:50:57.636927 2024-05-25 11:50:58 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:50:58 INFO phaseshift::::casa ########################################## 2024-05-25 11:50:59 INFO phaseshift::::casa ########################################## 2024-05-25 11:50:59 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:50:59 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' ) 2024-05-25 11:50:59 INFO MSTransformManager::parseMsSpecParams Input file name is mms_copy.mms 2024-05-25 11:50:59 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:50:59 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:50:59 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:50:59 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:50:59 INFO MSTransformManager::open Select data 2024-05-25 11:50:59 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:51:01 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 05h30m48 13d31m48 successfully parsed 2024-05-25 11:51:01 INFO phaseshift::::casa Shift phase center 2024-05-25 11:51:02 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:50:58.821849 End time: 2024-05-25 11:51:02.382652 2024-05-25 11:51:02 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:51:02 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:03 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:03 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:51:03 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' ) 2024-05-25 11:51:03 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-05-25 11:51:03 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:51:03 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:51:03 INFO MSTransformManager::parseDataSelParams observation selection is 1 2024-05-25 11:51:03 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:51:03 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:51:03 INFO MSTransformManager::initDataSelectionParams Selected Observations Ids are [] 2024-05-25 11:51:03 INFO MSTransformManager::open Select data 2024-05-25 11:51:03 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:51:03 SEVERE phaseshift::::casa MSSelectionNullSelection : The selected table has zero rows. 2024-05-25 11:51:03 INFO name:: No table opened. 2024-05-25 11:51:03 INFO name:: No table opened. 2024-05-25 11:51:03 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows. 2024-05-25 11:51:03 INFO phaseshift::::casa Traceback (most recent call last): 2024-05-25 11:51:03 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 109, in phaseshift 2024-05-25 11:51:03 INFO phaseshift::::casa+ mtlocal.open() 2024-05-25 11:51:03 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/mstransformer.py", line 36, in open 2024-05-25 11:51:03 INFO phaseshift::::casa+ return self._swigobj.open() 2024-05-25 11:51:03 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2024-05-25 11:51:03 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2024-05-25 11:51:03 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2024-05-25 11:51:03 INFO phaseshift::::casa+ 2024-05-25 11:51:03 INFO phaseshift::::casa+ During handling of the above exception, another exception occurred: 2024-05-25 11:51:03 INFO phaseshift::::casa+ 2024-05-25 11:51:03 INFO phaseshift::::casa+ Traceback (most recent call last): 2024-05-25 11:51:03 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casashell/private/phaseshift.py", line 556, in __call__ 2024-05-25 11:51:03 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'] ) 2024-05-25 11:51:03 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 120, in phaseshift 2024-05-25 11:51:03 INFO phaseshift::::casa+ raise RuntimeError(str(instance)) 2024-05-25 11:51:03 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2024-05-25 11:51:03 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:51:03.332000 End time: 2024-05-25 11:51:03.369538 2024-05-25 11:51:03 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:51:03 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:03 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:03 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:51:03 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' ) 2024-05-25 11:51:03 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-05-25 11:51:03 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:51:03 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:51:03 INFO MSTransformManager::parseDataSelParams observation selection is 0 2024-05-25 11:51:03 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:51:03 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:51:03 INFO MSTransformManager::initDataSelectionParams Selected Observations Ids are [0] 2024-05-25 11:51:03 INFO MSTransformManager::open Select data 2024-05-25 11:51:03 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:51:05 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2024-05-25 11:51:05 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2024-05-25 11:51:08 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 00h06m14 -06d23m35 successfully parsed 2024-05-25 11:51:08 INFO phaseshift::::casa Shift phase center 2024-05-25 11:51:09 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:51:03.370781 End time: 2024-05-25 11:51:08.653850 2024-05-25 11:51:09 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:51:09 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:10 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:10 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:51:10 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2024-05-25 11:51:10 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2024-05-25 11:51:10 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:51:10 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:51:10 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:51:10 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:51:10 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:51:10 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:51:10 INFO MSTransformManager::open Select data 2024-05-25 11:51:10 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:51:16 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40d06m00 successfully parsed 2024-05-25 11:51:16 INFO phaseshift::::casa Shift phase center 2024-05-25 11:51:19 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:51:09.708635 End time: 2024-05-25 11:51:19.333530 2024-05-25 11:51:19 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:51:19 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:20 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:51:20 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='' ) 2024-05-25 11:51:20 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: phasecenter parameter must be specified 2024-05-25 11:51:20 INFO phaseshift::::casa Traceback (most recent call last): 2024-05-25 11:51:20 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casashell/private/phaseshift.py", line 556, in __call__ 2024-05-25 11:51:20 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'] ) 2024-05-25 11:51:20 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-14360-2-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 30, in phaseshift 2024-05-25 11:51:20 INFO phaseshift::::casa+ raise ValueError('phasecenter parameter must be specified') 2024-05-25 11:51:20 INFO phaseshift::::casa+ ValueError: phasecenter parameter must be specified 2024-05-25 11:51:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:51:20.375634 End time: 2024-05-25 11:51:20.376378 2024-05-25 11:51:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:51:20 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:20 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:51:20 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' ) 2024-05-25 11:51:20 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-05-25 11:51:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:51:20 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:51:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:51:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:51:20 INFO MSTransformManager::open Select data 2024-05-25 11:51:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:51:23 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2024-05-25 11:51:23 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2024-05-25 11:51:26 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 00h06m14 -08d23m35 successfully parsed 2024-05-25 11:51:26 INFO phaseshift::::casa Shift phase center 2024-05-25 11:51:27 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:51:20.377544 End time: 2024-05-25 11:51:27.208608 2024-05-25 11:51:27 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:51:27 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:28 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:28 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:51:28 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' ) 2024-05-25 11:51:28 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2024-05-25 11:51:28 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:51:28 INFO MSTransformManager::parseMsSpecParams Output file name is post_phaseshift.ms 2024-05-25 11:51:28 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:51:28 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:51:28 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:51:28 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:51:28 INFO MSTransformManager::open Select data 2024-05-25 11:51:28 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:51:32 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40d06m00 successfully parsed 2024-05-25 11:51:32 INFO phaseshift::::casa Shift phase center 2024-05-25 11:51:36 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:51:28.391186 End time: 2024-05-25 11:51:36.151217 2024-05-25 11:51:36 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:51:36 INFO phaseshift::::casa ########################################## 2024-05-25 11:51:36 INFO tclean::::casa ########################################## 2024-05-25 11:51:36 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:51:36 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 ) 2024-05-25 11:51:36 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:51:36 INFO SynthesisImagerVi2::selectData MS : datacopy.ms | [Opened in readonly mode] 2024-05-25 11:51:36 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2024-05-25 11:51:36 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_pre] : 2024-05-25 11:51:37 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:51:37 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2024-05-25 11:51:37 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_pre] with ftmachine: wprojectft 2024-05-25 11:51:37 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3492 GB. Available mem.: 47.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:51:37 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:51:37 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_pre] : hogbom 2024-05-25 11:51:37 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:51:37 INFO WPConvFunc::findConvFunction W projection using 128 planes 2024-05-25 11:51:37 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2024-05-25 11:51:37 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2024-05-25 11:51:37 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2024-05-25 11:51:55 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 2024-05-25 11:51:55 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 64265 MB 2024-05-25 11:52:00 INFO SIImageStore::calcSensitivity [im2_pre] Theoretical sensitivity (Jy/bm):0.00204403 2024-05-25 11:52:00 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.126426 2024-05-25 11:52:00 INFO SIImageStore::printBeamSet Beam : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg 2024-05-25 11:52:00 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:52:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:52:44 INFO task_tclean::SDAlgorithmBase::restore [im2_pre] : Restoring model image. 2024-05-25 11:52:44 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. 2024-05-25 11:52:45 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg 2024-05-25 11:52:45 INFO tclean::::casa Searching for images with prefix 'im2_pre'... Found these, writing history into them: ['im2_pre.sumwt', 'im2_pre.model', 'im2_pre.image', 'im2_pre.pb', 'im2_pre.psf', 'im2_pre.residual'] 2024-05-25 11:52:46 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:51:36.297145 End time: 2024-05-25 11:52:45.602942 2024-05-25 11:52:46 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:52:46 INFO tclean::::casa ########################################## 2024-05-25 11:52:46 INFO tclean::::casa ########################################## 2024-05-25 11:52:46 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:52:46 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 ) 2024-05-25 11:52:46 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:52:46 INFO SynthesisImagerVi2::selectData MS : post_phaseshift.ms | [Opened in readonly mode] 2024-05-25 11:52:46 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2024-05-25 11:52:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift] : 2024-05-25 11:52:46 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:52:46 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2024-05-25 11:52:46 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_post_phaseshift] with ftmachine: wprojectft 2024-05-25 11:52:46 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3492 GB. Available mem.: 47.75 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:52:46 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:52:46 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_post_phaseshift] : hogbom 2024-05-25 11:52:46 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:52:46 INFO WPConvFunc::findConvFunction W projection using 128 planes 2024-05-25 11:52:46 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2024-05-25 11:52:46 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2024-05-25 11:52:46 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2024-05-25 11:53:02 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 2024-05-25 11:53:02 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 64265 MB 2024-05-25 11:53:05 INFO SIImageStore::calcSensitivity [im2_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00204403 2024-05-25 11:53:05 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.125709 2024-05-25 11:53:05 INFO SIImageStore::printBeamSet Beam : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg 2024-05-25 11:53:05 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:53:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:53:09 INFO task_tclean::SDAlgorithmBase::restore [im2_post_phaseshift] : Restoring model image. 2024-05-25 11:53:09 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. 2024-05-25 11:53:11 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg 2024-05-25 11:53:11 INFO tclean::::casa Searching for images with prefix 'im2_post_phaseshift'... Found these, writing history into them: ['im2_post_phaseshift.residual', 'im2_post_phaseshift.sumwt', 'im2_post_phaseshift.pb', 'im2_post_phaseshift.image', 'im2_post_phaseshift.model', 'im2_post_phaseshift.psf'] 2024-05-25 11:53:12 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:52:45.700703 End time: 2024-05-25 11:53:11.987478 2024-05-25 11:53:12 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:53:12 INFO tclean::::casa ########################################## 2024-05-25 11:53:12 INFO tclean::::casa ########################################## 2024-05-25 11:53:12 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:53:12 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 ) 2024-05-25 11:53:12 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:53:12 INFO SynthesisImagerVi2::selectData MS : post_phaseshift.ms | [Opened in readonly mode] 2024-05-25 11:53:12 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2024-05-25 11:53:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 2024-05-25 11:53:12 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:53:12 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2024-05-25 11:53:12 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_post_phaseshift_tclean_phasecenter] with ftmachine: wprojectft 2024-05-25 11:53:12 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3492 GB. Available mem.: 47.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:53:12 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:53:12 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_post_phaseshift_tclean_phasecenter] : hogbom 2024-05-25 11:53:12 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:53:13 INFO WPConvFunc::findConvFunction W projection using 128 planes 2024-05-25 11:53:13 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2024-05-25 11:53:13 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2024-05-25 11:53:13 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2024-05-25 11:53:29 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 2024-05-25 11:53:29 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 64265 MB 2024-05-25 11:53:32 INFO SIImageStore::calcSensitivity [im2_post_phaseshift_tclean_phasecenter] Theoretical sensitivity (Jy/bm):0.00204403 2024-05-25 11:53:32 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.112032 2024-05-25 11:53:32 INFO SIImageStore::printBeamSet Beam : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg 2024-05-25 11:53:32 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:53:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:53:36 INFO task_tclean::SDAlgorithmBase::restore [im2_post_phaseshift_tclean_phasecenter] : Restoring model image. 2024-05-25 11:53:36 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. 2024-05-25 11:53:37 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg 2024-05-25 11:53:37 INFO tclean::::casa Searching for images with prefix 'im2_post_phaseshift_tclean_phasecenter'... Found these, writing history into them: ['im2_post_phaseshift_tclean_phasecenter.residual', 'im2_post_phaseshift_tclean_phasecenter.psf', 'im2_post_phaseshift_tclean_phasecenter.image', 'im2_post_phaseshift_tclean_phasecenter.model', 'im2_post_phaseshift_tclean_phasecenter.pb', 'im2_post_phaseshift_tclean_phasecenter.sumwt'] 2024-05-25 11:53:38 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:53:12.071471 End time: 2024-05-25 11:53:38.352841 2024-05-25 11:53:38 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:53:38 INFO tclean::::casa ########################################## 2024-05-25 11:53:40 INFO phaseshift::::casa ########################################## 2024-05-25 11:53:40 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:53:40 INFO phaseshift::::casa phaseshift( vis='ngc_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='1', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 23h11m54 61d10m54' ) 2024-05-25 11:53:40 INFO MSTransformManager::parseMsSpecParams Input file name is ngc_copy.ms 2024-05-25 11:53:40 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:53:40 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:53:40 INFO MSTransformManager::parseDataSelParams spw selection is 1 2024-05-25 11:53:40 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:53:40 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:53:40 INFO MSTransformManager::initDataSelectionParams Selected SPWs Ids are Axis Lengths: [1, 4] (NB: Matrix in Row/Column order) 2024-05-25 11:53:40 INFO MSTransformManager::initDataSelectionParams+ [1, 0, 4, 1] 2024-05-25 11:53:40 INFO MSTransformManager::open Select data 2024-05-25 11:53:40 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:53:40 INFO MSTransformDataHandler::makeSelection 13338 out of 26676 rows are going to be considered due to the selection criteria. 2024-05-25 11:53:42 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 23h11m54 61d10m54 successfully parsed 2024-05-25 11:53:42 INFO phaseshift::::casa Shift phase center 2024-05-25 11:53:43 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:53:39.990285 End time: 2024-05-25 11:53:42.858873 2024-05-25 11:53:43 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:53:43 INFO phaseshift::::casa ########################################## 2024-05-25 11:53:44 INFO phaseshift::::casa ########################################## 2024-05-25 11:53:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:53:44 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2024-05-25 11:53:44 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2024-05-25 11:53:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:53:44 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-05-25 11:53:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:53:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:53:44 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:53:44 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:53:44 INFO MSTransformManager::open Select data 2024-05-25 11:53:44 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:53:49 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40d06m00 successfully parsed 2024-05-25 11:53:49 INFO phaseshift::::casa Shift phase center 2024-05-25 11:53:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:53:43.955145 End time: 2024-05-25 11:53:51.245240 2024-05-25 11:53:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:53:51 INFO phaseshift::::casa ########################################## 2024-05-25 11:53:52 INFO phaseshift::::casa ########################################## 2024-05-25 11:53:52 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:53:52 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' ) 2024-05-25 11:53:52 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:53:52 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:53:52 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:53:52 INFO MSTransformManager::parseDataSelParams field selection is 0 2024-05-25 11:53:52 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:53:52 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:53:52 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:53:52 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:53:52 INFO MSTransformManager::initDataSelectionParams Selected Fields Ids are [0] 2024-05-25 11:53:52 INFO MSTransformManager::open Select data 2024-05-25 11:53:52 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:53:52 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2024-05-25 11:53:55 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40.108888889deg successfully parsed 2024-05-25 11:53:55 INFO phaseshift::::casa Shift phase center 2024-05-25 11:53:56 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:53:52.005395 End time: 2024-05-25 11:53:56.392366 2024-05-25 11:53:56 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:53:56 INFO phaseshift::::casa ########################################## 2024-05-25 11:53:56 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2024-05-25 11:53:56 INFO tclean::::casa ########################################## 2024-05-25 11:53:56 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:53:56 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 11:53:56 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:53:56 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:53:57 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2024-05-25 11:53:57 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:53:57 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:53:57 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07] 2024-05-25 11:53:57 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:53:57 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.76 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:53:57 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:53:57 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:53:57 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:53:58 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2024-05-25 11:53:58 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.032033 2024-05-25 11:53:58 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2024-05-25 11:53:58 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:53:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:54:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:54:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:54:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:54:00 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:54:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3 2024-05-25 11:54:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:54:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:54:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:54:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:54:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3 2024-05-25 11:54:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2024-05-25 11:54:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:54:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:54:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2024-05-25 11:54:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3 2024-05-25 11:54:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2024-05-25 11:54:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:54:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:54:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184 2024-05-25 11:54:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3 2024-05-25 11:54:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter. 2024-05-25 11:54:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:54:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:54:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276 2024-05-25 11:54:05 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:54:05 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:54:05 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:54:05 INFO SIImageStore::restore Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2024-05-25 11:54:06 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:54:07 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:53:56.484728 End time: 2024-05-25 11:54:06.518722 2024-05-25 11:54:07 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:54:07 INFO tclean::::casa ########################################## 2024-05-25 11:54:07 INFO imstat::::casa ########################################## 2024-05-25 11:54:07 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:54:07 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 ) 2024-05-25 11:54:07 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:54:07 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:54:07 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:54:07 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:54:07 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:54:07 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz to 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz) 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz 2024-05-25 11:54:07 INFO imstat:::: Values --- 2024-05-25 11:54:07 INFO imstat:::: -- flux density [flux]: 4.99409 Jy 2024-05-25 11:54:07 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:54:07 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- minimum value [min]: -0.00012283 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2024-05-25 11:54:07 INFO imstat:::: -- position of min value (pixel) [minpos]: [100, 55, 0, 0] 2024-05-25 11:54:07 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz 2024-05-25 11:54:07 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz 2024-05-25 11:54:07 INFO imstat:::: -- Sum of pixel values [sum]: 605.961 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1516.75 Jy/beam.Jy/beam 2024-05-25 11:54:07 INFO imstat:::: Statistics --- 2024-05-25 11:54:07 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00924623 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- Variance of the pixel values : 0.0230586 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.15185 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- Root mean square [rms]: 0.152131 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- Median of the pixel values [median]: -2.09007e-05 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- IQR [quartile]: 6.1616e-05 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- First quartile [q1]: -4.79744e-05 Jy/beam 2024-05-25 11:54:07 INFO imstat:::: -- Third quartile [q3]: 1.36416e-05 Jy/beam 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:54:07 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.059610e+02 9.246232e-03 1.521305e-01 1.518505e-01 -1.228298e-04 4.999997e+00 2024-05-25 11:54:07 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:54:06.556210 End time: 2024-05-25 11:54:06.605058 2024-05-25 11:54:07 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:54:07 INFO imstat::::casa ########################################## 2024-05-25 11:54:07 INFO phaseshift::::casa ########################################## 2024-05-25 11:54:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:54:07 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='fake', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' ) 2024-05-25 11:54:07 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:54:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:54:07 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:54:07 INFO MSTransformManager::parseDataSelParams field selection is fake 2024-05-25 11:54:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:54:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:54:07 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:54:07 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:54:07 INFO MSTransformManager::initDataSelectionParams Selected Fields Ids are [0] 2024-05-25 11:54:07 INFO MSTransformManager::open Select data 2024-05-25 11:54:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:54:07 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2024-05-25 11:54:08 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40.108888889deg successfully parsed 2024-05-25 11:54:08 INFO phaseshift::::casa Shift phase center 2024-05-25 11:54:09 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:54:06.623401 End time: 2024-05-25 11:54:08.740200 2024-05-25 11:54:09 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:54:09 INFO phaseshift::::casa ########################################## 2024-05-25 11:54:09 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2024-05-25 11:54:09 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data.ms... 2024-05-25 11:54:09 INFO tclean::::casa ########################################## 2024-05-25 11:54:09 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:54:09 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 11:54:09 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:54:09 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:54:09 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2024-05-25 11:54:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:54:09 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:54:09 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07] 2024-05-25 11:54:09 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:54:09 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.75 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:54:09 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:54:09 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:54:09 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:54:10 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2024-05-25 11:54:10 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.034752 2024-05-25 11:54:10 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2024-05-25 11:54:10 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:54:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:54:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:54:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:54:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:54:13 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:54:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3 2024-05-25 11:54:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:54:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:54:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:54:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:54:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3 2024-05-25 11:54:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2024-05-25 11:54:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:54:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:54:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2024-05-25 11:54:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3 2024-05-25 11:54:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2024-05-25 11:54:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:54:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:54:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184 2024-05-25 11:54:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3 2024-05-25 11:54:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter. 2024-05-25 11:54:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:54:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:54:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276 2024-05-25 11:54:27 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:54:27 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:54:27 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:54:28 INFO SIImageStore::restore Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2024-05-25 11:54:29 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:54:30 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:54:08.829499 End time: 2024-05-25 11:54:30.015129 2024-05-25 11:54:30 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:54:30 INFO tclean::::casa ########################################## 2024-05-25 11:54:30 INFO imstat::::casa ########################################## 2024-05-25 11:54:30 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:54:30 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 ) 2024-05-25 11:54:30 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:54:30 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:54:30 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:54:30 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:54:30 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:54:30 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) 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz 2024-05-25 11:54:30 INFO imstat:::: Values --- 2024-05-25 11:54:30 INFO imstat:::: -- flux density [flux]: 4.99409 Jy 2024-05-25 11:54:30 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:54:30 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- minimum value [min]: -0.00012283 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2024-05-25 11:54:30 INFO imstat:::: -- position of min value (pixel) [minpos]: [100, 55, 0, 0] 2024-05-25 11:54:30 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz 2024-05-25 11:54:30 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz 2024-05-25 11:54:30 INFO imstat:::: -- Sum of pixel values [sum]: 605.961 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1516.75 Jy/beam.Jy/beam 2024-05-25 11:54:30 INFO imstat:::: Statistics --- 2024-05-25 11:54:30 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00924623 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- Variance of the pixel values : 0.0230586 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.15185 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- Root mean square [rms]: 0.152131 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- Median of the pixel values [median]: -2.09007e-05 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- IQR [quartile]: 6.1616e-05 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- First quartile [q1]: -4.79744e-05 Jy/beam 2024-05-25 11:54:30 INFO imstat:::: -- Third quartile [q3]: 1.36416e-05 Jy/beam 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:54:30 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:54:30 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 2024-05-25 11:54:30 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:54:30.021361 End time: 2024-05-25 11:54:30.062790 2024-05-25 11:54:30 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:54:30 INFO imstat::::casa ########################################## 2024-05-25 11:54:30 INFO phaseshift::::casa ########################################## 2024-05-25 11:54:30 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:54:30 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' ) 2024-05-25 11:54:30 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:54:30 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:54:30 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:54:30 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:54:30 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:54:30 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:54:30 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:54:30 INFO MSTransformManager::open Select data 2024-05-25 11:54:30 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:54:33 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40.108888889deg successfully parsed 2024-05-25 11:54:33 INFO phaseshift::::casa Shift phase center 2024-05-25 11:54:33 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:54:30.083342 End time: 2024-05-25 11:54:33.439795 2024-05-25 11:54:33 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:54:33 INFO phaseshift::::casa ########################################## 2024-05-25 11:54:33 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2024-05-25 11:54:34 INFO tclean::::casa ########################################## 2024-05-25 11:54:34 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:54:34 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 ) 2024-05-25 11:54:34 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:54:34 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:54:34 INFO SynthesisImagerVi2::selectData NRows selected : 7020 2024-05-25 11:54:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:54:34 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:54:34 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:54:34 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:54:34 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.75 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:54:34 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:54:34 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:54:34 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:54:35 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00843949 2024-05-25 11:54:35 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.024817 2024-05-25 11:54:35 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg 2024-05-25 11:54:35 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:54:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:54:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:54:37 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:54:37 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:54:37 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:54:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6069034934043884, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.606903, CycleNiter=20, Gain=0.3 2024-05-25 11:54:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:54:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:54:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:54:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:54:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07140088081359863, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0714009, CycleNiter=14, Gain=0.3 2024-05-25 11:54:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2024-05-25 11:54:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:54:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:54:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2024-05-25 11:54:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00840018317103386, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00840018, CycleNiter=8, Gain=0.3 2024-05-25 11:54:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2024-05-25 11:54:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:54:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:54:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814189, over full image : 0.00814189 2024-05-25 11:54:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009882674785330892, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000988267, CycleNiter=2, Gain=0.3 2024-05-25 11:54:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814189->0.00279267, Reached cycleniter. 2024-05-25 11:54:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:54:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:54:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0027928, over full image : 0.0027928 2024-05-25 11:54:42 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:54:42 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:54:42 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:54:43 INFO SIImageStore::restore Beam for chan : 0 : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg 2024-05-25 11:54:43 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:54:44 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:54:33.668172 End time: 2024-05-25 11:54:43.939776 2024-05-25 11:54:44 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:54:44 INFO tclean::::casa ########################################## 2024-05-25 11:54:44 INFO imstat::::casa ########################################## 2024-05-25 11:54:44 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:54:44 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:54:44 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:54:44 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:54:44 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:54:44 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:54:44 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:54:44 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) 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 999981604.64Hz 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 999981604.64Hz 2024-05-25 11:54:44 INFO imstat:::: Values --- 2024-05-25 11:54:44 INFO imstat:::: -- flux density [flux]: 4.99444 Jy 2024-05-25 11:54:44 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:54:44 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- minimum value [min]: -9.70533e-05 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2024-05-25 11:54:44 INFO imstat:::: -- position of min value (pixel) [minpos]: [158, 70, 0, 0] 2024-05-25 11:54:44 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981604.64Hz 2024-05-25 11:54:44 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:29.120, +39.58.47.882, I, 999981604.64Hz 2024-05-25 11:54:44 INFO imstat:::: -- Sum of pixel values [sum]: 610.203 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1527.26 Jy/beam.Jy/beam 2024-05-25 11:54:44 INFO imstat:::: Statistics --- 2024-05-25 11:54:44 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00931096 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- Variance of the pixel values : 0.0232178 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152374 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- Root mean square [rms]: 0.152657 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- Median of the pixel values [median]: -1.85752e-05 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.83975e-05 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- IQR [quartile]: 3.74524e-05 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- First quartile [q1]: -3.53147e-05 Jy/beam 2024-05-25 11:54:44 INFO imstat:::: -- Third quartile [q3]: 2.13765e-06 Jy/beam 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:54:44 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:54:44 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 2024-05-25 11:54:44 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:54:43.946488 End time: 2024-05-25 11:54:43.986665 2024-05-25 11:54:44 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:54:44 INFO imstat::::casa ########################################## 2024-05-25 11:54:44 INFO phaseshift::::casa ########################################## 2024-05-25 11:54:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:54:44 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' ) 2024-05-25 11:54:44 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:54:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:54:44 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:54:44 INFO MSTransformManager::parseDataSelParams field selection is 1 2024-05-25 11:54:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:54:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:54:44 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:54:44 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:54:44 INFO MSTransformManager::initDataSelectionParams Selected Fields Ids are [1] 2024-05-25 11:54:44 INFO MSTransformManager::open Select data 2024-05-25 11:54:44 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:54:44 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2024-05-25 11:54:46 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 50.108888889deg successfully parsed 2024-05-25 11:54:46 INFO phaseshift::::casa Shift phase center 2024-05-25 11:54:47 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:54:44.007814 End time: 2024-05-25 11:54:46.797436 2024-05-25 11:54:47 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:54:47 INFO phaseshift::::casa ########################################## 2024-05-25 11:54:47 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2024-05-25 11:54:47 INFO tclean::::casa ########################################## 2024-05-25 11:54:47 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:54:47 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 ) 2024-05-25 11:54:47 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:54:47 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:54:47 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2024-05-25 11:54:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:54:47 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:54:47 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07] 2024-05-25 11:54:47 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:54:47 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.75 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:54:47 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:54:47 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:54:47 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:54:48 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2024-05-25 11:54:49 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029686 2024-05-25 11:54:49 INFO task_tclean::SIImageStore::printBeamSet Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2024-05-25 11:54:49 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:54:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:54:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2024-05-25 11:54:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:54:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:54:51 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2024-05-25 11:54:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:54:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3 2024-05-25 11:54:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter. 2024-05-25 11:54:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:54:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:54:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.180075, over full image : 0.180075 2024-05-25 11:54:53 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:54:53 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:54:53 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:54:54 INFO SIImageStore::restore Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2024-05-25 11:54:55 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:54:57 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:54:46.868770 End time: 2024-05-25 11:54:56.599830 2024-05-25 11:54:57 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:54:57 INFO tclean::::casa ########################################## 2024-05-25 11:54:57 INFO imstat::::casa ########################################## 2024-05-25 11:54:57 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:54:57 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:54:57 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:54:57 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:54:57 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:54:57 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:54:57 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:54:57 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) 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz 2024-05-25 11:54:57 INFO imstat:::: Values --- 2024-05-25 11:54:57 INFO imstat:::: -- flux density [flux]: -0.242513 Jy 2024-05-25 11:54:57 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:54:57 INFO imstat:::: -- maximum value [max]: 0.285872 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- minimum value [min]: -0.1468 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- position of max value (pixel) [maxpos]: [54, 120, 0, 0] 2024-05-25 11:54:57 INFO imstat:::: -- position of min value (pixel) [minpos]: [148, 28, 0, 0] 2024-05-25 11:54:57 INFO imstat:::: -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz 2024-05-25 11:54:57 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz 2024-05-25 11:54:57 INFO imstat:::: -- Sum of pixel values [sum]: -29.9309 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 233.452 Jy/beam.Jy/beam 2024-05-25 11:54:57 INFO imstat:::: Statistics --- 2024-05-25 11:54:57 INFO imstat:::: -- Mean of the pixel values [mean]: -0.00045671 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- Variance of the pixel values : 0.00356204 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0596828 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- Root mean square [rms]: 0.0596841 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- Median of the pixel values [median]: -0.00646386 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- IQR [quartile]: 0.0789052 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- First quartile [q1]: -0.0432754 Jy/beam 2024-05-25 11:54:57 INFO imstat:::: -- Third quartile [q3]: 0.0356299 Jy/beam 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:54:57 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:54:57 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 2024-05-25 11:54:57 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:54:56.606803 End time: 2024-05-25 11:54:56.657716 2024-05-25 11:54:57 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:54:57 INFO imstat::::casa ########################################## 2024-05-25 11:54:57 INFO phaseshift::::casa ########################################## 2024-05-25 11:54:57 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:54:57 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' ) 2024-05-25 11:54:57 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:54:57 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:54:57 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:54:57 INFO MSTransformManager::parseDataSelParams field selection is pretend 2024-05-25 11:54:57 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:54:57 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:54:57 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:54:57 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:54:57 INFO MSTransformManager::initDataSelectionParams Selected Fields Ids are [1] 2024-05-25 11:54:57 INFO MSTransformManager::open Select data 2024-05-25 11:54:57 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:54:57 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2024-05-25 11:54:59 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 50.108888889deg successfully parsed 2024-05-25 11:54:59 INFO phaseshift::::casa Shift phase center 2024-05-25 11:55:00 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:54:56.683125 End time: 2024-05-25 11:55:00.242832 2024-05-25 11:55:00 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:55:00 INFO phaseshift::::casa ########################################## 2024-05-25 11:55:00 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2024-05-25 11:55:00 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data.ms... 2024-05-25 11:55:00 INFO tclean::::casa ########################################## 2024-05-25 11:55:00 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:55:00 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 11:55:00 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:55:00 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:55:00 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2024-05-25 11:55:00 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:55:00 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:55:00 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07] 2024-05-25 11:55:00 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:55:00 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.75 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:55:00 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:55:00 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:55:00 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:55:01 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2024-05-25 11:55:01 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.022682 2024-05-25 11:55:01 INFO task_tclean::SIImageStore::printBeamSet Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2024-05-25 11:55:01 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:55:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:55:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2024-05-25 11:55:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:55:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:55:04 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2024-05-25 11:55:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:55:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3 2024-05-25 11:55:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter. 2024-05-25 11:55:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:55:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:55:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.180075, over full image : 0.180075 2024-05-25 11:55:07 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:55:07 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:55:07 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:55:08 INFO SIImageStore::restore Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2024-05-25 11:55:08 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:55:09 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:55:00.329216 End time: 2024-05-25 11:55:09.004288 2024-05-25 11:55:09 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:55:09 INFO tclean::::casa ########################################## 2024-05-25 11:55:09 INFO imstat::::casa ########################################## 2024-05-25 11:55:09 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:55:09 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 ) 2024-05-25 11:55:09 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:55:09 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:55:09 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:55:09 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:55:09 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:55:09 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) 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz 2024-05-25 11:55:09 INFO imstat:::: Values --- 2024-05-25 11:55:09 INFO imstat:::: -- flux density [flux]: -0.242513 Jy 2024-05-25 11:55:09 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:55:09 INFO imstat:::: -- maximum value [max]: 0.285872 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- minimum value [min]: -0.1468 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- position of max value (pixel) [maxpos]: [54, 120, 0, 0] 2024-05-25 11:55:09 INFO imstat:::: -- position of min value (pixel) [minpos]: [148, 28, 0, 0] 2024-05-25 11:55:09 INFO imstat:::: -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz 2024-05-25 11:55:09 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz 2024-05-25 11:55:09 INFO imstat:::: -- Sum of pixel values [sum]: -29.9309 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 233.452 Jy/beam.Jy/beam 2024-05-25 11:55:09 INFO imstat:::: Statistics --- 2024-05-25 11:55:09 INFO imstat:::: -- Mean of the pixel values [mean]: -0.00045671 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- Variance of the pixel values : 0.00356204 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0596828 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- Root mean square [rms]: 0.0596841 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- Median of the pixel values [median]: -0.00646386 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- IQR [quartile]: 0.0789052 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- First quartile [q1]: -0.0432754 Jy/beam 2024-05-25 11:55:09 INFO imstat:::: -- Third quartile [q3]: 0.0356299 Jy/beam 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:55:09 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:55:09 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 2024-05-25 11:55:09 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:55:09.011177 End time: 2024-05-25 11:55:09.052689 2024-05-25 11:55:09 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:55:09 INFO imstat::::casa ########################################## 2024-05-25 11:55:09 INFO tclean::::casa ########################################## 2024-05-25 11:55:09 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:55:09 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 ) 2024-05-25 11:55:09 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:55:09 INFO SynthesisImagerVi2::selectData MS : sim_data.ms | [Opened in readonly mode] 2024-05-25 11:55:09 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:55:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_orig] : 2024-05-25 11:55:09 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:55:09 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [9.99981e+08] at [0] with increment [1e+08] 2024-05-25 11:55:09 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_orig] with ftmachine: wprojectft 2024-05-25 11:55:09 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3492 GB. Available mem.: 47.75 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:55:09 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:55:09 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_orig] : hogbom 2024-05-25 11:55:09 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:55:10 INFO task_tclean::WPConvFunc::findConvFunction W projection using 128 planes 2024-05-25 11:55:10 INFO task_tclean::WPConvFunc::findConvFunction Using maximum possible W = 6445.78 (wavelengths) 2024-05-25 11:55:10 INFO task_tclean::WPConvFunc::findConvFunction Typical wavelength = 0.299799 (m) 2024-05-25 11:55:10 INFO task_tclean::WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.399639 wavelengths per pixel 2024-05-25 11:55:26 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 2024-05-25 11:55:26 INFO task_tclean::WPConvFunc::findConvFunction Memory used in gridding function = 14 MB from maximum 64265 MB 2024-05-25 11:55:28 INFO task_tclean::SIImageStore::calcSensitivity [im_orig] Theoretical sensitivity (Jy/bm):0.00889437 2024-05-25 11:55:29 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.11171 2024-05-25 11:55:29 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg 2024-05-25 11:55:29 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:55:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:55:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 4.94899, over full image : 4.94899 2024-05-25 11:55:32 INFO SynthesisDeconvolver::setupMask [im_orig] Initializing new mask to 1.0 for the full image 2024-05-25 11:55:32 INFO SynthesisDeconvolver::setupMask [im_orig] Number of pixels in the clean mask : 4.1943e+06 out of a total of 4.1943e+06 pixels. [ 100 % ] 2024-05-25 11:55:32 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 4.94899, over full image : 4.94899 2024-05-25 11:55:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.5971387624740601, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:55:32 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.597139, CycleNiter=20, Gain=0.3 2024-05-25 11:55:34 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->7 [7], model=0->4.6028, peakres=4.94899->0.435227, Reached cyclethreshold. 2024-05-25 11:55:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 7 iterations. 2024-05-25 11:55:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:55:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.45574, over full image : 0.45574 2024-05-25 11:55:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 13, 'cyclethreshold': 0.05498892068862915, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:55:38 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.0549889, CycleNiter=13, Gain=0.3 2024-05-25 11:55:39 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->7 [7], model=4.6028->5.02619, peakres=0.45574->0.0435268, Reached cyclethreshold. 2024-05-25 11:55:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 14 iterations. 2024-05-25 11:55:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:55:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0416506, over full image : 0.0416506 2024-05-25 11:55:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 6, 'cyclethreshold': 0.005025505553930998, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:55:43 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.00502551, CycleNiter=6, Gain=0.3 2024-05-25 11:55:43 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->6 [6], model=5.02619->5.04001, peakres=0.0416506->0.0226678, Reached cycleniter. 2024-05-25 11:55:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:55:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:55:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.022671, over full image : 0.022671 2024-05-25 11:55:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:55:47 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:55:47 INFO SDAlgorithmBase::restore [im_orig] : Restoring model image. 2024-05-25 11:55:48 INFO SIImageStore::restore Beam for chan : 0 : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg 2024-05-25 11:55:49 INFO tclean::::casa Searching for images with prefix 'im_orig'... Found these, writing history into them: ['im_orig.model', 'im_orig.sumwt', 'im_orig.residual', 'im_orig.psf', 'im_orig.pb', 'im_orig.image', 'im_orig.mask'] 2024-05-25 11:55:50 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:55:09.301047 End time: 2024-05-25 11:55:50.240584 2024-05-25 11:55:50 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:55:50 INFO tclean::::casa ########################################## 2024-05-25 11:55:50 INFO imstat::::casa ########################################## 2024-05-25 11:55:50 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:55:50 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 ) 2024-05-25 11:55:50 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:55:50 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:55:50 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:55:50 INFO imstat::image::statistics Determining stats for image im_orig.image 2024-05-25 11:55:50 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:55:50 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) 2024-05-25 11:55:50 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:55:50 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:55:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:55:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [2047, 2047, 0, 0] 2024-05-25 11:55:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 20:11:05.220, +38.21.11.967, I, 999980841.3Hz 2024-05-25 11:55:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:47:03.322, +42.54.02.996, I, 999980841.3Hz 2024-05-25 11:55:51 INFO imstat:::: Values --- 2024-05-25 11:55:51 INFO imstat:::: -- flux density [flux]: 5.2713 Jy 2024-05-25 11:55:51 INFO imstat:::: -- number of points [npts]: 4.1943e+06 2024-05-25 11:55:51 INFO imstat:::: -- maximum value [max]: 4.97713 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- minimum value [min]: -0.022671 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- position of max value (pixel) [maxpos]: [1509, 773, 0, 0] 2024-05-25 11:55:51 INFO imstat:::: -- position of min value (pixel) [minpos]: [1708, 965, 0, 0] 2024-05-25 11:55:51 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.302, +40.06.02.372, I, 999980841.3Hz 2024-05-25 11:55:51 INFO imstat:::: -- position of min value (world) [minposf]: 19:51:28.525, +40.31.07.260, I, 999980841.3Hz 2024-05-25 11:55:51 INFO imstat:::: -- Sum of pixel values [sum]: 641.87 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1619.58 Jy/beam.Jy/beam 2024-05-25 11:55:51 INFO imstat:::: Statistics --- 2024-05-25 11:55:51 INFO imstat:::: -- Mean of the pixel values [mean]: 0.000153034 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- Variance of the pixel values : 0.000386116 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0196498 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- Root mean square [rms]: 0.0196504 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- Median of the pixel values [median]: 4.61875e-06 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.003161 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- IQR [quartile]: 0.00632194 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- First quartile [q1]: -0.00315521 Jy/beam 2024-05-25 11:55:51 INFO imstat:::: -- Third quartile [q3]: 0.00316673 Jy/beam 2024-05-25 11:55:51 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:55:51 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:55:51 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:55:51 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:55:51 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:55:51 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:55:51 INFO imstat::ImageStatsCalculator::statistics 4.194304e+06 6.418701e+02 1.530337e-04 1.965042e-02 1.964982e-02 -2.267100e-02 4.977134e+00 2024-05-25 11:55:51 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:55:50.246787 End time: 2024-05-25 11:55:50.593245 2024-05-25 11:55:51 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:55:51 INFO imstat::::casa ########################################## 2024-05-25 11:55:51 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:55:51 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:55:51 INFO ImageRegion::fromRecord+ [1499, 763, 0, 0] to [1519, 783, 0, 0] (19:53:57.382, +40.04.43.647, I, 999980841.3Hz to 19:53:43.216, +40.07.21.070, I, 999980841.3Hz) 2024-05-25 11:55:51 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:55:51 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:55:51 2024****** 2024-05-25 11:55:51 INFO ImageFitter::fit+ 2024-05-25 11:55:51 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:55:51 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_orig.image 2024-05-25 11:55:51 INFO ImageFitter::fit+ --- region: 2024-05-25 11:55:51 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:55:51 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:55:51 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:55:51 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:55:51 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:55:51 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:55:51 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:55:51 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.843, +40.05.23.013 to 19:53:46.759, +40.06.41.724) 2024-05-25 11:55:51 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29832 Jy 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00459192 Jy 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85855 Jy 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00458731 Jy 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ Fit on im_orig.image component 0 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.9885 +/- 0.0032 s (0.0367 arcsec along great circle) 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.0594 +/- 0.0281 arcsec 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- ra: 1509.4535 +/- 0.0046 pixels 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- dec: 772.7181 +/- 0.0035 pixels 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.4778 +/- 0.0014 arcmin 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.2915 +/- 0.0011 arcmin 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.42 +/- 0.26 deg 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.70 arcsec 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.54 arcsec 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- position angle: -89.60 deg 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ Component is a point source 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ An upper limit on its size cannot be determined 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- Integrated: 5.0049 +/- 0.0079 Jy 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- Peak: 5.0102 +/- 0.0046 Jy/beam 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:55:51 INFO ImageFitter::_fitLoop+ --- frequency: 999.9808 MHz (29.97982 cm) 2024-05-25 11:55:51 INFO phaseshift::::casa ########################################## 2024-05-25 11:55:51 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:55:51 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2024-05-25 11:55:51 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:55:51 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:55:51 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:55:51 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:55:51 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:55:51 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:55:51 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:55:51 INFO MSTransformManager::open Select data 2024-05-25 11:55:51 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:55:52 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40d06m00 successfully parsed 2024-05-25 11:55:52 INFO phaseshift::::casa Shift phase center 2024-05-25 11:55:53 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:55:50.699696 End time: 2024-05-25 11:55:53.492651 2024-05-25 11:55:53 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:55:53 INFO phaseshift::::casa ########################################## 2024-05-25 11:55:54 INFO tclean::::casa ########################################## 2024-05-25 11:55:54 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:55:54 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 11:55:54 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:55:54 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:55:54 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:55:54 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:55:54 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:55:54 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:55:54 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:55:54 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:55:54 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:55:54 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:55:54 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:55:55 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:55:55 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.025413 2024-05-25 11:55:55 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:55:55 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:55:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:55:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:55:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:55:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:55:56 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:55:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:55:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:55:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:55:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:55:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:55:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:55:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:55:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:55:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:55:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:55:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:55:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:55:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:55:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:55:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:55:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:55:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:56:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:56:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 11:56:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:56:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:56:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:56:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:56:01 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:56:01 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:56:01 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:56:04 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:56:05 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:56:05 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:55:53.561986 End time: 2024-05-25 11:56:05.312358 2024-05-25 11:56:05 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:56:05 INFO tclean::::casa ########################################## 2024-05-25 11:56:05 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:56:05 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:05 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) 2024-05-25 11:56:05 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:56:05 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:56:05 2024****** 2024-05-25 11:56:05 INFO ImageFitter::fit+ 2024-05-25 11:56:05 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:56:05 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:56:05 INFO ImageFitter::fit+ --- region: 2024-05-25 11:56:05 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:56:05 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:56:05 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:56:05 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:56:05 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:56:05 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:56:05 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:05 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) 2024-05-25 11:56:05 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:56:05 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:56:05 INFO imstat::::casa ########################################## 2024-05-25 11:56:05 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:56:05 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 ) 2024-05-25 11:56:05 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:56:05 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:56:05 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:56:05 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:56:05 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:05 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) 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:56:05 INFO imstat:::: Values --- 2024-05-25 11:56:05 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:56:05 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:56:05 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:56:05 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:56:05 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:56:05 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 11:56:05 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:56:05 INFO imstat:::: Statistics --- 2024-05-25 11:56:05 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-05-25 11:56:05 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:56:05 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2024-05-25 11:56:05 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:56:05.360706 End time: 2024-05-25 11:56:05.396017 2024-05-25 11:56:05 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:56:05 INFO imstat::::casa ########################################## 2024-05-25 11:56:05 INFO phaseshift::::casa ########################################## 2024-05-25 11:56:05 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:56:05 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 02:40:24.0000' ) 2024-05-25 11:56:05 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:56:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:56:05 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:56:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:56:05 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:56:05 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:56:05 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:56:05 INFO MSTransformManager::open Select data 2024-05-25 11:56:05 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 ".". 2024-05-25 11:56:07 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 02:40:24.0000 successfully parsed 2024-05-25 11:56:07 INFO phaseshift::::casa Shift phase center 2024-05-25 11:56:07 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:56:05.423650 End time: 2024-05-25 11:56:07.357261 2024-05-25 11:56:07 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:56:07 INFO phaseshift::::casa ########################################## 2024-05-25 11:56:07 INFO tclean::::casa ########################################## 2024-05-25 11:56:07 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:56:07 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 11:56:07 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:56:07 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:56:07 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:56:08 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:56:08 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:56:08 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:56:08 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:56:08 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:56:08 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:56:08 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:56:08 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:56:08 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:56:08 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028784 2024-05-25 11:56:08 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:56:08 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:56:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:56:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:56:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:56:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:56:11 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:56:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:56:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:56:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:56:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:56:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:56:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:56:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:56:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:56:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:56:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:56:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:56:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:56:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:56:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:56:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:56:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 11:56:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:56:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:56:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:56:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:56:16 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:56:16 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:56:16 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:56:17 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:56:17 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:56:17 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:56:07.429020 End time: 2024-05-25 11:56:17.471766 2024-05-25 11:56:17 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:56:17 INFO tclean::::casa ########################################## 2024-05-25 11:56:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:56:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:18 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) 2024-05-25 11:56:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:56:18 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:56:18 2024****** 2024-05-25 11:56:18 INFO ImageFitter::fit+ 2024-05-25 11:56:18 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:56:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:56:18 INFO ImageFitter::fit+ --- region: 2024-05-25 11:56:18 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:56:18 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:56:18 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:56:18 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:56:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:56:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:56:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:18 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) 2024-05-25 11:56:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:56:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:56:18 INFO imstat::::casa ########################################## 2024-05-25 11:56:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:56:18 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 ) 2024-05-25 11:56:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:56:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:56:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:56:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:56:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:18 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) 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:56:18 INFO imstat:::: Values --- 2024-05-25 11:56:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:56:18 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:56:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:56:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:56:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:56:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 11:56:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:56:18 INFO imstat:::: Statistics --- 2024-05-25 11:56:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-05-25 11:56:18 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:56:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:56:18 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 2024-05-25 11:56:18 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:56:17.550128 End time: 2024-05-25 11:56:17.590211 2024-05-25 11:56:18 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:56:18 INFO imstat::::casa ########################################## 2024-05-25 11:56:18 INFO phaseshift::::casa ########################################## 2024-05-25 11:56:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:56:18 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.100000000deg' ) 2024-05-25 11:56:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:56:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:56:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:56:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:56:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:56:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:56:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:56:18 INFO MSTransformManager::open Select data 2024-05-25 11:56:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:56:19 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40.100000000deg successfully parsed 2024-05-25 11:56:19 INFO phaseshift::::casa Shift phase center 2024-05-25 11:56:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:56:17.607173 End time: 2024-05-25 11:56:20.159426 2024-05-25 11:56:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:56:20 INFO phaseshift::::casa ########################################## 2024-05-25 11:56:20 INFO tclean::::casa ########################################## 2024-05-25 11:56:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:56:20 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 ) 2024-05-25 11:56:20 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:56:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:56:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:56:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:56:20 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:56:20 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:56:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:56:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:56:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:56:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:56:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:56:21 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:56:21 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026555 2024-05-25 11:56:21 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:56:21 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:56:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:56:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:56:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:56:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:56:22 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:56:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:56:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:56:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:56:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:56:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:56:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:56:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:56:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:56:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:56:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:56:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:56:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:56:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:56:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:56:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:56:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 11:56:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:56:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:56:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:56:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:56:27 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:56:27 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:56:27 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:56:27 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:56:27 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:56:28 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:56:20.226627 End time: 2024-05-25 11:56:28.014756 2024-05-25 11:56:28 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:56:28 INFO tclean::::casa ########################################## 2024-05-25 11:56:28 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:56:28 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:28 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) 2024-05-25 11:56:28 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:56:28 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:56:28 2024****** 2024-05-25 11:56:28 INFO ImageFitter::fit+ 2024-05-25 11:56:28 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:56:28 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:56:28 INFO ImageFitter::fit+ --- region: 2024-05-25 11:56:28 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:56:28 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:56:28 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:56:28 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:56:28 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:56:28 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:56:28 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:28 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) 2024-05-25 11:56:28 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:56:28 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:56:28 INFO imstat::::casa ########################################## 2024-05-25 11:56:28 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:56:28 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 ) 2024-05-25 11:56:28 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:56:28 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:56:28 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:56:28 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:56:28 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:28 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) 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:56:28 INFO imstat:::: Values --- 2024-05-25 11:56:28 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:56:28 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:56:28 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:56:28 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:56:28 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:56:28 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 11:56:28 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:56:28 INFO imstat:::: Statistics --- 2024-05-25 11:56:28 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-05-25 11:56:28 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:56:28 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:56:28 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 2024-05-25 11:56:28 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:56:28.092518 End time: 2024-05-25 11:56:28.119366 2024-05-25 11:56:28 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:56:28 INFO imstat::::casa ########################################## 2024-05-25 11:56:28 INFO phaseshift::::casa ########################################## 2024-05-25 11:56:28 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:56:28 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 0.699877030rad' ) 2024-05-25 11:56:28 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:56:28 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:56:28 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:56:28 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:56:28 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:56:28 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:56:28 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:56:28 INFO MSTransformManager::open Select data 2024-05-25 11:56:28 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:56:30 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 0.699877030rad successfully parsed 2024-05-25 11:56:30 INFO phaseshift::::casa Shift phase center 2024-05-25 11:56:31 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:56:28.137424 End time: 2024-05-25 11:56:30.954886 2024-05-25 11:56:31 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:56:31 INFO phaseshift::::casa ########################################## 2024-05-25 11:56:31 INFO tclean::::casa ########################################## 2024-05-25 11:56:31 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:56:31 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 ) 2024-05-25 11:56:31 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:56:31 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:56:31 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:56:31 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:56:31 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:56:31 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:56:31 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:56:31 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:56:31 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:56:31 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:56:31 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:56:33 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:56:33 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.020189 2024-05-25 11:56:33 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:56:33 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:56:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:56:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:56:36 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:56:36 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:56:36 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:56:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:56:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:56:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:56:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:56:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:56:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:56:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:56:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:56:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:56:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:56:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:56:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:56:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:56:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:56:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:56:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 11:56:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:56:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:56:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:56:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:56:42 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:56:42 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:56:42 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:56:43 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:56:43 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:56:44 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:56:31.018706 End time: 2024-05-25 11:56:43.581516 2024-05-25 11:56:44 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:56:44 INFO tclean::::casa ########################################## 2024-05-25 11:56:44 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:56:44 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:44 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 11:56:44 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:56:44 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:56:44 2024****** 2024-05-25 11:56:44 INFO ImageFitter::fit+ 2024-05-25 11:56:44 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:56:44 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:56:44 INFO ImageFitter::fit+ --- region: 2024-05-25 11:56:44 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:56:44 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:56:44 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:56:44 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:56:44 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:56:44 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:56:44 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:44 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 11:56:44 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:56:44 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:56:44 INFO imstat::::casa ########################################## 2024-05-25 11:56:44 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:56:44 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:56:44 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:56:44 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:56:44 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:56:44 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:56:44 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:44 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:56:44 INFO imstat:::: Values --- 2024-05-25 11:56:44 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:56:44 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:56:44 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- minimum value [min]: -7.77764e-05 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:56:44 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 11:56:44 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:56:44 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 11:56:44 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:56:44 INFO imstat:::: Statistics --- 2024-05-25 11:56:44 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- Median of the pixel values [median]: -1.86664e-05 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- IQR [quartile]: 3.56255e-05 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- First quartile [q1]: -3.45078e-05 Jy/beam 2024-05-25 11:56:44 INFO imstat:::: -- Third quartile [q3]: 1.11764e-06 Jy/beam 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:56:44 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:56:44 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 2024-05-25 11:56:44 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:56:43.668385 End time: 2024-05-25 11:56:43.712975 2024-05-25 11:56:44 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:56:44 INFO imstat::::casa ########################################## 2024-05-25 11:56:44 INFO phaseshift::::casa ########################################## 2024-05-25 11:56:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:56:44 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40d06m00' ) 2024-05-25 11:56:44 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:56:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:56:44 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:56:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:56:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:56:44 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:56:44 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:56:44 INFO MSTransformManager::open Select data 2024-05-25 11:56:44 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:56:47 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19:53:50.0000 40d06m00 successfully parsed 2024-05-25 11:56:47 INFO phaseshift::::casa Shift phase center 2024-05-25 11:56:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:56:43.730538 End time: 2024-05-25 11:56:47.676137 2024-05-25 11:56:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:56:48 INFO phaseshift::::casa ########################################## 2024-05-25 11:56:48 INFO tclean::::casa ########################################## 2024-05-25 11:56:48 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:56:48 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 ) 2024-05-25 11:56:48 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:56:48 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:56:48 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:56:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:56:48 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:56:48 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:56:48 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:56:48 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:56:48 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:56:48 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:56:48 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:56:49 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:56:49 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026927 2024-05-25 11:56:49 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:56:49 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:56:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:56:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:56:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:56:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:56:51 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:56:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:56:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:56:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:56:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:56:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:56:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:56:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:56:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:56:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:56:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:56:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:56:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:56:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:56:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:56:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:56:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:56:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 11:56:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:56:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:56:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:56:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:56:56 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:56:56 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:56:56 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:56:56 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:56:56 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:56:57 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:56:47.743387 End time: 2024-05-25 11:56:57.101507 2024-05-25 11:56:57 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:56:57 INFO tclean::::casa ########################################## 2024-05-25 11:56:57 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:56:57 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:57 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 11:56:57 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:56:57 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:56:57 2024****** 2024-05-25 11:56:57 INFO ImageFitter::fit+ 2024-05-25 11:56:57 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:56:57 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:56:57 INFO ImageFitter::fit+ --- region: 2024-05-25 11:56:57 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:56:57 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:56:57 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:56:57 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:56:57 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:56:57 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:56:57 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:57 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 11:56:57 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:56:57 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:56:57 INFO imstat::::casa ########################################## 2024-05-25 11:56:57 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:56:57 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:56:57 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:56:57 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:56:57 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:56:57 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:56:57 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:56:57 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:56:57 INFO imstat:::: Values --- 2024-05-25 11:56:57 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:56:57 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:56:57 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:56:57 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:56:57 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:56:57 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 11:56:57 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:56:57 INFO imstat:::: Statistics --- 2024-05-25 11:56:57 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-05-25 11:56:57 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:56:57 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2024-05-25 11:56:57 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:56:57.172134 End time: 2024-05-25 11:56:57.197065 2024-05-25 11:56:57 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:56:57 INFO imstat::::casa ########################################## 2024-05-25 11:56:57 INFO phaseshift::::casa ########################################## 2024-05-25 11:56:57 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:56:57 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 02:40:24.0000' ) 2024-05-25 11:56:57 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:56:57 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:56:57 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:56:57 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:56:57 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:56:57 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:56:57 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:56:57 INFO MSTransformManager::open Select data 2024-05-25 11:56:57 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 ".". 2024-05-25 11:56:59 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19:53:50.0000 02:40:24.0000 successfully parsed 2024-05-25 11:56:59 INFO phaseshift::::casa Shift phase center 2024-05-25 11:57:01 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:56:57.213841 End time: 2024-05-25 11:57:00.596325 2024-05-25 11:57:01 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:57:01 INFO phaseshift::::casa ########################################## 2024-05-25 11:57:01 INFO tclean::::casa ########################################## 2024-05-25 11:57:01 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:57:01 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 ) 2024-05-25 11:57:01 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:57:01 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:57:01 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:57:01 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:57:01 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:57:01 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:57:01 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:57:01 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:57:01 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:57:01 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:57:01 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:57:02 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:57:02 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.02673 2024-05-25 11:57:02 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:57:02 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:57:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:57:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:57:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:57:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:57:04 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:57:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:57:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:57:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:57:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:57:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:57:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:57:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:57:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:57:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:57:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:57:07 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:57:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:57:07 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:57:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:57:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:57:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 11:57:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:57:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:57:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:57:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:57:09 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:57:09 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:57:09 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:57:10 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:57:10 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:57:12 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:57:00.655372 End time: 2024-05-25 11:57:11.883076 2024-05-25 11:57:12 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:57:12 INFO tclean::::casa ########################################## 2024-05-25 11:57:12 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:57:12 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:12 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 11:57:12 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:57:12 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:57:12 2024****** 2024-05-25 11:57:12 INFO ImageFitter::fit+ 2024-05-25 11:57:12 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:57:12 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:57:12 INFO ImageFitter::fit+ --- region: 2024-05-25 11:57:12 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:57:12 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:57:12 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:57:12 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:57:12 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:57:12 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:57:12 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:12 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 11:57:12 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:57:12 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:57:12 INFO imstat::::casa ########################################## 2024-05-25 11:57:12 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:57:12 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:57:12 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:57:12 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:57:12 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:57:12 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:57:12 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:12 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:57:12 INFO imstat:::: Values --- 2024-05-25 11:57:12 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:57:12 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:57:12 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:57:12 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:57:12 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:57:12 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 11:57:12 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:57:12 INFO imstat:::: Statistics --- 2024-05-25 11:57:12 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-05-25 11:57:12 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:57:12 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2024-05-25 11:57:12 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:57:11.962660 End time: 2024-05-25 11:57:11.990230 2024-05-25 11:57:12 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:57:12 INFO imstat::::casa ########################################## 2024-05-25 11:57:12 INFO phaseshift::::casa ########################################## 2024-05-25 11:57:12 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:57:12 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40.100000000deg' ) 2024-05-25 11:57:12 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:57:12 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:57:12 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:57:12 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:57:12 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:57:12 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:57:12 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:57:12 INFO MSTransformManager::open Select data 2024-05-25 11:57:12 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:57:14 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19:53:50.0000 40.100000000deg successfully parsed 2024-05-25 11:57:14 INFO phaseshift::::casa Shift phase center 2024-05-25 11:57:16 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:57:12.008283 End time: 2024-05-25 11:57:15.508444 2024-05-25 11:57:16 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:57:16 INFO phaseshift::::casa ########################################## 2024-05-25 11:57:16 INFO tclean::::casa ########################################## 2024-05-25 11:57:16 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:57:16 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 ) 2024-05-25 11:57:16 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:57:16 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:57:16 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:57:16 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:57:16 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:57:16 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:57:16 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:57:16 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:57:16 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:57:16 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:57:16 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:57:16 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:57:17 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026926 2024-05-25 11:57:17 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:57:17 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:57:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:57:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:57:18 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:57:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:57:19 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:57:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:57:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:57:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:57:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:57:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:57:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:57:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:57:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:57:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:57:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:57:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:57:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:57:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:57:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:57:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:57:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 11:57:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:57:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:57:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:57:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:57:24 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:57:24 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:57:24 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:57:24 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:57:24 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:57:25 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:57:15.574903 End time: 2024-05-25 11:57:24.949772 2024-05-25 11:57:25 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:57:25 INFO tclean::::casa ########################################## 2024-05-25 11:57:25 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:57:25 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:25 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 11:57:25 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:57:25 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:57:25 2024****** 2024-05-25 11:57:25 INFO ImageFitter::fit+ 2024-05-25 11:57:25 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:57:25 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:57:25 INFO ImageFitter::fit+ --- region: 2024-05-25 11:57:25 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:57:25 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:57:25 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:57:25 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:57:25 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:57:25 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:57:25 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:25 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 11:57:25 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:57:25 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:57:25 INFO imstat::::casa ########################################## 2024-05-25 11:57:25 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:57:25 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:57:25 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:57:25 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:57:25 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:57:25 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:57:25 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:25 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:57:25 INFO imstat:::: Values --- 2024-05-25 11:57:25 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:57:25 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:57:25 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:57:25 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:57:25 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:57:25 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 11:57:25 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:57:25 INFO imstat:::: Statistics --- 2024-05-25 11:57:25 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-05-25 11:57:25 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:57:25 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:57:25 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 2024-05-25 11:57:25 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:57:25.028820 End time: 2024-05-25 11:57:25.059829 2024-05-25 11:57:25 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:57:25 INFO imstat::::casa ########################################## 2024-05-25 11:57:25 INFO phaseshift::::casa ########################################## 2024-05-25 11:57:25 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:57:25 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 0.699877030rad' ) 2024-05-25 11:57:25 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:57:25 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:57:25 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:57:25 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:57:25 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:57:25 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:57:25 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:57:25 INFO MSTransformManager::open Select data 2024-05-25 11:57:25 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:57:27 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19:53:50.0000 0.699877030rad successfully parsed 2024-05-25 11:57:27 INFO phaseshift::::casa Shift phase center 2024-05-25 11:57:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:57:25.077207 End time: 2024-05-25 11:57:27.845349 2024-05-25 11:57:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:57:28 INFO phaseshift::::casa ########################################## 2024-05-25 11:57:28 INFO tclean::::casa ########################################## 2024-05-25 11:57:28 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:57:28 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 ) 2024-05-25 11:57:28 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:57:28 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:57:28 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:57:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:57:28 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:57:28 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:57:28 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:57:28 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:57:28 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:57:28 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:57:28 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:57:29 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:57:29 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.025353 2024-05-25 11:57:29 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:57:29 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:57:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:57:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:57:30 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:57:30 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:57:30 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:57:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:57:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:57:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:57:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:57:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:57:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:57:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:57:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:57:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:57:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:57:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:57:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:57:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:57:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:57:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:57:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 11:57:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:57:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:57:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:57:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:57:34 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:57:34 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:57:34 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:57:34 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:57:35 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:57:35 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:57:27.916164 End time: 2024-05-25 11:57:35.374515 2024-05-25 11:57:35 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:57:35 INFO tclean::::casa ########################################## 2024-05-25 11:57:35 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:57:35 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:35 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 11:57:35 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:57:35 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:57:35 2024****** 2024-05-25 11:57:35 INFO ImageFitter::fit+ 2024-05-25 11:57:35 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:57:35 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:57:35 INFO ImageFitter::fit+ --- region: 2024-05-25 11:57:35 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:57:35 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:57:35 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:57:35 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:57:35 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:57:35 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:57:35 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:35 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 11:57:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:57:35 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:57:35 INFO imstat::::casa ########################################## 2024-05-25 11:57:35 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:57:35 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:57:35 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:57:35 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:57:35 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:57:35 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:57:35 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:35 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:57:35 INFO imstat:::: Values --- 2024-05-25 11:57:35 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:57:35 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:57:35 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- minimum value [min]: -7.77764e-05 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:57:35 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 11:57:35 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:57:35 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 11:57:35 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:57:35 INFO imstat:::: Statistics --- 2024-05-25 11:57:35 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- Median of the pixel values [median]: -1.86664e-05 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- IQR [quartile]: 3.56255e-05 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- First quartile [q1]: -3.45078e-05 Jy/beam 2024-05-25 11:57:35 INFO imstat:::: -- Third quartile [q3]: 1.11764e-06 Jy/beam 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:57:35 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:57:35 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 2024-05-25 11:57:35 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:57:35.456965 End time: 2024-05-25 11:57:35.486266 2024-05-25 11:57:35 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:57:35 INFO imstat::::casa ########################################## 2024-05-25 11:57:36 INFO phaseshift::::casa ########################################## 2024-05-25 11:57:36 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:57:36 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 298.458333333deg 40d06m00' ) 2024-05-25 11:57:36 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:57:36 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:57:36 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:57:36 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:57:36 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:57:36 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:57:36 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:57:36 INFO MSTransformManager::open Select data 2024-05-25 11:57:36 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:57:38 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 298.458333333deg 40d06m00 successfully parsed 2024-05-25 11:57:38 INFO phaseshift::::casa Shift phase center 2024-05-25 11:57:38 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:57:35.505184 End time: 2024-05-25 11:57:38.454867 2024-05-25 11:57:38 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:57:38 INFO phaseshift::::casa ########################################## 2024-05-25 11:57:39 INFO tclean::::casa ########################################## 2024-05-25 11:57:39 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:57:39 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 ) 2024-05-25 11:57:39 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:57:39 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:57:39 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:57:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:57:39 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:57:39 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:57:39 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:57:39 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:57:39 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:57:39 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:57:39 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:57:39 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:57:39 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.024149 2024-05-25 11:57:39 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:57:39 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:57:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:57:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:57:41 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:57:41 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:57:41 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:57:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:57:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:57:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:57:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:57:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:57:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:57:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:57:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:57:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:57:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:57:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:57:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:57:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:57:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:57:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:57:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 11:57:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:57:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:57:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:57:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:57:50 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:57:50 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:57:50 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:57:50 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:57:50 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:57:51 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:57:38.529040 End time: 2024-05-25 11:57:51.161405 2024-05-25 11:57:51 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:57:51 INFO tclean::::casa ########################################## 2024-05-25 11:57:51 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:57:51 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:51 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 11:57:51 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:57:51 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:57:51 2024****** 2024-05-25 11:57:51 INFO ImageFitter::fit+ 2024-05-25 11:57:51 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:57:51 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:57:51 INFO ImageFitter::fit+ --- region: 2024-05-25 11:57:51 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:57:51 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:57:51 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:57:51 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:57:51 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:57:51 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:57:51 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:51 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 11:57:51 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:57:51 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:57:51 INFO imstat::::casa ########################################## 2024-05-25 11:57:51 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:57:51 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:57:51 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:57:51 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:57:51 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:57:51 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:57:51 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:57:51 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) 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:57:51 INFO imstat:::: Values --- 2024-05-25 11:57:51 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:57:51 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:57:51 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:57:51 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:57:51 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:57:51 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 11:57:51 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:57:51 INFO imstat:::: Statistics --- 2024-05-25 11:57:51 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2024-05-25 11:57:51 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:57:51 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:57:51 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 2024-05-25 11:57:51 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:57:51.235092 End time: 2024-05-25 11:57:51.264097 2024-05-25 11:57:51 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:57:51 INFO imstat::::casa ########################################## 2024-05-25 11:57:51 INFO phaseshift::::casa ########################################## 2024-05-25 11:57:51 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:57:51 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 02:40:24.0000' ) 2024-05-25 11:57:51 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:57:51 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:57:51 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:57:51 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:57:51 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:57:51 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:57:51 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:57:51 INFO MSTransformManager::open Select data 2024-05-25 11:57:51 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 ".". 2024-05-25 11:57:54 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 298.458333333deg 02:40:24.0000 successfully parsed 2024-05-25 11:57:54 INFO phaseshift::::casa Shift phase center 2024-05-25 11:57:55 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:57:51.287323 End time: 2024-05-25 11:57:54.688543 2024-05-25 11:57:55 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:57:55 INFO phaseshift::::casa ########################################## 2024-05-25 11:57:55 INFO tclean::::casa ########################################## 2024-05-25 11:57:55 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:57:55 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 ) 2024-05-25 11:57:55 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:57:55 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:57:55 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:57:55 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:57:55 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:57:55 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:57:55 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:57:55 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:57:55 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:57:55 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:57:55 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:57:56 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:57:56 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.023152 2024-05-25 11:57:56 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:57:56 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:57:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:57:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:57:57 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:57:57 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:57:57 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:57:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:57:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:57:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:57:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:57:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:57:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:57:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:57:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:57:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:57:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:57:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:57:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:58:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:58:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:58:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:58:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:58:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 11:58:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:58:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:58:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:58:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:58:01 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:58:01 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:58:01 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:58:01 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:58:02 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:58:02 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:57:54.749510 End time: 2024-05-25 11:58:02.482102 2024-05-25 11:58:02 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:58:02 INFO tclean::::casa ########################################## 2024-05-25 11:58:03 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:58:03 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:03 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) 2024-05-25 11:58:03 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:58:03 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:58:03 2024****** 2024-05-25 11:58:03 INFO ImageFitter::fit+ 2024-05-25 11:58:03 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:58:03 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:58:03 INFO ImageFitter::fit+ --- region: 2024-05-25 11:58:03 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:58:03 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:58:03 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:58:03 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:58:03 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:58:03 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:58:03 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:03 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) 2024-05-25 11:58:03 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:58:03 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:58:03 INFO imstat::::casa ########################################## 2024-05-25 11:58:03 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:58:03 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 ) 2024-05-25 11:58:03 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:58:03 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:58:03 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:58:03 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:58:03 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:03 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) 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:58:03 INFO imstat:::: Values --- 2024-05-25 11:58:03 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:58:03 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:58:03 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:58:03 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:58:03 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:58:03 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 11:58:03 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:58:03 INFO imstat:::: Statistics --- 2024-05-25 11:58:03 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2024-05-25 11:58:03 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:58:03 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:58:03 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 2024-05-25 11:58:03 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:58:02.546913 End time: 2024-05-25 11:58:02.579500 2024-05-25 11:58:03 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:58:03 INFO imstat::::casa ########################################## 2024-05-25 11:58:03 INFO phaseshift::::casa ########################################## 2024-05-25 11:58:03 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:58:03 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40.100000000deg' ) 2024-05-25 11:58:03 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:58:03 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:58:03 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:58:03 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:58:03 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:58:03 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:58:03 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:58:03 INFO MSTransformManager::open Select data 2024-05-25 11:58:03 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:58:05 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 298.458333333deg 40.100000000deg successfully parsed 2024-05-25 11:58:05 INFO phaseshift::::casa Shift phase center 2024-05-25 11:58:05 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:58:02.593919 End time: 2024-05-25 11:58:05.337773 2024-05-25 11:58:05 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:58:05 INFO phaseshift::::casa ########################################## 2024-05-25 11:58:05 INFO tclean::::casa ########################################## 2024-05-25 11:58:05 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:58:05 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 11:58:05 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:58:05 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:58:05 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:58:06 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:58:06 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:58:06 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:58:06 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:58:06 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:58:06 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:58:06 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:58:06 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:58:06 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:58:06 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026196 2024-05-25 11:58:06 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:58:06 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:58:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:58:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:58:07 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:58:07 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:58:07 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:58:07 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:58:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:58:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:58:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:58:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:58:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:58:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:58:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:58:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:58:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:58:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:58:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:58:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:58:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:58:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:58:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 11:58:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:58:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:58:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:58:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:58:13 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:58:13 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:58:13 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:58:13 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:58:13 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:58:14 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:58:05.404938 End time: 2024-05-25 11:58:14.128911 2024-05-25 11:58:14 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:58:14 INFO tclean::::casa ########################################## 2024-05-25 11:58:14 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:58:14 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:14 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) 2024-05-25 11:58:14 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:58:14 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:58:14 2024****** 2024-05-25 11:58:14 INFO ImageFitter::fit+ 2024-05-25 11:58:14 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:58:14 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:58:14 INFO ImageFitter::fit+ --- region: 2024-05-25 11:58:14 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:58:14 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:58:14 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:58:14 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:58:14 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:58:14 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:58:14 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:14 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) 2024-05-25 11:58:14 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:58:14 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:58:14 INFO imstat::::casa ########################################## 2024-05-25 11:58:14 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:58:14 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 ) 2024-05-25 11:58:14 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:58:14 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:58:14 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:58:14 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:58:14 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:14 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) 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:58:14 INFO imstat:::: Values --- 2024-05-25 11:58:14 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:58:14 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:58:14 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:58:14 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:58:14 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:58:14 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 11:58:14 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:58:14 INFO imstat:::: Statistics --- 2024-05-25 11:58:14 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2024-05-25 11:58:14 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:58:14 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:58:14 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 2024-05-25 11:58:14 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:58:14.198922 End time: 2024-05-25 11:58:14.225141 2024-05-25 11:58:14 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:58:14 INFO imstat::::casa ########################################## 2024-05-25 11:58:14 INFO phaseshift::::casa ########################################## 2024-05-25 11:58:14 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:58:14 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 0.699877030rad' ) 2024-05-25 11:58:14 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:58:14 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:58:14 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:58:14 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:58:14 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:58:14 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:58:14 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:58:14 INFO MSTransformManager::open Select data 2024-05-25 11:58:14 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:58:16 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 298.458333333deg 0.699877030rad successfully parsed 2024-05-25 11:58:16 INFO phaseshift::::casa Shift phase center 2024-05-25 11:58:19 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:58:14.242388 End time: 2024-05-25 11:58:19.373954 2024-05-25 11:58:19 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:58:19 INFO phaseshift::::casa ########################################## 2024-05-25 11:58:19 INFO tclean::::casa ########################################## 2024-05-25 11:58:19 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:58:19 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 11:58:19 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:58:19 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:58:19 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:58:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:58:20 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:58:20 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:58:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:58:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:58:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:58:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:58:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:58:20 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:58:20 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.024913 2024-05-25 11:58:20 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:58:20 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:58:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:58:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:58:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:58:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:58:22 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:58:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:58:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:58:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:58:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:58:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:58:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:58:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:58:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:58:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:58:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:58:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:58:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:58:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:58:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:58:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:58:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 11:58:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:58:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:58:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:58:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:58:26 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:58:26 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:58:26 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:58:27 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:58:27 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:58:28 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:58:19.441076 End time: 2024-05-25 11:58:27.611394 2024-05-25 11:58:28 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:58:28 INFO tclean::::casa ########################################## 2024-05-25 11:58:28 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:58:28 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:28 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) 2024-05-25 11:58:28 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:58:28 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:58:28 2024****** 2024-05-25 11:58:28 INFO ImageFitter::fit+ 2024-05-25 11:58:28 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:58:28 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:58:28 INFO ImageFitter::fit+ --- region: 2024-05-25 11:58:28 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:58:28 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:58:28 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:58:28 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:58:28 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:58:28 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:58:28 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:28 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) 2024-05-25 11:58:28 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126487 Jy 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:58:28 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:58:28 INFO imstat::::casa ########################################## 2024-05-25 11:58:28 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:58:28 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 ) 2024-05-25 11:58:28 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:58:28 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:58:28 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:58:28 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:58:28 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:28 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) 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:58:28 INFO imstat:::: Values --- 2024-05-25 11:58:28 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:58:28 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:58:28 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- minimum value [min]: -7.77738e-05 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:58:28 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:58:28 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:58:28 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 11:58:28 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:58:28 INFO imstat:::: Statistics --- 2024-05-25 11:58:28 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- Median of the pixel values [median]: -1.86662e-05 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73577e-05 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- IQR [quartile]: 3.56242e-05 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2024-05-25 11:58:28 INFO imstat:::: -- Third quartile [q3]: 1.11673e-06 Jy/beam 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:58:28 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:58:28 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 2024-05-25 11:58:28 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:58:27.670902 End time: 2024-05-25 11:58:27.692338 2024-05-25 11:58:28 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:58:28 INFO imstat::::casa ########################################## 2024-05-25 11:58:28 INFO phaseshift::::casa ########################################## 2024-05-25 11:58:28 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:58:28 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40d06m00' ) 2024-05-25 11:58:28 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:58:28 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:58:28 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:58:28 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:58:28 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:58:28 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:58:28 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:58:28 INFO MSTransformManager::open Select data 2024-05-25 11:58:28 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:58:31 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 5.209080597rad 40d06m00 successfully parsed 2024-05-25 11:58:31 INFO phaseshift::::casa Shift phase center 2024-05-25 11:58:33 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:58:27.708561 End time: 2024-05-25 11:58:33.109817 2024-05-25 11:58:33 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:58:33 INFO phaseshift::::casa ########################################## 2024-05-25 11:58:33 INFO tclean::::casa ########################################## 2024-05-25 11:58:33 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:58:33 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 ) 2024-05-25 11:58:33 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:58:33 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:58:33 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:58:33 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:58:33 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:58:33 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:58:33 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:58:33 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:58:33 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:58:33 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:58:33 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:58:35 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:58:36 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019272 2024-05-25 11:58:36 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:58:36 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:58:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:58:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:58:37 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:58:37 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:58:37 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:58:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:58:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:58:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:58:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:58:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:58:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:58:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:58:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:58:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:58:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:58:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:58:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:58:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:58:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:58:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:58:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 11:58:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:58:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:58:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:58:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:58:42 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:58:42 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:58:42 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:58:42 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:58:42 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:58:44 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:58:33.180947 End time: 2024-05-25 11:58:44.225565 2024-05-25 11:58:44 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:58:44 INFO tclean::::casa ########################################## 2024-05-25 11:58:44 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:58:44 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:44 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 11:58:44 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:58:44 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:58:44 2024****** 2024-05-25 11:58:44 INFO ImageFitter::fit+ 2024-05-25 11:58:44 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:58:44 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:58:44 INFO ImageFitter::fit+ --- region: 2024-05-25 11:58:44 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:58:44 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:58:44 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:58:44 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:58:44 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:58:44 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:58:44 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:44 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 11:58:44 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:58:44 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:58:44 INFO imstat::::casa ########################################## 2024-05-25 11:58:44 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:58:44 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:58:44 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:58:44 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:58:44 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:58:44 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:58:44 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:58:44 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:58:44 INFO imstat:::: Values --- 2024-05-25 11:58:44 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:58:44 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:58:44 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:58:44 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 11:58:44 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:58:44 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 11:58:44 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:58:44 INFO imstat:::: Statistics --- 2024-05-25 11:58:44 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2024-05-25 11:58:44 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:58:44 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:58:44 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 2024-05-25 11:58:44 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:58:44.314628 End time: 2024-05-25 11:58:44.345018 2024-05-25 11:58:44 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:58:44 INFO imstat::::casa ########################################## 2024-05-25 11:58:44 INFO phaseshift::::casa ########################################## 2024-05-25 11:58:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:58:44 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 02:40:24.0000' ) 2024-05-25 11:58:44 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:58:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:58:44 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:58:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:58:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:58:44 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:58:44 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:58:44 INFO MSTransformManager::open Select data 2024-05-25 11:58:44 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 ".". 2024-05-25 11:58:46 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 5.209080597rad 02:40:24.0000 successfully parsed 2024-05-25 11:58:46 INFO phaseshift::::casa Shift phase center 2024-05-25 11:58:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:58:44.366062 End time: 2024-05-25 11:58:46.468819 2024-05-25 11:58:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:58:46 INFO phaseshift::::casa ########################################## 2024-05-25 11:58:47 INFO tclean::::casa ########################################## 2024-05-25 11:58:47 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:58:47 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 ) 2024-05-25 11:58:47 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:58:47 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:58:47 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:58:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:58:47 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:58:47 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:58:47 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:58:47 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:58:47 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:58:47 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:58:47 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:58:47 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:58:48 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028362 2024-05-25 11:58:48 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:58:48 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:58:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:58:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:58:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:58:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:58:52 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:58:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:58:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:58:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:58:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:58:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:58:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:58:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:58:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:58:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:58:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:58:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:58:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:58:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:58:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:58:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:58:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:58:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 11:58:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:58:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:58:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:58:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:58:58 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:58:58 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:58:58 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:58:59 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:58:59 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:59:00 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:58:46.528714 End time: 2024-05-25 11:58:59.933880 2024-05-25 11:59:00 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:59:00 INFO tclean::::casa ########################################## 2024-05-25 11:59:00 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:59:00 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:00 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) 2024-05-25 11:59:00 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:59:00 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:59:00 2024****** 2024-05-25 11:59:00 INFO ImageFitter::fit+ 2024-05-25 11:59:00 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:59:00 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:59:00 INFO ImageFitter::fit+ --- region: 2024-05-25 11:59:00 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:59:00 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:59:00 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:59:00 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:59:00 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:59:00 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:59:00 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:00 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) 2024-05-25 11:59:00 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:59:00 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:59:00 INFO imstat::::casa ########################################## 2024-05-25 11:59:00 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:59:00 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:59:00 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:59:00 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:59:00 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:59:00 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:59:00 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:00 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:59:00 INFO imstat:::: Values --- 2024-05-25 11:59:00 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:59:00 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:59:00 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:59:00 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 11:59:00 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:59:00 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 11:59:00 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:59:00 INFO imstat:::: Statistics --- 2024-05-25 11:59:00 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2024-05-25 11:59:00 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:59:00 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778010e-05 4.999996e+00 2024-05-25 11:59:00 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:59:00.017565 End time: 2024-05-25 11:59:00.058954 2024-05-25 11:59:00 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:59:00 INFO imstat::::casa ########################################## 2024-05-25 11:59:00 INFO phaseshift::::casa ########################################## 2024-05-25 11:59:00 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:59:00 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40.100000000deg' ) 2024-05-25 11:59:00 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:59:00 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:59:00 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:59:00 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:59:00 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:59:00 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:59:00 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:59:00 INFO MSTransformManager::open Select data 2024-05-25 11:59:00 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:59:02 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 5.209080597rad 40.100000000deg successfully parsed 2024-05-25 11:59:02 INFO phaseshift::::casa Shift phase center 2024-05-25 11:59:03 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:59:00.076065 End time: 2024-05-25 11:59:02.834244 2024-05-25 11:59:03 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:59:03 INFO phaseshift::::casa ########################################## 2024-05-25 11:59:03 INFO tclean::::casa ########################################## 2024-05-25 11:59:03 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:59:03 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 ) 2024-05-25 11:59:03 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:59:03 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:59:03 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:59:03 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:59:03 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:59:03 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:59:03 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:59:03 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:59:03 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:59:03 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:59:03 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:59:04 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:59:04 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026708 2024-05-25 11:59:04 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:59:04 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:59:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:59:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:59:05 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:59:05 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:59:05 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:59:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:59:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:59:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:59:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:59:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:59:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:59:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:59:07 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:59:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:59:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:59:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:59:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:59:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:59:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:59:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:59:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 11:59:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:59:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:59:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:59:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:59:11 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:59:11 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:59:11 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:59:12 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:59:12 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:59:13 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:59:02.905403 End time: 2024-05-25 11:59:13.367939 2024-05-25 11:59:13 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:59:13 INFO tclean::::casa ########################################## 2024-05-25 11:59:13 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:59:13 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:13 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) 2024-05-25 11:59:13 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:59:13 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:59:13 2024****** 2024-05-25 11:59:13 INFO ImageFitter::fit+ 2024-05-25 11:59:13 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:59:13 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:59:13 INFO ImageFitter::fit+ --- region: 2024-05-25 11:59:13 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:59:13 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:59:13 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:59:13 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:59:13 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:59:13 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:59:13 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:13 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) 2024-05-25 11:59:13 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:59:13 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:59:13 INFO imstat::::casa ########################################## 2024-05-25 11:59:13 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:59:13 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 ) 2024-05-25 11:59:13 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:59:13 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:59:13 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:59:13 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:59:13 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:13 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) 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:59:13 INFO imstat:::: Values --- 2024-05-25 11:59:13 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:59:13 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:59:13 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:59:13 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 11:59:13 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:59:13 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 11:59:13 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:59:13 INFO imstat:::: Statistics --- 2024-05-25 11:59:13 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2024-05-25 11:59:13 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:59:13 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:59:13 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 2024-05-25 11:59:13 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:59:13.458556 End time: 2024-05-25 11:59:13.486856 2024-05-25 11:59:13 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:59:13 INFO imstat::::casa ########################################## 2024-05-25 11:59:14 INFO phaseshift::::casa ########################################## 2024-05-25 11:59:14 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:59:14 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 0.699877030rad' ) 2024-05-25 11:59:14 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:59:14 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:59:14 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:59:14 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:59:14 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:59:14 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:59:14 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:59:14 INFO MSTransformManager::open Select data 2024-05-25 11:59:14 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:59:15 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 5.209080597rad 0.699877030rad successfully parsed 2024-05-25 11:59:15 INFO phaseshift::::casa Shift phase center 2024-05-25 11:59:16 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:59:13.504531 End time: 2024-05-25 11:59:16.058222 2024-05-25 11:59:16 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:59:16 INFO phaseshift::::casa ########################################## 2024-05-25 11:59:16 INFO tclean::::casa ########################################## 2024-05-25 11:59:16 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:59:16 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 ) 2024-05-25 11:59:16 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:59:16 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:59:16 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:59:16 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:59:16 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:59:16 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:59:16 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:59:16 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:59:16 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:59:16 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:59:16 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:59:17 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:59:18 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01816 2024-05-25 11:59:18 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:59:18 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:59:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:59:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:59:20 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:59:20 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:59:20 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:59:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:59:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:59:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:59:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:59:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:59:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:59:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:59:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:59:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:59:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:59:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:59:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:59:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:59:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:59:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:59:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 11:59:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:59:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:59:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:59:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:59:33 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:59:33 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:59:33 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:59:34 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:59:34 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:59:35 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:59:16.125649 End time: 2024-05-25 11:59:35.124759 2024-05-25 11:59:35 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:59:35 INFO tclean::::casa ########################################## 2024-05-25 11:59:35 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:59:35 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:35 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 11:59:35 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:59:35 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:59:35 2024****** 2024-05-25 11:59:35 INFO ImageFitter::fit+ 2024-05-25 11:59:35 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:59:35 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:59:35 INFO ImageFitter::fit+ --- region: 2024-05-25 11:59:35 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:59:35 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:59:35 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:59:35 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:59:35 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:59:35 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:59:35 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:35 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 11:59:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:59:35 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:59:35 INFO imstat::::casa ########################################## 2024-05-25 11:59:35 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:59:35 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 11:59:35 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:59:35 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:59:35 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:59:35 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:59:35 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:35 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:59:35 INFO imstat:::: Values --- 2024-05-25 11:59:35 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:59:35 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:59:35 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- minimum value [min]: -7.77793e-05 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:59:35 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 11:59:35 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:59:35 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 11:59:35 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:59:35 INFO imstat:::: Statistics --- 2024-05-25 11:59:35 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- Median of the pixel values [median]: -1.86714e-05 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73592e-05 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- IQR [quartile]: 3.55982e-05 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- First quartile [q1]: -3.45035e-05 Jy/beam 2024-05-25 11:59:35 INFO imstat:::: -- Third quartile [q3]: 1.09469e-06 Jy/beam 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:59:35 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:59:35 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 2024-05-25 11:59:35 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:59:35.197185 End time: 2024-05-25 11:59:35.224070 2024-05-25 11:59:35 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:59:35 INFO imstat::::casa ########################################## 2024-05-25 11:59:35 INFO phaseshift::::casa ########################################## 2024-05-25 11:59:35 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:59:35 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40d06m0.0019' ) 2024-05-25 11:59:35 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:59:35 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:59:35 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:59:35 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:59:35 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:59:35 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:59:35 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:59:35 INFO MSTransformManager::open Select data 2024-05-25 11:59:35 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 11:59:39 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19h53m49.9980 40d06m0.0019 successfully parsed 2024-05-25 11:59:39 INFO phaseshift::::casa Shift phase center 2024-05-25 11:59:40 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:59:35.241958 End time: 2024-05-25 11:59:39.900284 2024-05-25 11:59:40 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:59:40 INFO phaseshift::::casa ########################################## 2024-05-25 11:59:40 INFO tclean::::casa ########################################## 2024-05-25 11:59:40 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:59:40 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 11:59:40 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:59:40 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:59:40 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:59:40 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:59:40 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:59:40 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:59:40 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:59:40 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:59:40 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:59:40 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:59:40 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:59:41 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:59:41 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028577 2024-05-25 11:59:41 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:59:41 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:59:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:59:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:59:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:59:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:59:43 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:59:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:59:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:59:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:59:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:59:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:59:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:59:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:59:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:59:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:59:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:59:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:59:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:59:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:59:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:59:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:59:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 11:59:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:59:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:59:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:59:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:59:48 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:59:48 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:59:48 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 11:59:48 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:59:49 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 11:59:49 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:59:39.970864 End time: 2024-05-25 11:59:49.174583 2024-05-25 11:59:49 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 11:59:49 INFO tclean::::casa ########################################## 2024-05-25 11:59:49 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 11:59:49 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:49 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 11:59:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 11:59:49 INFO ImageFitter::fit ****** Fit performed at Sat May 25 11:59:49 2024****** 2024-05-25 11:59:49 INFO ImageFitter::fit+ 2024-05-25 11:59:49 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 11:59:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 11:59:49 INFO ImageFitter::fit+ --- region: 2024-05-25 11:59:49 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 11:59:49 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 11:59:49 INFO ImageFitter::fit+ --- mask: 2024-05-25 11:59:49 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 11:59:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 11:59:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 11:59:49 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:49 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 11:59:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 11:59:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 11:59:49 INFO imstat::::casa ########################################## 2024-05-25 11:59:49 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 11:59:49 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 ) 2024-05-25 11:59:49 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 11:59:49 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 11:59:49 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 11:59:49 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 11:59:49 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 11:59:49 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) 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 11:59:49 INFO imstat:::: Values --- 2024-05-25 11:59:49 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 11:59:49 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 11:59:49 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 11:59:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 11:59:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 11:59:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 11:59:49 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 11:59:49 INFO imstat:::: Statistics --- 2024-05-25 11:59:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2024-05-25 11:59:49 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 11:59:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 11:59:49 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 2024-05-25 11:59:49 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 11:59:49.249542 End time: 2024-05-25 11:59:49.282061 2024-05-25 11:59:49 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 11:59:49 INFO imstat::::casa ########################################## 2024-05-25 11:59:49 INFO phaseshift::::casa ########################################## 2024-05-25 11:59:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 11:59:49 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 02:40:24.0001' ) 2024-05-25 11:59:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 11:59:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 11:59:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 11:59:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 11:59:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 11:59:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 11:59:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 11:59:49 INFO MSTransformManager::open Select data 2024-05-25 11:59:49 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 ".". 2024-05-25 11:59:51 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19h53m49.9980 02:40:24.0001 successfully parsed 2024-05-25 11:59:51 INFO phaseshift::::casa Shift phase center 2024-05-25 11:59:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 11:59:49.299205 End time: 2024-05-25 11:59:51.370349 2024-05-25 11:59:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 11:59:51 INFO phaseshift::::casa ########################################## 2024-05-25 11:59:51 INFO tclean::::casa ########################################## 2024-05-25 11:59:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 11:59:51 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 ) 2024-05-25 11:59:51 INFO tclean::::casa Verifying Input Parameters 2024-05-25 11:59:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 11:59:51 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 11:59:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 11:59:52 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 11:59:52 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 11:59:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 11:59:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 11:59:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 11:59:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 11:59:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 11:59:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 11:59:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018001 2024-05-25 11:59:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 11:59:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 11:59:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 11:59:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:59:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 11:59:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 11:59:54 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 11:59:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 11:59:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 11:59:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 11:59:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 11:59:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 11:59:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 11:59:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 11:59:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 11:59:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 11:59:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 11:59:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 11:59:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 11:59:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 11:59:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 11:59:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 11:59:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 11:59:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 11:59:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 11:59:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 11:59:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 11:59:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 11:59:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 11:59:59 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 11:59:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:00:00 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:00:00 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:00:01 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 11:59:51.430158 End time: 2024-05-25 12:00:01.155939 2024-05-25 12:00:01 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:00:01 INFO tclean::::casa ########################################## 2024-05-25 12:00:01 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:00:01 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:00:01 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) 2024-05-25 12:00:01 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:00:01 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:00:01 2024****** 2024-05-25 12:00:01 INFO ImageFitter::fit+ 2024-05-25 12:00:01 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:00:01 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:00:01 INFO ImageFitter::fit+ --- region: 2024-05-25 12:00:01 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:00:01 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:00:01 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:00:01 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:00:01 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:00:01 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:00:01 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:00:01 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) 2024-05-25 12:00:01 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:00:01 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:00:01 INFO imstat::::casa ########################################## 2024-05-25 12:00:01 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:00:01 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 ) 2024-05-25 12:00:01 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:00:01 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:00:01 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:00:01 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:00:01 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:00:01 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) 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:00:01 INFO imstat:::: Values --- 2024-05-25 12:00:01 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:00:01 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:00:01 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:00:01 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 12:00:01 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:00:01 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2024-05-25 12:00:01 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:00:01 INFO imstat:::: Statistics --- 2024-05-25 12:00:01 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2024-05-25 12:00:01 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:00:01 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:00:01 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 2024-05-25 12:00:01 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:00:01.214165 End time: 2024-05-25 12:00:01.258270 2024-05-25 12:00:01 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:00:01 INFO imstat::::casa ########################################## 2024-05-25 12:00:01 INFO phaseshift::::casa ########################################## 2024-05-25 12:00:01 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:00:01 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 19h53m49.9980 40.100000528deg' ) 2024-05-25 12:00:01 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:00:01 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:00:01 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:00:01 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:00:01 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:00:01 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:00:01 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:00:01 INFO MSTransformManager::open Select data 2024-05-25 12:00:01 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:00:04 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19h53m49.9980 40.100000528deg successfully parsed 2024-05-25 12:00:04 INFO phaseshift::::casa Shift phase center 2024-05-25 12:00:07 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:00:01.282327 End time: 2024-05-25 12:00:06.612339 2024-05-25 12:00:07 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:00:07 INFO phaseshift::::casa ########################################## 2024-05-25 12:00:07 INFO tclean::::casa ########################################## 2024-05-25 12:00:07 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:00:07 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:00:07 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:00:07 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:00:07 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:00:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:00:07 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:00:07 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:00:07 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:00:07 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:00:07 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:00:07 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:00:07 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:00:08 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:00:08 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029146 2024-05-25 12:00:08 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:00:08 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:00:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:00:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:00:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:00:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:00:11 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:00:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:00:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:00:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:00:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:00:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:00:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:00:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:00:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:00:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:00:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:00:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:00:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:00:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:00:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:00:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:00:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:00:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:00:20 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:00:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:00:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:00:21 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:00:21 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:00:21 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:00:22 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:00:23 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:00:24 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:00:06.677294 End time: 2024-05-25 12:00:23.914414 2024-05-25 12:00:24 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:00:24 INFO tclean::::casa ########################################## 2024-05-25 12:00:24 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:00:24 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:00:24 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) 2024-05-25 12:00:24 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:00:24 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:00:24 2024****** 2024-05-25 12:00:24 INFO ImageFitter::fit+ 2024-05-25 12:00:24 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:00:24 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:00:24 INFO ImageFitter::fit+ --- region: 2024-05-25 12:00:24 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:00:24 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:00:24 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:00:24 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:00:24 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:00:24 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:00:24 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:00:24 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) 2024-05-25 12:00:24 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:00:24 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:00:24 INFO imstat::::casa ########################################## 2024-05-25 12:00:24 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:00:24 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 ) 2024-05-25 12:00:24 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:00:24 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:00:24 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:00:24 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:00:24 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:00:24 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) 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:00:24 INFO imstat:::: Values --- 2024-05-25 12:00:24 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:00:24 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:00:24 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:00:24 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:00:24 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:00:24 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:00:24 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:00:24 INFO imstat:::: Statistics --- 2024-05-25 12:00:24 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2024-05-25 12:00:24 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:00:24 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:00:24 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 2024-05-25 12:00:24 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:00:23.996626 End time: 2024-05-25 12:00:24.026979 2024-05-25 12:00:24 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:00:24 INFO imstat::::casa ########################################## 2024-05-25 12:00:24 INFO phaseshift::::casa ########################################## 2024-05-25 12:00:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:00:24 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 0.699877039rad' ) 2024-05-25 12:00:24 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:00:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:00:24 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:00:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:00:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:00:24 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:00:24 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:00:24 INFO MSTransformManager::open Select data 2024-05-25 12:00:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:00:26 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19h53m49.9980 0.699877039rad successfully parsed 2024-05-25 12:00:26 INFO phaseshift::::casa Shift phase center 2024-05-25 12:00:27 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:00:24.045710 End time: 2024-05-25 12:00:26.514793 2024-05-25 12:00:27 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:00:27 INFO phaseshift::::casa ########################################## 2024-05-25 12:00:27 INFO tclean::::casa ########################################## 2024-05-25 12:00:27 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:00:27 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 ) 2024-05-25 12:00:27 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:00:27 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:00:27 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:00:27 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:00:27 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:00:27 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:00:27 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:00:27 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.69 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:00:27 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:00:27 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:00:27 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:00:27 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:00:28 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026333 2024-05-25 12:00:28 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:00:28 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:00:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:00:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:00:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:00:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:00:29 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:00:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:00:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:00:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:00:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:00:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:00:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:00:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:00:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:00:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:00:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:00:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:00:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:00:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:00:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:00:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:00:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:00:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:00:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:00:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:00:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:00:38 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:00:38 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:00:38 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:00:39 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:00:39 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:00:41 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:00:26.576469 End time: 2024-05-25 12:00:41.333356 2024-05-25 12:00:41 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:00:41 INFO tclean::::casa ########################################## 2024-05-25 12:00:41 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:00:41 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:00:41 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) 2024-05-25 12:00:41 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:00:41 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:00:41 2024****** 2024-05-25 12:00:41 INFO ImageFitter::fit+ 2024-05-25 12:00:41 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:00:41 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:00:41 INFO ImageFitter::fit+ --- region: 2024-05-25 12:00:41 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:00:41 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:00:41 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:00:41 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:00:41 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:00:41 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:00:41 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:00:41 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) 2024-05-25 12:00:41 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:00:41 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:00:41 INFO imstat::::casa ########################################## 2024-05-25 12:00:41 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:00:41 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 ) 2024-05-25 12:00:41 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:00:41 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:00:41 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:00:41 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:00:41 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:00:41 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) 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:00:41 INFO imstat:::: Values --- 2024-05-25 12:00:41 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:00:41 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:00:41 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:00:41 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:00:41 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:00:41 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:00:41 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:00:41 INFO imstat:::: Statistics --- 2024-05-25 12:00:41 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2024-05-25 12:00:41 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:00:41 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:00:41 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 2024-05-25 12:00:41 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:00:41.414838 End time: 2024-05-25 12:00:41.443775 2024-05-25 12:00:41 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:00:41 INFO imstat::::casa ########################################## 2024-05-25 12:00:41 INFO phaseshift::::casa ########################################## 2024-05-25 12:00:41 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:00:41 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40d06m0.0019' ) 2024-05-25 12:00:41 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:00:41 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:00:41 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:00:41 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:00:41 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:00:41 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:00:41 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:00:41 INFO MSTransformManager::open Select data 2024-05-25 12:00:41 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:00:45 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19:53:49.9980 40d06m0.0019 successfully parsed 2024-05-25 12:00:45 INFO phaseshift::::casa Shift phase center 2024-05-25 12:00:47 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:00:41.462218 End time: 2024-05-25 12:00:46.993766 2024-05-25 12:00:47 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:00:47 INFO phaseshift::::casa ########################################## 2024-05-25 12:00:47 INFO tclean::::casa ########################################## 2024-05-25 12:00:47 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:00:47 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 ) 2024-05-25 12:00:47 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:00:47 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:00:47 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:00:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:00:47 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:00:47 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:00:47 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:00:47 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.68 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:00:47 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:00:47 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:00:47 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:00:49 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:00:49 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.023842 2024-05-25 12:00:49 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:00:49 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:00:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:00:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:00:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:00:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:00:51 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:00:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:00:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:00:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:00:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:00:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:00:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:00:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:00:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:00:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:00:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:00:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:00:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:00:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:00:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:00:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:01:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:01:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:01:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:01:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:01:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:01:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:01:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:01:08 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:01:08 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:01:08 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:01:10 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:01:10 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:01:12 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:00:47.061384 End time: 2024-05-25 12:01:12.412683 2024-05-25 12:01:12 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:01:12 INFO tclean::::casa ########################################## 2024-05-25 12:01:12 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:01:12 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:01:12 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:01:12 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:01:12 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:01:12 2024****** 2024-05-25 12:01:12 INFO ImageFitter::fit+ 2024-05-25 12:01:12 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:01:12 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:01:12 INFO ImageFitter::fit+ --- region: 2024-05-25 12:01:12 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:01:12 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:01:12 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:01:12 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:01:12 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:01:12 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:01:12 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:01:12 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:01:12 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:01:12 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:01:12 INFO imstat::::casa ########################################## 2024-05-25 12:01:12 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:01:12 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:01:12 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:01:12 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:01:12 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:01:12 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:01:13 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:01:13 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) 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:01:13 INFO imstat:::: Values --- 2024-05-25 12:01:13 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:01:13 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:01:13 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:01:13 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:01:13 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:01:13 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:01:13 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:01:13 INFO imstat:::: Statistics --- 2024-05-25 12:01:13 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2024-05-25 12:01:13 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:01:13 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:01:13 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 2024-05-25 12:01:13 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:01:12.489101 End time: 2024-05-25 12:01:12.516644 2024-05-25 12:01:13 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:01:13 INFO imstat::::casa ########################################## 2024-05-25 12:01:13 INFO phaseshift::::casa ########################################## 2024-05-25 12:01:13 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:01:13 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 02:40:24.0001' ) 2024-05-25 12:01:13 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:01:13 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:01:13 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:01:13 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:01:13 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:01:13 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:01:13 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:01:13 INFO MSTransformManager::open Select data 2024-05-25 12:01:13 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 ".". 2024-05-25 12:01:16 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19:53:49.9980 02:40:24.0001 successfully parsed 2024-05-25 12:01:16 INFO phaseshift::::casa Shift phase center 2024-05-25 12:01:18 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:01:12.533844 End time: 2024-05-25 12:01:17.598353 2024-05-25 12:01:18 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:01:18 INFO phaseshift::::casa ########################################## 2024-05-25 12:01:18 INFO tclean::::casa ########################################## 2024-05-25 12:01:18 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:01:18 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 ) 2024-05-25 12:01:18 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:01:18 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:01:18 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:01:18 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:01:18 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:01:18 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:01:18 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:01:18 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:01:18 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:01:18 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:01:18 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:01:20 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:01:20 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026672 2024-05-25 12:01:20 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:01:20 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:01:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:01:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:01:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:01:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:01:22 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:01:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:01:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:01:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:01:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:01:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:01:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:01:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:01:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:01:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:01:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:01:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:01:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:01:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:01:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:01:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:01:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:01:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:01:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:01:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:01:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:01:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:01:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:01:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:01:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:01:30 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:01:30 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:01:30 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:01:31 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:01:32 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:01:34 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:01:17.662876 End time: 2024-05-25 12:01:34.095462 2024-05-25 12:01:34 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:01:34 INFO tclean::::casa ########################################## 2024-05-25 12:01:34 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:01:34 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:01:34 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) 2024-05-25 12:01:34 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:01:34 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:01:34 2024****** 2024-05-25 12:01:34 INFO ImageFitter::fit+ 2024-05-25 12:01:34 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:01:34 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:01:34 INFO ImageFitter::fit+ --- region: 2024-05-25 12:01:34 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:01:34 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:01:34 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:01:34 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:01:34 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:01:34 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:01:34 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:01:34 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996) 2024-05-25 12:01:34 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:01:34 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:01:34 INFO imstat::::casa ########################################## 2024-05-25 12:01:34 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:01:34 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 ) 2024-05-25 12:01:34 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:01:34 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:01:34 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:01:34 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:01:34 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:01:34 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) 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:01:34 INFO imstat:::: Values --- 2024-05-25 12:01:34 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:01:34 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:01:34 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:01:34 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 12:01:34 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:01:34 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2024-05-25 12:01:34 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:01:34 INFO imstat:::: Statistics --- 2024-05-25 12:01:34 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2024-05-25 12:01:34 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:01:34 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.780943e-05 4.999996e+00 2024-05-25 12:01:34 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:01:34.177798 End time: 2024-05-25 12:01:34.208641 2024-05-25 12:01:34 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:01:34 INFO imstat::::casa ########################################## 2024-05-25 12:01:34 INFO phaseshift::::casa ########################################## 2024-05-25 12:01:34 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:01:34 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40.100000528deg' ) 2024-05-25 12:01:34 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:01:34 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:01:34 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:01:34 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:01:34 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:01:34 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:01:34 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:01:34 INFO MSTransformManager::open Select data 2024-05-25 12:01:34 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:01:41 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19:53:49.9980 40.100000528deg successfully parsed 2024-05-25 12:01:41 INFO phaseshift::::casa Shift phase center 2024-05-25 12:01:42 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:01:34.226995 End time: 2024-05-25 12:01:42.065408 2024-05-25 12:01:42 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:01:42 INFO phaseshift::::casa ########################################## 2024-05-25 12:01:42 INFO tclean::::casa ########################################## 2024-05-25 12:01:42 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:01:42 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:01:42 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:01:42 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:01:42 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:01:42 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:01:42 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:01:42 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:01:42 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:01:42 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:01:42 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:01:42 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:01:42 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:01:44 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:01:45 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029526 2024-05-25 12:01:45 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:01:45 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:01:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:01:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:01:48 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:01:48 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:01:48 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:01:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:01:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:01:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:01:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:01:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:01:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:01:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:01:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:01:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:01:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:01:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:01:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:01:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:01:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:01:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:01:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:01:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:01:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:01:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:01:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:01:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:01:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:01:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:01:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:01:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:01:59 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:01:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:02:00 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:02:01 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:02:03 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:01:42.130359 End time: 2024-05-25 12:02:03.201085 2024-05-25 12:02:03 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:02:03 INFO tclean::::casa ########################################## 2024-05-25 12:02:03 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:02:03 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:02:03 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) 2024-05-25 12:02:03 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:02:03 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:02:03 2024****** 2024-05-25 12:02:03 INFO ImageFitter::fit+ 2024-05-25 12:02:03 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:02:03 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:02:03 INFO ImageFitter::fit+ --- region: 2024-05-25 12:02:03 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:02:03 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:02:03 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:02:03 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:02:03 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:02:03 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:02:03 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:02:03 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) 2024-05-25 12:02:03 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:02:03 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:02:03 INFO imstat::::casa ########################################## 2024-05-25 12:02:03 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:02:03 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 ) 2024-05-25 12:02:03 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:02:03 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:02:03 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:02:03 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:02:03 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:02:03 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) 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:02:03 INFO imstat:::: Values --- 2024-05-25 12:02:03 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:02:03 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:02:03 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:02:03 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:02:03 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:02:03 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:02:03 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:02:03 INFO imstat:::: Statistics --- 2024-05-25 12:02:03 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2024-05-25 12:02:03 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:02:03 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:02:03 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 2024-05-25 12:02:03 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:02:03.283705 End time: 2024-05-25 12:02:03.312673 2024-05-25 12:02:03 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:02:03 INFO imstat::::casa ########################################## 2024-05-25 12:02:03 INFO phaseshift::::casa ########################################## 2024-05-25 12:02:03 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:02:03 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 19:53:49.9980 0.699877039rad' ) 2024-05-25 12:02:03 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:02:03 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:02:03 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:02:03 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:02:03 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:02:03 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:02:03 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:02:03 INFO MSTransformManager::open Select data 2024-05-25 12:02:03 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:02:07 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19:53:49.9980 0.699877039rad successfully parsed 2024-05-25 12:02:07 INFO phaseshift::::casa Shift phase center 2024-05-25 12:02:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:02:03.330737 End time: 2024-05-25 12:02:09.723281 2024-05-25 12:02:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:02:10 INFO phaseshift::::casa ########################################## 2024-05-25 12:02:10 INFO tclean::::casa ########################################## 2024-05-25 12:02:10 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:02:10 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 ) 2024-05-25 12:02:10 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:02:10 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:02:10 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:02:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:02:10 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:02:10 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:02:10 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:02:10 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:02:10 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:02:10 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:02:10 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:02:18 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:02:19 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028635 2024-05-25 12:02:19 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:02:19 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:02:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:02:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:02:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:02:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:02:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:02:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:02:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:02:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:02:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:02:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:02:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:02:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:02:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:02:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:02:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:02:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:02:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:02:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:02:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:02:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:02:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:02:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:02:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:02:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:02:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:02:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:02:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:02:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:02:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:02:38 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:02:38 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:02:38 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:02:40 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:02:41 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:02:43 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:02:09.790195 End time: 2024-05-25 12:02:43.168313 2024-05-25 12:02:43 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:02:43 INFO tclean::::casa ########################################## 2024-05-25 12:02:43 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:02:43 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:02:43 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) 2024-05-25 12:02:43 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:02:43 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:02:43 2024****** 2024-05-25 12:02:43 INFO ImageFitter::fit+ 2024-05-25 12:02:43 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:02:43 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:02:43 INFO ImageFitter::fit+ --- region: 2024-05-25 12:02:43 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:02:43 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:02:43 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:02:43 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:02:43 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:02:43 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:02:43 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:02:43 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) 2024-05-25 12:02:43 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:02:43 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:02:43 INFO imstat::::casa ########################################## 2024-05-25 12:02:43 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:02:43 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 ) 2024-05-25 12:02:43 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:02:43 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:02:43 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:02:43 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:02:43 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:02:43 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) 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:02:43 INFO imstat:::: Values --- 2024-05-25 12:02:43 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:02:43 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:02:43 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:02:43 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:02:43 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:02:43 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:02:43 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:02:43 INFO imstat:::: Statistics --- 2024-05-25 12:02:43 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2024-05-25 12:02:43 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:02:43 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.778665e-05 4.999996e+00 2024-05-25 12:02:43 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:02:43.249483 End time: 2024-05-25 12:02:43.278568 2024-05-25 12:02:43 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:02:43 INFO imstat::::casa ########################################## 2024-05-25 12:02:43 INFO phaseshift::::casa ########################################## 2024-05-25 12:02:43 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:02:43 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40d06m0.0019' ) 2024-05-25 12:02:43 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:02:43 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:02:43 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:02:43 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:02:43 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:02:43 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:02:43 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:02:43 INFO MSTransformManager::open Select data 2024-05-25 12:02:43 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:02:50 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 298.458325000deg 40d06m0.0019 successfully parsed 2024-05-25 12:02:50 INFO phaseshift::::casa Shift phase center 2024-05-25 12:02:52 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:02:43.296842 End time: 2024-05-25 12:02:52.227678 2024-05-25 12:02:52 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:02:52 INFO phaseshift::::casa ########################################## 2024-05-25 12:02:52 INFO tclean::::casa ########################################## 2024-05-25 12:02:52 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:02:52 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 ) 2024-05-25 12:02:52 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:02:52 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:02:52 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:02:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:02:52 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:02:52 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:02:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:02:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:02:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:02:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:02:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:02:54 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:02:54 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027349 2024-05-25 12:02:54 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:02:54 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:02:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:02:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:02:59 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:02:59 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:02:59 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:02:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:02:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:03:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:03:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:03:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:03:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:03:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:03:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:03:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:03:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:03:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:03:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:03:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:03:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:03:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:03:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:03:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:03:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:03:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:03:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:03:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:03:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:03:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:03:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:03:13 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:03:13 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:03:13 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:03:15 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:03:16 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:03:18 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:02:52.290147 End time: 2024-05-25 12:03:17.834022 2024-05-25 12:03:18 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:03:18 INFO tclean::::casa ########################################## 2024-05-25 12:03:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:03:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:03:18 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) 2024-05-25 12:03:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:03:18 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:03:18 2024****** 2024-05-25 12:03:18 INFO ImageFitter::fit+ 2024-05-25 12:03:18 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:03:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:03:18 INFO ImageFitter::fit+ --- region: 2024-05-25 12:03:18 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:03:18 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:03:18 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:03:18 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:03:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:03:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:03:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:03:18 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) 2024-05-25 12:03:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:03:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:03:18 INFO imstat::::casa ########################################## 2024-05-25 12:03:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:03:18 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 ) 2024-05-25 12:03:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:03:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:03:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:03:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:03:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:03:18 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) 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:03:18 INFO imstat:::: Values --- 2024-05-25 12:03:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:03:18 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:03:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:03:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:03:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:03:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:03:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:03:18 INFO imstat:::: Statistics --- 2024-05-25 12:03:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2024-05-25 12:03:18 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:03:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:03:18 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 2024-05-25 12:03:18 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:03:17.911814 End time: 2024-05-25 12:03:17.940449 2024-05-25 12:03:18 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:03:18 INFO imstat::::casa ########################################## 2024-05-25 12:03:18 INFO phaseshift::::casa ########################################## 2024-05-25 12:03:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:03:18 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 02:40:24.0001' ) 2024-05-25 12:03:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:03:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:03:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:03:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:03:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:03:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:03:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:03:18 INFO MSTransformManager::open Select data 2024-05-25 12:03:18 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 ".". 2024-05-25 12:03:22 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 298.458325000deg 02:40:24.0001 successfully parsed 2024-05-25 12:03:22 INFO phaseshift::::casa Shift phase center 2024-05-25 12:03:24 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:03:17.958007 End time: 2024-05-25 12:03:24.400468 2024-05-25 12:03:24 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:03:24 INFO phaseshift::::casa ########################################## 2024-05-25 12:03:24 INFO tclean::::casa ########################################## 2024-05-25 12:03:24 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:03:24 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 ) 2024-05-25 12:03:24 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:03:24 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:03:24 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:03:25 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:03:25 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:03:25 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:03:25 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:03:25 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:03:25 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:03:25 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:03:25 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:03:27 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:03:27 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026869 2024-05-25 12:03:27 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:03:27 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:03:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:03:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:03:30 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:03:30 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:03:30 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:03:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:03:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:03:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:03:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:03:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:03:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:03:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:03:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:03:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:03:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:03:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:03:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:03:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:03:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:03:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:03:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:03:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:03:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:03:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:03:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:03:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:03:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:03:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:03:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:03:39 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:03:39 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:03:39 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:03:42 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:03:42 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:03:44 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:03:24.473113 End time: 2024-05-25 12:03:44.393767 2024-05-25 12:03:44 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:03:44 INFO tclean::::casa ########################################## 2024-05-25 12:03:44 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:03:44 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:03:44 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:03:44 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:03:44 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:03:44 2024****** 2024-05-25 12:03:44 INFO ImageFitter::fit+ 2024-05-25 12:03:44 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:03:44 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:03:44 INFO ImageFitter::fit+ --- region: 2024-05-25 12:03:44 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:03:44 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:03:44 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:03:44 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:03:44 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:03:44 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:03:44 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:03:44 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996) 2024-05-25 12:03:44 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:03:44 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:03:44 INFO imstat::::casa ########################################## 2024-05-25 12:03:44 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:03:44 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:03:44 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:03:44 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:03:44 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:03:44 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:03:44 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:03:44 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:03:44 INFO imstat:::: Values --- 2024-05-25 12:03:44 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:03:44 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:03:44 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:03:44 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 12:03:44 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:03:44 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2024-05-25 12:03:44 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:03:44 INFO imstat:::: Statistics --- 2024-05-25 12:03:44 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2024-05-25 12:03:44 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:03:44 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.780943e-05 4.999996e+00 2024-05-25 12:03:45 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:03:44.467907 End time: 2024-05-25 12:03:44.501265 2024-05-25 12:03:45 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:03:45 INFO imstat::::casa ########################################## 2024-05-25 12:03:45 INFO phaseshift::::casa ########################################## 2024-05-25 12:03:45 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:03:45 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 298.458325000deg 40.100000528deg' ) 2024-05-25 12:03:45 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:03:45 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:03:45 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:03:45 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:03:45 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:03:45 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:03:45 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:03:45 INFO MSTransformManager::open Select data 2024-05-25 12:03:45 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:03:49 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 298.458325000deg 40.100000528deg successfully parsed 2024-05-25 12:03:49 INFO phaseshift::::casa Shift phase center 2024-05-25 12:03:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:03:44.517349 End time: 2024-05-25 12:03:51.210724 2024-05-25 12:03:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:03:51 INFO phaseshift::::casa ########################################## 2024-05-25 12:03:51 INFO tclean::::casa ########################################## 2024-05-25 12:03:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:03:51 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 ) 2024-05-25 12:03:51 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:03:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:03:51 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:03:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:03:51 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:03:51 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:03:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:03:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:03:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:03:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:03:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:03:55 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:03:55 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027014 2024-05-25 12:03:55 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:03:55 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:03:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:03:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:03:57 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:03:57 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:03:57 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:03:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:03:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:03:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:03:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:03:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:04:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:04:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:04:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:04:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:04:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:04:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:04:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:04:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:04:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:04:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:04:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:04:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:04:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:04:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:04:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:04:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:04:07 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:04:07 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:04:07 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:04:08 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:04:08 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:04:12 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:03:51.281145 End time: 2024-05-25 12:04:12.055755 2024-05-25 12:04:12 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:04:12 INFO tclean::::casa ########################################## 2024-05-25 12:04:12 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:04:12 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:04:12 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:04:12 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:04:12 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:04:12 2024****** 2024-05-25 12:04:12 INFO ImageFitter::fit+ 2024-05-25 12:04:12 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:04:12 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:04:12 INFO ImageFitter::fit+ --- region: 2024-05-25 12:04:12 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:04:12 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:04:12 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:04:12 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:04:12 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:04:12 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:04:12 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:04:12 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:04:12 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:04:12 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:04:12 INFO imstat::::casa ########################################## 2024-05-25 12:04:12 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:04:12 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:04:12 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:04:12 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:04:12 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:04:12 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:04:12 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:04:12 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:04:12 INFO imstat:::: Values --- 2024-05-25 12:04:12 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:04:12 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:04:12 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:04:12 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:04:12 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:04:12 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:04:12 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:04:12 INFO imstat:::: Statistics --- 2024-05-25 12:04:12 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2024-05-25 12:04:12 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:04:12 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:04:12 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 2024-05-25 12:04:12 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:04:12.137474 End time: 2024-05-25 12:04:12.173250 2024-05-25 12:04:12 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:04:12 INFO imstat::::casa ########################################## 2024-05-25 12:04:12 INFO phaseshift::::casa ########################################## 2024-05-25 12:04:12 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:04:12 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 0.699877039rad' ) 2024-05-25 12:04:12 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:04:12 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:04:12 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:04:12 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:04:12 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:04:12 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:04:12 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:04:12 INFO MSTransformManager::open Select data 2024-05-25 12:04:12 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:04:17 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 298.458325000deg 0.699877039rad successfully parsed 2024-05-25 12:04:17 INFO phaseshift::::casa Shift phase center 2024-05-25 12:04:18 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:04:12.190947 End time: 2024-05-25 12:04:18.479927 2024-05-25 12:04:18 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:04:18 INFO phaseshift::::casa ########################################## 2024-05-25 12:04:19 INFO tclean::::casa ########################################## 2024-05-25 12:04:19 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:04:19 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:04:19 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:04:19 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:04:19 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:04:19 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:04:19 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:04:19 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:04:19 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:04:19 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:04:19 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:04:19 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:04:19 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:04:21 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:04:21 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029912 2024-05-25 12:04:21 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:04:21 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:04:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:04:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:04:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:04:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:04:24 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:04:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:04:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:04:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:04:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:04:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:04:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:04:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:04:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:04:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:04:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:04:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:04:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:04:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:04:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:04:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:04:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:04:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:04:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:04:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:04:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:04:34 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:04:34 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:04:34 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:04:35 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:04:35 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:04:37 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:04:18.545727 End time: 2024-05-25 12:04:36.799080 2024-05-25 12:04:37 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:04:37 INFO tclean::::casa ########################################## 2024-05-25 12:04:37 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:04:37 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:04:37 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) 2024-05-25 12:04:37 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:04:37 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:04:37 2024****** 2024-05-25 12:04:37 INFO ImageFitter::fit+ 2024-05-25 12:04:37 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:04:37 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:04:37 INFO ImageFitter::fit+ --- region: 2024-05-25 12:04:37 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:04:37 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:04:37 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:04:37 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:04:37 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:04:37 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:04:37 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:04:37 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) 2024-05-25 12:04:37 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:04:37 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:04:37 INFO imstat::::casa ########################################## 2024-05-25 12:04:37 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:04:37 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 ) 2024-05-25 12:04:37 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:04:37 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:04:37 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:04:37 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:04:37 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:04:37 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) 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:04:37 INFO imstat:::: Values --- 2024-05-25 12:04:37 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:04:37 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:04:37 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:04:37 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:04:37 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:04:37 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:04:37 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:04:37 INFO imstat:::: Statistics --- 2024-05-25 12:04:37 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2024-05-25 12:04:37 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:04:37 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:04:37 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 2024-05-25 12:04:37 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:04:36.863096 End time: 2024-05-25 12:04:36.889022 2024-05-25 12:04:37 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:04:37 INFO imstat::::casa ########################################## 2024-05-25 12:04:37 INFO phaseshift::::casa ########################################## 2024-05-25 12:04:37 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:04:37 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40d06m0.0019' ) 2024-05-25 12:04:37 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:04:37 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:04:37 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:04:37 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:04:37 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:04:37 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:04:37 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:04:37 INFO MSTransformManager::open Select data 2024-05-25 12:04:37 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:04:41 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 5.209080451rad 40d06m0.0019 successfully parsed 2024-05-25 12:04:41 INFO phaseshift::::casa Shift phase center 2024-05-25 12:04:43 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:04:36.904513 End time: 2024-05-25 12:04:43.071125 2024-05-25 12:04:43 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:04:43 INFO phaseshift::::casa ########################################## 2024-05-25 12:04:43 INFO tclean::::casa ########################################## 2024-05-25 12:04:43 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:04:43 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 ) 2024-05-25 12:04:43 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:04:43 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:04:43 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:04:43 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:04:43 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:04:43 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:04:43 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:04:43 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:04:43 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:04:43 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:04:43 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:04:45 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:04:45 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.024187 2024-05-25 12:04:45 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:04:45 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:04:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:04:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:04:48 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:04:48 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:04:48 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:04:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:04:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:04:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:04:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:04:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:04:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:04:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:04:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:04:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:04:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:04:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:04:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:04:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:04:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:04:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:04:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:04:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:04:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:04:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:04:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:04:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:04:58 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:04:58 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:04:58 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:05:00 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:05:00 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:05:02 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:04:43.138137 End time: 2024-05-25 12:05:01.669616 2024-05-25 12:05:02 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:05:02 INFO tclean::::casa ########################################## 2024-05-25 12:05:02 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:05:02 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:02 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:05:02 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:05:02 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:05:02 2024****** 2024-05-25 12:05:02 INFO ImageFitter::fit+ 2024-05-25 12:05:02 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:05:02 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:05:02 INFO ImageFitter::fit+ --- region: 2024-05-25 12:05:02 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:05:02 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:05:02 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:05:02 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:05:02 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:05:02 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:05:02 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:02 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:05:02 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116878 Jy 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126494 Jy 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:05:02 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:05:02 INFO imstat::::casa ########################################## 2024-05-25 12:05:02 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:05:02 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:05:02 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:05:02 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:05:02 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:05:02 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:05:02 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:02 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:05:02 INFO imstat:::: Values --- 2024-05-25 12:05:02 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:05:02 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:05:02 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- minimum value [min]: -7.77984e-05 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:05:02 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:05:02 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:05:02 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:05:02 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:05:02 INFO imstat:::: Statistics --- 2024-05-25 12:05:02 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- Median of the pixel values [median]: -1.86704e-05 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7365e-05 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- IQR [quartile]: 3.56348e-05 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- First quartile [q1]: -3.45131e-05 Jy/beam 2024-05-25 12:05:02 INFO imstat:::: -- Third quartile [q3]: 1.12172e-06 Jy/beam 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:05:02 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:05:02 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 2024-05-25 12:05:02 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:05:01.742701 End time: 2024-05-25 12:05:01.777271 2024-05-25 12:05:02 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:05:02 INFO imstat::::casa ########################################## 2024-05-25 12:05:02 INFO phaseshift::::casa ########################################## 2024-05-25 12:05:02 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:05:02 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 02:40:24.0001' ) 2024-05-25 12:05:02 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:05:02 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:05:02 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:05:02 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:05:02 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:05:02 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:05:02 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:05:02 INFO MSTransformManager::open Select data 2024-05-25 12:05:02 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 ".". 2024-05-25 12:05:04 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 5.209080451rad 02:40:24.0001 successfully parsed 2024-05-25 12:05:04 INFO phaseshift::::casa Shift phase center 2024-05-25 12:05:05 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:05:01.793563 End time: 2024-05-25 12:05:04.809097 2024-05-25 12:05:05 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:05:05 INFO phaseshift::::casa ########################################## 2024-05-25 12:05:05 INFO tclean::::casa ########################################## 2024-05-25 12:05:05 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:05:05 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:05:05 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:05:05 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:05:05 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:05:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:05:05 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:05:05 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:05:05 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:05:05 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:05:05 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:05:05 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:05:05 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:05:06 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:05:06 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.023461 2024-05-25 12:05:06 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:05:06 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:05:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:05:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:05:07 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:05:07 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:05:07 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:05:07 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:05:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:05:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:05:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:05:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:05:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:05:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:05:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:05:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:05:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:05:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:05:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:05:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:05:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:05:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:05:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:05:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:05:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:05:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:05:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:05:11 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:05:11 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:05:11 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:05:12 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:05:12 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:05:13 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:05:04.880473 End time: 2024-05-25 12:05:12.963471 2024-05-25 12:05:13 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:05:13 INFO tclean::::casa ########################################## 2024-05-25 12:05:13 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:05:13 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:13 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) 2024-05-25 12:05:13 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:05:13 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:05:13 2024****** 2024-05-25 12:05:13 INFO ImageFitter::fit+ 2024-05-25 12:05:13 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:05:13 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:05:13 INFO ImageFitter::fit+ --- region: 2024-05-25 12:05:13 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:05:13 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:05:13 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:05:13 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:05:13 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:05:13 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:05:13 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:13 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) 2024-05-25 12:05:13 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116894 Jy 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126508 Jy 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:05:13 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:05:13 INFO imstat::::casa ########################################## 2024-05-25 12:05:13 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:05:13 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 ) 2024-05-25 12:05:13 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:05:13 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:05:13 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:05:13 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:05:13 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:13 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) 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:05:13 INFO imstat:::: Values --- 2024-05-25 12:05:13 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:05:13 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:05:13 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- minimum value [min]: -7.78076e-05 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:05:13 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 12:05:13 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:05:13 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2024-05-25 12:05:13 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:05:13 INFO imstat:::: Statistics --- 2024-05-25 12:05:13 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- Median of the pixel values [median]: -1.86848e-05 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73951e-05 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- IQR [quartile]: 3.56676e-05 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- First quartile [q1]: -3.45186e-05 Jy/beam 2024-05-25 12:05:13 INFO imstat:::: -- Third quartile [q3]: 1.14894e-06 Jy/beam 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:05:13 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:05:13 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 2024-05-25 12:05:13 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:05:13.030789 End time: 2024-05-25 12:05:13.063502 2024-05-25 12:05:13 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:05:13 INFO imstat::::casa ########################################## 2024-05-25 12:05:13 INFO phaseshift::::casa ########################################## 2024-05-25 12:05:13 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:05:13 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40.100000528deg' ) 2024-05-25 12:05:13 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:05:13 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:05:13 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:05:13 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:05:13 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:05:13 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:05:13 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:05:13 INFO MSTransformManager::open Select data 2024-05-25 12:05:13 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:05:15 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 5.209080451rad 40.100000528deg successfully parsed 2024-05-25 12:05:15 INFO phaseshift::::casa Shift phase center 2024-05-25 12:05:15 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:05:13.079793 End time: 2024-05-25 12:05:15.314500 2024-05-25 12:05:15 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:05:15 INFO phaseshift::::casa ########################################## 2024-05-25 12:05:15 INFO tclean::::casa ########################################## 2024-05-25 12:05:15 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:05:15 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:05:15 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:05:15 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:05:15 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:05:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:05:16 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:05:16 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:05:16 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:05:16 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:05:16 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:05:16 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:05:16 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:05:16 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:05:16 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029235 2024-05-25 12:05:16 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:05:16 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:05:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:05:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:05:18 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:05:18 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:05:18 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:05:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:05:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:05:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:05:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:05:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:05:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:05:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:05:20 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:05:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:05:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:05:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:05:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:05:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:05:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:05:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:05:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:05:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:05:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:05:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:05:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:05:25 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:05:25 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:05:25 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:05:26 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:05:27 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:05:27 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:05:15.357988 End time: 2024-05-25 12:05:27.360888 2024-05-25 12:05:27 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:05:27 INFO tclean::::casa ########################################## 2024-05-25 12:05:27 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:05:27 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:27 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:05:27 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:05:27 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:05:27 2024****** 2024-05-25 12:05:27 INFO ImageFitter::fit+ 2024-05-25 12:05:27 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:05:27 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:05:27 INFO ImageFitter::fit+ --- region: 2024-05-25 12:05:27 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:05:27 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:05:27 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:05:27 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:05:27 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:05:27 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:05:27 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:27 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:05:27 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116882 Jy 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:05:27 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:05:27 INFO imstat::::casa ########################################## 2024-05-25 12:05:27 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:05:27 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 ) 2024-05-25 12:05:27 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:05:27 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:05:27 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:05:27 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:05:27 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:27 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:05:27 INFO imstat:::: Values --- 2024-05-25 12:05:27 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:05:27 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:05:27 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- minimum value [min]: -7.77982e-05 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:05:27 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:05:27 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:05:27 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:05:27 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:05:27 INFO imstat:::: Statistics --- 2024-05-25 12:05:27 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- Median of the pixel values [median]: -1.86711e-05 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73646e-05 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- IQR [quartile]: 3.56367e-05 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- First quartile [q1]: -3.45138e-05 Jy/beam 2024-05-25 12:05:27 INFO imstat:::: -- Third quartile [q3]: 1.12291e-06 Jy/beam 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:05:27 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:05:27 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 2024-05-25 12:05:27 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:05:27.439110 End time: 2024-05-25 12:05:27.470925 2024-05-25 12:05:27 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:05:27 INFO imstat::::casa ########################################## 2024-05-25 12:05:27 INFO phaseshift::::casa ########################################## 2024-05-25 12:05:27 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:05:27 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 0.699877039rad' ) 2024-05-25 12:05:28 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:05:28 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:05:28 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:05:28 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:05:28 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:05:28 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:05:28 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:05:28 INFO MSTransformManager::open Select data 2024-05-25 12:05:28 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:05:31 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 5.209080451rad 0.699877039rad successfully parsed 2024-05-25 12:05:31 INFO phaseshift::::casa Shift phase center 2024-05-25 12:05:34 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:05:27.491485 End time: 2024-05-25 12:05:33.646149 2024-05-25 12:05:34 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:05:34 INFO phaseshift::::casa ########################################## 2024-05-25 12:05:34 INFO tclean::::casa ########################################## 2024-05-25 12:05:34 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:05:34 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 ) 2024-05-25 12:05:34 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:05:34 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:05:34 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:05:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:05:34 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:05:34 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:05:34 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:05:34 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:05:34 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:05:34 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:05:34 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:05:35 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:05:35 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.02786 2024-05-25 12:05:35 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:05:35 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:05:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:05:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:05:39 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:05:39 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:05:39 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:05:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:05:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:05:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:05:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:05:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:05:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:05:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:05:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:05:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:05:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:05:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374443277716637, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:05:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:05:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:05:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:05:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:05:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852561634033918, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:05:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:05:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:05:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:05:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:05:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:05:50 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:05:50 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:05:50 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:05:51 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:05:51 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:05:53 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:05:33.718564 End time: 2024-05-25 12:05:53.284533 2024-05-25 12:05:53 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:05:53 INFO tclean::::casa ########################################## 2024-05-25 12:05:53 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:05:53 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:53 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) 2024-05-25 12:05:53 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:05:53 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:05:53 2024****** 2024-05-25 12:05:53 INFO ImageFitter::fit+ 2024-05-25 12:05:53 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:05:53 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:05:53 INFO ImageFitter::fit+ --- region: 2024-05-25 12:05:53 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:05:53 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:05:53 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:05:53 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:05:53 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:05:53 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:05:53 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:53 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) 2024-05-25 12:05:53 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:05:53 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:05:53 INFO imstat::::casa ########################################## 2024-05-25 12:05:53 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:05:53 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 ) 2024-05-25 12:05:53 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:05:53 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:05:53 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:05:53 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:05:53 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:05:53 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) 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:05:53 INFO imstat:::: Values --- 2024-05-25 12:05:53 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:05:53 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:05:53 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- minimum value [min]: -7.77898e-05 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:05:53 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:05:53 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:05:53 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-05-25 12:05:53 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:05:53 INFO imstat:::: Statistics --- 2024-05-25 12:05:53 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- Median of the pixel values [median]: -1.86769e-05 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73662e-05 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- IQR [quartile]: 3.5634e-05 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2024-05-25 12:05:53 INFO imstat:::: -- Third quartile [q3]: 1.1187e-06 Jy/beam 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:05:53 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.778978e-05 4.999996e+00 2024-05-25 12:05:53 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:05:53.370528 End time: 2024-05-25 12:05:53.411613 2024-05-25 12:05:53 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:05:53 INFO imstat::::casa ########################################## 2024-05-25 12:05:53 INFO phaseshift::::casa ########################################## 2024-05-25 12:05:53 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:05:53 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 +006d21m09.7433' ) 2024-05-25 12:05:53 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:05:53 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:05:53 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:05:53 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:05:53 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:05:53 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:05:53 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:05:53 INFO MSTransformManager::open Select data 2024-05-25 12:05:53 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:05:57 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05h00m21.5326 +006d21m09.7433 successfully parsed 2024-05-25 12:05:57 INFO phaseshift::::casa Shift phase center 2024-05-25 12:05:58 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:05:53.439278 End time: 2024-05-25 12:05:57.849066 2024-05-25 12:05:58 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:05:58 INFO phaseshift::::casa ########################################## 2024-05-25 12:05:58 INFO tclean::::casa ########################################## 2024-05-25 12:05:58 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:05:58 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:05:58 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:05:58 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:05:58 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:05:58 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:05:58 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:05:58 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:05:58 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:05:58 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:05:58 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:05:58 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:05:58 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:05:59 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:05:59 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026509 2024-05-25 12:05:59 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:05:59 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:05:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:06:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:06:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:06:00 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:06:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:06:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:06:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:06:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:06:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:06:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:06:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:06:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:06:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:06:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:06:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:06:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:06:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:06:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:06:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:06:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:06:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:06:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:06:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:06:03 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:06:03 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:06:03 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:06:04 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:06:04 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:06:05 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:05:57.909737 End time: 2024-05-25 12:06:04.677316 2024-05-25 12:06:05 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:06:05 INFO tclean::::casa ########################################## 2024-05-25 12:06:05 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:06:05 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:05 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:06:05 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:06:05 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:06:05 2024****** 2024-05-25 12:06:05 INFO ImageFitter::fit+ 2024-05-25 12:06:05 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:06:05 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:06:05 INFO ImageFitter::fit+ --- region: 2024-05-25 12:06:05 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:06:05 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:06:05 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:06:05 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:06:05 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:06:05 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:06:05 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:05 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:06:05 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:06:05 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:06:05 INFO imstat::::casa ########################################## 2024-05-25 12:06:05 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:06:05 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:06:05 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:06:05 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:06:05 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:06:05 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:06:05 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:05 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:06:05 INFO imstat:::: Values --- 2024-05-25 12:06:05 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:06:05 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:06:05 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- minimum value [min]: -7.77795e-05 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:06:05 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:06:05 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:06:05 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:06:05 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:06:05 INFO imstat:::: Statistics --- 2024-05-25 12:06:05 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- Median of the pixel values [median]: -1.86702e-05 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- IQR [quartile]: 3.56029e-05 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- First quartile [q1]: -3.45082e-05 Jy/beam 2024-05-25 12:06:05 INFO imstat:::: -- Third quartile [q3]: 1.09472e-06 Jy/beam 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:06:05 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:06:05 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 2024-05-25 12:06:05 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:06:04.727920 End time: 2024-05-25 12:06:04.749288 2024-05-25 12:06:05 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:06:05 INFO imstat::::casa ########################################## 2024-05-25 12:06:05 INFO phaseshift::::casa ########################################## 2024-05-25 12:06:05 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:06:05 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 00:25:24.6496' ) 2024-05-25 12:06:05 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:06:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:06:05 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:06:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:06:05 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:06:05 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:06:05 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:06:05 INFO MSTransformManager::open Select data 2024-05-25 12:06:05 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 ".". 2024-05-25 12:06:07 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05h00m21.5326 00:25:24.6496 successfully parsed 2024-05-25 12:06:07 INFO phaseshift::::casa Shift phase center 2024-05-25 12:06:09 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:06:04.763747 End time: 2024-05-25 12:06:08.834027 2024-05-25 12:06:09 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:06:09 INFO phaseshift::::casa ########################################## 2024-05-25 12:06:09 INFO tclean::::casa ########################################## 2024-05-25 12:06:09 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:06:09 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:06:09 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:06:09 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:06:09 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:06:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:06:09 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:06:09 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:06:09 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:06:09 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:06:09 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:06:09 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:06:09 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:06:10 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:06:10 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027076 2024-05-25 12:06:10 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:06:10 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:06:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:06:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:06:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:06:12 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:06:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:06:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:06:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:06:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:06:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:06:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:06:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:06:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:06:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:06:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:06:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:06:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:06:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:06:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:06:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:06:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:06:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:06:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:06:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:06:16 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:06:16 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:06:16 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:06:16 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:06:16 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:06:17 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:06:08.897007 End time: 2024-05-25 12:06:17.128481 2024-05-25 12:06:17 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:06:17 INFO tclean::::casa ########################################## 2024-05-25 12:06:17 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:06:17 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:17 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) 2024-05-25 12:06:17 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:06:17 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:06:17 2024****** 2024-05-25 12:06:17 INFO ImageFitter::fit+ 2024-05-25 12:06:17 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:06:17 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:06:17 INFO ImageFitter::fit+ --- region: 2024-05-25 12:06:17 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:06:17 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:06:17 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:06:17 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:06:17 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:06:17 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:06:17 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:17 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) 2024-05-25 12:06:17 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116907 Jy 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:06:17 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:06:17 INFO imstat::::casa ########################################## 2024-05-25 12:06:17 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:06:17 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 ) 2024-05-25 12:06:17 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:06:17 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:06:17 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:06:17 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:06:17 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:17 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-05-25 12:06:17 INFO imstat:::: Values --- 2024-05-25 12:06:17 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:06:17 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:06:17 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- minimum value [min]: -7.78732e-05 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:06:17 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:06:17 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:06:17 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:06:17 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:06:17 INFO imstat:::: Statistics --- 2024-05-25 12:06:17 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- Median of the pixel values [median]: -1.86516e-05 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- IQR [quartile]: 3.56959e-05 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- First quartile [q1]: -3.45348e-05 Jy/beam 2024-05-25 12:06:17 INFO imstat:::: -- Third quartile [q3]: 1.16101e-06 Jy/beam 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:06:17 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:06:17 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 2024-05-25 12:06:17 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:06:17.205321 End time: 2024-05-25 12:06:17.244348 2024-05-25 12:06:17 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:06:17 INFO imstat::::casa ########################################## 2024-05-25 12:06:17 INFO phaseshift::::casa ########################################## 2024-05-25 12:06:17 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:06:17 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 6.352706472deg' ) 2024-05-25 12:06:17 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:06:17 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:06:17 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:06:17 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:06:17 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:06:17 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:06:17 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:06:17 INFO MSTransformManager::open Select data 2024-05-25 12:06:17 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:06:19 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05h00m21.5326 6.352706472deg successfully parsed 2024-05-25 12:06:19 INFO phaseshift::::casa Shift phase center 2024-05-25 12:06:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:06:17.272155 End time: 2024-05-25 12:06:19.702683 2024-05-25 12:06:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:06:20 INFO phaseshift::::casa ########################################## 2024-05-25 12:06:20 INFO tclean::::casa ########################################## 2024-05-25 12:06:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:06:20 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:06:20 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:06:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:06:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:06:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:06:20 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:06:20 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:06:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:06:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:06:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:06:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:06:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:06:21 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:06:21 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.023223 2024-05-25 12:06:21 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:06:21 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:06:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:06:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:06:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:06:22 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:06:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:06:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:06:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:06:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:06:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:06:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:06:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:06:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:06:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:06:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:06:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:06:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:06:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:06:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:06:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:06:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:06:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:06:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:06:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:06:27 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:06:27 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:06:27 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:06:27 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:06:28 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:06:28 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:06:19.760603 End time: 2024-05-25 12:06:28.446964 2024-05-25 12:06:28 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:06:28 INFO tclean::::casa ########################################## 2024-05-25 12:06:28 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:06:28 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:28 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:06:28 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:06:28 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:06:28 2024****** 2024-05-25 12:06:28 INFO ImageFitter::fit+ 2024-05-25 12:06:28 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:06:28 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:06:28 INFO ImageFitter::fit+ --- region: 2024-05-25 12:06:28 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:06:28 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:06:28 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:06:28 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:06:28 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:06:28 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:06:28 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:28 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:06:29 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:06:29 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:06:29 INFO imstat::::casa ########################################## 2024-05-25 12:06:29 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:06:29 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 ) 2024-05-25 12:06:29 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:06:29 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:06:29 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:06:29 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:06:29 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:29 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) 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:06:29 INFO imstat:::: Values --- 2024-05-25 12:06:29 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:06:29 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:06:29 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- minimum value [min]: -7.7777e-05 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:06:29 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:06:29 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:06:29 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:06:29 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:06:29 INFO imstat:::: Statistics --- 2024-05-25 12:06:29 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- IQR [quartile]: 3.56027e-05 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- First quartile [q1]: -3.45074e-05 Jy/beam 2024-05-25 12:06:29 INFO imstat:::: -- Third quartile [q3]: 1.09529e-06 Jy/beam 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:06:29 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:06:29 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 2024-05-25 12:06:29 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:06:28.520998 End time: 2024-05-25 12:06:28.548172 2024-05-25 12:06:29 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:06:29 INFO imstat::::casa ########################################## 2024-05-25 12:06:29 INFO phaseshift::::casa ########################################## 2024-05-25 12:06:29 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:06:29 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 0.110875644rad' ) 2024-05-25 12:06:29 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:06:29 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:06:29 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:06:29 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:06:29 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:06:29 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:06:29 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:06:29 INFO MSTransformManager::open Select data 2024-05-25 12:06:29 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:06:30 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05h00m21.5326 0.110875644rad successfully parsed 2024-05-25 12:06:30 INFO phaseshift::::casa Shift phase center 2024-05-25 12:06:31 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:06:28.577902 End time: 2024-05-25 12:06:31.034681 2024-05-25 12:06:31 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:06:31 INFO phaseshift::::casa ########################################## 2024-05-25 12:06:31 INFO tclean::::casa ########################################## 2024-05-25 12:06:31 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:06:31 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:06:31 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:06:31 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:06:31 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:06:31 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:06:31 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:06:31 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:06:31 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:06:31 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:06:31 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:06:31 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:06:31 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:06:32 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:06:32 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.021519 2024-05-25 12:06:32 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:06:32 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:06:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:06:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:06:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:06:33 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:06:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:06:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:06:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:06:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:06:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:06:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:06:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:06:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:06:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:06:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:06:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:06:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:06:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:06:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:06:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:06:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:06:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:06:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:06:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:06:37 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:06:37 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:06:37 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:06:37 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:06:37 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:06:42 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:06:31.091487 End time: 2024-05-25 12:06:41.501911 2024-05-25 12:06:42 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:06:42 INFO tclean::::casa ########################################## 2024-05-25 12:06:42 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:06:42 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:42 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) 2024-05-25 12:06:42 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:06:42 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:06:42 2024****** 2024-05-25 12:06:42 INFO ImageFitter::fit+ 2024-05-25 12:06:42 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:06:42 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:06:42 INFO ImageFitter::fit+ --- region: 2024-05-25 12:06:42 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:06:42 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:06:42 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:06:42 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:06:42 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:06:42 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:06:42 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:42 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) 2024-05-25 12:06:42 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:06:42 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:06:42 INFO imstat::::casa ########################################## 2024-05-25 12:06:42 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:06:42 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 ) 2024-05-25 12:06:42 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:06:42 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:06:42 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:06:42 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:06:42 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:42 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) 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:06:42 INFO imstat:::: Values --- 2024-05-25 12:06:42 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:06:42 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:06:42 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- minimum value [min]: -7.77849e-05 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:06:42 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 12:06:42 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:06:42 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 12:06:42 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:06:42 INFO imstat:::: Statistics --- 2024-05-25 12:06:42 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- IQR [quartile]: 3.56016e-05 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- First quartile [q1]: -3.45087e-05 Jy/beam 2024-05-25 12:06:42 INFO imstat:::: -- Third quartile [q3]: 1.0929e-06 Jy/beam 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:06:42 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:06:42 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 2024-05-25 12:06:42 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:06:41.581338 End time: 2024-05-25 12:06:41.609517 2024-05-25 12:06:42 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:06:42 INFO imstat::::casa ########################################## 2024-05-25 12:06:42 INFO phaseshift::::casa ########################################## 2024-05-25 12:06:42 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:06:42 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 +006d21m09.7433' ) 2024-05-25 12:06:42 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:06:42 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:06:42 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:06:42 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:06:42 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:06:42 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:06:42 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:06:42 INFO MSTransformManager::open Select data 2024-05-25 12:06:42 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:06:43 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05:00:21.5326 +006d21m09.7433 successfully parsed 2024-05-25 12:06:43 INFO phaseshift::::casa Shift phase center 2024-05-25 12:06:44 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:06:41.627157 End time: 2024-05-25 12:06:44.222962 2024-05-25 12:06:44 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:06:44 INFO phaseshift::::casa ########################################## 2024-05-25 12:06:44 INFO tclean::::casa ########################################## 2024-05-25 12:06:44 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:06:44 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:06:44 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:06:44 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:06:44 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:06:44 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:06:44 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:06:44 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:06:44 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:06:44 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:06:44 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:06:44 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:06:44 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:06:45 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:06:45 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.02383 2024-05-25 12:06:45 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:06:45 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:06:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:06:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:46 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:06:46 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:06:46 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:06:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:06:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:06:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:06:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:06:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:06:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:06:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:06:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:06:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:06:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:06:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:06:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:06:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:06:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:06:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:06:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:06:51 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:06:51 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:06:51 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:06:52 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:06:52 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:06:53 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:06:44.286097 End time: 2024-05-25 12:06:53.023888 2024-05-25 12:06:53 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:06:53 INFO tclean::::casa ########################################## 2024-05-25 12:06:53 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:06:53 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:53 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:06:53 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:06:53 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:06:53 2024****** 2024-05-25 12:06:53 INFO ImageFitter::fit+ 2024-05-25 12:06:53 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:06:53 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:06:53 INFO ImageFitter::fit+ --- region: 2024-05-25 12:06:53 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:06:53 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:06:53 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:06:53 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:06:53 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:06:53 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:06:53 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:53 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:06:53 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:06:53 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:06:53 INFO imstat::::casa ########################################## 2024-05-25 12:06:53 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:06:53 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:06:53 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:06:53 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:06:53 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:06:53 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:06:53 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:06:53 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:06:53 INFO imstat:::: Values --- 2024-05-25 12:06:53 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:06:53 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:06:53 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- minimum value [min]: -7.77795e-05 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:06:53 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:06:53 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:06:53 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:06:53 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:06:53 INFO imstat:::: Statistics --- 2024-05-25 12:06:53 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- Median of the pixel values [median]: -1.86702e-05 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- IQR [quartile]: 3.56029e-05 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- First quartile [q1]: -3.45082e-05 Jy/beam 2024-05-25 12:06:53 INFO imstat:::: -- Third quartile [q3]: 1.09472e-06 Jy/beam 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:06:53 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:06:53 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 2024-05-25 12:06:53 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:06:53.101175 End time: 2024-05-25 12:06:53.129221 2024-05-25 12:06:53 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:06:53 INFO imstat::::casa ########################################## 2024-05-25 12:06:53 INFO phaseshift::::casa ########################################## 2024-05-25 12:06:53 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:06:53 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 00:25:24.6496' ) 2024-05-25 12:06:53 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:06:53 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:06:53 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:06:53 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:06:53 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:06:53 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:06:53 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:06:53 INFO MSTransformManager::open Select data 2024-05-25 12:06:53 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 ".". 2024-05-25 12:06:55 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05:00:21.5326 00:25:24.6496 successfully parsed 2024-05-25 12:06:55 INFO phaseshift::::casa Shift phase center 2024-05-25 12:06:55 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:06:53.146992 End time: 2024-05-25 12:06:55.280888 2024-05-25 12:06:55 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:06:55 INFO phaseshift::::casa ########################################## 2024-05-25 12:06:55 INFO tclean::::casa ########################################## 2024-05-25 12:06:55 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:06:55 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:06:55 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:06:55 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:06:55 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:06:55 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:06:55 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:06:55 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:06:55 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:06:55 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:06:55 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:06:55 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:06:56 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:06:56 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:06:56 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.021905 2024-05-25 12:06:56 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:06:56 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:06:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:06:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:57 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:06:57 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:06:57 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:06:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:06:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:06:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:06:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:06:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:07:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:07:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:07:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:07:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:07:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:07:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:07:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:07:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:07:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:07:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:07:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:07:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:07:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:07:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:07:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:07:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:07:02 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:07:02 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:07:02 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:07:03 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:07:04 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:07:05 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:06:55.347466 End time: 2024-05-25 12:07:05.352049 2024-05-25 12:07:05 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:07:05 INFO tclean::::casa ########################################## 2024-05-25 12:07:05 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:07:05 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:05 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) 2024-05-25 12:07:05 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:07:05 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:07:05 2024****** 2024-05-25 12:07:05 INFO ImageFitter::fit+ 2024-05-25 12:07:05 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:07:05 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:07:05 INFO ImageFitter::fit+ --- region: 2024-05-25 12:07:05 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:07:05 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:07:05 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:07:05 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:07:05 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:07:05 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:07:05 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:05 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) 2024-05-25 12:07:05 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116907 Jy 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:07:05 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:07:05 INFO imstat::::casa ########################################## 2024-05-25 12:07:05 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:07:05 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 ) 2024-05-25 12:07:05 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:07:05 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:07:05 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:07:05 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:07:05 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:05 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) 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-05-25 12:07:05 INFO imstat:::: Values --- 2024-05-25 12:07:05 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:07:05 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:07:05 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- minimum value [min]: -7.78732e-05 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:07:05 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:07:05 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:07:05 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:07:05 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:07:05 INFO imstat:::: Statistics --- 2024-05-25 12:07:05 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- Median of the pixel values [median]: -1.86516e-05 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- IQR [quartile]: 3.56959e-05 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- First quartile [q1]: -3.45348e-05 Jy/beam 2024-05-25 12:07:05 INFO imstat:::: -- Third quartile [q3]: 1.16101e-06 Jy/beam 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:07:05 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:07:05 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 2024-05-25 12:07:05 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:07:05.432049 End time: 2024-05-25 12:07:05.465847 2024-05-25 12:07:05 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:07:05 INFO imstat::::casa ########################################## 2024-05-25 12:07:05 INFO phaseshift::::casa ########################################## 2024-05-25 12:07:05 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:07:05 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 6.352706472deg' ) 2024-05-25 12:07:05 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:07:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:07:05 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:07:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:07:06 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:07:06 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:07:06 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:07:06 INFO MSTransformManager::open Select data 2024-05-25 12:07:06 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:07:08 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05:00:21.5326 6.352706472deg successfully parsed 2024-05-25 12:07:08 INFO phaseshift::::casa Shift phase center 2024-05-25 12:07:08 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:07:05.483247 End time: 2024-05-25 12:07:08.470205 2024-05-25 12:07:08 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:07:08 INFO phaseshift::::casa ########################################## 2024-05-25 12:07:09 INFO tclean::::casa ########################################## 2024-05-25 12:07:09 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:07:09 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:07:09 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:07:09 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:07:09 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:07:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:07:09 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:07:09 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:07:09 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:07:09 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:07:09 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:07:09 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:07:09 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:07:10 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:07:10 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029125 2024-05-25 12:07:10 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:07:10 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:07:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:07:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:07:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:07:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:07:17 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:07:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:07:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:07:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:07:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:07:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:07:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:07:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:07:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:07:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:07:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:07:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:07:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:07:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:07:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:07:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:07:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:07:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:07:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:07:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:07:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:07:25 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:07:25 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:07:25 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:07:26 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:07:26 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:07:27 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:07:08.541447 End time: 2024-05-25 12:07:27.302628 2024-05-25 12:07:27 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:07:27 INFO tclean::::casa ########################################## 2024-05-25 12:07:27 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:07:27 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:27 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:07:27 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:07:27 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:07:27 2024****** 2024-05-25 12:07:27 INFO ImageFitter::fit+ 2024-05-25 12:07:27 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:07:27 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:07:27 INFO ImageFitter::fit+ --- region: 2024-05-25 12:07:27 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:07:27 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:07:27 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:07:27 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:07:27 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:07:27 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:07:27 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:27 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:07:27 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:07:27 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:07:27 INFO imstat::::casa ########################################## 2024-05-25 12:07:27 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:07:27 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 ) 2024-05-25 12:07:27 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:07:27 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:07:27 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:07:27 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:07:27 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:27 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:07:27 INFO imstat:::: Values --- 2024-05-25 12:07:27 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:07:27 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:07:27 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- minimum value [min]: -7.7777e-05 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:07:27 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:07:27 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:07:27 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:07:27 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:07:27 INFO imstat:::: Statistics --- 2024-05-25 12:07:27 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- IQR [quartile]: 3.56027e-05 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- First quartile [q1]: -3.45074e-05 Jy/beam 2024-05-25 12:07:27 INFO imstat:::: -- Third quartile [q3]: 1.09529e-06 Jy/beam 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:07:27 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:07:27 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 2024-05-25 12:07:27 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:07:27.384440 End time: 2024-05-25 12:07:27.414332 2024-05-25 12:07:27 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:07:27 INFO imstat::::casa ########################################## 2024-05-25 12:07:27 INFO phaseshift::::casa ########################################## 2024-05-25 12:07:27 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:07:27 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 0.110875644rad' ) 2024-05-25 12:07:27 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:07:27 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:07:27 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:07:27 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:07:27 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:07:27 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:07:27 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:07:27 INFO MSTransformManager::open Select data 2024-05-25 12:07:27 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:07:30 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05:00:21.5326 0.110875644rad successfully parsed 2024-05-25 12:07:30 INFO phaseshift::::casa Shift phase center 2024-05-25 12:07:31 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:07:27.432731 End time: 2024-05-25 12:07:30.703968 2024-05-25 12:07:31 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:07:31 INFO phaseshift::::casa ########################################## 2024-05-25 12:07:31 INFO tclean::::casa ########################################## 2024-05-25 12:07:31 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:07:31 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 ) 2024-05-25 12:07:31 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:07:31 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:07:31 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:07:31 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:07:31 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:07:31 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:07:31 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:07:31 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:07:31 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:07:31 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:07:31 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:07:32 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:07:32 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028695 2024-05-25 12:07:32 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:07:32 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:07:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:07:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:07:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:07:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:07:34 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:07:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:07:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:07:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:07:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:07:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:07:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:07:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:07:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:07:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:07:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:07:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:07:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:07:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:07:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:07:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:07:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:07:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:07:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:07:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:07:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:07:39 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:07:39 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:07:39 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:07:40 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:07:41 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:07:42 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:07:30.765736 End time: 2024-05-25 12:07:41.508814 2024-05-25 12:07:42 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:07:42 INFO tclean::::casa ########################################## 2024-05-25 12:07:42 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:07:42 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:42 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:07:42 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:07:42 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:07:42 2024****** 2024-05-25 12:07:42 INFO ImageFitter::fit+ 2024-05-25 12:07:42 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:07:42 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:07:42 INFO ImageFitter::fit+ --- region: 2024-05-25 12:07:42 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:07:42 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:07:42 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:07:42 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:07:42 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:07:42 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:07:42 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:42 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:07:42 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:07:42 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:07:42 INFO imstat::::casa ########################################## 2024-05-25 12:07:42 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:07:42 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:07:42 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:07:42 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:07:42 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:07:42 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:07:42 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:42 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:07:42 INFO imstat:::: Values --- 2024-05-25 12:07:42 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:07:42 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:07:42 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- minimum value [min]: -7.77849e-05 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:07:42 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 12:07:42 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:07:42 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 12:07:42 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:07:42 INFO imstat:::: Statistics --- 2024-05-25 12:07:42 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- IQR [quartile]: 3.56016e-05 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- First quartile [q1]: -3.45087e-05 Jy/beam 2024-05-25 12:07:42 INFO imstat:::: -- Third quartile [q3]: 1.0929e-06 Jy/beam 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:07:42 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:07:42 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 2024-05-25 12:07:42 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:07:41.594324 End time: 2024-05-25 12:07:41.625006 2024-05-25 12:07:42 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:07:42 INFO imstat::::casa ########################################## 2024-05-25 12:07:42 INFO phaseshift::::casa ########################################## 2024-05-25 12:07:42 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:07:42 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg +006d21m09.7433' ) 2024-05-25 12:07:42 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:07:42 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:07:42 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:07:42 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:07:42 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:07:42 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:07:42 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:07:42 INFO MSTransformManager::open Select data 2024-05-25 12:07:42 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:07:44 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 75.089719167deg +006d21m09.7433 successfully parsed 2024-05-25 12:07:44 INFO phaseshift::::casa Shift phase center 2024-05-25 12:07:45 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:07:41.643030 End time: 2024-05-25 12:07:45.003175 2024-05-25 12:07:45 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:07:45 INFO phaseshift::::casa ########################################## 2024-05-25 12:07:45 INFO tclean::::casa ########################################## 2024-05-25 12:07:45 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:07:45 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 ) 2024-05-25 12:07:45 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:07:45 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:07:45 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:07:45 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:07:45 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:07:45 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:07:45 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:07:45 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:07:45 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:07:45 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:07:45 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:07:46 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:07:46 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018054 2024-05-25 12:07:46 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:07:46 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:07:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:07:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:07:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:07:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:07:52 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:07:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:07:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:07:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:07:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:07:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:07:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:07:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:07:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:07:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:07:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:07:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:07:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:07:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:07:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:07:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:07:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:07:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:07:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:07:55 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:07:55 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:07:55 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:07:55 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:07:56 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:07:57 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:07:45.059759 End time: 2024-05-25 12:07:56.730699 2024-05-25 12:07:57 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:07:57 INFO tclean::::casa ########################################## 2024-05-25 12:07:57 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:07:57 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:57 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:07:57 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:07:57 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:07:57 2024****** 2024-05-25 12:07:57 INFO ImageFitter::fit+ 2024-05-25 12:07:57 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:07:57 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:07:57 INFO ImageFitter::fit+ --- region: 2024-05-25 12:07:57 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:07:57 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:07:57 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:07:57 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:07:57 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:07:57 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:07:57 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:57 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:07:57 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116867 Jy 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126483 Jy 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- dec: 127.999996 +/- 0.000097 pixels 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:07:57 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:07:57 INFO imstat::::casa ########################################## 2024-05-25 12:07:57 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:07:57 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:07:57 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:07:57 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:07:57 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:07:57 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:07:57 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:07:57 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:07:57 INFO imstat:::: Values --- 2024-05-25 12:07:57 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:07:57 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:07:57 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- minimum value [min]: -7.77768e-05 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:07:57 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:07:57 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:07:57 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:07:57 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:07:57 INFO imstat:::: Statistics --- 2024-05-25 12:07:57 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73609e-05 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- IQR [quartile]: 3.56013e-05 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- First quartile [q1]: -3.4507e-05 Jy/beam 2024-05-25 12:07:57 INFO imstat:::: -- Third quartile [q3]: 1.09435e-06 Jy/beam 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:07:57 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:07:57 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 2024-05-25 12:07:57 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:07:56.816425 End time: 2024-05-25 12:07:56.855017 2024-05-25 12:07:57 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:07:57 INFO imstat::::casa ########################################## 2024-05-25 12:07:57 INFO phaseshift::::casa ########################################## 2024-05-25 12:07:57 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:07:57 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 00:25:24.6496' ) 2024-05-25 12:07:57 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:07:57 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:07:57 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:07:57 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:07:57 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:07:57 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:07:57 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:07:57 INFO MSTransformManager::open Select data 2024-05-25 12:07:57 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 ".". 2024-05-25 12:07:59 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 75.089719167deg 00:25:24.6496 successfully parsed 2024-05-25 12:07:59 INFO phaseshift::::casa Shift phase center 2024-05-25 12:08:00 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:07:56.884421 End time: 2024-05-25 12:07:59.987316 2024-05-25 12:08:00 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:08:00 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:00 INFO tclean::::casa ########################################## 2024-05-25 12:08:00 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:08:00 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:08:00 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:08:00 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:08:00 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:08:00 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:08:00 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:08:00 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:08:00 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:08:00 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:08:00 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:08:00 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:08:00 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:08:01 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:08:01 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016942 2024-05-25 12:08:01 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:01 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:08:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:08:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:02 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:08:02 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:08:02 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:08:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:08:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:08:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:08:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:08:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:08:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:08:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:08:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:08:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:08:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:08:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:08:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:08:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:08:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:08:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:08:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:08:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:08:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:08:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:08:06 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:08:06 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:08:06 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:08:06 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:06 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:08:07 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:08:00.028665 End time: 2024-05-25 12:08:06.783520 2024-05-25 12:08:07 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:08:07 INFO tclean::::casa ########################################## 2024-05-25 12:08:07 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:08:07 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:07 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) 2024-05-25 12:08:07 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:08:07 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:08:07 2024****** 2024-05-25 12:08:07 INFO ImageFitter::fit+ 2024-05-25 12:08:07 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:08:07 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:08:07 INFO ImageFitter::fit+ --- region: 2024-05-25 12:08:07 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:08:07 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:08:07 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:08:07 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:08:07 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:08:07 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:08:07 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:07 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) 2024-05-25 12:08:07 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116903 Jy 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126517 Jy 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:08:07 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:08:07 INFO imstat::::casa ########################################## 2024-05-25 12:08:07 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:08:07 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 ) 2024-05-25 12:08:07 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:08:07 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:08:07 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:08:07 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:08:07 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:07 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) 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-05-25 12:08:07 INFO imstat:::: Values --- 2024-05-25 12:08:07 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:08:07 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:08:07 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- minimum value [min]: -7.78731e-05 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:08:07 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:08:07 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:08:07 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:08:07 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:08:07 INFO imstat:::: Statistics --- 2024-05-25 12:08:07 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- Median of the pixel values [median]: -1.86503e-05 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73798e-05 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- IQR [quartile]: 3.56966e-05 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- First quartile [q1]: -3.45352e-05 Jy/beam 2024-05-25 12:08:07 INFO imstat:::: -- Third quartile [q3]: 1.16146e-06 Jy/beam 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:08:07 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:08:07 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 2024-05-25 12:08:07 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:08:06.836392 End time: 2024-05-25 12:08:06.865883 2024-05-25 12:08:07 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:08:07 INFO imstat::::casa ########################################## 2024-05-25 12:08:07 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:08:07 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 6.352706472deg' ) 2024-05-25 12:08:07 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:08:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:08:07 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:08:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:08:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:08:07 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:08:07 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:08:07 INFO MSTransformManager::open Select data 2024-05-25 12:08:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:08:08 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 75.089719167deg 6.352706472deg successfully parsed 2024-05-25 12:08:08 INFO phaseshift::::casa Shift phase center 2024-05-25 12:08:09 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:08:06.878942 End time: 2024-05-25 12:08:08.995176 2024-05-25 12:08:09 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:08:09 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:09 INFO tclean::::casa ########################################## 2024-05-25 12:08:09 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:08:09 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:08:09 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:08:09 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:08:09 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:08:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:08:09 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:08:09 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:08:09 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:08:09 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:08:09 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:08:09 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:08:09 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:08:10 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:08:10 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029359 2024-05-25 12:08:10 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:10 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:08:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:08:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:08:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:08:11 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:08:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:08:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:08:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:08:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:08:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:08:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:08:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:08:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:08:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:08:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:08:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:08:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:08:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:08:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:08:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:08:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:08:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:08:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:08:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:08:16 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:08:16 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:08:16 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:08:17 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:18 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:08:18 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:08:09.039214 End time: 2024-05-25 12:08:18.278952 2024-05-25 12:08:18 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:08:18 INFO tclean::::casa ########################################## 2024-05-25 12:08:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:08:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:18 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:08:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:08:18 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:08:18 2024****** 2024-05-25 12:08:18 INFO ImageFitter::fit+ 2024-05-25 12:08:18 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:08:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:08:18 INFO ImageFitter::fit+ --- region: 2024-05-25 12:08:18 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:08:18 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:08:18 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:08:18 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:08:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:08:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:08:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:18 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:08:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011687 Jy 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- dec: 127.999996 +/- 0.000097 pixels 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:08:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:08:18 INFO imstat::::casa ########################################## 2024-05-25 12:08:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:08:18 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:08:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:08:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:08:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:08:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:08:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:18 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:08:18 INFO imstat:::: Values --- 2024-05-25 12:08:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:08:18 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:08:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- minimum value [min]: -7.77771e-05 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:08:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:08:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:08:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:08:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:08:18 INFO imstat:::: Statistics --- 2024-05-25 12:08:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86715e-05 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73619e-05 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- IQR [quartile]: 3.56021e-05 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- First quartile [q1]: -3.45061e-05 Jy/beam 2024-05-25 12:08:18 INFO imstat:::: -- Third quartile [q3]: 1.09605e-06 Jy/beam 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:08:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:08:18 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 2024-05-25 12:08:18 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:08:18.357382 End time: 2024-05-25 12:08:18.387064 2024-05-25 12:08:18 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:08:18 INFO imstat::::casa ########################################## 2024-05-25 12:08:18 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:08:18 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 0.110875644rad' ) 2024-05-25 12:08:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:08:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:08:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:08:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:08:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:08:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:08:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:08:18 INFO MSTransformManager::open Select data 2024-05-25 12:08:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:08:20 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 75.089719167deg 0.110875644rad successfully parsed 2024-05-25 12:08:20 INFO phaseshift::::casa Shift phase center 2024-05-25 12:08:21 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:08:18.404462 End time: 2024-05-25 12:08:20.760018 2024-05-25 12:08:21 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:08:21 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:21 INFO tclean::::casa ########################################## 2024-05-25 12:08:21 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:08:21 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:08:21 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:08:21 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:08:21 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:08:21 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:08:21 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:08:21 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:08:21 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:08:21 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:08:21 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:08:21 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:08:21 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:08:22 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:08:22 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01649 2024-05-25 12:08:22 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:22 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:08:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:08:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:08:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:08:24 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:08:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:08:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:08:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:08:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:08:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:08:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:08:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:08:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:08:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:08:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:08:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:08:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:08:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:08:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:08:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:08:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:08:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:08:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:08:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:08:28 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:08:28 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:08:28 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:08:28 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:28 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:08:29 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:08:20.824039 End time: 2024-05-25 12:08:28.948990 2024-05-25 12:08:29 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:08:29 INFO tclean::::casa ########################################## 2024-05-25 12:08:29 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:08:29 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:29 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) 2024-05-25 12:08:29 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:08:29 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:08:29 2024****** 2024-05-25 12:08:29 INFO ImageFitter::fit+ 2024-05-25 12:08:29 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:08:29 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:08:29 INFO ImageFitter::fit+ --- region: 2024-05-25 12:08:29 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:08:29 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:08:29 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:08:29 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:08:29 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:08:29 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:08:29 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:29 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) 2024-05-25 12:08:29 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126482 Jy 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:08:29 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:08:29 INFO imstat::::casa ########################################## 2024-05-25 12:08:29 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:08:29 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 ) 2024-05-25 12:08:29 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:08:29 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:08:29 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:08:29 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:08:29 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:29 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) 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:08:29 INFO imstat:::: Values --- 2024-05-25 12:08:29 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:08:29 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:08:29 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- minimum value [min]: -7.77855e-05 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:08:29 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 12:08:29 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:08:29 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 12:08:29 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:08:29 INFO imstat:::: Statistics --- 2024-05-25 12:08:29 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- Median of the pixel values [median]: -1.86732e-05 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73562e-05 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- IQR [quartile]: 3.56008e-05 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- First quartile [q1]: -3.45107e-05 Jy/beam 2024-05-25 12:08:29 INFO imstat:::: -- Third quartile [q3]: 1.09015e-06 Jy/beam 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:08:29 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:08:29 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 2024-05-25 12:08:29 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:08:29.023234 End time: 2024-05-25 12:08:29.051229 2024-05-25 12:08:29 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:08:29 INFO imstat::::casa ########################################## 2024-05-25 12:08:29 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:29 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:08:29 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad +006d21m09.7433' ) 2024-05-25 12:08:29 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:08:29 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:08:29 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:08:29 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:08:29 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:08:29 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:08:29 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:08:29 INFO MSTransformManager::open Select data 2024-05-25 12:08:29 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:08:30 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 1.310562834rad +006d21m09.7433 successfully parsed 2024-05-25 12:08:30 INFO phaseshift::::casa Shift phase center 2024-05-25 12:08:31 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:08:29.068559 End time: 2024-05-25 12:08:31.076857 2024-05-25 12:08:31 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:08:31 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:31 INFO tclean::::casa ########################################## 2024-05-25 12:08:31 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:08:31 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 ) 2024-05-25 12:08:31 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:08:31 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:08:31 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:08:31 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:08:31 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:08:31 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:08:31 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:08:31 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:08:31 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:08:31 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:08:31 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:08:32 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:08:32 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.02051 2024-05-25 12:08:32 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:32 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:08:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:08:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:08:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:08:33 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:08:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:08:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:08:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:08:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:08:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:08:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:08:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:08:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:08:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:08:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:08:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:08:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:08:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:08:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:08:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:08:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:08:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:08:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:08:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:08:37 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:08:37 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:08:37 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:08:37 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:38 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:08:39 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:08:31.140394 End time: 2024-05-25 12:08:38.653179 2024-05-25 12:08:39 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:08:39 INFO tclean::::casa ########################################## 2024-05-25 12:08:39 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:08:39 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:39 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:08:39 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:08:39 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:08:39 2024****** 2024-05-25 12:08:39 INFO ImageFitter::fit+ 2024-05-25 12:08:39 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:08:39 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:08:39 INFO ImageFitter::fit+ --- region: 2024-05-25 12:08:39 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:08:39 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:08:39 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:08:39 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:08:39 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:08:39 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:08:39 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:39 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) 2024-05-25 12:08:39 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000006 +/- 0.000777 arcsec 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- ra: 128.000007 +/- 0.000127 pixels 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- dec: 127.999994 +/- 0.000097 pixels 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:08:39 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:08:39 INFO imstat::::casa ########################################## 2024-05-25 12:08:39 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:08:39 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:08:39 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:08:39 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:08:39 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:08:39 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:08:39 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:39 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:08:39 INFO imstat:::: Values --- 2024-05-25 12:08:39 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:08:39 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:08:39 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:08:39 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:08:39 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:08:39 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:08:39 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:08:39 INFO imstat:::: Statistics --- 2024-05-25 12:08:39 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- Median of the pixel values [median]: -1.86669e-05 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73635e-05 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- IQR [quartile]: 3.56081e-05 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- First quartile [q1]: -3.45085e-05 Jy/beam 2024-05-25 12:08:39 INFO imstat:::: -- Third quartile [q3]: 1.09959e-06 Jy/beam 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:08:39 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:08:39 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 2024-05-25 12:08:39 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:08:38.725912 End time: 2024-05-25 12:08:38.753958 2024-05-25 12:08:39 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:08:39 INFO imstat::::casa ########################################## 2024-05-25 12:08:39 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:39 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:08:39 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 00:25:24.6496' ) 2024-05-25 12:08:39 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:08:39 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:08:39 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:08:39 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:08:39 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:08:39 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:08:39 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:08:39 INFO MSTransformManager::open Select data 2024-05-25 12:08:39 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 ".". 2024-05-25 12:08:40 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 1.310562834rad 00:25:24.6496 successfully parsed 2024-05-25 12:08:40 INFO phaseshift::::casa Shift phase center 2024-05-25 12:08:41 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:08:38.771419 End time: 2024-05-25 12:08:41.148827 2024-05-25 12:08:41 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:08:41 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:41 INFO tclean::::casa ########################################## 2024-05-25 12:08:41 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:08:41 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:08:41 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:08:41 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:08:41 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:08:41 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:08:41 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:08:41 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:08:41 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:08:41 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:08:41 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:08:41 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:08:41 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:08:42 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:08:42 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016298 2024-05-25 12:08:42 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:42 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:08:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:08:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:08:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:08:44 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:08:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:08:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:08:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:08:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:08:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:08:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:08:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:08:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:08:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:08:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:08:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:08:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:08:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:08:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:08:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:08:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:08:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:08:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:08:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:08:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:08:47 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:08:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:08:48 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:48 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:08:49 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:08:41.213142 End time: 2024-05-25 12:08:48.837361 2024-05-25 12:08:49 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:08:49 INFO tclean::::casa ########################################## 2024-05-25 12:08:49 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:08:49 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:49 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:08:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:08:49 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:08:49 2024****** 2024-05-25 12:08:49 INFO ImageFitter::fit+ 2024-05-25 12:08:49 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:08:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:08:49 INFO ImageFitter::fit+ --- region: 2024-05-25 12:08:49 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:08:49 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:08:49 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:08:49 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:08:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:08:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:08:49 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:49 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:08:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116905 Jy 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000041 +/- 0.000777 arcsec 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- ra: 127.999941 +/- 0.000127 pixels 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- dec: 127.999954 +/- 0.000097 pixels 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:08:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:08:49 INFO imstat::::casa ########################################## 2024-05-25 12:08:49 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:08:49 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 ) 2024-05-25 12:08:49 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:08:49 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:08:49 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:08:49 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:08:49 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:49 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) 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-05-25 12:08:49 INFO imstat:::: Values --- 2024-05-25 12:08:49 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:08:49 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:08:49 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- minimum value [min]: -7.78774e-05 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:08:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:08:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:08:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:08:49 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:08:49 INFO imstat:::: Statistics --- 2024-05-25 12:08:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- Median of the pixel values [median]: -1.86532e-05 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73779e-05 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- IQR [quartile]: 3.5701e-05 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- First quartile [q1]: -3.45356e-05 Jy/beam 2024-05-25 12:08:49 INFO imstat:::: -- Third quartile [q3]: 1.16544e-06 Jy/beam 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:08:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:08:49 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 2024-05-25 12:08:49 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:08:48.920540 End time: 2024-05-25 12:08:48.950692 2024-05-25 12:08:49 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:08:49 INFO imstat::::casa ########################################## 2024-05-25 12:08:49 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:08:49 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 6.352706472deg' ) 2024-05-25 12:08:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:08:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:08:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:08:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:08:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:08:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:08:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:08:49 INFO MSTransformManager::open Select data 2024-05-25 12:08:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:08:51 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 1.310562834rad 6.352706472deg successfully parsed 2024-05-25 12:08:51 INFO phaseshift::::casa Shift phase center 2024-05-25 12:08:52 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:08:48.968483 End time: 2024-05-25 12:08:51.518002 2024-05-25 12:08:52 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:08:52 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:52 INFO tclean::::casa ########################################## 2024-05-25 12:08:52 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:08:52 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:08:52 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:08:52 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:08:52 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:08:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:08:52 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:08:52 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:08:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:08:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:08:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:08:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:08:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:08:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:08:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018014 2024-05-25 12:08:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:08:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:08:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:08:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:08:54 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:08:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:08:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:08:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:08:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:08:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:08:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:08:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:08:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:08:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:08:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:08:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:08:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:08:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:08:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:08:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:08:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:08:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:08:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:08:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:08:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:08:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:08:58 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:08:58 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:08:58 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:08:58 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:08:58 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:08:59 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:08:51.563112 End time: 2024-05-25 12:08:59.313844 2024-05-25 12:08:59 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:08:59 INFO tclean::::casa ########################################## 2024-05-25 12:08:59 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:08:59 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:59 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:08:59 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:08:59 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:08:59 2024****** 2024-05-25 12:08:59 INFO ImageFitter::fit+ 2024-05-25 12:08:59 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:08:59 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:08:59 INFO ImageFitter::fit+ --- region: 2024-05-25 12:08:59 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:08:59 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:08:59 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:08:59 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:08:59 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:08:59 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:08:59 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:59 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:08:59 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000006 +/- 0.000777 arcsec 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- ra: 128.000007 +/- 0.000127 pixels 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- dec: 127.999994 +/- 0.000097 pixels 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:08:59 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:08:59 INFO imstat::::casa ########################################## 2024-05-25 12:08:59 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:08:59 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:08:59 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:08:59 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:08:59 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:08:59 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:08:59 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:08:59 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:08:59 INFO imstat:::: Values --- 2024-05-25 12:08:59 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:08:59 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:08:59 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- minimum value [min]: -7.77798e-05 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:08:59 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:08:59 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:08:59 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:08:59 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:08:59 INFO imstat:::: Statistics --- 2024-05-25 12:08:59 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- Median of the pixel values [median]: -1.86675e-05 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73645e-05 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- IQR [quartile]: 3.56077e-05 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- First quartile [q1]: -3.45073e-05 Jy/beam 2024-05-25 12:08:59 INFO imstat:::: -- Third quartile [q3]: 1.1004e-06 Jy/beam 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:08:59 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:08:59 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 2024-05-25 12:08:59 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:08:59.397306 End time: 2024-05-25 12:08:59.427820 2024-05-25 12:08:59 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:08:59 INFO imstat::::casa ########################################## 2024-05-25 12:08:59 INFO phaseshift::::casa ########################################## 2024-05-25 12:08:59 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:08:59 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 0.110875644rad' ) 2024-05-25 12:08:59 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:08:59 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:08:59 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:08:59 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:08:59 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:08:59 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:08:59 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:08:59 INFO MSTransformManager::open Select data 2024-05-25 12:08:59 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:09:02 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 1.310562834rad 0.110875644rad successfully parsed 2024-05-25 12:09:02 INFO phaseshift::::casa Shift phase center 2024-05-25 12:09:03 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:08:59.446409 End time: 2024-05-25 12:09:02.595502 2024-05-25 12:09:03 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:09:03 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:03 INFO tclean::::casa ########################################## 2024-05-25 12:09:03 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:09:03 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:09:03 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:09:03 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:09:03 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:09:03 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:09:03 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:09:03 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:09:03 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:09:03 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:09:03 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:09:03 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:09:03 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:09:03 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:09:03 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016033 2024-05-25 12:09:03 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:03 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:09:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:09:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:09:05 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:09:05 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:09:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:09:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:09:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:09:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:09:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:09:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:09:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:09:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:09:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:09:07 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:09:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:09:07 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:09:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:09:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:09:07 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:09:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:09:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:09:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:09:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:09:08 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:09:08 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:09:08 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:09:08 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:09 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:09:09 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:09:02.662059 End time: 2024-05-25 12:09:09.313954 2024-05-25 12:09:09 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:09:09 INFO tclean::::casa ########################################## 2024-05-25 12:09:09 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:09:09 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:09 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:09:09 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:09:09 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:09:09 2024****** 2024-05-25 12:09:09 INFO ImageFitter::fit+ 2024-05-25 12:09:09 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:09:09 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:09:09 INFO ImageFitter::fit+ --- region: 2024-05-25 12:09:09 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:09:09 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:09:09 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:09:09 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:09:09 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:09:09 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:09:09 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:09 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:09:09 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000002 +/- 0.000777 arcsec 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- ra: 128.000014 +/- 0.000127 pixels 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- dec: 127.999998 +/- 0.000097 pixels 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:09:09 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:09:09 INFO imstat::::casa ########################################## 2024-05-25 12:09:09 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:09:09 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:09:09 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:09:09 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:09:09 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:09:09 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:09:09 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:09 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) 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:09:09 INFO imstat:::: Values --- 2024-05-25 12:09:09 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:09:09 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:09:09 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- minimum value [min]: -7.77816e-05 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:09:09 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 12:09:09 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:09:09 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 12:09:09 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:09:09 INFO imstat:::: Statistics --- 2024-05-25 12:09:09 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- Median of the pixel values [median]: -1.8676e-05 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73584e-05 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- IQR [quartile]: 3.56038e-05 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- First quartile [q1]: -3.45104e-05 Jy/beam 2024-05-25 12:09:09 INFO imstat:::: -- Third quartile [q3]: 1.09331e-06 Jy/beam 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:09:09 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:09:09 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 2024-05-25 12:09:09 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:09:09.387959 End time: 2024-05-25 12:09:09.415743 2024-05-25 12:09:09 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:09:09 INFO imstat::::casa ########################################## 2024-05-25 12:09:09 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:09 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:09:09 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39d58m05.8512' ) 2024-05-25 12:09:09 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:09:09 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:09:09 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:09:09 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:09:09 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:09:09 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:09:09 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:09:09 INFO MSTransformManager::open Select data 2024-05-25 12:09:09 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:09:11 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19h52m05.65239 39d58m05.8512 successfully parsed 2024-05-25 12:09:11 INFO phaseshift::::casa Shift phase center 2024-05-25 12:09:12 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:09:09.433658 End time: 2024-05-25 12:09:12.216545 2024-05-25 12:09:12 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:09:12 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:12 INFO tclean::::casa ########################################## 2024-05-25 12:09:12 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:09:12 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 ) 2024-05-25 12:09:12 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:09:12 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:09:12 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:09:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:09:12 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:09:12 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:09:12 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:09:12 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:09:12 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:09:12 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:09:12 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:09:13 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:09:13 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026304 2024-05-25 12:09:13 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:13 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:09:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:09:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:14 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:09:14 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:09:15 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:09:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:09:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:09:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:09:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:09:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:09:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:09:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:09:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:09:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:09:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:09:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:09:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:09:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:09:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:09:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:09:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:09:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:09:18 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:09:18 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:09:18 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:09:19 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:19 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:09:20 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:09:12.283475 End time: 2024-05-25 12:09:19.501462 2024-05-25 12:09:20 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:09:20 INFO tclean::::casa ########################################## 2024-05-25 12:09:20 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:09:20 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:20 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) 2024-05-25 12:09:20 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:09:20 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:09:20 2024****** 2024-05-25 12:09:20 INFO ImageFitter::fit+ 2024-05-25 12:09:20 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:09:20 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:09:20 INFO ImageFitter::fit+ --- region: 2024-05-25 12:09:20 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:09:20 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:09:20 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:09:20 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:09:20 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:09:20 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:09:20 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:20 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) 2024-05-25 12:09:20 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:09:20 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:09:20 INFO imstat::::casa ########################################## 2024-05-25 12:09:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:09:20 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 ) 2024-05-25 12:09:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:09:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:09:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:09:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:09:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:20 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) 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:09:20 INFO imstat:::: Values --- 2024-05-25 12:09:20 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:09:20 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:09:20 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:09:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:09:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:09:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:09:20 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:09:20 INFO imstat:::: Statistics --- 2024-05-25 12:09:20 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2024-05-25 12:09:20 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:09:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:09:20 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 2024-05-25 12:09:20 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:09:19.559163 End time: 2024-05-25 12:09:19.583793 2024-05-25 12:09:20 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:09:20 INFO imstat::::casa ########################################## 2024-05-25 12:09:20 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:09:20 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 19h52m05.65239 02:39:52.3901' ) 2024-05-25 12:09:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:09:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:09:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:09:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:09:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:09:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:09:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:09:20 INFO MSTransformManager::open Select data 2024-05-25 12:09:20 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 ".". 2024-05-25 12:09:21 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19h52m05.65239 02:39:52.3901 successfully parsed 2024-05-25 12:09:21 INFO phaseshift::::casa Shift phase center 2024-05-25 12:09:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:09:19.598924 End time: 2024-05-25 12:09:21.837156 2024-05-25 12:09:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:09:22 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:22 INFO tclean::::casa ########################################## 2024-05-25 12:09:22 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:09:22 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:09:22 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:09:22 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:09:22 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:09:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:09:22 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:09:22 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:09:22 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:09:22 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:09:22 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:09:22 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:09:22 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:09:23 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:09:23 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.015469 2024-05-25 12:09:23 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:23 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:09:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:09:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:09:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:09:24 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:09:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:09:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:09:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:09:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:09:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:09:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:09:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:09:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:09:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:09:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:09:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:09:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:09:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:09:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:09:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:09:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:09:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:09:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:09:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:09:27 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:09:27 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:09:27 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:09:28 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:28 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:09:29 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:09:21.888994 End time: 2024-05-25 12:09:28.646296 2024-05-25 12:09:29 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:09:29 INFO tclean::::casa ########################################## 2024-05-25 12:09:29 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:09:29 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:29 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:09:29 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:09:29 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:09:29 2024****** 2024-05-25 12:09:29 INFO ImageFitter::fit+ 2024-05-25 12:09:29 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:09:29 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:09:29 INFO ImageFitter::fit+ --- region: 2024-05-25 12:09:29 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:09:29 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:09:29 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:09:29 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:09:29 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:09:29 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:09:29 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:29 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:09:29 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011688 Jy 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:09:29 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:09:29 INFO imstat::::casa ########################################## 2024-05-25 12:09:29 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:09:29 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:09:29 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:09:29 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:09:29 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:09:29 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:09:29 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:29 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) 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-05-25 12:09:29 INFO imstat:::: Values --- 2024-05-25 12:09:29 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:09:29 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:09:29 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- minimum value [min]: -7.78225e-05 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:09:29 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:09:29 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:09:29 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:09:29 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:09:29 INFO imstat:::: Statistics --- 2024-05-25 12:09:29 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- Median of the pixel values [median]: -1.86781e-05 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- IQR [quartile]: 3.56365e-05 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- First quartile [q1]: -3.45278e-05 Jy/beam 2024-05-25 12:09:29 INFO imstat:::: -- Third quartile [q3]: 1.10869e-06 Jy/beam 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:09:29 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:09:29 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 2024-05-25 12:09:29 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:09:28.708665 End time: 2024-05-25 12:09:28.733373 2024-05-25 12:09:29 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:09:29 INFO imstat::::casa ########################################## 2024-05-25 12:09:29 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:29 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:09:29 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39.968292000deg' ) 2024-05-25 12:09:29 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:09:29 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:09:29 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:09:29 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:09:29 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:09:29 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:09:29 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:09:29 INFO MSTransformManager::open Select data 2024-05-25 12:09:29 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:09:31 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19h52m05.65239 39.968292000deg successfully parsed 2024-05-25 12:09:31 INFO phaseshift::::casa Shift phase center 2024-05-25 12:09:31 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:09:28.749006 End time: 2024-05-25 12:09:31.495647 2024-05-25 12:09:31 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:09:31 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:32 INFO tclean::::casa ########################################## 2024-05-25 12:09:32 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:09:32 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:09:32 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:09:32 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:09:32 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:09:32 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:09:32 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:09:32 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:09:32 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:09:32 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:09:32 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:09:32 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:09:32 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:09:33 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:09:33 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.017646 2024-05-25 12:09:33 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:33 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:09:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:09:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:09:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:09:34 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:09:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:09:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:09:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:09:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:09:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:09:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:09:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:09:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:09:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:09:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:09:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:09:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:09:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:09:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:09:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:09:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:09:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:09:38 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:09:38 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:09:38 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:09:38 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:38 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:09:39 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:09:31.568432 End time: 2024-05-25 12:09:39.201127 2024-05-25 12:09:39 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:09:39 INFO tclean::::casa ########################################## 2024-05-25 12:09:39 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:09:39 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:39 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:09:39 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:09:39 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:09:39 2024****** 2024-05-25 12:09:39 INFO ImageFitter::fit+ 2024-05-25 12:09:39 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:09:39 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:09:39 INFO ImageFitter::fit+ --- region: 2024-05-25 12:09:39 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:09:39 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:09:39 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:09:39 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:09:39 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:09:39 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:09:39 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:39 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:09:39 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:09:39 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:09:39 INFO imstat::::casa ########################################## 2024-05-25 12:09:39 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:09:39 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:09:39 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:09:39 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:09:39 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:09:39 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:09:39 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:39 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:09:39 INFO imstat:::: Values --- 2024-05-25 12:09:39 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:09:39 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:09:39 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:09:39 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:09:39 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:09:39 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:09:39 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:09:39 INFO imstat:::: Statistics --- 2024-05-25 12:09:39 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2024-05-25 12:09:39 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:09:39 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778264e-05 4.999996e+00 2024-05-25 12:09:39 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:09:39.255928 End time: 2024-05-25 12:09:39.275253 2024-05-25 12:09:39 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:09:39 INFO imstat::::casa ########################################## 2024-05-25 12:09:39 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:39 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:09:39 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 0.697578292rad' ) 2024-05-25 12:09:39 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:09:39 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:09:39 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:09:39 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:09:39 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:09:39 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:09:39 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:09:39 INFO MSTransformManager::open Select data 2024-05-25 12:09:39 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:09:41 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19h52m05.65239 0.697578292rad successfully parsed 2024-05-25 12:09:41 INFO phaseshift::::casa Shift phase center 2024-05-25 12:09:42 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:09:39.287652 End time: 2024-05-25 12:09:41.603537 2024-05-25 12:09:42 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:09:42 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:42 INFO tclean::::casa ########################################## 2024-05-25 12:09:42 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:09:42 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:09:42 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:09:42 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:09:42 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:09:42 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:09:42 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:09:42 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:09:42 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:09:42 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:09:42 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:09:42 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:09:42 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:09:42 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:09:42 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016703 2024-05-25 12:09:42 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:42 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:09:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:09:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:09:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:09:44 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:09:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:09:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:09:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:09:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:09:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:09:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:09:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:09:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:09:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:09:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:09:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:09:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:09:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:09:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:09:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:09:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:09:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:09:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:09:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:09:47 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:09:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:09:47 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:48 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:09:48 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:09:41.667516 End time: 2024-05-25 12:09:48.304639 2024-05-25 12:09:48 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:09:48 INFO tclean::::casa ########################################## 2024-05-25 12:09:48 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:09:48 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:48 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:09:48 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:09:48 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:09:48 2024****** 2024-05-25 12:09:48 INFO ImageFitter::fit+ 2024-05-25 12:09:48 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:09:48 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:09:48 INFO ImageFitter::fit+ --- region: 2024-05-25 12:09:48 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:09:48 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:09:48 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:09:48 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:09:48 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:09:48 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:09:48 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:48 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:09:48 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:09:48 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:09:48 INFO imstat::::casa ########################################## 2024-05-25 12:09:48 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:09:48 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:09:48 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:09:48 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:09:48 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:09:48 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:09:48 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:48 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:09:48 INFO imstat:::: Values --- 2024-05-25 12:09:48 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:09:48 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:09:48 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- minimum value [min]: -7.7789e-05 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:09:48 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:09:48 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:09:48 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:09:48 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:09:48 INFO imstat:::: Statistics --- 2024-05-25 12:09:48 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- Median of the pixel values [median]: -1.86647e-05 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- IQR [quartile]: 3.56182e-05 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- First quartile [q1]: -3.45079e-05 Jy/beam 2024-05-25 12:09:48 INFO imstat:::: -- Third quartile [q3]: 1.11022e-06 Jy/beam 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:09:48 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778897e-05 4.999996e+00 2024-05-25 12:09:48 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:09:48.366247 End time: 2024-05-25 12:09:48.390695 2024-05-25 12:09:48 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:09:48 INFO imstat::::casa ########################################## 2024-05-25 12:09:48 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:09:48 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39d58m05.8512' ) 2024-05-25 12:09:48 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:09:48 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:09:48 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:09:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:09:48 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:09:48 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:09:48 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:09:48 INFO MSTransformManager::open Select data 2024-05-25 12:09:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:09:50 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19:52:05.6524 39d58m05.8512 successfully parsed 2024-05-25 12:09:50 INFO phaseshift::::casa Shift phase center 2024-05-25 12:09:50 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:09:48.405949 End time: 2024-05-25 12:09:50.467498 2024-05-25 12:09:50 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:09:50 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:51 INFO tclean::::casa ########################################## 2024-05-25 12:09:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:09:51 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 ) 2024-05-25 12:09:51 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:09:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:09:51 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:09:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:09:51 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:09:51 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:09:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:09:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:09:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:09:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:09:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:09:51 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:09:51 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.023764 2024-05-25 12:09:51 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:51 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:09:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:09:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:09:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:09:53 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:09:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:09:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:09:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:09:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:09:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:09:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:09:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:09:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:09:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:09:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:09:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:09:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:09:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:09:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:09:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:09:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:09:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:09:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:09:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:09:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:09:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:09:56 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:09:56 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:09:56 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:09:57 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:09:57 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:09:58 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:09:50.503987 End time: 2024-05-25 12:09:57.591513 2024-05-25 12:09:58 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:09:58 INFO tclean::::casa ########################################## 2024-05-25 12:09:58 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:09:58 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:58 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) 2024-05-25 12:09:58 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:09:58 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:09:58 2024****** 2024-05-25 12:09:58 INFO ImageFitter::fit+ 2024-05-25 12:09:58 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:09:58 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:09:58 INFO ImageFitter::fit+ --- region: 2024-05-25 12:09:58 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:09:58 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:09:58 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:09:58 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:09:58 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:09:58 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:09:58 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:58 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) 2024-05-25 12:09:58 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:09:58 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:09:58 INFO imstat::::casa ########################################## 2024-05-25 12:09:58 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:09:58 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 ) 2024-05-25 12:09:58 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:09:58 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:09:58 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:09:58 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:09:58 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:09:58 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) 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:09:58 INFO imstat:::: Values --- 2024-05-25 12:09:58 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:09:58 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:09:58 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- minimum value [min]: -7.77773e-05 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:09:58 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 12:09:58 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:09:58 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 12:09:58 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:09:58 INFO imstat:::: Statistics --- 2024-05-25 12:09:58 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- Median of the pixel values [median]: -1.86786e-05 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- IQR [quartile]: 3.56014e-05 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- First quartile [q1]: -3.45038e-05 Jy/beam 2024-05-25 12:09:58 INFO imstat:::: -- Third quartile [q3]: 1.09758e-06 Jy/beam 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:09:58 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:09:58 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 2024-05-25 12:09:58 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:09:57.672790 End time: 2024-05-25 12:09:57.701752 2024-05-25 12:09:58 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:09:58 INFO imstat::::casa ########################################## 2024-05-25 12:09:58 INFO phaseshift::::casa ########################################## 2024-05-25 12:09:58 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:09:58 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 19:52:05.6524 02:39:52.3901' ) 2024-05-25 12:09:58 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:09:58 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:09:58 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:09:58 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:09:58 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:09:58 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:09:58 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:09:58 INFO MSTransformManager::open Select data 2024-05-25 12:09:58 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 ".". 2024-05-25 12:09:59 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19:52:05.6524 02:39:52.3901 successfully parsed 2024-05-25 12:09:59 INFO phaseshift::::casa Shift phase center 2024-05-25 12:10:00 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:09:57.719058 End time: 2024-05-25 12:09:59.928381 2024-05-25 12:10:00 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:10:00 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:00 INFO tclean::::casa ########################################## 2024-05-25 12:10:00 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:10:00 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:10:00 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:10:00 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:10:00 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:10:00 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:10:00 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:10:00 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:10:00 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:10:00 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:10:00 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:10:00 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:10:00 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:10:01 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:10:01 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019672 2024-05-25 12:10:01 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:01 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:10:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:10:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:02 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:10:02 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:10:02 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:10:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:10:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:10:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:10:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:10:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:10:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:10:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:10:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:10:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:10:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:10:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:10:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:10:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:10:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:10:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:10:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:10:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:10:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:10:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:10:06 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:10:06 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:10:06 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:10:06 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:06 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:10:07 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:09:59.997233 End time: 2024-05-25 12:10:07.120864 2024-05-25 12:10:07 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:10:07 INFO tclean::::casa ########################################## 2024-05-25 12:10:07 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:10:07 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:07 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) 2024-05-25 12:10:07 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:10:07 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:10:07 2024****** 2024-05-25 12:10:07 INFO ImageFitter::fit+ 2024-05-25 12:10:07 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:10:07 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:10:07 INFO ImageFitter::fit+ --- region: 2024-05-25 12:10:07 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:10:07 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:10:07 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:10:07 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:10:07 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:10:07 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:10:07 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:07 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) 2024-05-25 12:10:07 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116878 Jy 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126494 Jy 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- ra: 128.000008 +/- 0.000127 pixels 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:10:07 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:10:07 INFO imstat::::casa ########################################## 2024-05-25 12:10:07 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:10:07 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 ) 2024-05-25 12:10:07 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:10:07 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:10:07 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:10:07 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:10:07 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:07 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) 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-05-25 12:10:07 INFO imstat:::: Values --- 2024-05-25 12:10:07 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:10:07 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:10:07 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- minimum value [min]: -7.78143e-05 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:10:07 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:10:07 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:10:07 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:10:07 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:10:07 INFO imstat:::: Statistics --- 2024-05-25 12:10:07 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- Median of the pixel values [median]: -1.86838e-05 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73769e-05 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- IQR [quartile]: 3.5634e-05 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- First quartile [q1]: -3.45216e-05 Jy/beam 2024-05-25 12:10:07 INFO imstat:::: -- Third quartile [q3]: 1.1124e-06 Jy/beam 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:10:07 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:10:07 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 2024-05-25 12:10:07 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:10:07.183396 End time: 2024-05-25 12:10:07.216756 2024-05-25 12:10:07 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:10:07 INFO imstat::::casa ########################################## 2024-05-25 12:10:07 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:10:07 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 39.968292000deg' ) 2024-05-25 12:10:07 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:10:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:10:07 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:10:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:10:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:10:07 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:10:07 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:10:07 INFO MSTransformManager::open Select data 2024-05-25 12:10:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:10:09 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19:52:05.6524 39.968292000deg successfully parsed 2024-05-25 12:10:09 INFO phaseshift::::casa Shift phase center 2024-05-25 12:10:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:10:07.236618 End time: 2024-05-25 12:10:09.788321 2024-05-25 12:10:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:10:10 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:10 INFO tclean::::casa ########################################## 2024-05-25 12:10:10 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:10:10 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:10:10 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:10:10 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:10:10 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:10:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:10:10 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:10:10 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:10:10 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:10:10 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:10:10 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:10:10 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:10:10 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:10:11 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:10:11 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.017501 2024-05-25 12:10:11 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:11 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:10:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:10:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:10:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:10:12 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:10:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:10:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:10:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:10:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:10:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:10:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:10:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:10:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:10:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:10:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:10:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:10:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:10:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:10:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:10:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:10:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:10:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:10:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:10:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:10:16 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:10:16 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:10:16 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:10:17 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:17 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:10:18 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:10:09.859757 End time: 2024-05-25 12:10:18.359435 2024-05-25 12:10:18 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:10:18 INFO tclean::::casa ########################################## 2024-05-25 12:10:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:10:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:18 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) 2024-05-25 12:10:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:10:18 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:10:18 2024****** 2024-05-25 12:10:18 INFO ImageFitter::fit+ 2024-05-25 12:10:18 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:10:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:10:18 INFO ImageFitter::fit+ --- region: 2024-05-25 12:10:18 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:10:18 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:10:18 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:10:18 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:10:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:10:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:10:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:18 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) 2024-05-25 12:10:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:10:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:10:18 INFO imstat::::casa ########################################## 2024-05-25 12:10:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:10:18 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 ) 2024-05-25 12:10:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:10:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:10:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:10:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:10:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:18 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) 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:10:18 INFO imstat:::: Values --- 2024-05-25 12:10:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:10:18 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:10:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- minimum value [min]: -7.77773e-05 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:10:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-05-25 12:10:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:10:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-05-25 12:10:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:10:18 INFO imstat:::: Statistics --- 2024-05-25 12:10:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86786e-05 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- IQR [quartile]: 3.56014e-05 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- First quartile [q1]: -3.45038e-05 Jy/beam 2024-05-25 12:10:18 INFO imstat:::: -- Third quartile [q3]: 1.09758e-06 Jy/beam 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:10:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:10:18 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 2024-05-25 12:10:18 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:10:18.445035 End time: 2024-05-25 12:10:18.476317 2024-05-25 12:10:18 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:10:18 INFO imstat::::casa ########################################## 2024-05-25 12:10:18 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:10:18 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 19:52:05.6524 0.697578292rad' ) 2024-05-25 12:10:19 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:10:19 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:10:19 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:10:19 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:10:19 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:10:19 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:10:19 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:10:19 INFO MSTransformManager::open Select data 2024-05-25 12:10:19 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:10:20 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19:52:05.6524 0.697578292rad successfully parsed 2024-05-25 12:10:20 INFO phaseshift::::casa Shift phase center 2024-05-25 12:10:21 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:10:18.495256 End time: 2024-05-25 12:10:21.202529 2024-05-25 12:10:21 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:10:21 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:21 INFO tclean::::casa ########################################## 2024-05-25 12:10:21 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:10:21 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:10:21 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:10:21 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:10:21 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:10:21 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:10:21 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:10:21 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:10:21 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:10:21 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:10:21 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:10:21 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:10:21 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:10:22 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:10:22 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029307 2024-05-25 12:10:22 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:22 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:10:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:10:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:10:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:10:24 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:10:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:10:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:10:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:10:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:10:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:10:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:10:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:10:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:10:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:10:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:10:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:10:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:10:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:10:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:10:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:10:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:10:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:10:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:10:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:10:28 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:10:28 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:10:28 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:10:28 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:29 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:10:30 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:10:21.256844 End time: 2024-05-25 12:10:29.585237 2024-05-25 12:10:30 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:10:30 INFO tclean::::casa ########################################## 2024-05-25 12:10:30 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:10:30 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:30 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) 2024-05-25 12:10:30 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:10:30 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:10:30 2024****** 2024-05-25 12:10:30 INFO ImageFitter::fit+ 2024-05-25 12:10:30 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:10:30 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:10:30 INFO ImageFitter::fit+ --- region: 2024-05-25 12:10:30 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:10:30 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:10:30 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:10:30 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:10:30 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:10:30 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:10:30 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:30 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) 2024-05-25 12:10:30 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126487 Jy 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:10:30 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:10:30 INFO imstat::::casa ########################################## 2024-05-25 12:10:30 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:10:30 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 ) 2024-05-25 12:10:30 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:10:30 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:10:30 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:10:30 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:10:30 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:30 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:10:30 INFO imstat:::: Values --- 2024-05-25 12:10:30 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:10:30 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:10:30 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- minimum value [min]: -7.7781e-05 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:10:30 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:10:30 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:10:30 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:10:30 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:10:30 INFO imstat:::: Statistics --- 2024-05-25 12:10:30 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- Median of the pixel values [median]: -1.86714e-05 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73593e-05 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- IQR [quartile]: 3.56161e-05 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- First quartile [q1]: -3.45125e-05 Jy/beam 2024-05-25 12:10:30 INFO imstat:::: -- Third quartile [q3]: 1.10364e-06 Jy/beam 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:10:30 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:10:30 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 2024-05-25 12:10:30 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:10:29.663154 End time: 2024-05-25 12:10:29.692418 2024-05-25 12:10:30 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:10:30 INFO imstat::::casa ########################################## 2024-05-25 12:10:30 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:30 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:10:30 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39d58m05.8512' ) 2024-05-25 12:10:30 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:10:30 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:10:30 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:10:30 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:10:30 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:10:30 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:10:30 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:10:30 INFO MSTransformManager::open Select data 2024-05-25 12:10:30 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:10:31 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 298.023551625deg 39d58m05.8512 successfully parsed 2024-05-25 12:10:31 INFO phaseshift::::casa Shift phase center 2024-05-25 12:10:32 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:10:29.710431 End time: 2024-05-25 12:10:32.054869 2024-05-25 12:10:32 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:10:32 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:32 INFO tclean::::casa ########################################## 2024-05-25 12:10:32 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:10:32 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 ) 2024-05-25 12:10:32 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:10:32 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:10:32 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:10:32 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:10:32 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:10:32 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:10:32 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:10:32 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:10:32 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:10:32 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:10:32 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:10:33 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:10:33 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013818 2024-05-25 12:10:33 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:33 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:10:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:10:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:10:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:10:34 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:10:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:10:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:10:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:10:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:10:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:10:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:10:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:10:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:10:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:10:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:10:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:10:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:10:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:10:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:10:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:10:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:10:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:10:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:10:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:10:38 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:10:38 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:10:38 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:10:39 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:39 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:10:40 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:10:32.117947 End time: 2024-05-25 12:10:39.641146 2024-05-25 12:10:40 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:10:40 INFO tclean::::casa ########################################## 2024-05-25 12:10:40 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:10:40 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:40 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) 2024-05-25 12:10:40 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:10:40 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:10:40 2024****** 2024-05-25 12:10:40 INFO ImageFitter::fit+ 2024-05-25 12:10:40 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:10:40 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:10:40 INFO ImageFitter::fit+ --- region: 2024-05-25 12:10:40 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:10:40 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:10:40 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:10:40 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:10:40 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:10:40 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:10:40 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:40 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) 2024-05-25 12:10:40 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:10:40 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:10:40 INFO imstat::::casa ########################################## 2024-05-25 12:10:40 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:10:40 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 ) 2024-05-25 12:10:40 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:10:40 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:10:40 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:10:40 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:10:40 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:40 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) 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:10:40 INFO imstat:::: Values --- 2024-05-25 12:10:40 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:10:40 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:10:40 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:10:40 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:10:40 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:10:40 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:10:40 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:10:40 INFO imstat:::: Statistics --- 2024-05-25 12:10:40 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2024-05-25 12:10:40 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:10:40 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:10:40 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 2024-05-25 12:10:40 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:10:39.723554 End time: 2024-05-25 12:10:39.753422 2024-05-25 12:10:40 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:10:40 INFO imstat::::casa ########################################## 2024-05-25 12:10:40 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:40 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:10:40 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 02:39:52.3901' ) 2024-05-25 12:10:40 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:10:40 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:10:40 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:10:40 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:10:40 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:10:40 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:10:40 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:10:40 INFO MSTransformManager::open Select data 2024-05-25 12:10:40 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 ".". 2024-05-25 12:10:41 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 298.023551625deg 02:39:52.3901 successfully parsed 2024-05-25 12:10:41 INFO phaseshift::::casa Shift phase center 2024-05-25 12:10:42 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:10:39.771407 End time: 2024-05-25 12:10:42.005632 2024-05-25 12:10:42 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:10:42 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:42 INFO tclean::::casa ########################################## 2024-05-25 12:10:42 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:10:42 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:10:42 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:10:42 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:10:42 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:10:42 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:10:42 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:10:42 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:10:42 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:10:42 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:10:42 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:10:42 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:10:42 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:10:43 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:10:43 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.02858 2024-05-25 12:10:43 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:43 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:10:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:10:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:10:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:10:44 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:10:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:10:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:10:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:10:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:10:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:10:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:10:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:10:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:10:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:10:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:10:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:10:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:10:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:10:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:10:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:10:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:10:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:10:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:10:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:10:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:10:47 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:10:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:10:48 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:48 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:10:49 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:10:42.059850 End time: 2024-05-25 12:10:49.029141 2024-05-25 12:10:49 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:10:49 INFO tclean::::casa ########################################## 2024-05-25 12:10:49 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:10:49 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:49 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-05-25 12:10:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:10:49 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:10:49 2024****** 2024-05-25 12:10:49 INFO ImageFitter::fit+ 2024-05-25 12:10:49 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:10:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:10:49 INFO ImageFitter::fit+ --- region: 2024-05-25 12:10:49 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:10:49 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:10:49 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:10:49 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:10:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:10:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:10:49 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:49 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:10:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011688 Jy 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:10:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:10:49 INFO imstat::::casa ########################################## 2024-05-25 12:10:49 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:10:49 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 ) 2024-05-25 12:10:49 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:10:49 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:10:49 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:10:49 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:10:49 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:49 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) 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-05-25 12:10:49 INFO imstat:::: Values --- 2024-05-25 12:10:49 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:10:49 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:10:49 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- minimum value [min]: -7.78225e-05 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:10:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:10:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:10:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:10:49 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:10:49 INFO imstat:::: Statistics --- 2024-05-25 12:10:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- Median of the pixel values [median]: -1.86781e-05 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- IQR [quartile]: 3.56365e-05 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- First quartile [q1]: -3.45278e-05 Jy/beam 2024-05-25 12:10:49 INFO imstat:::: -- Third quartile [q3]: 1.10869e-06 Jy/beam 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:10:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:10:49 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 2024-05-25 12:10:49 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:10:49.123774 End time: 2024-05-25 12:10:49.155962 2024-05-25 12:10:49 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:10:49 INFO imstat::::casa ########################################## 2024-05-25 12:10:49 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:10:49 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39.968292000deg' ) 2024-05-25 12:10:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:10:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:10:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:10:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:10:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:10:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:10:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:10:49 INFO MSTransformManager::open Select data 2024-05-25 12:10:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:10:50 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 298.023551625deg 39.968292000deg successfully parsed 2024-05-25 12:10:50 INFO phaseshift::::casa Shift phase center 2024-05-25 12:10:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:10:49.175142 End time: 2024-05-25 12:10:51.256126 2024-05-25 12:10:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:10:51 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:51 INFO tclean::::casa ########################################## 2024-05-25 12:10:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:10:51 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 ) 2024-05-25 12:10:51 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:10:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:10:51 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:10:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:10:51 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:10:51 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:10:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:10:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:10:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:10:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:10:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:10:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:10:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019772 2024-05-25 12:10:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:10:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:10:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:10:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:10:53 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:10:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:10:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:10:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:10:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:10:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:10:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:10:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:10:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:10:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:10:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:10:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:10:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:10:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:10:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:10:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:10:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:10:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:10:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:10:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:10:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:10:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:10:56 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:10:56 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:10:56 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:10:57 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:10:57 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:10:58 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:10:51.320210 End time: 2024-05-25 12:10:57.502029 2024-05-25 12:10:58 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:10:58 INFO tclean::::casa ########################################## 2024-05-25 12:10:58 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:10:58 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:58 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) 2024-05-25 12:10:58 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:10:58 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:10:58 2024****** 2024-05-25 12:10:58 INFO ImageFitter::fit+ 2024-05-25 12:10:58 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:10:58 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:10:58 INFO ImageFitter::fit+ --- region: 2024-05-25 12:10:58 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:10:58 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:10:58 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:10:58 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:10:58 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:10:58 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:10:58 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:58 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) 2024-05-25 12:10:58 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:10:58 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:10:58 INFO imstat::::casa ########################################## 2024-05-25 12:10:58 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:10:58 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 ) 2024-05-25 12:10:58 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:10:58 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:10:58 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:10:58 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:10:58 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:10:58 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) 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:10:58 INFO imstat:::: Values --- 2024-05-25 12:10:58 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:10:58 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:10:58 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:10:58 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:10:58 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:10:58 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:10:58 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:10:58 INFO imstat:::: Statistics --- 2024-05-25 12:10:58 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2024-05-25 12:10:58 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:10:58 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:10:58 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 2024-05-25 12:10:58 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:10:57.591796 End time: 2024-05-25 12:10:57.625755 2024-05-25 12:10:58 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:10:58 INFO imstat::::casa ########################################## 2024-05-25 12:10:58 INFO phaseshift::::casa ########################################## 2024-05-25 12:10:58 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:10:58 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 0.697578292rad' ) 2024-05-25 12:10:58 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:10:58 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:10:58 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:10:58 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:10:58 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:10:58 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:10:58 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:10:58 INFO MSTransformManager::open Select data 2024-05-25 12:10:58 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:10:59 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 298.023551625deg 0.697578292rad successfully parsed 2024-05-25 12:10:59 INFO phaseshift::::casa Shift phase center 2024-05-25 12:11:00 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:10:57.646752 End time: 2024-05-25 12:11:00.220970 2024-05-25 12:11:00 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:11:00 INFO phaseshift::::casa ########################################## 2024-05-25 12:11:00 INFO tclean::::casa ########################################## 2024-05-25 12:11:00 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:11:00 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-05-25 12:11:00 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:11:00 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:11:00 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:11:00 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:11:00 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:11:00 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:11:00 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:11:00 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:11:00 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:11:00 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:11:00 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:11:01 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:11:01 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026598 2024-05-25 12:11:01 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:11:01 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:11:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:11:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:11:03 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:11:03 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:11:03 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:11:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:11:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:11:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:11:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:11:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:11:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:11:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:11:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:11:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:11:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:11:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:11:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:11:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:11:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:11:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:11:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:11:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:11:07 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:11:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:11:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:11:08 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:11:08 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:11:08 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:11:08 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:11:09 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:11:09 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:11:00.284049 End time: 2024-05-25 12:11:09.442413 2024-05-25 12:11:09 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:11:09 INFO tclean::::casa ########################################## 2024-05-25 12:11:09 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:11:09 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:09 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) 2024-05-25 12:11:09 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:11:09 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:11:09 2024****** 2024-05-25 12:11:09 INFO ImageFitter::fit+ 2024-05-25 12:11:09 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:11:09 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:11:09 INFO ImageFitter::fit+ --- region: 2024-05-25 12:11:09 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:11:09 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:11:09 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:11:09 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:11:09 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:11:09 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:11:10 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:10 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:11:10 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:11:10 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:11:10 INFO imstat::::casa ########################################## 2024-05-25 12:11:10 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:11:10 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:11:10 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:11:10 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:11:10 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:11:10 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:11:10 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:10 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:11:10 INFO imstat:::: Values --- 2024-05-25 12:11:10 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:11:10 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:11:10 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- minimum value [min]: -7.7789e-05 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:11:10 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:11:10 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:11:10 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:11:10 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:11:10 INFO imstat:::: Statistics --- 2024-05-25 12:11:10 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- Median of the pixel values [median]: -1.86647e-05 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- IQR [quartile]: 3.56182e-05 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- First quartile [q1]: -3.45079e-05 Jy/beam 2024-05-25 12:11:10 INFO imstat:::: -- Third quartile [q3]: 1.11022e-06 Jy/beam 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:11:10 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:11:10 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 2024-05-25 12:11:10 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:11:09.532066 End time: 2024-05-25 12:11:09.572848 2024-05-25 12:11:10 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:11:10 INFO imstat::::casa ########################################## 2024-05-25 12:11:10 INFO phaseshift::::casa ########################################## 2024-05-25 12:11:10 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:11:10 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39d58m05.8512' ) 2024-05-25 12:11:10 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:11:10 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:11:10 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:11:10 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:11:10 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:11:10 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:11:10 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:11:10 INFO MSTransformManager::open Select data 2024-05-25 12:11:10 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:11:12 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 5.201492224rad 39d58m05.8512 successfully parsed 2024-05-25 12:11:12 INFO phaseshift::::casa Shift phase center 2024-05-25 12:11:12 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:11:09.591743 End time: 2024-05-25 12:11:12.248971 2024-05-25 12:11:12 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:11:12 INFO phaseshift::::casa ########################################## 2024-05-25 12:11:12 INFO tclean::::casa ########################################## 2024-05-25 12:11:12 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:11:12 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 ) 2024-05-25 12:11:12 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:11:12 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:11:12 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:11:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:11:12 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:11:12 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:11:12 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:11:12 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:11:12 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:11:12 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:11:12 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:11:13 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:11:13 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.022382 2024-05-25 12:11:13 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:11:13 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:11:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:11:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:11:14 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:11:14 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:11:14 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:11:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:11:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:11:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:11:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:11:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:11:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:11:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:11:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:11:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:11:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:11:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:11:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:11:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:11:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:11:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:11:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:11:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:11:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:11:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:11:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:11:18 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:11:18 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:11:18 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:11:18 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:11:19 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:11:20 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:11:12.309496 End time: 2024-05-25 12:11:19.574461 2024-05-25 12:11:20 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:11:20 INFO tclean::::casa ########################################## 2024-05-25 12:11:20 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:11:20 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:20 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) 2024-05-25 12:11:20 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:11:20 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:11:20 2024****** 2024-05-25 12:11:20 INFO ImageFitter::fit+ 2024-05-25 12:11:20 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:11:20 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:11:20 INFO ImageFitter::fit+ --- region: 2024-05-25 12:11:20 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:11:20 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:11:20 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:11:20 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:11:20 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:11:20 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:11:20 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:20 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) 2024-05-25 12:11:20 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:11:20 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:11:20 INFO imstat::::casa ########################################## 2024-05-25 12:11:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:11:20 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 ) 2024-05-25 12:11:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:11:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:11:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:11:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:11:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:20 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) 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:11:20 INFO imstat:::: Values --- 2024-05-25 12:11:20 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:11:20 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:11:20 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- minimum value [min]: -7.77853e-05 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:11:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:11:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:11:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:11:20 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:11:20 INFO imstat:::: Statistics --- 2024-05-25 12:11:20 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- Median of the pixel values [median]: -1.86679e-05 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- IQR [quartile]: 3.56112e-05 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- First quartile [q1]: -3.45109e-05 Jy/beam 2024-05-25 12:11:20 INFO imstat:::: -- Third quartile [q3]: 1.10039e-06 Jy/beam 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:11:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:11:20 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 2024-05-25 12:11:20 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:11:19.646120 End time: 2024-05-25 12:11:19.679949 2024-05-25 12:11:20 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:11:20 INFO imstat::::casa ########################################## 2024-05-25 12:11:20 INFO phaseshift::::casa ########################################## 2024-05-25 12:11:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:11:20 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' ) 2024-05-25 12:11:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:11:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:11:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:11:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:11:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:11:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:11:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:11:20 INFO MSTransformManager::open Select data 2024-05-25 12:11:20 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 ".". 2024-05-25 12:11:21 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 5.201492224rad 02:39:52.3901 successfully parsed 2024-05-25 12:11:21 INFO phaseshift::::casa Shift phase center 2024-05-25 12:11:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:11:19.695375 End time: 2024-05-25 12:11:21.944011 2024-05-25 12:11:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:11:22 INFO phaseshift::::casa ########################################## 2024-05-25 12:11:22 INFO tclean::::casa ########################################## 2024-05-25 12:11:22 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:11:22 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 ) 2024-05-25 12:11:22 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:11:22 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:11:22 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:11:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:11:22 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:11:22 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:11:22 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:11:22 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:11:22 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:11:22 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:11:22 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:11:23 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:11:23 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01429 2024-05-25 12:11:23 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:11:23 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:11:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:11:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:11:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:11:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:11:24 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:11:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:11:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:11:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:11:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:11:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:11:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:11:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:11:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:11:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:11:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:11:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:11:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:11:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:11:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:11:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:11:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-05-25 12:11:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:11:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:11:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:11:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:11:27 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:11:27 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:11:27 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:11:28 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:11:28 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:11:29 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:11:21.995841 End time: 2024-05-25 12:11:28.857866 2024-05-25 12:11:29 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:11:29 INFO tclean::::casa ########################################## 2024-05-25 12:11:29 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:11:29 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:29 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) 2024-05-25 12:11:29 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:11:29 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:11:29 2024****** 2024-05-25 12:11:29 INFO ImageFitter::fit+ 2024-05-25 12:11:29 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:11:29 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:11:29 INFO ImageFitter::fit+ --- region: 2024-05-25 12:11:29 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:11:29 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:11:29 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:11:29 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:11:29 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:11:29 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:11:29 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:29 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) 2024-05-25 12:11:29 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116885 Jy 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126501 Jy 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:11:29 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:11:29 INFO imstat::::casa ########################################## 2024-05-25 12:11:29 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:11:29 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 ) 2024-05-25 12:11:29 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:11:29 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:11:29 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:11:29 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:11:29 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:29 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) 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-05-25 12:11:29 INFO imstat:::: Values --- 2024-05-25 12:11:29 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:11:29 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:11:29 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- minimum value [min]: -7.78268e-05 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:11:29 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:11:29 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:11:29 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:11:29 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:11:29 INFO imstat:::: Statistics --- 2024-05-25 12:11:29 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- Median of the pixel values [median]: -1.8675e-05 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73782e-05 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- IQR [quartile]: 3.56598e-05 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- First quartile [q1]: -3.45364e-05 Jy/beam 2024-05-25 12:11:29 INFO imstat:::: -- Third quartile [q3]: 1.12335e-06 Jy/beam 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:11:29 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:11:29 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 2024-05-25 12:11:29 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:11:28.937743 End time: 2024-05-25 12:11:28.966813 2024-05-25 12:11:29 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:11:29 INFO imstat::::casa ########################################## 2024-05-25 12:11:29 INFO phaseshift::::casa ########################################## 2024-05-25 12:11:29 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:11:29 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39.968292000deg' ) 2024-05-25 12:11:29 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:11:29 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:11:29 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:11:29 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:11:29 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:11:29 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:11:29 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:11:29 INFO MSTransformManager::open Select data 2024-05-25 12:11:29 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:11:30 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 5.201492224rad 39.968292000deg successfully parsed 2024-05-25 12:11:30 INFO phaseshift::::casa Shift phase center 2024-05-25 12:11:31 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:11:28.984174 End time: 2024-05-25 12:11:31.145348 2024-05-25 12:11:31 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:11:31 INFO phaseshift::::casa ########################################## 2024-05-25 12:11:31 INFO tclean::::casa ########################################## 2024-05-25 12:11:31 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:11:31 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 ) 2024-05-25 12:11:31 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:11:31 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:11:31 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:11:31 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:11:31 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:11:31 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:11:31 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:11:31 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:11:31 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:11:31 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:11:31 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:11:32 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:11:32 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018292 2024-05-25 12:11:32 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:11:32 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:11:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:11:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:11:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:11:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:11:33 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:11:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:11:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:11:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:11:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:11:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:11:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:11:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:11:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:11:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:11:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:11:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:11:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:11:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:11:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:11:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:11:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:11:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:11:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:11:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:11:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:11:37 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:11:37 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:11:37 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:11:37 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:11:37 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:11:39 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:11:31.182860 End time: 2024-05-25 12:11:38.503729 2024-05-25 12:11:39 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:11:39 INFO tclean::::casa ########################################## 2024-05-25 12:11:39 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:11:39 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:39 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) 2024-05-25 12:11:39 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:11:39 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:11:39 2024****** 2024-05-25 12:11:39 INFO ImageFitter::fit+ 2024-05-25 12:11:39 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:11:39 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:11:39 INFO ImageFitter::fit+ --- region: 2024-05-25 12:11:39 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:11:39 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:11:39 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:11:39 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:11:39 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:11:39 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:11:39 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:39 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) 2024-05-25 12:11:39 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:11:39 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:11:39 INFO imstat::::casa ########################################## 2024-05-25 12:11:39 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:11:39 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 ) 2024-05-25 12:11:39 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:11:39 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:11:39 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:11:39 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:11:39 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:39 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:11:39 INFO imstat:::: Values --- 2024-05-25 12:11:39 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:11:39 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:11:39 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- minimum value [min]: -7.77853e-05 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:11:39 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:11:39 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:11:39 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:11:39 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:11:39 INFO imstat:::: Statistics --- 2024-05-25 12:11:39 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- Median of the pixel values [median]: -1.86679e-05 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- IQR [quartile]: 3.56112e-05 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- First quartile [q1]: -3.45109e-05 Jy/beam 2024-05-25 12:11:39 INFO imstat:::: -- Third quartile [q3]: 1.10039e-06 Jy/beam 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:11:39 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:11:39 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 2024-05-25 12:11:39 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:11:38.586117 End time: 2024-05-25 12:11:38.616394 2024-05-25 12:11:39 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:11:39 INFO imstat::::casa ########################################## 2024-05-25 12:11:39 INFO phaseshift::::casa ########################################## 2024-05-25 12:11:39 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-05-25 12:11:39 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 0.697578292rad' ) 2024-05-25 12:11:39 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-05-25 12:11:39 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-05-25 12:11:39 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-05-25 12:11:39 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-05-25 12:11:39 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-05-25 12:11:39 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-05-25 12:11:39 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-05-25 12:11:39 INFO MSTransformManager::open Select data 2024-05-25 12:11:39 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-05-25 12:11:40 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 5.201492224rad 0.697578292rad successfully parsed 2024-05-25 12:11:40 INFO phaseshift::::casa Shift phase center 2024-05-25 12:11:41 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-05-25 12:11:38.634443 End time: 2024-05-25 12:11:41.009835 2024-05-25 12:11:41 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-05-25 12:11:41 INFO phaseshift::::casa ########################################## 2024-05-25 12:11:41 INFO tclean::::casa ########################################## 2024-05-25 12:11:41 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-05-25 12:11:41 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 ) 2024-05-25 12:11:41 INFO tclean::::casa Verifying Input Parameters 2024-05-25 12:11:41 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-05-25 12:11:41 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-05-25 12:11:41 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-05-25 12:11:41 INFO SynthesisImagerVi2::defineImage Impars: start 2024-05-25 12:11:41 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2024-05-25 12:11:41 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine: gridft 2024-05-25 12:11:41 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 47.67 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-05-25 12:11:41 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-05-25 12:11:41 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-05-25 12:11:41 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-05-25 12:11:42 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-05-25 12:11:42 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016519 2024-05-25 12:11:42 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:11:42 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-05-25 12:11:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-05-25 12:11:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:11:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-05-25 12:11:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-05-25 12:11:43 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-05-25 12:11:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-05-25 12:11:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-05-25 12:11:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-05-25 12:11:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-05-25 12:11:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-05-25 12:11:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-05-25 12:11:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-05-25 12:11:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-05-25 12:11:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-05-25 12:11:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-05-25 12:11:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-05-25 12:11:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-05-25 12:11:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-05-25 12:11:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-05-25 12:11:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-05-25 12:11:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-05-25 12:11:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-05-25 12:11:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-05-25 12:11:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-05-25 12:11:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-05-25 12:11:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-05-25 12:11:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-05-25 12:11:47 INFO tclean::::casa getSummary call: fullsummary=False 2024-05-25 12:11:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-05-25 12:11:47 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-05-25 12:11:47 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.residual', 'im_post_phaseshift.mask', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.pb', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image'] 2024-05-25 12:11:48 INFO tclean::::casa Task tclean complete. Start time: 2024-05-25 12:11:41.077329 End time: 2024-05-25 12:11:48.129040 2024-05-25 12:11:48 INFO tclean::::casa ##### End Task: tclean ##### 2024-05-25 12:11:48 INFO tclean::::casa ########################################## 2024-05-25 12:11:48 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-05-25 12:11:48 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:48 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) 2024-05-25 12:11:48 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-05-25 12:11:48 INFO ImageFitter::fit ****** Fit performed at Sat May 25 12:11:48 2024****** 2024-05-25 12:11:48 INFO ImageFitter::fit+ 2024-05-25 12:11:48 INFO ImageFitter::fit+ Input parameters --- 2024-05-25 12:11:48 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-05-25 12:11:48 INFO ImageFitter::fit+ --- region: 2024-05-25 12:11:48 INFO ImageFitter::fit+ --- channel: 0 2024-05-25 12:11:48 INFO ImageFitter::fit+ --- stokes: I 2024-05-25 12:11:48 INFO ImageFitter::fit+ --- mask: 2024-05-25 12:11:48 INFO ImageFitter::fit+ --- include pixel range: [] 2024-05-25 12:11:48 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-05-25 12:11:48 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-05-25 12:11:48 INFO ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:48 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-05-25 12:11:48 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ Position --- 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ Flux --- 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-05-25 12:11:48 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-05-25 12:11:48 INFO imstat::::casa ########################################## 2024-05-25 12:11:48 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-05-25 12:11:48 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-05-25 12:11:48 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-05-25 12:11:48 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-05-25 12:11:48 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-05-25 12:11:48 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-05-25 12:11:48 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-05-25 12:11:48 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-05-25 12:11:48 INFO imstat:::: Values --- 2024-05-25 12:11:48 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-05-25 12:11:48 INFO imstat:::: -- number of points [npts]: 65536 2024-05-25 12:11:48 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- minimum value [min]: -7.77956e-05 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-05-25 12:11:48 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-05-25 12:11:48 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-05-25 12:11:48 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-05-25 12:11:48 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-05-25 12:11:48 INFO imstat:::: Statistics --- 2024-05-25 12:11:48 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- Median of the pixel values [median]: -1.86648e-05 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73536e-05 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- IQR [quartile]: 3.5639e-05 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- First quartile [q1]: -3.45152e-05 Jy/beam 2024-05-25 12:11:48 INFO imstat:::: -- Third quartile [q3]: 1.12373e-06 Jy/beam 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-05-25 12:11:48 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-05-25 12:11:48 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 2024-05-25 12:11:48 INFO imstat::::casa Task imstat complete. Start time: 2024-05-25 12:11:48.212339 End time: 2024-05-25 12:11:48.255060 2024-05-25 12:11:48 INFO imstat::::casa ##### End Task: imstat ##### 2024-05-25 12:11:48 INFO imstat::::casa ########################################## Using user configuration file /home/casatest/.casa/config.py Using matplotlib backend: agg CASA 6.6.1.14a14360.dev2 -- Common Astronomy Software Applications [6.6.1.14a14360.dev2] 'utils' object has no attribute 'measurespath' There was an unexpected exception when determining the installed casarundata and measures versions Other messages will have appeared before this that may help diagnose the problem. CASA will probably be unusable until this is fixed. 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 1325.382s OK Generating XML reports...