2025-03-15 22:59:29 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2025-03-15 22:59:29 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2025-03-15 22:59:29 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2025-03-15 22:59:29 INFO ::casa 2025-03-15 22:59:29 INFO ::casa config values 2025-03-15 22:59:29 INFO ::casa agg = False 2025-03-15 22:59:29 INFO ::casa cachedir = '/home/casatest/.casa' 2025-03-15 22:59:29 INFO ::casa casaconfig_verbose = 1 2025-03-15 22:59:29 INFO ::casa colors = 'Neutral' 2025-03-15 22:59:29 INFO ::casa data_auto_update = False 2025-03-15 22:59:29 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2025-03-15 22:59:29 INFO ::casa iplog = False 2025-03-15 22:59:29 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/ipython-20250315-225926.log' 2025-03-15 22:59:29 INFO ::casa log2term = True 2025-03-15 22:59:29 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/casa-20250315-225926.log' 2025-03-15 22:59:29 INFO ::casa measures_auto_update = False 2025-03-15 22:59:29 INFO ::casa measurespath = '/opt/casa/data/master' 2025-03-15 22:59:29 INFO ::casa nogui = False 2025-03-15 22:59:29 INFO ::casa nologfile = False 2025-03-15 22:59:29 INFO ::casa nologger = True 2025-03-15 22:59:29 INFO ::casa pipeline = False 2025-03-15 22:59:29 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2025-03-15 22:59:29 INFO ::casa user_site = False 2025-03-15 22:59:29 INFO ::casa 2025-03-15 22:59:29 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2025-03-15 22:59:29 INFO ::casa measures version : WSRT_Measures_20211217-160001.ztar 2025-03-15 22:59:29 INFO ::casa 2025-03-15 22:59:29 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2025-03-15 22:59:29 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2025/03/10/15:15, 2025/02/08/00:00:00 2025-03-15 22:59:29 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2025/03/10/15:15, 2025/02/08/00:00:00 2025-03-15 22:59:29 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2025/03/14/15:15, 2025/06/12/00:00:00 2025-03-15 22:59:29 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2025/03/08/15:15, 2017/01/01/00:00:00 Running tests... ---------------------------------------------------------------------- Using user configuration file /home/casatest/.casa/config.py No event loop hook running. Using matplotlib backend: agg CASA 6.7.2.8 -- Common Astronomy Software Applications [6.7.2.8] 2025-03-15 22:59:29 INFO phaseshift::::casa ########################################## 2025-03-15 22:59:29 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 22:59:29 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'0': 'GALACTIC 19h53m50 40d06m00', '2': 'GALACTIC 22h01m02 40d04m03'} ) 2025-03-15 22:59:29 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-03-15 22:59:29 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 22:59:29 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-03-15 22:59:29 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 22:59:29 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 22:59:29 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 22:59:29 INFO MSTransformManager::open Select data 2025-03-15 22:59:29 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 22:59:33 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-03-15 22:59:33 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 19h53m50 40d06m00' successfully parsed for field 0 2025-03-15 22:59:33 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 22h01m02 40d04m03' successfully parsed for field 2 2025-03-15 22:59:33 INFO phaseshift::::casa Shift phase center 2025-03-15 22:59:37 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 22:59:37 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 22:59:29.119329 End time: 2025-03-15 22:59:36.937141 2025-03-15 22:59:37 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 22:59:37 INFO phaseshift::::casa ########################################## .2025-03-15 22:59:37 INFO phaseshift::::casa ########################################## 2025-03-15 22:59:37 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 22:59:37 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'0': 'J2000 19h53m50 40d06m00', '3': 'J2000 19h53m50 40d06m00'} ) 2025-03-15 22:59:37 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-03-15 22:59:37 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 22:59:37 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-03-15 22:59:37 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 22:59:37 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 22:59:37 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 22:59:37 INFO MSTransformManager::open Select data 2025-03-15 22:59:37 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 22:59:43 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-03-15 22:59:43 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0 2025-03-15 22:59:44 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2 2025-03-15 22:59:44 INFO phaseshift::::casa Traceback (most recent call last): 2025-03-15 22:59:44 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-03-15 22:59:44 INFO phaseshift::::casa+ task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] ) 2025-03-15 22:59:44 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-03-15 22:59:44 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-03-15 22:59:44 INFO phaseshift::::casa+ mtlocal.open() 2025-03-15 22:59:44 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open 2025-03-15 22:59:44 INFO phaseshift::::casa+ return self._swigobj.open() 2025-03-15 22:59:44 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^ 2025-03-15 22:59:44 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2025-03-15 22:59:44 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-03-15 22:59:44 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-03-15 22:59:44 INFO phaseshift::::casa+ RuntimeError: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2 2025-03-15 22:59:44 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 22:59:37.097499 End time: 2025-03-15 22:59:44.116731 2025-03-15 22:59:44 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 22:59:44 INFO phaseshift::::casa ########################################## .2025-03-15 22:59:44 INFO phaseshift::::casa ########################################## 2025-03-15 22:59:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 22:59:44 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'0': 'J2000 19h53m50 40d06m00'} ) 2025-03-15 22:59:44 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-03-15 22:59:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 22:59:44 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-03-15 22:59:44 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 22:59:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 22:59:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 22:59:44 INFO MSTransformManager::open Select data 2025-03-15 22:59:44 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 22:59:49 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-03-15 22:59:49 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0 2025-03-15 22:59:49 INFO phaseshift::::casa Shift phase center 2025-03-15 22:59:50 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 22:59:50 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 22:59:44.223551 End time: 2025-03-15 22:59:49.714757 2025-03-15 22:59:50 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 22:59:50 INFO phaseshift::::casa ########################################## .2025-03-15 22:59:50 INFO phaseshift::::casa ########################################## 2025-03-15 22:59:50 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 22:59:50 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='0,2', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'1': 'J2000 19h53m50 40d06m00', '2': 'J2000 22h01m02 40d04m03'} ) 2025-03-15 22:59:50 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-03-15 22:59:50 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 22:59:50 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-03-15 22:59:50 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 22:59:50 INFO MSTransformManager::parseDataSelParams field selection is 0,2 2025-03-15 22:59:50 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 22:59:50 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 22:59:50 INFO MSTransformManager::open Select data 2025-03-15 22:59:50 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 22:59:50 INFO MSTransformDataHandler::makeSelection 11536 out of 15344 rows are going to be considered due to the selection criteria. 2025-03-15 22:59:54 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-03-15 22:59:54 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 1 2025-03-15 22:59:54 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 22h01m02 40d04m03' successfully parsed for field 2 2025-03-15 22:59:54 INFO phaseshift::::casa Shift phase center 2025-03-15 22:59:55 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 22:59:55 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 22:59:49.892403 End time: 2025-03-15 22:59:54.942705 2025-03-15 22:59:55 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 22:59:55 INFO phaseshift::::casa ########################################## .2025-03-15 22:59:55 INFO phaseshift::::casa ########################################## 2025-03-15 22:59:55 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 22:59:55 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='0,2', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'0': 'ICRS 19h53m50 40d06m00', '2': 'ICRS 22h01m02 40d04m03'} ) 2025-03-15 22:59:55 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-03-15 22:59:55 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 22:59:55 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-03-15 22:59:55 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 22:59:55 INFO MSTransformManager::parseDataSelParams field selection is 0,2 2025-03-15 22:59:55 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 22:59:55 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 22:59:55 INFO MSTransformManager::open Select data 2025-03-15 22:59:55 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 22:59:55 INFO MSTransformDataHandler::makeSelection 11536 out of 15344 rows are going to be considered due to the selection criteria. 2025-03-15 22:59:59 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-03-15 22:59:59 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m50 40d06m00' successfully parsed for field 0 2025-03-15 22:59:59 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 22h01m02 40d04m03' successfully parsed for field 2 2025-03-15 22:59:59 INFO phaseshift::::casa Shift phase center 2025-03-15 23:00:00 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:00:00 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 22:59:55.105203 End time: 2025-03-15 23:00:00.335969 2025-03-15 23:00:00 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:00:00 INFO phaseshift::::casa ########################################## .2025-03-15 23:00:00 INFO phaseshift::::casa ########################################## 2025-03-15 23:00:00 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:00:00 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-03-15 23:00:00 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-03-15 23:00:00 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:00:00 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-03-15 23:00:00 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:00:00 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:00:00 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:00:00 INFO MSTransformManager::open Select data 2025-03-15 23:00:00 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:00:04 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:00:04 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-03-15 23:00:04 INFO phaseshift::::casa Shift phase center 2025-03-15 23:00:05 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:00:05 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:00:00.460289 End time: 2025-03-15 23:00:05.205384 2025-03-15 23:00:05 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:00:05 INFO phaseshift::::casa ########################################## ..2025-03-15 23:00:06 INFO MeasIERS::fillMeas(MeasIERS::Files, Double) Requested JD 0 is outside the range of the IERS (Earth axis data) table. 2025-03-15 23:00:06 INFO MeasIERS::fillMeas(MeasIERS::Files, Double) + Calculations will proceed with less precision ..2025-03-15 23:00:06 SEVERE Error in QuantumHolder::fromString with input string "xxh53m50": Illegal input units or format 2025-03-15 23:00:06 SEVERE + in converting quantity from string 2025-03-15 23:00:06 SEVERE Exception Reported: Empty QuantumHolder argument for asQuantumDouble 2025-03-15 23:00:06 SEVERE Exception Reports: Empty QuantumHolder argument for asQuantumDouble 2025-03-15 23:00:06 SEVERE phaseshift::::casa *** Error measures.direction() failed for phasecenter string: BOGUS xxh53m50 40d06m00 when interpreting parameter 'phasecenter': ...2025-03-15 23:00:10 INFO phaseshift::::casa ########################################## 2025-03-15 23:00:10 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:00:10 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='1', observation='', datacolumn='all', phasecenter='ICRS 00h06m14 -06d23m35' ) 2025-03-15 23:00:10 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-03-15 23:00:10 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:00:10 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:00:10 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:00:10 INFO MSTransformManager::parseDataSelParams array selection is 1 2025-03-15 23:00:10 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:00:10 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:00:10 INFO MSTransformManager::open Select data 2025-03-15 23:00:10 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:00:10 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows. 2025-03-15 23:00:10 INFO phaseshift::::casa Traceback (most recent call last): 2025-03-15 23:00:10 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-03-15 23:00:10 INFO phaseshift::::casa+ task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] ) 2025-03-15 23:00:10 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-03-15 23:00:10 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-03-15 23:00:10 INFO phaseshift::::casa+ mtlocal.open() 2025-03-15 23:00:10 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open 2025-03-15 23:00:10 INFO phaseshift::::casa+ return self._swigobj.open() 2025-03-15 23:00:10 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^ 2025-03-15 23:00:10 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2025-03-15 23:00:10 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-03-15 23:00:10 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-03-15 23:00:10 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2025-03-15 23:00:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:00:09.653233 End time: 2025-03-15 23:00:09.702770 2025-03-15 23:00:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:00:10 INFO phaseshift::::casa ########################################## 2025-03-15 23:00:10 INFO phaseshift::::casa ########################################## 2025-03-15 23:00:10 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:00:10 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='0', observation='', datacolumn='all', phasecenter='ICRS 00h06m14 -06d23m35' ) 2025-03-15 23:00:10 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-03-15 23:00:10 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:00:10 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:00:10 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:00:10 INFO MSTransformManager::parseDataSelParams array selection is 0 2025-03-15 23:00:10 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:00:10 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:00:10 INFO MSTransformManager::open Select data 2025-03-15 23:00:10 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:00:15 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-03-15 23:00:15 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-03-15 23:01:11 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:01:11 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-03-15 23:01:11 INFO phaseshift::::casa Shift phase center 2025-03-15 23:01:12 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:01:12 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:00:09.704064 End time: 2025-03-15 23:01:12.117041 2025-03-15 23:01:12 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:01:12 INFO phaseshift::::casa ########################################## .2025-03-15 23:01:13 INFO phaseshift::::casa ########################################## 2025-03-15 23:01:13 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:01:13 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='MODEL', phasecenter='ICRS 00h06m14 -06d23m35' ) 2025-03-15 23:01:13 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-03-15 23:01:13 INFO MSTransformManager::parseMsSpecParams Data column is MODEL 2025-03-15 23:01:13 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:01:13 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:01:13 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:01:13 WARN MSTransformManager::checkDataColumnsToFill MODEL_DATA column requested but not available in input MS 2025-03-15 23:01:13 INFO MSTransformManager::open Select data 2025-03-15 23:01:13 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:01:13 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: Desired column (MODEL_DATA) not found in the input MS (/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/nep_copy.ms). 2025-03-15 23:01:13 INFO phaseshift::::casa Traceback (most recent call last): 2025-03-15 23:01:13 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-03-15 23:01:13 INFO phaseshift::::casa+ task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] ) 2025-03-15 23:01:13 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-03-15 23:01:13 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-03-15 23:01:13 INFO phaseshift::::casa+ mtlocal.open() 2025-03-15 23:01:13 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open 2025-03-15 23:01:13 INFO phaseshift::::casa+ return self._swigobj.open() 2025-03-15 23:01:13 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^ 2025-03-15 23:01:13 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2025-03-15 23:01:13 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-03-15 23:01:13 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-03-15 23:01:13 INFO phaseshift::::casa+ RuntimeError: Desired column (MODEL_DATA) not found in the input MS (/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/nep_copy.ms). 2025-03-15 23:01:13 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:01:13.160182 End time: 2025-03-15 23:01:13.188211 2025-03-15 23:01:13 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:01:13 INFO phaseshift::::casa ########################################## 2025-03-15 23:01:13 INFO phaseshift::::casa ########################################## 2025-03-15 23:01:13 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:01:13 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='DATA', phasecenter='ICRS 00h06m14 -06d23m35' ) 2025-03-15 23:01:13 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-03-15 23:01:13 INFO MSTransformManager::parseMsSpecParams Data column is DATA 2025-03-15 23:01:13 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:01:13 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:01:13 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:01:13 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:01:13 INFO MSTransformManager::open Select data 2025-03-15 23:01:13 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:01:19 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-03-15 23:01:19 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-03-15 23:01:21 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:01:21 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-03-15 23:01:21 INFO phaseshift::::casa Shift phase center 2025-03-15 23:01:22 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:01:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:01:13.189150 End time: 2025-03-15 23:01:22.129680 2025-03-15 23:01:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:01:22 INFO phaseshift::::casa ########################################## .2025-03-15 23:01:23 INFO phaseshift::::casa ########################################## 2025-03-15 23:01:23 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:01:23 INFO phaseshift::::casa phaseshift( vis='Itziar_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='2', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 00h00m01 -29d55m40' ) 2025-03-15 23:01:23 INFO MSTransformManager::parseMsSpecParams Input file name is Itziar_copy.ms 2025-03-15 23:01:23 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:01:23 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:01:23 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:01:23 INFO MSTransformManager::parseDataSelParams field selection is 2 2025-03-15 23:01:23 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:01:23 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:01:23 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:01:23 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:01:23 INFO MSTransformManager::open Select data 2025-03-15 23:01:23 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:01:23 INFO MSTransformDataHandler::makeSelection 6125 out of 245000 rows are going to be considered due to the selection criteria. 2025-03-15 23:01:26 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:01:26 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 00h00m01 -29d55m40' successfully parsed 2025-03-15 23:01:26 INFO phaseshift::::casa Shift phase center 2025-03-15 23:01:28 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:01:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:01:23.318814 End time: 2025-03-15 23:01:27.796927 2025-03-15 23:01:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:01:28 INFO phaseshift::::casa ########################################## .2025-03-15 23:01:29 INFO phaseshift::::casa ########################################## 2025-03-15 23:01:29 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:01:29 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='*FLUX*', array='', observation='', datacolumn='all', phasecenter='ICRS 00h06m14 -06d23m35' ) 2025-03-15 23:01:29 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-03-15 23:01:29 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:01:29 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:01:29 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:01:29 INFO MSTransformManager::parseDataSelParams scan intent selection is *FLUX* 2025-03-15 23:01:29 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:01:29 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:01:29 INFO MSTransformManager::open Select data 2025-03-15 23:01:29 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:01:29 INFO MSTransformDataHandler::makeSelection 570 out of 6270 rows are going to be considered due to the selection criteria. 2025-03-15 23:01:32 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-03-15 23:01:32 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-03-15 23:01:35 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:01:35 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-03-15 23:01:35 INFO phaseshift::::casa Shift phase center 2025-03-15 23:01:35 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:01:35 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:01:28.917728 End time: 2025-03-15 23:01:35.424782 2025-03-15 23:01:35 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:01:35 INFO phaseshift::::casa ########################################## .2025-03-15 23:01:37 INFO phaseshift::::casa ########################################## 2025-03-15 23:01:37 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:01:37 INFO phaseshift::::casa phaseshift( vis='mms_copy.mms', outputvis='phaseshiftout.ms', keepmms=False, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 05h30m48 13d31m48' ) 2025-03-15 23:01:37 INFO MSTransformManager::parseMsSpecParams Input file name is mms_copy.mms 2025-03-15 23:01:37 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:01:37 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:01:37 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:01:37 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:01:37 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:01:37 INFO MSTransformManager::open Select data 2025-03-15 23:01:37 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:01:41 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:01:41 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 05h30m48 13d31m48' successfully parsed 2025-03-15 23:01:41 INFO phaseshift::::casa Shift phase center 2025-03-15 23:01:42 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:01:42 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:01:36.546158 End time: 2025-03-15 23:01:42.014721 2025-03-15 23:01:42 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:01:42 INFO phaseshift::::casa ########################################## .2025-03-15 23:01:43 INFO phaseshift::::casa ########################################## 2025-03-15 23:01:43 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:01:43 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='1', datacolumn='all', phasecenter='ICRS 00h06m14 -06d23m35' ) 2025-03-15 23:01:43 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-03-15 23:01:43 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:01:43 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:01:43 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:01:43 INFO MSTransformManager::parseDataSelParams observation selection is 1 2025-03-15 23:01:43 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:01:43 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:01:43 INFO MSTransformManager::open Select data 2025-03-15 23:01:43 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:01:43 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows. 2025-03-15 23:01:43 INFO phaseshift::::casa Traceback (most recent call last): 2025-03-15 23:01:43 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-03-15 23:01:43 INFO phaseshift::::casa+ task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] ) 2025-03-15 23:01:43 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-03-15 23:01:43 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-03-15 23:01:43 INFO phaseshift::::casa+ mtlocal.open() 2025-03-15 23:01:43 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open 2025-03-15 23:01:43 INFO phaseshift::::casa+ return self._swigobj.open() 2025-03-15 23:01:43 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^ 2025-03-15 23:01:43 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2025-03-15 23:01:43 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-03-15 23:01:43 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-03-15 23:01:43 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2025-03-15 23:01:43 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:01:43.137356 End time: 2025-03-15 23:01:43.172295 2025-03-15 23:01:43 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:01:43 INFO phaseshift::::casa ########################################## 2025-03-15 23:01:43 INFO phaseshift::::casa ########################################## 2025-03-15 23:01:43 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:01:43 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='0', datacolumn='all', phasecenter='ICRS 00h06m14 -06d23m35' ) 2025-03-15 23:01:43 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-03-15 23:01:43 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:01:43 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:01:43 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:01:43 INFO MSTransformManager::parseDataSelParams observation selection is 0 2025-03-15 23:01:43 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:01:43 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:01:43 INFO MSTransformManager::open Select data 2025-03-15 23:01:43 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:01:49 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-03-15 23:01:49 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-03-15 23:01:52 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:01:52 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-03-15 23:01:52 INFO phaseshift::::casa Shift phase center 2025-03-15 23:01:53 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:01:53 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:01:43.173435 End time: 2025-03-15 23:01:52.657784 2025-03-15 23:01:53 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:01:53 INFO phaseshift::::casa ########################################## .2025-03-15 23:01:54 INFO phaseshift::::casa ########################################## 2025-03-15 23:01:54 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:01:54 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-03-15 23:01:54 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-03-15 23:01:54 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:01:54 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:01:54 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:01:54 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:01:54 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:01:54 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:01:54 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:01:54 INFO MSTransformManager::open Select data 2025-03-15 23:01:54 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:01:58 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:01:58 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-03-15 23:01:58 INFO phaseshift::::casa Shift phase center 2025-03-15 23:02:00 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:02:00 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:01:53.866167 End time: 2025-03-15 23:01:59.799396 2025-03-15 23:02:00 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:02:00 INFO phaseshift::::casa ########################################## .2025-03-15 23:02:01 INFO phaseshift::::casa ########################################## 2025-03-15 23:02:01 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:02:01 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='' ) 2025-03-15 23:02:01 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: phasecenter parameter must be specified 2025-03-15 23:02:01 INFO phaseshift::::casa Traceback (most recent call last): 2025-03-15 23:02:01 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-03-15 23:02:01 INFO phaseshift::::casa+ task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] ) 2025-03-15 23:02:01 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-03-15 23:02:01 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 31, in phaseshift 2025-03-15 23:02:01 INFO phaseshift::::casa+ raise ValueError("phasecenter parameter must be specified") 2025-03-15 23:02:01 INFO phaseshift::::casa+ ValueError: phasecenter parameter must be specified 2025-03-15 23:02:01 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:02:00.772755 End time: 2025-03-15 23:02:00.773905 2025-03-15 23:02:01 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:02:01 INFO phaseshift::::casa ########################################## 2025-03-15 23:02:01 INFO phaseshift::::casa ########################################## 2025-03-15 23:02:01 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:02:01 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 00h06m14 -08d23m35' ) 2025-03-15 23:02:01 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-03-15 23:02:01 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:02:01 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:02:01 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:02:01 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:02:01 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:02:01 INFO MSTransformManager::open Select data 2025-03-15 23:02:01 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:02:05 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-03-15 23:02:05 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-03-15 23:02:08 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:02:08 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -08d23m35' successfully parsed 2025-03-15 23:02:08 INFO phaseshift::::casa Shift phase center 2025-03-15 23:02:10 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:02:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:02:00.774883 End time: 2025-03-15 23:02:10.018758 2025-03-15 23:02:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:02:10 INFO phaseshift::::casa ########################################## .2025-03-15 23:02:11 INFO phaseshift::::casa ########################################## 2025-03-15 23:02:11 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:02:11 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='00h06m14 -08d23m35' ) 2025-03-15 23:02:11 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-03-15 23:02:11 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:02:11 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:02:11 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:02:11 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:02:11 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:02:11 INFO MSTransformManager::open Select data 2025-03-15 23:02:11 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:02:16 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-03-15 23:02:16 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-03-15 23:02:18 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:02:18 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center '00h06m14 -08d23m35' successfully parsed 2025-03-15 23:02:18 INFO phaseshift::::casa Shift phase center 2025-03-15 23:02:19 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:02:19 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:02:11.156896 End time: 2025-03-15 23:02:19.400684 2025-03-15 23:02:19 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:02:19 INFO phaseshift::::casa ########################################## .2025-03-15 23:02:21 INFO phaseshift::::casa ########################################## 2025-03-15 23:02:21 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:02:21 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='post_phaseshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-03-15 23:02:21 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-03-15 23:02:21 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:02:21 INFO MSTransformManager::parseMsSpecParams Output file name is post_phaseshift.ms 2025-03-15 23:02:21 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:02:21 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:02:21 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:02:21 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:02:21 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:02:21 INFO MSTransformManager::open Select data 2025-03-15 23:02:21 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:02:27 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:02:27 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-03-15 23:02:27 INFO phaseshift::::casa Shift phase center 2025-03-15 23:02:29 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:02:29 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:02:20.747004 End time: 2025-03-15 23:02:29.145643 2025-03-15 23:02:29 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:02:29 INFO phaseshift::::casa ########################################## 2025-03-15 23:02:29 INFO tclean::::casa ########################################## 2025-03-15 23:02:29 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:02:29 INFO tclean::::casa tclean( vis='datacopy.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='corrected', imagename='im2_pre', imsize=2048, cell='5arcsec', phasecenter='J2000 19h59m28.449 40d44m01.199', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='wproject', facets=1, psfphasecenter='', wprojplanes=128, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=0, gain=0.1, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:02:29 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:02:29 INFO SynthesisImagerVi2::selectData MS : datacopy.ms | [Opened in readonly mode] 2025-03-15 23:02:29 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2025-03-15 23:02:29 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_pre] : 2025-03-15 23:02:29 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_pre] : 2025-03-15 23:02:30 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:02:30 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2025-03-15 23:02:30 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_pre] with ftmachine : wprojectft 2025-03-15 23:02:30 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 48.15 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:02:30 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:02:30 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_pre] : hogbom 2025-03-15 23:02:30 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:02:30 INFO WPConvFunc::findConvFunction W projection using 128 planes 2025-03-15 23:02:30 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2025-03-15 23:02:30 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2025-03-15 23:02:30 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2025-03-15 23:02:45 INFO WPConvFunc::findConvFunction Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 44, 44, 48, 48, 48, 48, 48, 52, 52, 52, 52, 52, 52, 56, 56, 56, 56, 56, 60, 60, 60, 60, 60, 64, 64, 64, 64, 64, 68, 68, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 76, 80, 80, 80] pixels in Fourier plane 2025-03-15 23:03:01 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 64265 MB 0%....10....20....30....40....50....60....70....80....90....100% 2025-03-15 23:03:30 INFO SIImageStore::calcSensitivity [im2_pre] Theoretical sensitivity (Jy/bm):0.00204403 2025-03-15 23:03:30 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.125604 2025-03-15 23:03:30 INFO SIImageStore::printBeamSet Beam : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg 2025-03-15 23:03:30 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:03:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:03:34 INFO task_tclean::SDAlgorithmBase::restore [im2_pre] : Restoring model image. 2025-03-15 23:03:34 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2345) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2025-03-15 23:03:35 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg 2025-03-15 23:03:35 INFO tclean::::casa Searching for images with prefix 'im2_pre'... Found these, writing history into them: ['im2_pre.pb', 'im2_pre.psf', 'im2_pre.residual', 'im2_pre.sumwt', 'im2_pre.image', 'im2_pre.model'] 2025-03-15 23:03:37 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:02:29.271279 End time: 2025-03-15 23:03:36.748926 2025-03-15 23:03:37 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:03:37 INFO tclean::::casa ########################################## 2025-03-15 23:03:37 INFO tclean::::casa ########################################## 2025-03-15 23:03:37 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:03:37 INFO tclean::::casa tclean( vis='post_phaseshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='corrected', imagename='im2_post_phaseshift', imsize=2048, cell='5arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='wproject', facets=1, psfphasecenter='', wprojplanes=128, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=0, gain=0.1, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:03:37 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:03:37 INFO SynthesisImagerVi2::selectData MS : post_phaseshift.ms | [Opened in readonly mode] 2025-03-15 23:03:37 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2025-03-15 23:03:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift] : 2025-03-15 23:03:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift] : 2025-03-15 23:03:37 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:03:37 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2025-03-15 23:03:37 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_post_phaseshift] with ftmachine : wprojectft 2025-03-15 23:03:37 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 48.14 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:03:37 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:03:37 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_post_phaseshift] : hogbom 2025-03-15 23:03:37 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:03:38 INFO WPConvFunc::findConvFunction W projection using 128 planes 2025-03-15 23:03:38 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2025-03-15 23:03:38 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2025-03-15 23:03:38 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2025-03-15 23:03:53 INFO WPConvFunc::findConvFunction Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 44, 44, 48, 48, 48, 48, 48, 52, 52, 52, 52, 52, 52, 56, 56, 56, 56, 56, 60, 60, 60, 60, 60, 64, 64, 64, 64, 64, 68, 68, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 76, 80, 80, 80] pixels in Fourier plane 2025-03-15 23:03:53 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 64265 MB 2025-03-15 23:03:55 INFO SIImageStore::calcSensitivity [im2_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00204403 2025-03-15 23:03:55 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.117257 2025-03-15 23:03:55 INFO SIImageStore::printBeamSet Beam : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg 2025-03-15 23:03:55 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:03:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:04:01 INFO task_tclean::SDAlgorithmBase::restore [im2_post_phaseshift] : Restoring model image. 2025-03-15 23:04:01 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2345) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2025-03-15 23:04:05 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg 2025-03-15 23:04:05 INFO tclean::::casa Searching for images with prefix 'im2_post_phaseshift'... Found these, writing history into them: ['im2_post_phaseshift.pb', 'im2_post_phaseshift.model', 'im2_post_phaseshift.residual', 'im2_post_phaseshift.psf', 'im2_post_phaseshift.image', 'im2_post_phaseshift.sumwt'] 2025-03-15 23:04:06 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:03:36.795004 End time: 2025-03-15 23:04:06.057268 2025-03-15 23:04:06 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:04:06 INFO tclean::::casa ########################################## 2025-03-15 23:04:06 INFO tclean::::casa ########################################## 2025-03-15 23:04:06 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:04:06 INFO tclean::::casa tclean( vis='post_phaseshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='corrected', imagename='im2_post_phaseshift_tclean_phasecenter', imsize=2048, cell='5arcsec', phasecenter='J2000 19h59m28.449 40d44m01.199', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='wproject', facets=1, psfphasecenter='', wprojplanes=128, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=0, gain=0.1, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:04:06 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:04:06 INFO SynthesisImagerVi2::selectData MS : post_phaseshift.ms | [Opened in readonly mode] 2025-03-15 23:04:06 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2025-03-15 23:04:06 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 2025-03-15 23:04:06 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 2025-03-15 23:04:06 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:04:06 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2025-03-15 23:04:06 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_post_phaseshift_tclean_phasecenter] with ftmachine : wprojectft 2025-03-15 23:04:06 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 48.13 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:04:06 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:04:06 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_post_phaseshift_tclean_phasecenter] : hogbom 2025-03-15 23:04:06 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:04:09 INFO WPConvFunc::findConvFunction W projection using 128 planes 2025-03-15 23:04:09 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2025-03-15 23:04:09 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2025-03-15 23:04:09 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2025-03-15 23:04:23 INFO WPConvFunc::findConvFunction Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 44, 44, 48, 48, 48, 48, 48, 52, 52, 52, 52, 52, 52, 56, 56, 56, 56, 56, 60, 60, 60, 60, 60, 64, 64, 64, 64, 64, 68, 68, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 76, 80, 80, 80] pixels in Fourier plane 2025-03-15 23:04:23 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 64265 MB 2025-03-15 23:04:26 INFO SIImageStore::calcSensitivity [im2_post_phaseshift_tclean_phasecenter] Theoretical sensitivity (Jy/bm):0.00204403 2025-03-15 23:04:27 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.125907 2025-03-15 23:04:27 INFO SIImageStore::printBeamSet Beam : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg 2025-03-15 23:04:27 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:04:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:04:32 INFO task_tclean::SDAlgorithmBase::restore [im2_post_phaseshift_tclean_phasecenter] : Restoring model image. 2025-03-15 23:04:32 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2345) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2025-03-15 23:04:37 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg 2025-03-15 23:04:37 INFO tclean::::casa Searching for images with prefix 'im2_post_phaseshift_tclean_phasecenter'... Found these, writing history into them: ['im2_post_phaseshift_tclean_phasecenter.pb', 'im2_post_phaseshift_tclean_phasecenter.residual', 'im2_post_phaseshift_tclean_phasecenter.image', 'im2_post_phaseshift_tclean_phasecenter.psf', 'im2_post_phaseshift_tclean_phasecenter.model', 'im2_post_phaseshift_tclean_phasecenter.sumwt'] 2025-03-15 23:04:41 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:04:06.099983 End time: 2025-03-15 23:04:40.955953 2025-03-15 23:04:41 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:04:41 INFO tclean::::casa ########################################## Image value at source locations Original MS : {'unit': 'Jy/beam', 'value': 1.0387226343154907} and {'unit': 'Jy/beam', 'value': 5.590171813964844} Phase shifted MS : {'unit': 'Jy/beam', 'value': 1.038696050643921} and {'unit': 'Jy/beam', 'value': 5.589254856109619} .2025-03-15 23:04:42 INFO phaseshift::::casa ########################################## 2025-03-15 23:04:42 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:04:42 INFO phaseshift::::casa phaseshift( vis='ngc_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='1', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 23h11m54 61d10m54' ) 2025-03-15 23:04:42 INFO MSTransformManager::parseMsSpecParams Input file name is ngc_copy.ms 2025-03-15 23:04:42 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:04:42 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:04:42 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:04:42 INFO MSTransformManager::parseDataSelParams spw selection is 1 2025-03-15 23:04:42 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:04:42 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:04:42 INFO MSTransformManager::initDataSelectionParams Selected SPWs Ids are Axis Lengths: [1, 4] (NB: Matrix in Row/Column order) 2025-03-15 23:04:42 INFO MSTransformManager::initDataSelectionParams+ [1, 0, 4, 1] 2025-03-15 23:04:42 INFO MSTransformManager::open Select data 2025-03-15 23:04:42 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:04:42 INFO MSTransformDataHandler::makeSelection 13338 out of 26676 rows are going to be considered due to the selection criteria. 2025-03-15 23:04:47 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:04:47 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 23h11m54 61d10m54' successfully parsed 2025-03-15 23:04:47 INFO phaseshift::::casa Shift phase center 2025-03-15 23:04:48 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:04:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:04:42.042494 End time: 2025-03-15 23:04:47.810168 2025-03-15 23:04:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:04:48 INFO phaseshift::::casa ########################################## .2025-03-15 23:04:49 INFO phaseshift::::casa ########################################## 2025-03-15 23:04:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:04:49 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-03-15 23:04:49 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-03-15 23:04:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:04:49 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-03-15 23:04:49 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:04:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:04:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:04:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:04:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:04:49 INFO MSTransformManager::open Select data 2025-03-15 23:04:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:04:51 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:04:51 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-03-15 23:04:51 INFO phaseshift::::casa Shift phase center 2025-03-15 23:04:53 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:04:53 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:04:48.814370 End time: 2025-03-15 23:04:53.201372 2025-03-15 23:04:53 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:04:53 INFO phaseshift::::casa ########################################## .2025-03-15 23:04:54 INFO phaseshift::::casa ########################################## 2025-03-15 23:04:54 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:04:54 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='0', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' ) 2025-03-15 23:04:54 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:04:54 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:04:54 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:04:54 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:04:54 INFO MSTransformManager::parseDataSelParams field selection is 0 2025-03-15 23:04:54 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:04:54 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:04:54 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:04:54 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:04:54 INFO MSTransformManager::open Select data 2025-03-15 23:04:54 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:04:54 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-03-15 23:04:59 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:04:59 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed 2025-03-15 23:04:59 INFO phaseshift::::casa Shift phase center 2025-03-15 23:05:00 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:05:00 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:04:54.048684 End time: 2025-03-15 23:04:59.969662 2025-03-15 23:05:00 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:05:00 INFO phaseshift::::casa ########################################## 2025-03-15 23:05:00 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-03-15 23:05:00 INFO tclean::::casa ########################################## 2025-03-15 23:05:00 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:05:00 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:05:00 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:05:00 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:05:00 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-03-15 23:05:00 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:05:00 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:05:00 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:05:00 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07] 2025-03-15 23:05:00 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:05:00 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.13 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:05:00 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:05:00 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:05:00 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:05:02 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-03-15 23:05:02 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.034188 2025-03-15 23:05:02 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-03-15 23:05:02 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:05:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:05:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:05:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:05:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:05:04 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:05:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3 2025-03-15 23:05:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:05:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:05:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:05:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:05:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3 2025-03-15 23:05:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2025-03-15 23:05:07 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:05:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:05:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2025-03-15 23:05:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3 2025-03-15 23:05:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2025-03-15 23:05:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:05:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:05:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184 2025-03-15 23:05:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3 2025-03-15 23:05:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter. 2025-03-15 23:05:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:05:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:05:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276 2025-03-15 23:05:14 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:05:14 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:05:14 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:05:16 INFO SIImageStore::restore Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-03-15 23:05:16 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:05:18 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:05:00.057231 End time: 2025-03-15 23:05:17.867212 2025-03-15 23:05:18 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:05:18 INFO tclean::::casa ########################################## 2025-03-15 23:05:18 INFO imstat::::casa ########################################## 2025-03-15 23:05:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:05:18 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:05:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:05:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:05:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:05:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:05:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:05:18 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz to 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz) 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz 2025-03-15 23:05:18 INFO imstat:::: Values --- 2025-03-15 23:05:18 INFO imstat:::: -- flux density [flux]: 4.99409 Jy 2025-03-15 23:05:18 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:05:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- minimum value [min]: -0.00012283 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2025-03-15 23:05:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [100, 55, 0, 0] 2025-03-15 23:05:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz 2025-03-15 23:05:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz 2025-03-15 23:05:18 INFO imstat:::: -- Sum of pixel values [sum]: 605.961 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1516.75 Jy/beam.Jy/beam 2025-03-15 23:05:18 INFO imstat:::: Statistics --- 2025-03-15 23:05:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00924623 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- Variance of the pixel values : 0.0230586 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.15185 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- Root mean square [rms]: 0.152131 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- Median of the pixel values [median]: -2.09007e-05 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- IQR [quartile]: 6.1616e-05 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- First quartile [q1]: -4.79744e-05 Jy/beam 2025-03-15 23:05:18 INFO imstat:::: -- Third quartile [q3]: 1.36416e-05 Jy/beam 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:05:18 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.059610e+02 9.246232e-03 1.521305e-01 1.518505e-01 -1.228298e-04 4.999997e+00 2025-03-15 23:05:18 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:05:17.896212 End time: 2025-03-15 23:05:17.935677 2025-03-15 23:05:18 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:05:18 INFO imstat::::casa ########################################## 2025-03-15 23:05:18 INFO phaseshift::::casa ########################################## 2025-03-15 23:05:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:05:18 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='fake', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' ) 2025-03-15 23:05:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:05:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:05:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:05:18 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:05:18 INFO MSTransformManager::parseDataSelParams field selection is fake 2025-03-15 23:05:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:05:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:05:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:05:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:05:18 INFO MSTransformManager::open Select data 2025-03-15 23:05:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:05:18 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-03-15 23:05:20 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:05:20 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed 2025-03-15 23:05:20 INFO phaseshift::::casa Shift phase center 2025-03-15 23:05:21 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:05:21 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:05:17.954561 End time: 2025-03-15 23:05:21.251120 2025-03-15 23:05:21 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:05:21 INFO phaseshift::::casa ########################################## 2025-03-15 23:05:21 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data.ms... 2025-03-15 23:05:21 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-03-15 23:05:21 INFO tclean::::casa ########################################## 2025-03-15 23:05:21 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:05:21 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 ) 2025-03-15 23:05:21 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:05:21 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:05:21 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-03-15 23:05:21 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:05:21 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:05:21 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:05:21 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07] 2025-03-15 23:05:21 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:05:21 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.13 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:05:21 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:05:21 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:05:21 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:05:23 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-03-15 23:05:23 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.032778 2025-03-15 23:05:23 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-03-15 23:05:23 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:05:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:05:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:05:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:05:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:05:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:05:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3 2025-03-15 23:05:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:05:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:05:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:05:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:05:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3 2025-03-15 23:05:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2025-03-15 23:05:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:05:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:05:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2025-03-15 23:05:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3 2025-03-15 23:05:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2025-03-15 23:05:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:05:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:05:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184 2025-03-15 23:05:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3 2025-03-15 23:05:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter. 2025-03-15 23:05:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:05:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:05:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276 2025-03-15 23:05:34 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:05:34 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:05:34 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:05:35 INFO SIImageStore::restore Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-03-15 23:05:35 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:05:37 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:05:21.332059 End time: 2025-03-15 23:05:37.128850 2025-03-15 23:05:37 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:05:37 INFO tclean::::casa ########################################## 2025-03-15 23:05:37 INFO imstat::::casa ########################################## 2025-03-15 23:05:37 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:05:37 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:05:37 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:05:37 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:05:37 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:05:37 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:05:37 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:05:37 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz to 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz) 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz 2025-03-15 23:05:37 INFO imstat:::: Values --- 2025-03-15 23:05:37 INFO imstat:::: -- flux density [flux]: 4.99409 Jy 2025-03-15 23:05:37 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:05:37 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- minimum value [min]: -0.00012283 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2025-03-15 23:05:37 INFO imstat:::: -- position of min value (pixel) [minpos]: [100, 55, 0, 0] 2025-03-15 23:05:37 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz 2025-03-15 23:05:37 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz 2025-03-15 23:05:37 INFO imstat:::: -- Sum of pixel values [sum]: 605.961 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1516.75 Jy/beam.Jy/beam 2025-03-15 23:05:37 INFO imstat:::: Statistics --- 2025-03-15 23:05:37 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00924623 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- Variance of the pixel values : 0.0230586 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.15185 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- Root mean square [rms]: 0.152131 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- Median of the pixel values [median]: -2.09007e-05 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- IQR [quartile]: 6.1616e-05 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- First quartile [q1]: -4.79744e-05 Jy/beam 2025-03-15 23:05:37 INFO imstat:::: -- Third quartile [q3]: 1.36416e-05 Jy/beam 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:05:37 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.059610e+02 9.246232e-03 1.521305e-01 1.518505e-01 -1.228298e-04 4.999997e+00 2025-03-15 23:05:37 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:05:37.134297 End time: 2025-03-15 23:05:37.175193 2025-03-15 23:05:37 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:05:37 INFO imstat::::casa ########################################## 2025-03-15 23:05:37 INFO phaseshift::::casa ########################################## 2025-03-15 23:05:37 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:05:37 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' ) 2025-03-15 23:05:37 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:05:37 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:05:37 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:05:37 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:05:37 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:05:37 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:05:37 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:05:37 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:05:37 INFO MSTransformManager::open Select data 2025-03-15 23:05:37 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:05:44 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:05:44 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed 2025-03-15 23:05:44 INFO phaseshift::::casa Shift phase center 2025-03-15 23:05:46 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:05:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:05:37.196022 End time: 2025-03-15 23:05:45.896914 2025-03-15 23:05:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:05:46 INFO phaseshift::::casa ########################################## 2025-03-15 23:05:46 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-03-15 23:05:46 INFO tclean::::casa ########################################## 2025-03-15 23:05:46 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:05:46 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:05:46 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:05:46 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:05:46 INFO SynthesisImagerVi2::selectData NRows selected : 7020 2025-03-15 23:05:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:05:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:05:46 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:05:46 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:05:46 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:05:46 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.13 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:05:46 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:05:46 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:05:46 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:05:48 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00843949 2025-03-15 23:05:48 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029195 2025-03-15 23:05:48 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg 2025-03-15 23:05:48 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:05:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:05:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:05:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:05:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:05:50 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:05:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6069034934043884, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.606903, CycleNiter=20, Gain=0.3 2025-03-15 23:05:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:05:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:05:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:05:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:05:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07140088081359863, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0714009, CycleNiter=14, Gain=0.3 2025-03-15 23:05:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2025-03-15 23:05:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:05:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:05:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2025-03-15 23:05:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00840018317103386, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00840018, CycleNiter=8, Gain=0.3 2025-03-15 23:05:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2025-03-15 23:05:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:05:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:05:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814189, over full image : 0.00814189 2025-03-15 23:05:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009882674785330892, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:05:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000988267, CycleNiter=2, Gain=0.3 2025-03-15 23:05:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814189->0.00279267, Reached cycleniter. 2025-03-15 23:05:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:05:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:05:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0027928, over full image : 0.0027928 2025-03-15 23:05:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:05:59 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:05:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:06:00 INFO SIImageStore::restore Beam for chan : 0 : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg 2025-03-15 23:06:00 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:06:02 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:05:45.985709 End time: 2025-03-15 23:06:01.678565 2025-03-15 23:06:02 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:06:02 INFO tclean::::casa ########################################## 2025-03-15 23:06:02 INFO imstat::::casa ########################################## 2025-03-15 23:06:02 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:06:02 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:06:02 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:06:02 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:06:02 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:06:02 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:06:02 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:06:02 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.888, +39.49.25.864, I, 999981604.64Hz to 19:52:21.069, +40.23.25.888, I, 999981604.64Hz) 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 999981604.64Hz 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 999981604.64Hz 2025-03-15 23:06:02 INFO imstat:::: Values --- 2025-03-15 23:06:02 INFO imstat:::: -- flux density [flux]: 4.99444 Jy 2025-03-15 23:06:02 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:06:02 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- minimum value [min]: -9.70533e-05 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2025-03-15 23:06:02 INFO imstat:::: -- position of min value (pixel) [minpos]: [158, 70, 0, 0] 2025-03-15 23:06:02 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981604.64Hz 2025-03-15 23:06:02 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:29.120, +39.58.47.882, I, 999981604.64Hz 2025-03-15 23:06:02 INFO imstat:::: -- Sum of pixel values [sum]: 610.203 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1527.26 Jy/beam.Jy/beam 2025-03-15 23:06:02 INFO imstat:::: Statistics --- 2025-03-15 23:06:02 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00931096 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- Variance of the pixel values : 0.0232178 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152374 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- Root mean square [rms]: 0.152657 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- Median of the pixel values [median]: -1.85752e-05 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.83975e-05 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- IQR [quartile]: 3.74524e-05 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- First quartile [q1]: -3.53147e-05 Jy/beam 2025-03-15 23:06:02 INFO imstat:::: -- Third quartile [q3]: 2.13765e-06 Jy/beam 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:06:02 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.102032e+02 9.310961e-03 1.526569e-01 1.523738e-01 -9.705327e-05 4.999997e+00 2025-03-15 23:06:02 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:06:01.683578 End time: 2025-03-15 23:06:01.736986 2025-03-15 23:06:02 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:06:02 INFO imstat::::casa ########################################## 2025-03-15 23:06:02 INFO phaseshift::::casa ########################################## 2025-03-15 23:06:02 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:06:02 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='1', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 50.108888889deg' ) 2025-03-15 23:06:02 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:06:02 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:06:02 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:06:02 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:06:02 INFO MSTransformManager::parseDataSelParams field selection is 1 2025-03-15 23:06:02 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:06:02 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:06:02 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:06:02 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:06:02 INFO MSTransformManager::open Select data 2025-03-15 23:06:02 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:06:02 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-03-15 23:06:05 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:06:05 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed 2025-03-15 23:06:05 INFO phaseshift::::casa Shift phase center 2025-03-15 23:06:06 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:06:07 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:06:01.759664 End time: 2025-03-15 23:06:06.563871 2025-03-15 23:06:07 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:06:07 INFO phaseshift::::casa ########################################## 2025-03-15 23:06:07 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-03-15 23:06:07 INFO tclean::::casa ########################################## 2025-03-15 23:06:07 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:06:07 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:06:07 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:06:07 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:06:07 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-03-15 23:06:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:06:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:06:07 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:06:07 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07] 2025-03-15 23:06:07 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:06:07 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.13 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:06:07 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:06:07 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:06:07 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:06:08 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-03-15 23:06:08 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.02953 2025-03-15 23:06:08 INFO task_tclean::SIImageStore::printBeamSet Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-03-15 23:06:08 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:06:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:06:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 0.290316 2025-03-15 23:06:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:06:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:06:11 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2025-03-15 23:06:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:06:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3 2025-03-15 23:06:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter. 2025-03-15 23:06:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:06:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:06:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.180075, over full image : 0.180075 2025-03-15 23:06:13 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:06:13 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:06:13 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:06:17 INFO SIImageStore::restore Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-03-15 23:06:17 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:06:20 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:06:06.649994 End time: 2025-03-15 23:06:19.734208 2025-03-15 23:06:20 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:06:20 INFO tclean::::casa ########################################## 2025-03-15 23:06:20 INFO imstat::::casa ########################################## 2025-03-15 23:06:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:06:20 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:06:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:06:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:06:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:06:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:06:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:06:20 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz to 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz) 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz 2025-03-15 23:06:20 INFO imstat:::: Values --- 2025-03-15 23:06:20 INFO imstat:::: -- flux density [flux]: -0.242513 Jy 2025-03-15 23:06:20 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:06:20 INFO imstat:::: -- maximum value [max]: 0.285872 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- minimum value [min]: -0.1468 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [54, 120, 0, 0] 2025-03-15 23:06:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [148, 28, 0, 0] 2025-03-15 23:06:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz 2025-03-15 23:06:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz 2025-03-15 23:06:20 INFO imstat:::: -- Sum of pixel values [sum]: -29.9309 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 233.452 Jy/beam.Jy/beam 2025-03-15 23:06:20 INFO imstat:::: Statistics --- 2025-03-15 23:06:20 INFO imstat:::: -- Mean of the pixel values [mean]: -0.00045671 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- Variance of the pixel values : 0.00356204 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0596828 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- Root mean square [rms]: 0.0596841 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- Median of the pixel values [median]: -0.00646386 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- IQR [quartile]: 0.0789052 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- First quartile [q1]: -0.0432754 Jy/beam 2025-03-15 23:06:20 INFO imstat:::: -- Third quartile [q3]: 0.0356299 Jy/beam 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:06:20 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 -2.993095e+01 -4.567100e-04 5.968411e-02 5.968282e-02 -1.468002e-01 2.858716e-01 2025-03-15 23:06:20 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:06:19.739418 End time: 2025-03-15 23:06:19.780093 2025-03-15 23:06:20 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:06:20 INFO imstat::::casa ########################################## 2025-03-15 23:06:20 INFO phaseshift::::casa ########################################## 2025-03-15 23:06:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:06:20 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='pretend', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 50.108888889deg' ) 2025-03-15 23:06:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:06:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:06:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:06:20 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:06:20 INFO MSTransformManager::parseDataSelParams field selection is pretend 2025-03-15 23:06:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:06:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:06:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:06:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:06:20 INFO MSTransformManager::open Select data 2025-03-15 23:06:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:06:20 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-03-15 23:06:24 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:06:24 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed 2025-03-15 23:06:24 INFO phaseshift::::casa Shift phase center 2025-03-15 23:06:25 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:06:25 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:06:19.800857 End time: 2025-03-15 23:06:25.427353 2025-03-15 23:06:25 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:06:25 INFO phaseshift::::casa ########################################## 2025-03-15 23:06:25 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data.ms... 2025-03-15 23:06:25 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-03-15 23:06:26 INFO tclean::::casa ########################################## 2025-03-15 23:06:26 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:06:26 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:06:26 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:06:26 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:06:26 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-03-15 23:06:26 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:06:26 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:06:26 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:06:26 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07] 2025-03-15 23:06:26 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:06:26 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.13 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:06:26 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:06:26 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:06:26 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:06:27 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-03-15 23:06:27 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027255 2025-03-15 23:06:27 INFO task_tclean::SIImageStore::printBeamSet Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-03-15 23:06:27 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:06:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:06:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 0.290316 2025-03-15 23:06:30 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:06:30 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:06:30 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2025-03-15 23:06:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:06:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3 2025-03-15 23:06:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter. 2025-03-15 23:06:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:06:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:06:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.180075, over full image : 0.180075 2025-03-15 23:06:32 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:06:32 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:06:32 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:06:33 INFO SIImageStore::restore Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-03-15 23:06:33 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:06:35 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:06:25.522612 End time: 2025-03-15 23:06:34.689496 2025-03-15 23:06:35 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:06:35 INFO tclean::::casa ########################################## 2025-03-15 23:06:35 INFO imstat::::casa ########################################## 2025-03-15 23:06:35 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:06:35 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:06:35 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:06:35 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:06:35 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:06:35 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:06:35 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:06:35 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz to 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz) 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz 2025-03-15 23:06:35 INFO imstat:::: Values --- 2025-03-15 23:06:35 INFO imstat:::: -- flux density [flux]: -0.242513 Jy 2025-03-15 23:06:35 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:06:35 INFO imstat:::: -- maximum value [max]: 0.285872 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- minimum value [min]: -0.1468 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- position of max value (pixel) [maxpos]: [54, 120, 0, 0] 2025-03-15 23:06:35 INFO imstat:::: -- position of min value (pixel) [minpos]: [148, 28, 0, 0] 2025-03-15 23:06:35 INFO imstat:::: -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz 2025-03-15 23:06:35 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz 2025-03-15 23:06:35 INFO imstat:::: -- Sum of pixel values [sum]: -29.9309 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 233.452 Jy/beam.Jy/beam 2025-03-15 23:06:35 INFO imstat:::: Statistics --- 2025-03-15 23:06:35 INFO imstat:::: -- Mean of the pixel values [mean]: -0.00045671 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- Variance of the pixel values : 0.00356204 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0596828 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- Root mean square [rms]: 0.0596841 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- Median of the pixel values [median]: -0.00646386 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- IQR [quartile]: 0.0789052 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- First quartile [q1]: -0.0432754 Jy/beam 2025-03-15 23:06:35 INFO imstat:::: -- Third quartile [q3]: 0.0356299 Jy/beam 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:06:35 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 -2.993095e+01 -4.567100e-04 5.968411e-02 5.968282e-02 -1.468002e-01 2.858716e-01 2025-03-15 23:06:35 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:06:34.694014 End time: 2025-03-15 23:06:34.748936 2025-03-15 23:06:35 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:06:35 INFO imstat::::casa ########################################## .2025-03-15 23:06:35 INFO tclean::::casa ########################################## 2025-03-15 23:06:35 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:06:35 INFO tclean::::casa tclean( vis='sim_data.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_orig', imsize=2048, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='wproject', facets=1, psfphasecenter='', wprojplanes=128, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:06:35 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:06:35 INFO SynthesisImagerVi2::selectData MS : sim_data.ms | [Opened in readonly mode] 2025-03-15 23:06:35 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:06:35 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_orig] : 2025-03-15 23:06:35 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_orig] : 2025-03-15 23:06:35 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:06:35 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [9.99981e+08] at [0] with increment [1e+08] 2025-03-15 23:06:35 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_orig] with ftmachine : wprojectft 2025-03-15 23:06:35 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 48.13 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:06:35 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:06:35 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_orig] : hogbom 2025-03-15 23:06:35 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:06:36 INFO task_tclean::WPConvFunc::findConvFunction W projection using 128 planes 2025-03-15 23:06:36 INFO task_tclean::WPConvFunc::findConvFunction Using maximum possible W = 6445.78 (wavelengths) 2025-03-15 23:06:36 INFO task_tclean::WPConvFunc::findConvFunction Typical wavelength = 0.299799 (m) 2025-03-15 23:06:36 INFO task_tclean::WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.399639 wavelengths per pixel 2025-03-15 23:06:51 INFO task_tclean::WPConvFunc::findConvFunction Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 48, 48, 48, 48, 52, 52, 52, 52, 52, 56, 56, 56, 56, 60, 60, 60, 60, 64, 64, 64, 64, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 80, 80, 80, 80, 84, 84, 84, 88, 88, 88, 92, 92, 92, 96, 96, 96, 100, 100, 100, 104, 104, 108, 108, 108, 112, 112, 112, 116, 116] pixels in Fourier plane 2025-03-15 23:06:51 INFO task_tclean::WPConvFunc::findConvFunction Memory used in gridding function = 14 MB from maximum 64265 MB 2025-03-15 23:06:54 INFO task_tclean::SIImageStore::calcSensitivity [im_orig] Theoretical sensitivity (Jy/bm):0.00889437 2025-03-15 23:06:54 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.125637 2025-03-15 23:06:54 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg 2025-03-15 23:06:54 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:06:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:06:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 4.94899 2025-03-15 23:06:59 INFO SynthesisDeconvolver::setupMask [im_orig] Initializing new mask to 1.0 for the full image 2025-03-15 23:06:59 INFO SynthesisDeconvolver::setupMask [im_orig] Number of pixels in the clean mask : 4.1943e+06 out of a total of 4.1943e+06 pixels. [ 100 % ] 2025-03-15 23:06:59 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 4.94899, over full image : 4.94899 2025-03-15 23:06:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.5971387624740601, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:06:59 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.597139, CycleNiter=20, Gain=0.3 2025-03-15 23:07:01 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->7 [7], model=0->4.6028, peakres=4.94899->0.435227, Reached cyclethreshold. 2025-03-15 23:07:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 7 iterations. 2025-03-15 23:07:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:07:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.45574, over full image : 0.45574 2025-03-15 23:07:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 13, 'cyclethreshold': 0.05498892068862915, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:07:05 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.0549889, CycleNiter=13, Gain=0.3 2025-03-15 23:07:06 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->7 [7], model=4.6028->5.02619, peakres=0.45574->0.0435268, Reached cyclethreshold. 2025-03-15 23:07:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 14 iterations. 2025-03-15 23:07:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:07:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0416506, over full image : 0.0416506 2025-03-15 23:07:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 6, 'cyclethreshold': 0.005025505553930998, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:07:10 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.00502551, CycleNiter=6, Gain=0.3 2025-03-15 23:07:11 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->6 [6], model=5.02619->5.04001, peakres=0.0416506->0.0226678, Reached cycleniter. 2025-03-15 23:07:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:07:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:07:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.022671, over full image : 0.022671 2025-03-15 23:07:15 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:07:15 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:07:15 INFO SDAlgorithmBase::restore [im_orig] : Restoring model image. 2025-03-15 23:07:16 INFO SIImageStore::restore Beam for chan : 0 : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg 2025-03-15 23:07:17 INFO tclean::::casa Searching for images with prefix 'im_orig'... Found these, writing history into them: ['im_orig.residual', 'im_orig.sumwt', 'im_orig.image', 'im_orig.psf', 'im_orig.model', 'im_orig.mask', 'im_orig.pb'] 2025-03-15 23:07:18 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:06:35.259775 End time: 2025-03-15 23:07:18.009149 2025-03-15 23:07:18 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:07:18 INFO tclean::::casa ########################################## 2025-03-15 23:07:18 INFO imstat::::casa ########################################## 2025-03-15 23:07:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:07:18 INFO imstat::::casa imstat( imagename='im_orig.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:07:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:07:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:07:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:07:18 INFO imstat::image::statistics Determining stats for image im_orig.image 2025-03-15 23:07:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:07:18 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [2047, 2047, 0, 0] (20:11:05.220, +38.21.11.967, I, 999980841.3Hz to 19:47:03.322, +42.54.02.996, I, 999980841.3Hz) 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [2047, 2047, 0, 0] 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 20:11:05.220, +38.21.11.967, I, 999980841.3Hz 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:47:03.322, +42.54.02.996, I, 999980841.3Hz 2025-03-15 23:07:18 INFO imstat:::: Values --- 2025-03-15 23:07:18 INFO imstat:::: -- flux density [flux]: 5.2713 Jy 2025-03-15 23:07:18 INFO imstat:::: -- number of points [npts]: 4.1943e+06 2025-03-15 23:07:18 INFO imstat:::: -- maximum value [max]: 4.97713 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- minimum value [min]: -0.022671 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [1509, 773, 0, 0] 2025-03-15 23:07:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [1708, 965, 0, 0] 2025-03-15 23:07:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.302, +40.06.02.372, I, 999980841.3Hz 2025-03-15 23:07:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:51:28.525, +40.31.07.260, I, 999980841.3Hz 2025-03-15 23:07:18 INFO imstat:::: -- Sum of pixel values [sum]: 641.87 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1619.58 Jy/beam.Jy/beam 2025-03-15 23:07:18 INFO imstat:::: Statistics --- 2025-03-15 23:07:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.000153034 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- Variance of the pixel values : 0.000386116 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0196498 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- Root mean square [rms]: 0.0196504 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- Median of the pixel values [median]: 4.61875e-06 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.003161 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- IQR [quartile]: 0.00632194 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- First quartile [q1]: -0.00315521 Jy/beam 2025-03-15 23:07:18 INFO imstat:::: -- Third quartile [q3]: 0.00316673 Jy/beam 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:07:18 INFO imstat::ImageStatsCalculator::statistics 4.194304e+06 6.418701e+02 1.530337e-04 1.965042e-02 1.964982e-02 -2.267100e-02 4.977134e+00 2025-03-15 23:07:18 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:07:18.013920 End time: 2025-03-15 23:07:18.341207 2025-03-15 23:07:18 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:07:18 INFO imstat::::casa ########################################## 2025-03-15 23:07:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:07:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:07:18 INFO ImageRegion::fromRecord+ [1499, 763, 0, 0] to [1519, 783, 0, 0] (19:53:57.382, +40.04.43.647, I, 999980841.3Hz to 19:53:43.216, +40.07.21.070, I, 999980841.3Hz) 2025-03-15 23:07:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:07:18 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:07:18 2025****** 2025-03-15 23:07:18 INFO ImageFitter::fit+ 2025-03-15 23:07:18 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:07:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_orig.image 2025-03-15 23:07:18 INFO ImageFitter::fit+ --- region: 2025-03-15 23:07:18 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:07:18 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:07:18 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:07:18 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:07:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:07:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:07:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:07:18 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.843, +40.05.23.013 to 19:53:46.759, +40.06.41.724) 2025-03-15 23:07:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29832 Jy 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00459192 Jy 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85855 Jy 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00458731 Jy 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ Fit on im_orig.image component 0 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.9885 +/- 0.0032 s (0.0367 arcsec along great circle) 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.0594 +/- 0.0281 arcsec 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- ra: 1509.4535 +/- 0.0046 pixels 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- dec: 772.7181 +/- 0.0035 pixels 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.4778 +/- 0.0014 arcmin 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.2915 +/- 0.0011 arcmin 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.42 +/- 0.26 deg 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.70 arcsec 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.54 arcsec 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- position angle: -89.60 deg 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ Component is a point source 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ An upper limit on its size cannot be determined 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.0049 +/- 0.0079 Jy 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- Peak: 5.0102 +/- 0.0046 Jy/beam 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:07:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9808 MHz (29.97982 cm) 2025-03-15 23:07:18 INFO phaseshift::::casa ########################################## 2025-03-15 23:07:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:07:18 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-03-15 23:07:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:07:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:07:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:07:18 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:07:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:07:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:07:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:07:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:07:18 INFO MSTransformManager::open Select data 2025-03-15 23:07:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:07:25 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:07:25 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-03-15 23:07:25 INFO phaseshift::::casa Shift phase center 2025-03-15 23:07:26 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:07:27 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:07:18.423471 End time: 2025-03-15 23:07:26.968993 2025-03-15 23:07:27 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:07:27 INFO phaseshift::::casa ########################################## 2025-03-15 23:07:27 INFO tclean::::casa ########################################## 2025-03-15 23:07:27 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:07:27 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:07:27 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:07:27 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:07:27 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:07:27 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:07:27 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:07:27 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:07:27 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:07:27 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:07:27 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:07:27 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:07:27 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:07:27 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:07:29 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:07:29 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029023 2025-03-15 23:07:29 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:07:29 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:07:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:07:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:07:35 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:07:35 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:07:35 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:07:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:07:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:07:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:07:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:07:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:07:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:07:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:07:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:07:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:07:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:07:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:07:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:07:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:07:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:07:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:07:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:07:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:07:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:07:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:07:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:07:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:07:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:07:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:07:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:07:41 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:07:41 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:07:41 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:07:41 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:07:42 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:07:43 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:07:27.027540 End time: 2025-03-15 23:07:42.926422 2025-03-15 23:07:43 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:07:43 INFO tclean::::casa ########################################## 2025-03-15 23:07:43 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:07:43 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:07:43 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:07:43 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:07:43 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:07:43 2025****** 2025-03-15 23:07:43 INFO ImageFitter::fit+ 2025-03-15 23:07:43 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:07:43 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:07:43 INFO ImageFitter::fit+ --- region: 2025-03-15 23:07:43 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:07:43 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:07:43 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:07:43 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:07:43 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:07:43 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:07:43 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:07:43 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:07:43 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:07:43 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:07:43 INFO imstat::::casa ########################################## 2025-03-15 23:07:43 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:07:43 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:07:43 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:07:43 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:07:43 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:07:43 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:07:43 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:07:43 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:07:43 INFO imstat:::: Values --- 2025-03-15 23:07:43 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:07:43 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:07:43 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:07:43 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:07:43 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:07:43 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:07:43 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:07:43 INFO imstat:::: Statistics --- 2025-03-15 23:07:43 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-03-15 23:07:43 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:07:43 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2025-03-15 23:07:43 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:07:42.977590 End time: 2025-03-15 23:07:42.999209 2025-03-15 23:07:43 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:07:43 INFO imstat::::casa ########################################## 2025-03-15 23:07:43 INFO phaseshift::::casa ########################################## 2025-03-15 23:07:43 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:07:43 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 02:40:24.0000' ) 2025-03-15 23:07:43 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:07:43 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:07:43 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:07:43 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:07:43 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:07:43 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:07:43 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:07:43 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:07:43 INFO MSTransformManager::open Select data 2025-03-15 23:07:43 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:07:45 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:07:45 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 02:40:24.0000' successfully parsed 2025-03-15 23:07:45 INFO phaseshift::::casa Shift phase center 2025-03-15 23:07:46 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:07:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:07:43.013689 End time: 2025-03-15 23:07:46.418948 2025-03-15 23:07:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:07:46 INFO phaseshift::::casa ########################################## 2025-03-15 23:07:46 INFO tclean::::casa ########################################## 2025-03-15 23:07:46 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:07:46 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:07:46 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:07:46 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:07:46 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:07:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:07:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:07:47 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:07:47 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:07:47 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:07:47 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:07:47 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:07:47 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:07:47 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:07:48 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:07:48 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027431 2025-03-15 23:07:48 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:07:48 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:07:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:07:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:07:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:07:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:07:51 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:07:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:07:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:07:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:07:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:07:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:07:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:07:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:07:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:07:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:07:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:07:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:07:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:07:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:07:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:07:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:07:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:08:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:08:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:08:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:08:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:08:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:08:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:08:02 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:08:02 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:08:02 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:08:03 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:08:03 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:08:05 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:07:46.477638 End time: 2025-03-15 23:08:04.809161 2025-03-15 23:08:05 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:08:05 INFO tclean::::casa ########################################## 2025-03-15 23:08:05 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:08:05 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:05 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:08:05 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:08:05 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:08:05 2025****** 2025-03-15 23:08:05 INFO ImageFitter::fit+ 2025-03-15 23:08:05 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:08:05 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:08:05 INFO ImageFitter::fit+ --- region: 2025-03-15 23:08:05 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:08:05 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:08:05 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:08:05 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:08:05 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:08:05 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:08:05 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:05 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:08:05 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:08:05 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:08:05 INFO imstat::::casa ########################################## 2025-03-15 23:08:05 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:08:05 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:08:05 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:08:05 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:08:05 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:08:05 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:08:05 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:05 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:08:05 INFO imstat:::: Values --- 2025-03-15 23:08:05 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:08:05 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:08:05 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:08:05 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:08:05 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:08:05 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:08:05 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:08:05 INFO imstat:::: Statistics --- 2025-03-15 23:08:05 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-03-15 23:08:05 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:08:05 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2025-03-15 23:08:05 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:08:04.884054 End time: 2025-03-15 23:08:04.909860 2025-03-15 23:08:05 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:08:05 INFO imstat::::casa ########################################## 2025-03-15 23:08:05 INFO phaseshift::::casa ########################################## 2025-03-15 23:08:05 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:08:05 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 40.100000000deg' ) 2025-03-15 23:08:05 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:08:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:08:05 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:08:05 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:08:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:08:05 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:08:05 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:08:05 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:08:05 INFO MSTransformManager::open Select data 2025-03-15 23:08:05 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:08:07 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:08:07 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.100000000deg' successfully parsed 2025-03-15 23:08:07 INFO phaseshift::::casa Shift phase center 2025-03-15 23:08:08 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:08:08 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:08:04.926414 End time: 2025-03-15 23:08:08.066086 2025-03-15 23:08:08 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:08:08 INFO phaseshift::::casa ########################################## 2025-03-15 23:08:08 INFO tclean::::casa ########################################## 2025-03-15 23:08:08 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:08:08 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:08:08 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:08:08 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:08:08 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:08:08 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:08:08 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:08:08 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:08:08 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:08:08 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:08:08 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:08:08 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:08:08 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:08:08 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:08:09 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:08:10 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029126 2025-03-15 23:08:10 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:08:10 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:08:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:08:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:08:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:08:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:08:12 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:08:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:08:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:08:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:08:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:08:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:08:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:08:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:08:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:08:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:08:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:08:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:08:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:08:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:08:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:08:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:08:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:08:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:08:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:08:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:08:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:08:19 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:08:19 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:08:19 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:08:20 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:08:20 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:08:21 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:08:08.120947 End time: 2025-03-15 23:08:21.437062 2025-03-15 23:08:21 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:08:21 INFO tclean::::casa ########################################## 2025-03-15 23:08:21 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:08:21 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:21 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:08:21 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:08:21 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:08:21 2025****** 2025-03-15 23:08:21 INFO ImageFitter::fit+ 2025-03-15 23:08:21 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:08:21 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:08:21 INFO ImageFitter::fit+ --- region: 2025-03-15 23:08:21 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:08:21 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:08:21 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:08:21 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:08:21 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:08:21 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:08:21 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:21 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:08:21 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:08:22 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:08:22 INFO imstat::::casa ########################################## 2025-03-15 23:08:22 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:08:22 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:08:22 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:08:22 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:08:22 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:08:22 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:08:22 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:22 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:08:22 INFO imstat:::: Values --- 2025-03-15 23:08:22 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:08:22 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:08:22 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:08:22 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:08:22 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:08:22 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:08:22 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:08:22 INFO imstat:::: Statistics --- 2025-03-15 23:08:22 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-03-15 23:08:22 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:08:22 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2025-03-15 23:08:22 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:08:21.515174 End time: 2025-03-15 23:08:21.544473 2025-03-15 23:08:22 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:08:22 INFO imstat::::casa ########################################## 2025-03-15 23:08:22 INFO phaseshift::::casa ########################################## 2025-03-15 23:08:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:08:22 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 0.699877030rad' ) 2025-03-15 23:08:22 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:08:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:08:22 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:08:22 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:08:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:08:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:08:22 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:08:22 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:08:22 INFO MSTransformManager::open Select data 2025-03-15 23:08:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:08:25 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:08:25 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 0.699877030rad' successfully parsed 2025-03-15 23:08:25 INFO phaseshift::::casa Shift phase center 2025-03-15 23:08:28 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:08:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:08:21.561892 End time: 2025-03-15 23:08:28.132749 2025-03-15 23:08:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:08:28 INFO phaseshift::::casa ########################################## 2025-03-15 23:08:28 INFO tclean::::casa ########################################## 2025-03-15 23:08:28 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:08:28 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:08:28 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:08:28 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:08:28 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:08:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:08:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:08:28 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:08:28 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:08:28 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:08:28 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:08:28 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:08:28 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:08:28 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:08:30 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:08:30 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026504 2025-03-15 23:08:30 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:08:30 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:08:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:08:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:08:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:08:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:08:32 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:08:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:08:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:08:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:08:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:08:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:08:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:08:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:08:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:08:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:08:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:08:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:08:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:08:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:08:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:08:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:08:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:08:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:08:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:08:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:08:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:08:38 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:08:38 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:08:38 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:08:39 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:08:40 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:08:41 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:08:28.188381 End time: 2025-03-15 23:08:41.353129 2025-03-15 23:08:41 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:08:41 INFO tclean::::casa ########################################## 2025-03-15 23:08:41 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:08:41 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:41 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:08:41 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:08:41 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:08:41 2025****** 2025-03-15 23:08:41 INFO ImageFitter::fit+ 2025-03-15 23:08:41 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:08:41 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:08:41 INFO ImageFitter::fit+ --- region: 2025-03-15 23:08:41 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:08:41 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:08:41 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:08:41 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:08:41 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:08:41 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:08:41 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:41 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:08:41 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:08:41 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:08:41 INFO imstat::::casa ########################################## 2025-03-15 23:08:41 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:08:41 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:08:41 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:08:41 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:08:41 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:08:41 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:08:41 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:41 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:08:41 INFO imstat:::: Values --- 2025-03-15 23:08:41 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:08:41 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:08:41 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- minimum value [min]: -7.77764e-05 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:08:41 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:08:41 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:08:41 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:08:41 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:08:41 INFO imstat:::: Statistics --- 2025-03-15 23:08:41 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- Median of the pixel values [median]: -1.86664e-05 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- IQR [quartile]: 3.56255e-05 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- First quartile [q1]: -3.45078e-05 Jy/beam 2025-03-15 23:08:41 INFO imstat:::: -- Third quartile [q3]: 1.11764e-06 Jy/beam 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:08:41 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777640e-05 4.999996e+00 2025-03-15 23:08:41 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:08:41.431027 End time: 2025-03-15 23:08:41.459048 2025-03-15 23:08:41 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:08:41 INFO imstat::::casa ########################################## 2025-03-15 23:08:41 INFO phaseshift::::casa ########################################## 2025-03-15 23:08:41 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:08:41 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40d06m00' ) 2025-03-15 23:08:41 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:08:41 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:08:41 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:08:41 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:08:41 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:08:42 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:08:42 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:08:42 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:08:42 INFO MSTransformManager::open Select data 2025-03-15 23:08:42 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:08:45 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:08:45 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 40d06m00' successfully parsed 2025-03-15 23:08:45 INFO phaseshift::::casa Shift phase center 2025-03-15 23:08:46 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:08:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:08:41.476377 End time: 2025-03-15 23:08:46.024026 2025-03-15 23:08:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:08:46 INFO phaseshift::::casa ########################################## 2025-03-15 23:08:46 INFO tclean::::casa ########################################## 2025-03-15 23:08:46 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:08:46 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:08:46 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:08:46 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:08:46 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:08:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:08:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:08:46 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:08:46 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:08:46 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:08:46 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:08:46 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:08:46 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:08:46 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:08:47 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:08:48 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029158 2025-03-15 23:08:48 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:08:48 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:08:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:08:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:08:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:08:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:08:50 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:08:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:08:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:08:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:08:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:08:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:08:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:08:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:08:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:08:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:08:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:08:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:08:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:08:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:08:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:08:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:08:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:08:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:08:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:08:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:08:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:08:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:08:55 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:08:55 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:08:55 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:08:56 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:08:57 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:08:58 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:08:46.078603 End time: 2025-03-15 23:08:57.933493 2025-03-15 23:08:58 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:08:58 INFO tclean::::casa ########################################## 2025-03-15 23:08:58 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:08:58 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:58 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:08:58 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:08:58 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:08:58 2025****** 2025-03-15 23:08:58 INFO ImageFitter::fit+ 2025-03-15 23:08:58 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:08:58 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:08:58 INFO ImageFitter::fit+ --- region: 2025-03-15 23:08:58 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:08:58 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:08:58 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:08:58 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:08:58 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:08:58 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:08:58 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:58 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:08:58 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:08:58 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:08:58 INFO imstat::::casa ########################################## 2025-03-15 23:08:58 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:08:58 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:08:58 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:08:58 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:08:58 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:08:58 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:08:58 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:08:58 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:08:58 INFO imstat:::: Values --- 2025-03-15 23:08:58 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:08:58 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:08:58 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:08:58 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:08:58 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:08:58 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:08:58 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:08:58 INFO imstat:::: Statistics --- 2025-03-15 23:08:58 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-03-15 23:08:58 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:08:58 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2025-03-15 23:08:58 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:08:58.004384 End time: 2025-03-15 23:08:58.030196 2025-03-15 23:08:58 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:08:58 INFO imstat::::casa ########################################## 2025-03-15 23:08:58 INFO phaseshift::::casa ########################################## 2025-03-15 23:08:58 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:08:58 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 02:40:24.0000' ) 2025-03-15 23:08:58 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:08:58 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:08:58 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:08:58 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:08:58 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:08:58 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:08:58 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:08:58 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:08:58 INFO MSTransformManager::open Select data 2025-03-15 23:08:58 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:09:07 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:09:07 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 02:40:24.0000' successfully parsed 2025-03-15 23:09:07 INFO phaseshift::::casa Shift phase center 2025-03-15 23:09:08 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:09:08 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:08:58.046686 End time: 2025-03-15 23:09:07.844211 2025-03-15 23:09:08 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:09:08 INFO phaseshift::::casa ########################################## 2025-03-15 23:09:08 INFO tclean::::casa ########################################## 2025-03-15 23:09:08 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:09:08 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:09:08 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:09:08 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:09:08 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:09:08 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:09:08 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:09:08 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:09:08 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:09:08 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:09:08 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:09:08 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:09:08 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:09:08 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:09:09 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:09:09 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.030166 2025-03-15 23:09:09 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:09:09 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:09:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:09:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:09:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:09:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:09:11 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:09:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:09:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:09:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:09:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:09:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:09:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:09:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:09:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:09:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:09:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:09:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:09:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:09:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:09:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:09:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:09:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:09:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:09:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:09:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:09:17 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:09:17 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:09:17 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:09:18 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:09:18 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:09:19 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:09:07.898903 End time: 2025-03-15 23:09:18.763992 2025-03-15 23:09:19 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:09:19 INFO tclean::::casa ########################################## 2025-03-15 23:09:19 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:09:19 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:09:19 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:09:19 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:09:19 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:09:19 2025****** 2025-03-15 23:09:19 INFO ImageFitter::fit+ 2025-03-15 23:09:19 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:09:19 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:09:19 INFO ImageFitter::fit+ --- region: 2025-03-15 23:09:19 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:09:19 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:09:19 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:09:19 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:09:19 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:09:19 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:09:19 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:09:19 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:09:19 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:09:19 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:09:19 INFO imstat::::casa ########################################## 2025-03-15 23:09:19 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:09:19 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:09:19 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:09:19 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:09:19 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:09:19 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:09:19 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:09:19 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:09:19 INFO imstat:::: Values --- 2025-03-15 23:09:19 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:09:19 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:09:19 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:09:19 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:09:19 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:09:19 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:09:19 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:09:19 INFO imstat:::: Statistics --- 2025-03-15 23:09:19 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-03-15 23:09:19 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:09:19 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2025-03-15 23:09:19 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:09:18.840643 End time: 2025-03-15 23:09:18.866612 2025-03-15 23:09:19 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:09:19 INFO imstat::::casa ########################################## 2025-03-15 23:09:19 INFO phaseshift::::casa ########################################## 2025-03-15 23:09:19 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:09:19 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40.100000000deg' ) 2025-03-15 23:09:19 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:09:19 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:09:19 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:09:19 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:09:19 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:09:19 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:09:19 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:09:19 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:09:19 INFO MSTransformManager::open Select data 2025-03-15 23:09:19 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:09:20 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:09:20 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 40.100000000deg' successfully parsed 2025-03-15 23:09:20 INFO phaseshift::::casa Shift phase center 2025-03-15 23:09:21 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:09:21 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:09:18.883583 End time: 2025-03-15 23:09:20.793409 2025-03-15 23:09:21 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:09:21 INFO phaseshift::::casa ########################################## 2025-03-15 23:09:21 INFO tclean::::casa ########################################## 2025-03-15 23:09:21 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:09:21 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 ) 2025-03-15 23:09:21 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:09:21 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:09:21 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:09:21 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:09:21 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:09:21 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:09:21 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:09:21 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:09:21 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:09:21 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:09:21 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:09:21 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:09:22 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:09:22 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.02647 2025-03-15 23:09:22 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:09:22 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:09:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:09:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:09:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:09:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:09:24 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:09:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:09:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:09:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:09:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:09:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:09:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:09:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:09:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:09:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:09:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:09:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:09:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:09:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:09:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:09:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:09:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:09:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:09:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:09:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:09:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:09:30 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:09:30 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:09:30 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:09:31 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:09:31 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:09:35 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:09:20.852958 End time: 2025-03-15 23:09:35.081588 2025-03-15 23:09:35 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:09:35 INFO tclean::::casa ########################################## 2025-03-15 23:09:35 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:09:35 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:09:35 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:09:35 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:09:35 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:09:35 2025****** 2025-03-15 23:09:35 INFO ImageFitter::fit+ 2025-03-15 23:09:35 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:09:35 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:09:35 INFO ImageFitter::fit+ --- region: 2025-03-15 23:09:35 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:09:35 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:09:35 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:09:35 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:09:35 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:09:35 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:09:35 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:09:35 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:09:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:09:35 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:09:35 INFO imstat::::casa ########################################## 2025-03-15 23:09:35 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:09:35 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:09:35 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:09:35 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:09:35 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:09:35 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:09:35 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:09:35 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:09:35 INFO imstat:::: Values --- 2025-03-15 23:09:35 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:09:35 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:09:35 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:09:35 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:09:35 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:09:35 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:09:35 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:09:35 INFO imstat:::: Statistics --- 2025-03-15 23:09:35 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-03-15 23:09:35 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:09:35 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2025-03-15 23:09:35 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:09:35.135210 End time: 2025-03-15 23:09:35.161932 2025-03-15 23:09:35 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:09:35 INFO imstat::::casa ########################################## 2025-03-15 23:09:35 INFO phaseshift::::casa ########################################## 2025-03-15 23:09:35 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:09:35 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 0.699877030rad' ) 2025-03-15 23:09:35 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:09:35 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:09:35 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:09:35 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:09:35 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:09:35 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:09:35 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:09:35 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:09:35 INFO MSTransformManager::open Select data 2025-03-15 23:09:35 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:09:38 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:09:38 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 0.699877030rad' successfully parsed 2025-03-15 23:09:38 INFO phaseshift::::casa Shift phase center 2025-03-15 23:09:39 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:09:39 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:09:35.175050 End time: 2025-03-15 23:09:39.073007 2025-03-15 23:09:39 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:09:39 INFO phaseshift::::casa ########################################## 2025-03-15 23:09:39 INFO tclean::::casa ########################################## 2025-03-15 23:09:39 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:09:39 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:09:39 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:09:39 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:09:39 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:09:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:09:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:09:39 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:09:39 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:09:39 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:09:39 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:09:39 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:09:39 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:09:39 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:09:40 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:09:41 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026851 2025-03-15 23:09:41 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:09:41 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:09:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:09:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:09:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:09:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:09:42 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:09:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:09:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:09:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:09:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:09:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:09:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:09:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:09:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:09:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:09:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:09:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:09:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:09:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:09:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:09:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:09:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:09:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:09:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:09:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:09:46 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:09:46 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:09:46 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:09:47 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:09:47 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:09:48 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:09:39.131208 End time: 2025-03-15 23:09:47.920201 2025-03-15 23:09:48 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:09:48 INFO tclean::::casa ########################################## 2025-03-15 23:09:48 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:09:48 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:09:48 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:09:48 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:09:48 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:09:48 2025****** 2025-03-15 23:09:48 INFO ImageFitter::fit+ 2025-03-15 23:09:48 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:09:48 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:09:48 INFO ImageFitter::fit+ --- region: 2025-03-15 23:09:48 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:09:48 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:09:48 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:09:48 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:09:48 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:09:48 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:09:48 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:09:48 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:09:48 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:09:48 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:09:48 INFO imstat::::casa ########################################## 2025-03-15 23:09:48 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:09:48 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:09:48 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:09:48 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:09:48 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:09:48 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:09:48 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:09:48 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) 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:09:48 INFO imstat:::: Values --- 2025-03-15 23:09:48 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:09:48 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:09:48 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- minimum value [min]: -7.77764e-05 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:09:48 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:09:48 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:09:48 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:09:48 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:09:48 INFO imstat:::: Statistics --- 2025-03-15 23:09:48 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- Median of the pixel values [median]: -1.86664e-05 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- IQR [quartile]: 3.56255e-05 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- First quartile [q1]: -3.45078e-05 Jy/beam 2025-03-15 23:09:48 INFO imstat:::: -- Third quartile [q3]: 1.11764e-06 Jy/beam 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:09:48 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777640e-05 4.999996e+00 2025-03-15 23:09:48 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:09:47.991583 End time: 2025-03-15 23:09:48.017530 2025-03-15 23:09:48 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:09:48 INFO imstat::::casa ########################################## 2025-03-15 23:09:48 INFO phaseshift::::casa ########################################## 2025-03-15 23:09:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:09:48 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40d06m00' ) 2025-03-15 23:09:48 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:09:48 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:09:48 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:09:48 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:09:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:09:48 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:09:48 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:09:48 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:09:48 INFO MSTransformManager::open Select data 2025-03-15 23:09:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:09:50 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:09:50 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 40d06m00' successfully parsed 2025-03-15 23:09:50 INFO phaseshift::::casa Shift phase center 2025-03-15 23:09:51 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:09:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:09:48.033971 End time: 2025-03-15 23:09:51.224767 2025-03-15 23:09:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:09:51 INFO phaseshift::::casa ########################################## 2025-03-15 23:09:51 INFO tclean::::casa ########################################## 2025-03-15 23:09:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:09:51 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 ) 2025-03-15 23:09:51 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:09:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:09:51 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:09:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:09:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:09:51 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:09:51 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:09:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:09:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:09:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:09:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:09:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:09:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:09:53 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029111 2025-03-15 23:09:53 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:09:53 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:09:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:09:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:09:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:09:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:09:54 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:09:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:09:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:09:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:09:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:09:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:09:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:09:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:09:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:09:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:09:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:09:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:09:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:09:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:09:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:09:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:10:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:10:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:10:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:10:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:10:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:10:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:10:01 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:10:01 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:10:01 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:10:02 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:10:02 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:10:04 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:09:51.264313 End time: 2025-03-15 23:10:03.516013 2025-03-15 23:10:04 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:10:04 INFO tclean::::casa ########################################## 2025-03-15 23:10:04 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:10:04 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:10:04 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:10:04 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:10:04 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:10:04 2025****** 2025-03-15 23:10:04 INFO ImageFitter::fit+ 2025-03-15 23:10:04 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:10:04 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:10:04 INFO ImageFitter::fit+ --- region: 2025-03-15 23:10:04 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:10:04 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:10:04 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:10:04 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:10:04 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:10:04 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:10:04 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:10:04 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:10:04 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:10:04 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:10:04 INFO imstat::::casa ########################################## 2025-03-15 23:10:04 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:10:04 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:10:04 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:10:04 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:10:04 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:10:04 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:10:04 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:10:04 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:10:04 INFO imstat:::: Values --- 2025-03-15 23:10:04 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:10:04 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:10:04 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:10:04 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:10:04 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:10:04 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:10:04 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:10:04 INFO imstat:::: Statistics --- 2025-03-15 23:10:04 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-03-15 23:10:04 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:10:04 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777580e-05 4.999996e+00 2025-03-15 23:10:04 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:10:03.598417 End time: 2025-03-15 23:10:03.628228 2025-03-15 23:10:04 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:10:04 INFO imstat::::casa ########################################## 2025-03-15 23:10:04 INFO phaseshift::::casa ########################################## 2025-03-15 23:10:04 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:10:04 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 02:40:24.0000' ) 2025-03-15 23:10:04 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:10:04 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:10:04 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:10:04 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:10:04 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:10:04 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:10:04 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:10:04 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:10:04 INFO MSTransformManager::open Select data 2025-03-15 23:10:04 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:10:11 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:10:11 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 02:40:24.0000' successfully parsed 2025-03-15 23:10:11 INFO phaseshift::::casa Shift phase center 2025-03-15 23:10:12 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:10:12 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:10:03.645580 End time: 2025-03-15 23:10:11.787765 2025-03-15 23:10:12 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:10:12 INFO phaseshift::::casa ########################################## 2025-03-15 23:10:12 INFO tclean::::casa ########################################## 2025-03-15 23:10:12 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:10:12 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 ) 2025-03-15 23:10:12 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:10:12 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:10:12 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:10:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:10:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:10:12 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:10:12 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:10:12 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:10:12 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:10:12 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:10:12 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:10:12 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:10:13 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:10:13 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026983 2025-03-15 23:10:13 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:10:13 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:10:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:10:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:10:16 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:10:16 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:10:16 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:10:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:10:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:10:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:10:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:10:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:10:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:10:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:10:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:10:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:10:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:10:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:10:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:10:20 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:10:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:10:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:10:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:10:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:10:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:10:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:10:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:10:22 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:10:22 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:10:22 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:10:24 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:10:24 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:10:25 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:10:11.846421 End time: 2025-03-15 23:10:25.152326 2025-03-15 23:10:25 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:10:25 INFO tclean::::casa ########################################## 2025-03-15 23:10:25 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:10:25 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:10:25 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:10:25 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:10:25 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:10:25 2025****** 2025-03-15 23:10:25 INFO ImageFitter::fit+ 2025-03-15 23:10:25 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:10:25 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:10:25 INFO ImageFitter::fit+ --- region: 2025-03-15 23:10:25 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:10:25 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:10:25 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:10:25 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:10:25 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:10:25 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:10:25 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:10:25 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:10:25 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:10:25 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:10:25 INFO imstat::::casa ########################################## 2025-03-15 23:10:25 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:10:25 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:10:25 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:10:25 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:10:25 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:10:25 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:10:25 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:10:25 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) 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:10:25 INFO imstat:::: Values --- 2025-03-15 23:10:25 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:10:25 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:10:25 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:10:25 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:10:25 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:10:25 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:10:25 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:10:25 INFO imstat:::: Statistics --- 2025-03-15 23:10:25 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-03-15 23:10:25 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:10:25 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777580e-05 4.999996e+00 2025-03-15 23:10:25 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:10:25.230290 End time: 2025-03-15 23:10:25.257699 2025-03-15 23:10:25 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:10:25 INFO imstat::::casa ########################################## 2025-03-15 23:10:25 INFO phaseshift::::casa ########################################## 2025-03-15 23:10:25 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:10:25 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 298.458333333deg 40.100000000deg' ) 2025-03-15 23:10:25 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:10:25 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:10:25 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:10:25 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:10:25 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:10:25 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:10:25 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:10:25 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:10:25 INFO MSTransformManager::open Select data 2025-03-15 23:10:25 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:10:28 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:10:28 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 40.100000000deg' successfully parsed 2025-03-15 23:10:28 INFO phaseshift::::casa Shift phase center 2025-03-15 23:10:29 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:10:29 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:10:25.274700 End time: 2025-03-15 23:10:29.324844 2025-03-15 23:10:29 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:10:29 INFO phaseshift::::casa ########################################## 2025-03-15 23:10:29 INFO tclean::::casa ########################################## 2025-03-15 23:10:29 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:10:29 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:10:29 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:10:29 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:10:29 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:10:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:10:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:10:30 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:10:30 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:10:30 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:10:30 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:10:30 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:10:30 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:10:30 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:10:31 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:10:32 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029018 2025-03-15 23:10:32 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:10:32 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:10:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:10:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:10:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:10:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:10:34 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:10:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:10:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:10:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:10:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:10:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:10:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:10:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:10:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:10:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:10:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:10:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:10:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:10:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:10:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:10:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:10:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:10:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:10:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:10:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:10:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:10:42 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:10:42 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:10:42 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:10:43 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:10:43 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:10:44 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:10:29.384372 End time: 2025-03-15 23:10:44.357264 2025-03-15 23:10:44 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:10:44 INFO tclean::::casa ########################################## 2025-03-15 23:10:44 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:10:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:10:44 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:10:44 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:10:44 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:10:44 2025****** 2025-03-15 23:10:44 INFO ImageFitter::fit+ 2025-03-15 23:10:44 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:10:44 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:10:44 INFO ImageFitter::fit+ --- region: 2025-03-15 23:10:44 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:10:44 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:10:44 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:10:44 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:10:44 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:10:44 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:10:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:10:44 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:10:44 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:10:44 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:10:44 INFO imstat::::casa ########################################## 2025-03-15 23:10:44 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:10:44 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:10:44 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:10:44 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:10:44 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:10:44 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:10:44 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:10:44 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:10:44 INFO imstat:::: Values --- 2025-03-15 23:10:44 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:10:44 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:10:44 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:10:44 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:10:44 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:10:44 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:10:44 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:10:44 INFO imstat:::: Statistics --- 2025-03-15 23:10:44 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-03-15 23:10:44 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:10:44 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777580e-05 4.999996e+00 2025-03-15 23:10:44 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:10:44.431079 End time: 2025-03-15 23:10:44.457658 2025-03-15 23:10:44 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:10:44 INFO imstat::::casa ########################################## 2025-03-15 23:10:44 INFO phaseshift::::casa ########################################## 2025-03-15 23:10:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:10:44 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 298.458333333deg 0.699877030rad' ) 2025-03-15 23:10:44 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:10:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:10:44 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:10:44 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:10:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:10:45 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:10:45 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:10:45 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:10:45 INFO MSTransformManager::open Select data 2025-03-15 23:10:45 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:10:48 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:10:48 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 0.699877030rad' successfully parsed 2025-03-15 23:10:48 INFO phaseshift::::casa Shift phase center 2025-03-15 23:10:49 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:10:49 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:10:44.474412 End time: 2025-03-15 23:10:48.986961 2025-03-15 23:10:49 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:10:49 INFO phaseshift::::casa ########################################## 2025-03-15 23:10:49 INFO tclean::::casa ########################################## 2025-03-15 23:10:49 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:10:49 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:10:49 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:10:49 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:10:49 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:10:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:10:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:10:49 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:10:49 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:10:49 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:10:49 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:10:49 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:10:49 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:10:49 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:10:50 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:10:50 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027242 2025-03-15 23:10:50 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:10:50 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:10:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:10:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:10:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:10:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:10:52 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:10:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:10:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:10:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:10:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:10:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:10:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:10:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:10:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:10:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:10:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:10:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:10:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:10:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:10:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:10:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:10:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:10:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:10:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:10:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:10:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:10:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:10:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:10:59 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:10:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:10:59 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:11:00 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:11:01 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:10:49.046559 End time: 2025-03-15 23:11:01.153993 2025-03-15 23:11:01 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:11:01 INFO tclean::::casa ########################################## 2025-03-15 23:11:01 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:11:01 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:01 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:11:01 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:11:01 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:11:01 2025****** 2025-03-15 23:11:01 INFO ImageFitter::fit+ 2025-03-15 23:11:01 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:11:01 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:11:01 INFO ImageFitter::fit+ --- region: 2025-03-15 23:11:01 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:11:01 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:11:01 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:11:01 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:11:01 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:11:01 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:11:01 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:01 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:11:01 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126487 Jy 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:11:01 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:11:01 INFO imstat::::casa ########################################## 2025-03-15 23:11:01 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:11:01 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:11:01 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:11:01 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:11:01 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:11:01 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:11:01 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:01 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:11:01 INFO imstat:::: Values --- 2025-03-15 23:11:01 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:11:01 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:11:01 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- minimum value [min]: -7.77738e-05 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:11:01 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:11:01 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:11:01 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:11:01 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:11:01 INFO imstat:::: Statistics --- 2025-03-15 23:11:01 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- Median of the pixel values [median]: -1.86662e-05 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73577e-05 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- IQR [quartile]: 3.56242e-05 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-03-15 23:11:01 INFO imstat:::: -- Third quartile [q3]: 1.11673e-06 Jy/beam 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:11:01 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777377e-05 4.999996e+00 2025-03-15 23:11:01 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:11:01.230107 End time: 2025-03-15 23:11:01.257050 2025-03-15 23:11:01 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:11:01 INFO imstat::::casa ########################################## 2025-03-15 23:11:01 INFO phaseshift::::casa ########################################## 2025-03-15 23:11:01 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:11:01 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40d06m00' ) 2025-03-15 23:11:01 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:11:01 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:11:01 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:11:01 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:11:01 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:11:01 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:11:01 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:11:01 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:11:01 INFO MSTransformManager::open Select data 2025-03-15 23:11:01 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:11:04 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:11:04 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 40d06m00' successfully parsed 2025-03-15 23:11:04 INFO phaseshift::::casa Shift phase center 2025-03-15 23:11:05 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:11:05 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:11:01.273949 End time: 2025-03-15 23:11:04.798717 2025-03-15 23:11:05 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:11:05 INFO phaseshift::::casa ########################################## 2025-03-15 23:11:05 INFO tclean::::casa ########################################## 2025-03-15 23:11:05 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:11:05 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:11:05 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:11:05 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:11:05 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:11:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:11:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:11:05 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:11:05 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:11:05 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:11:05 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:11:05 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:11:05 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:11:05 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:11:07 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:11:07 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029361 2025-03-15 23:11:07 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:11:07 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:11:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:11:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:11:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:11:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:11:08 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:11:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:11:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:11:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:11:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:11:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:11:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:11:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:11:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:11:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:11:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:11:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:11:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:11:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:11:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:11:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:11:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:11:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:11:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:11:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:11:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:11:16 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:11:16 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:11:16 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:11:17 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:11:17 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:11:18 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:11:04.853285 End time: 2025-03-15 23:11:18.464828 2025-03-15 23:11:18 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:11:18 INFO tclean::::casa ########################################## 2025-03-15 23:11:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:11:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:18 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:11:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:11:19 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:11:19 2025****** 2025-03-15 23:11:19 INFO ImageFitter::fit+ 2025-03-15 23:11:19 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:11:19 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:11:19 INFO ImageFitter::fit+ --- region: 2025-03-15 23:11:19 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:11:19 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:11:19 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:11:19 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:11:19 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:11:19 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:11:19 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:19 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:11:19 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:11:19 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:11:19 INFO imstat::::casa ########################################## 2025-03-15 23:11:19 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:11:19 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:11:19 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:11:19 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:11:19 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:11:19 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:11:19 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:19 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:11:19 INFO imstat:::: Values --- 2025-03-15 23:11:19 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:11:19 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:11:19 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:11:19 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:11:19 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:11:19 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:11:19 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:11:19 INFO imstat:::: Statistics --- 2025-03-15 23:11:19 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2025-03-15 23:11:19 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:11:19 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778010e-05 4.999996e+00 2025-03-15 23:11:19 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:11:18.546122 End time: 2025-03-15 23:11:18.585306 2025-03-15 23:11:19 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:11:19 INFO imstat::::casa ########################################## 2025-03-15 23:11:19 INFO phaseshift::::casa ########################################## 2025-03-15 23:11:19 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:11:19 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 02:40:24.0000' ) 2025-03-15 23:11:19 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:11:19 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:11:19 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:11:19 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:11:19 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:11:19 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:11:19 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:11:19 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:11:19 INFO MSTransformManager::open Select data 2025-03-15 23:11:19 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:11:22 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:11:22 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 02:40:24.0000' successfully parsed 2025-03-15 23:11:22 INFO phaseshift::::casa Shift phase center 2025-03-15 23:11:23 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:11:23 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:11:18.601687 End time: 2025-03-15 23:11:23.099855 2025-03-15 23:11:23 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:11:23 INFO phaseshift::::casa ########################################## 2025-03-15 23:11:23 INFO tclean::::casa ########################################## 2025-03-15 23:11:23 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:11:23 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:11:23 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:11:23 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:11:23 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:11:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:11:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:11:23 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:11:23 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:11:23 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:11:23 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:11:23 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:11:23 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:11:23 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:11:25 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:11:25 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026285 2025-03-15 23:11:25 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:11:25 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:11:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:11:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:11:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:11:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:11:27 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:11:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:11:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:11:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:11:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:11:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:11:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:11:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:11:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:11:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:11:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:11:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:11:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:11:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:11:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:11:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:11:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:11:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:11:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:11:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:11:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:11:32 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:11:32 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:11:32 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:11:33 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:11:33 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:11:34 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:11:23.154978 End time: 2025-03-15 23:11:34.286456 2025-03-15 23:11:34 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:11:34 INFO tclean::::casa ########################################## 2025-03-15 23:11:34 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:11:34 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:34 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:11:34 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:11:34 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:11:34 2025****** 2025-03-15 23:11:34 INFO ImageFitter::fit+ 2025-03-15 23:11:34 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:11:34 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:11:34 INFO ImageFitter::fit+ --- region: 2025-03-15 23:11:34 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:11:34 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:11:34 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:11:34 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:11:34 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:11:34 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:11:34 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:34 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:11:34 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:11:34 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:11:34 INFO imstat::::casa ########################################## 2025-03-15 23:11:34 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:11:34 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:11:34 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:11:34 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:11:34 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:11:34 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:11:34 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:34 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:11:34 INFO imstat:::: Values --- 2025-03-15 23:11:34 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:11:34 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:11:34 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:11:34 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:11:34 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:11:34 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:11:34 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:11:34 INFO imstat:::: Statistics --- 2025-03-15 23:11:34 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2025-03-15 23:11:34 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:11:34 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778010e-05 4.999996e+00 2025-03-15 23:11:34 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:11:34.366622 End time: 2025-03-15 23:11:34.397620 2025-03-15 23:11:34 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:11:34 INFO imstat::::casa ########################################## 2025-03-15 23:11:34 INFO phaseshift::::casa ########################################## 2025-03-15 23:11:34 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:11:34 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40.100000000deg' ) 2025-03-15 23:11:34 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:11:34 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:11:34 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:11:34 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:11:34 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:11:34 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:11:34 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:11:34 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:11:34 INFO MSTransformManager::open Select data 2025-03-15 23:11:34 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:11:36 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:11:36 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 40.100000000deg' successfully parsed 2025-03-15 23:11:36 INFO phaseshift::::casa Shift phase center 2025-03-15 23:11:37 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:11:37 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:11:34.410098 End time: 2025-03-15 23:11:36.651565 2025-03-15 23:11:37 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:11:37 INFO phaseshift::::casa ########################################## 2025-03-15 23:11:37 INFO tclean::::casa ########################################## 2025-03-15 23:11:37 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:11:37 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:11:37 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:11:37 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:11:37 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:11:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:11:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:11:37 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:11:37 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:11:37 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:11:37 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:11:37 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:11:37 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:11:37 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:11:38 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:11:38 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028169 2025-03-15 23:11:38 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:11:38 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:11:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:11:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:11:39 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:11:39 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:11:39 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:11:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:11:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:11:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:11:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:11:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:11:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:11:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:11:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:11:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:11:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:11:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:11:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:11:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:11:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:11:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:11:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:11:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:11:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:11:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:11:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:11:43 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:11:43 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:11:43 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:11:44 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:11:44 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:11:45 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:11:36.703376 End time: 2025-03-15 23:11:45.257810 2025-03-15 23:11:45 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:11:45 INFO tclean::::casa ########################################## 2025-03-15 23:11:45 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:11:45 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:45 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:11:45 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:11:45 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:11:45 2025****** 2025-03-15 23:11:45 INFO ImageFitter::fit+ 2025-03-15 23:11:45 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:11:45 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:11:45 INFO ImageFitter::fit+ --- region: 2025-03-15 23:11:45 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:11:45 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:11:45 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:11:45 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:11:45 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:11:45 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:11:45 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:45 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:11:45 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:11:45 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:11:45 INFO imstat::::casa ########################################## 2025-03-15 23:11:45 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:11:45 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:11:45 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:11:45 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:11:45 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:11:45 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:11:45 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:11:45 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:11:45 INFO imstat:::: Values --- 2025-03-15 23:11:45 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:11:45 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:11:45 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:11:45 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:11:45 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:11:45 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:11:45 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:11:45 INFO imstat:::: Statistics --- 2025-03-15 23:11:45 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2025-03-15 23:11:45 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:11:45 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778010e-05 4.999996e+00 2025-03-15 23:11:45 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:11:45.335710 End time: 2025-03-15 23:11:45.362815 2025-03-15 23:11:45 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:11:45 INFO imstat::::casa ########################################## 2025-03-15 23:11:45 INFO phaseshift::::casa ########################################## 2025-03-15 23:11:45 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:11:45 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 0.699877030rad' ) 2025-03-15 23:11:45 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:11:45 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:11:45 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:11:45 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:11:45 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:11:45 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:11:45 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:11:45 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:11:45 INFO MSTransformManager::open Select data 2025-03-15 23:11:45 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:11:50 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:11:50 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 0.699877030rad' successfully parsed 2025-03-15 23:11:50 INFO phaseshift::::casa Shift phase center 2025-03-15 23:11:51 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:11:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:11:45.380067 End time: 2025-03-15 23:11:50.840468 2025-03-15 23:11:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:11:51 INFO phaseshift::::casa ########################################## 2025-03-15 23:11:51 INFO tclean::::casa ########################################## 2025-03-15 23:11:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:11:51 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:11:51 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:11:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:11:51 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:11:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:11:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:11:51 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:11:51 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:11:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:11:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:11:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:11:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:11:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:11:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:11:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028949 2025-03-15 23:11:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:11:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:11:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:11:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:11:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:11:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:11:54 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:11:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:11:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:11:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:11:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:11:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:11:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:11:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:11:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:11:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:11:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:11:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:11:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:11:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:11:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:11:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:11:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:11:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:11:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:11:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:11:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:11:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:11:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:11:59 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:11:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:11:59 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:11:59 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:12:00 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:11:50.896448 End time: 2025-03-15 23:11:59.839768 2025-03-15 23:12:00 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:12:00 INFO tclean::::casa ########################################## 2025-03-15 23:12:00 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:12:00 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:00 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:12:00 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:12:00 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:12:00 2025****** 2025-03-15 23:12:00 INFO ImageFitter::fit+ 2025-03-15 23:12:00 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:12:00 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:12:00 INFO ImageFitter::fit+ --- region: 2025-03-15 23:12:00 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:12:00 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:12:00 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:12:00 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:12:00 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:12:00 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:12:00 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:00 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:12:00 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:12:00 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:12:00 INFO imstat::::casa ########################################## 2025-03-15 23:12:00 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:12:00 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:12:00 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:12:00 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:12:00 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:12:00 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:12:00 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:00 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:12:00 INFO imstat:::: Values --- 2025-03-15 23:12:00 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:12:00 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:12:00 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- minimum value [min]: -7.77793e-05 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:12:00 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:12:00 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:12:00 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:12:00 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:12:00 INFO imstat:::: Statistics --- 2025-03-15 23:12:00 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- Median of the pixel values [median]: -1.86714e-05 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73592e-05 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- IQR [quartile]: 3.55982e-05 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- First quartile [q1]: -3.45035e-05 Jy/beam 2025-03-15 23:12:00 INFO imstat:::: -- Third quartile [q3]: 1.09469e-06 Jy/beam 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:12:00 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777928e-05 4.999996e+00 2025-03-15 23:12:00 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:11:59.889825 End time: 2025-03-15 23:11:59.910615 2025-03-15 23:12:00 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:12:00 INFO imstat::::casa ########################################## 2025-03-15 23:12:00 INFO phaseshift::::casa ########################################## 2025-03-15 23:12:00 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:12:00 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40d06m0.0019' ) 2025-03-15 23:12:00 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:12:00 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:12:00 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:12:00 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:12:00 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:12:00 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:12:00 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:12:00 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:12:00 INFO MSTransformManager::open Select data 2025-03-15 23:12:00 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:12:03 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:12:03 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 40d06m0.0019' successfully parsed 2025-03-15 23:12:03 INFO phaseshift::::casa Shift phase center 2025-03-15 23:12:04 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:12:04 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:11:59.925097 End time: 2025-03-15 23:12:03.753860 2025-03-15 23:12:04 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:12:04 INFO phaseshift::::casa ########################################## 2025-03-15 23:12:04 INFO tclean::::casa ########################################## 2025-03-15 23:12:04 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:12:04 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:12:04 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:12:04 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:12:04 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:12:04 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:12:04 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:12:04 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:12:04 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:12:04 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:12:04 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:12:04 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:12:04 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:12:04 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:12:05 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:12:05 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019415 2025-03-15 23:12:05 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:12:05 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:12:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:12:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:12:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:12:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:12:08 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:12:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:12:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:12:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:12:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:12:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:12:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:12:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:12:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:12:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:12:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:12:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:12:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:12:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:12:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:12:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:12:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:12:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:12:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:12:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:12:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:12:15 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:12:15 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:12:15 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:12:16 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:12:16 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:12:18 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:12:03.793356 End time: 2025-03-15 23:12:17.580559 2025-03-15 23:12:18 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:12:18 INFO tclean::::casa ########################################## 2025-03-15 23:12:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:12:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:18 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:12:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:12:18 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:12:18 2025****** 2025-03-15 23:12:18 INFO ImageFitter::fit+ 2025-03-15 23:12:18 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:12:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:12:18 INFO ImageFitter::fit+ --- region: 2025-03-15 23:12:18 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:12:18 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:12:18 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:12:18 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:12:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:12:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:12:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:18 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:12:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:12:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:12:18 INFO imstat::::casa ########################################## 2025-03-15 23:12:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:12:18 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:12:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:12:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:12:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:12:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:12:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:18 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:12:18 INFO imstat:::: Values --- 2025-03-15 23:12:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:12:18 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:12:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:12:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:12:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:12:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:12:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:12:18 INFO imstat:::: Statistics --- 2025-03-15 23:12:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2025-03-15 23:12:18 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:12:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:12:18 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 2025-03-15 23:12:18 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:12:17.662154 End time: 2025-03-15 23:12:17.690185 2025-03-15 23:12:18 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:12:18 INFO imstat::::casa ########################################## 2025-03-15 23:12:18 INFO phaseshift::::casa ########################################## 2025-03-15 23:12:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:12:18 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 19h53m49.9980 02:40:24.0001' ) 2025-03-15 23:12:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:12:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:12:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:12:18 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:12:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:12:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:12:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:12:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:12:18 INFO MSTransformManager::open Select data 2025-03-15 23:12:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:12:24 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:12:24 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 02:40:24.0001' successfully parsed 2025-03-15 23:12:24 INFO phaseshift::::casa Shift phase center 2025-03-15 23:12:25 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:12:25 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:12:17.707438 End time: 2025-03-15 23:12:24.772142 2025-03-15 23:12:25 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:12:25 INFO phaseshift::::casa ########################################## 2025-03-15 23:12:25 INFO tclean::::casa ########################################## 2025-03-15 23:12:25 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:12:25 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:12:25 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:12:25 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:12:25 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:12:25 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:12:25 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:12:25 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:12:25 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:12:25 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:12:25 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:12:25 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:12:25 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:12:25 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:12:26 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:12:26 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.023222 2025-03-15 23:12:26 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:12:26 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:12:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:12:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:12:28 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:12:28 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:12:28 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:12:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:12:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:12:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:12:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:12:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:12:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:12:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:12:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:12:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:12:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:12:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:12:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:12:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:12:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:12:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:12:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:12:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:12:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:12:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:12:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:12:34 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:12:34 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:12:34 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:12:35 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:12:35 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:12:36 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:12:24.824231 End time: 2025-03-15 23:12:36.019799 2025-03-15 23:12:36 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:12:36 INFO tclean::::casa ########################################## 2025-03-15 23:12:36 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:12:36 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:36 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:12:36 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:12:36 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:12:36 2025****** 2025-03-15 23:12:36 INFO ImageFitter::fit+ 2025-03-15 23:12:36 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:12:36 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:12:36 INFO ImageFitter::fit+ --- region: 2025-03-15 23:12:36 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:12:36 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:12:36 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:12:36 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:12:36 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:12:36 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:12:36 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:36 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996) 2025-03-15 23:12:36 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:12:36 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:12:36 INFO imstat::::casa ########################################## 2025-03-15 23:12:36 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:12:36 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:12:36 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:12:36 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:12:36 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:12:36 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:12:36 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:36 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:12:36 INFO imstat:::: Values --- 2025-03-15 23:12:36 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:12:36 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:12:36 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:12:36 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:12:36 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:12:36 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-03-15 23:12:36 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:12:36 INFO imstat:::: Statistics --- 2025-03-15 23:12:36 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2025-03-15 23:12:36 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:12:36 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.780943e-05 4.999996e+00 2025-03-15 23:12:36 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:12:36.065105 End time: 2025-03-15 23:12:36.091548 2025-03-15 23:12:36 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:12:36 INFO imstat::::casa ########################################## 2025-03-15 23:12:36 INFO phaseshift::::casa ########################################## 2025-03-15 23:12:36 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:12:36 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40.100000528deg' ) 2025-03-15 23:12:36 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:12:36 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:12:36 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:12:36 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:12:36 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:12:36 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:12:36 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:12:36 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:12:36 INFO MSTransformManager::open Select data 2025-03-15 23:12:36 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:12:38 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:12:38 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 40.100000528deg' successfully parsed 2025-03-15 23:12:38 INFO phaseshift::::casa Shift phase center 2025-03-15 23:12:38 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:12:38 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:12:36.103620 End time: 2025-03-15 23:12:38.205712 2025-03-15 23:12:38 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:12:38 INFO phaseshift::::casa ########################################## 2025-03-15 23:12:38 INFO tclean::::casa ########################################## 2025-03-15 23:12:38 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:12:38 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:12:38 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:12:38 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:12:38 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:12:38 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:12:38 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:12:38 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:12:38 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:12:38 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:12:38 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:12:38 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:12:38 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:12:38 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:12:39 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:12:39 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.024679 2025-03-15 23:12:39 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:12:39 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:12:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:12:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:12:41 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:12:41 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:12:41 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:12:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:12:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:12:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:12:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:12:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:12:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:12:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:12:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:12:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:12:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:12:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:12:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:12:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:12:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:12:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:12:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:12:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:12:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:12:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:12:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:12:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:12:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:12:47 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:12:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:12:48 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:12:48 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:12:49 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:12:38.250146 End time: 2025-03-15 23:12:49.230251 2025-03-15 23:12:49 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:12:49 INFO tclean::::casa ########################################## 2025-03-15 23:12:49 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:12:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:49 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:12:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:12:49 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:12:49 2025****** 2025-03-15 23:12:49 INFO ImageFitter::fit+ 2025-03-15 23:12:49 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:12:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:12:49 INFO ImageFitter::fit+ --- region: 2025-03-15 23:12:49 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:12:49 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:12:49 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:12:49 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:12:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:12:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:12:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:49 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:12:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:12:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:12:49 INFO imstat::::casa ########################################## 2025-03-15 23:12:49 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:12:49 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:12:49 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:12:49 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:12:49 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:12:49 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:12:49 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:12:49 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:12:49 INFO imstat:::: Values --- 2025-03-15 23:12:49 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:12:49 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:12:49 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:12:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:12:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:12:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:12:49 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:12:49 INFO imstat:::: Statistics --- 2025-03-15 23:12:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2025-03-15 23:12:49 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:12:49 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.779537e-05 4.999996e+00 2025-03-15 23:12:49 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:12:49.303744 End time: 2025-03-15 23:12:49.343063 2025-03-15 23:12:49 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:12:49 INFO imstat::::casa ########################################## 2025-03-15 23:12:49 INFO phaseshift::::casa ########################################## 2025-03-15 23:12:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:12:49 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 0.699877039rad' ) 2025-03-15 23:12:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:12:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:12:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:12:49 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:12:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:12:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:12:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:12:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:12:49 INFO MSTransformManager::open Select data 2025-03-15 23:12:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:12:56 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:12:56 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 0.699877039rad' successfully parsed 2025-03-15 23:12:56 INFO phaseshift::::casa Shift phase center 2025-03-15 23:12:57 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:12:57 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:12:49.366620 End time: 2025-03-15 23:12:57.494486 2025-03-15 23:12:57 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:12:57 INFO phaseshift::::casa ########################################## 2025-03-15 23:12:58 INFO tclean::::casa ########################################## 2025-03-15 23:12:58 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:12:58 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:12:58 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:12:58 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:12:58 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:12:58 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:12:58 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:12:58 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:12:58 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:12:58 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:12:58 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:12:58 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:12:58 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:12:58 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:12:59 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:12:59 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027602 2025-03-15 23:12:59 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:12:59 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:12:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:13:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:13:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:13:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:13:00 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:13:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:13:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:13:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:13:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:13:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:13:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:13:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:13:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:13:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:13:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:13:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:13:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:13:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:13:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:13:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:13:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:13:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:13:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:13:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:13:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:13:04 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:13:04 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:13:04 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:13:05 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:13:05 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:13:07 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:12:57.541773 End time: 2025-03-15 23:13:06.963815 2025-03-15 23:13:07 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:13:07 INFO tclean::::casa ########################################## 2025-03-15 23:13:07 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:13:07 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:07 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:13:07 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:13:07 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:13:07 2025****** 2025-03-15 23:13:07 INFO ImageFitter::fit+ 2025-03-15 23:13:07 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:13:07 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:13:07 INFO ImageFitter::fit+ --- region: 2025-03-15 23:13:07 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:13:07 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:13:07 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:13:07 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:13:07 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:13:07 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:13:07 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:07 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:13:07 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:13:07 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:13:07 INFO imstat::::casa ########################################## 2025-03-15 23:13:07 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:13:07 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:13:07 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:13:07 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:13:07 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:13:07 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:13:07 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:07 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:13:07 INFO imstat:::: Values --- 2025-03-15 23:13:07 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:13:07 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:13:07 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:13:07 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:13:07 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:13:07 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:13:07 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:13:07 INFO imstat:::: Statistics --- 2025-03-15 23:13:07 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-03-15 23:13:07 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:13:07 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.778665e-05 4.999996e+00 2025-03-15 23:13:07 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:13:07.049636 End time: 2025-03-15 23:13:07.088415 2025-03-15 23:13:07 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:13:07 INFO imstat::::casa ########################################## 2025-03-15 23:13:07 INFO phaseshift::::casa ########################################## 2025-03-15 23:13:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:13:07 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40d06m0.0019' ) 2025-03-15 23:13:07 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:13:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:13:07 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:13:07 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:13:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:13:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:13:07 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:13:07 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:13:07 INFO MSTransformManager::open Select data 2025-03-15 23:13:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:13:12 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:13:12 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 40d06m0.0019' successfully parsed 2025-03-15 23:13:12 INFO phaseshift::::casa Shift phase center 2025-03-15 23:13:13 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:13:13 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:13:07.117352 End time: 2025-03-15 23:13:13.011272 2025-03-15 23:13:13 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:13:13 INFO phaseshift::::casa ########################################## 2025-03-15 23:13:13 INFO tclean::::casa ########################################## 2025-03-15 23:13:13 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:13:13 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:13:13 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:13:13 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:13:13 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:13:13 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:13:13 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:13:13 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:13:13 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:13:13 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:13:13 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:13:13 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:13:13 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:13:13 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:13:14 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:13:14 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.024666 2025-03-15 23:13:14 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:13:14 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:13:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:13:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:13:16 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:13:16 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:13:16 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:13:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:13:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:13:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:13:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:13:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:13:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:13:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:13:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:13:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:13:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:13:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:13:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:13:20 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:13:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:13:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:13:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:13:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:13:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:13:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:13:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:13:23 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:13:23 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:13:23 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:13:23 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:13:24 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:13:24 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:13:13.069864 End time: 2025-03-15 23:13:24.168636 2025-03-15 23:13:24 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:13:24 INFO tclean::::casa ########################################## 2025-03-15 23:13:24 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:13:24 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:24 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:13:24 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:13:24 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:13:24 2025****** 2025-03-15 23:13:24 INFO ImageFitter::fit+ 2025-03-15 23:13:24 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:13:24 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:13:24 INFO ImageFitter::fit+ --- region: 2025-03-15 23:13:24 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:13:24 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:13:24 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:13:24 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:13:24 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:13:24 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:13:24 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:24 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:13:24 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:13:24 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:13:24 INFO imstat::::casa ########################################## 2025-03-15 23:13:24 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:13:24 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:13:24 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:13:24 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:13:24 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:13:24 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:13:24 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:24 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:13:24 INFO imstat:::: Values --- 2025-03-15 23:13:24 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:13:24 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:13:24 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:13:24 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:13:24 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:13:24 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:13:24 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:13:24 INFO imstat:::: Statistics --- 2025-03-15 23:13:24 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2025-03-15 23:13:24 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:13:24 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.779541e-05 4.999996e+00 2025-03-15 23:13:24 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:13:24.243258 End time: 2025-03-15 23:13:24.270187 2025-03-15 23:13:24 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:13:24 INFO imstat::::casa ########################################## 2025-03-15 23:13:24 INFO phaseshift::::casa ########################################## 2025-03-15 23:13:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:13:24 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 19:53:49.9980 02:40:24.0001' ) 2025-03-15 23:13:24 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:13:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:13:24 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:13:24 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:13:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:13:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:13:24 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:13:24 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:13:24 INFO MSTransformManager::open Select data 2025-03-15 23:13:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:13:28 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:13:28 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 02:40:24.0001' successfully parsed 2025-03-15 23:13:28 INFO phaseshift::::casa Shift phase center 2025-03-15 23:13:29 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:13:29 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:13:24.286851 End time: 2025-03-15 23:13:28.719702 2025-03-15 23:13:29 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:13:29 INFO phaseshift::::casa ########################################## 2025-03-15 23:13:29 INFO tclean::::casa ########################################## 2025-03-15 23:13:29 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:13:29 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:13:29 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:13:29 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:13:29 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:13:29 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:13:29 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:13:29 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:13:29 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:13:29 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:13:29 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:13:29 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:13:29 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:13:29 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:13:30 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:13:30 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.015798 2025-03-15 23:13:30 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:13:30 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:13:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:13:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:13:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:13:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:13:32 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:13:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:13:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:13:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:13:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:13:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:13:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:13:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:13:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:13:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:13:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:13:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:13:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:13:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:13:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:13:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:13:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:13:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:13:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:13:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:13:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:13:40 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:13:40 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:13:40 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:13:41 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:13:41 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:13:42 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:13:28.771443 End time: 2025-03-15 23:13:42.470458 2025-03-15 23:13:42 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:13:42 INFO tclean::::casa ########################################## 2025-03-15 23:13:42 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:13:42 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:42 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:13:42 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:13:43 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:13:43 2025****** 2025-03-15 23:13:43 INFO ImageFitter::fit+ 2025-03-15 23:13:43 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:13:43 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:13:43 INFO ImageFitter::fit+ --- region: 2025-03-15 23:13:43 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:13:43 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:13:43 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:13:43 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:13:43 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:13:43 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:13:43 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:43 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996) 2025-03-15 23:13:43 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:13:43 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:13:43 INFO imstat::::casa ########################################## 2025-03-15 23:13:43 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:13:43 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:13:43 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:13:43 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:13:43 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:13:43 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:13:43 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:43 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:13:43 INFO imstat:::: Values --- 2025-03-15 23:13:43 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:13:43 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:13:43 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:13:43 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:13:43 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:13:43 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-03-15 23:13:43 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:13:43 INFO imstat:::: Statistics --- 2025-03-15 23:13:43 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2025-03-15 23:13:43 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:13:43 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.780943e-05 4.999996e+00 2025-03-15 23:13:43 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:13:42.549587 End time: 2025-03-15 23:13:42.586009 2025-03-15 23:13:43 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:13:43 INFO imstat::::casa ########################################## 2025-03-15 23:13:43 INFO phaseshift::::casa ########################################## 2025-03-15 23:13:43 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:13:43 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 19:53:49.9980 40.100000528deg' ) 2025-03-15 23:13:43 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:13:43 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:13:43 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:13:43 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:13:43 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:13:43 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:13:43 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:13:43 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:13:43 INFO MSTransformManager::open Select data 2025-03-15 23:13:43 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:13:46 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:13:46 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 40.100000528deg' successfully parsed 2025-03-15 23:13:46 INFO phaseshift::::casa Shift phase center 2025-03-15 23:13:46 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:13:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:13:42.608243 End time: 2025-03-15 23:13:46.314848 2025-03-15 23:13:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:13:46 INFO phaseshift::::casa ########################################## 2025-03-15 23:13:46 INFO tclean::::casa ########################################## 2025-03-15 23:13:46 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:13:46 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:13:46 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:13:46 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:13:46 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:13:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:13:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:13:47 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:13:47 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:13:47 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:13:47 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:13:47 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:13:47 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:13:47 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:13:48 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:13:48 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029157 2025-03-15 23:13:48 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:13:48 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:13:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:13:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:13:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:13:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:13:50 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:13:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:13:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:13:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:13:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:13:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:13:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:13:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:13:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:13:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:13:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:13:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:13:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:13:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:13:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:13:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:13:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:13:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:13:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:13:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:13:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:13:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:13:55 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:13:55 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:13:55 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:13:56 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:13:56 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:13:58 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:13:46.363579 End time: 2025-03-15 23:13:57.687193 2025-03-15 23:13:58 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:13:58 INFO tclean::::casa ########################################## 2025-03-15 23:13:58 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:13:58 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:58 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:13:58 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:13:58 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:13:58 2025****** 2025-03-15 23:13:58 INFO ImageFitter::fit+ 2025-03-15 23:13:58 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:13:58 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:13:58 INFO ImageFitter::fit+ --- region: 2025-03-15 23:13:58 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:13:58 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:13:58 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:13:58 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:13:58 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:13:58 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:13:58 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:58 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:13:58 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:13:58 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:13:58 INFO imstat::::casa ########################################## 2025-03-15 23:13:58 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:13:58 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:13:58 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:13:58 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:13:58 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:13:58 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:13:58 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:13:58 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:13:58 INFO imstat:::: Values --- 2025-03-15 23:13:58 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:13:58 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:13:58 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:13:58 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:13:58 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:13:58 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:13:58 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:13:58 INFO imstat:::: Statistics --- 2025-03-15 23:13:58 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2025-03-15 23:13:58 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:13:58 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.779537e-05 4.999996e+00 2025-03-15 23:13:58 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:13:57.761848 End time: 2025-03-15 23:13:57.789420 2025-03-15 23:13:58 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:13:58 INFO imstat::::casa ########################################## 2025-03-15 23:13:58 INFO phaseshift::::casa ########################################## 2025-03-15 23:13:58 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:13:58 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 0.699877039rad' ) 2025-03-15 23:13:58 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:13:58 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:13:58 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:13:58 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:13:58 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:13:58 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:13:58 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:13:58 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:13:58 INFO MSTransformManager::open Select data 2025-03-15 23:13:58 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:14:03 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:14:03 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 0.699877039rad' successfully parsed 2025-03-15 23:14:03 INFO phaseshift::::casa Shift phase center 2025-03-15 23:14:04 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:14:04 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:13:57.806340 End time: 2025-03-15 23:14:04.406777 2025-03-15 23:14:04 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:14:04 INFO phaseshift::::casa ########################################## 2025-03-15 23:14:04 INFO tclean::::casa ########################################## 2025-03-15 23:14:04 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:14:04 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:14:04 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:14:04 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:14:04 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:14:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:14:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:14:05 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:14:05 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:14:05 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:14:05 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:14:05 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:14:05 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:14:05 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:14:06 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:14:06 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027125 2025-03-15 23:14:06 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:14:06 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:14:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:14:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:14:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:14:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:14:08 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:14:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:14:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:14:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:14:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:14:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:14:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:14:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:14:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:14:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:14:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:14:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:14:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:14:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:14:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:14:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:14:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:14:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:14:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:14:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:14:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:14:14 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:14:14 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:14:14 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:14:15 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:14:15 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:14:17 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:14:04.459839 End time: 2025-03-15 23:14:16.926800 2025-03-15 23:14:17 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:14:17 INFO tclean::::casa ########################################## 2025-03-15 23:14:17 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:14:17 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:14:17 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:14:17 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:14:17 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:14:17 2025****** 2025-03-15 23:14:17 INFO ImageFitter::fit+ 2025-03-15 23:14:17 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:14:17 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:14:17 INFO ImageFitter::fit+ --- region: 2025-03-15 23:14:17 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:14:17 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:14:17 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:14:17 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:14:17 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:14:17 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:14:17 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:14:17 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:14:17 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:14:17 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:14:17 INFO imstat::::casa ########################################## 2025-03-15 23:14:17 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:14:17 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:14:17 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:14:17 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:14:17 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:14:17 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:14:17 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:14:17 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:14:17 INFO imstat:::: Values --- 2025-03-15 23:14:17 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:14:17 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:14:17 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:14:17 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:14:17 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:14:17 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:14:17 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:14:17 INFO imstat:::: Statistics --- 2025-03-15 23:14:17 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-03-15 23:14:17 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:14:17 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.778665e-05 4.999996e+00 2025-03-15 23:14:17 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:14:17.005489 End time: 2025-03-15 23:14:17.033311 2025-03-15 23:14:17 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:14:17 INFO imstat::::casa ########################################## 2025-03-15 23:14:17 INFO phaseshift::::casa ########################################## 2025-03-15 23:14:17 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:14:17 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40d06m0.0019' ) 2025-03-15 23:14:17 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:14:17 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:14:17 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:14:17 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:14:17 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:14:17 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:14:17 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:14:17 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:14:17 INFO MSTransformManager::open Select data 2025-03-15 23:14:17 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:14:20 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:14:20 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 40d06m0.0019' successfully parsed 2025-03-15 23:14:20 INFO phaseshift::::casa Shift phase center 2025-03-15 23:14:21 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:14:21 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:14:17.050362 End time: 2025-03-15 23:14:20.716693 2025-03-15 23:14:21 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:14:21 INFO phaseshift::::casa ########################################## 2025-03-15 23:14:21 INFO tclean::::casa ########################################## 2025-03-15 23:14:21 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:14:21 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 ) 2025-03-15 23:14:21 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:14:21 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:14:21 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:14:21 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:14:21 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:14:21 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:14:21 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:14:21 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:14:21 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:14:21 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:14:21 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:14:21 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:14:22 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:14:22 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.030533 2025-03-15 23:14:22 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:14:22 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:14:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:14:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:14:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:14:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:14:24 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:14:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:14:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:14:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:14:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:14:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:14:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:14:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:14:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:14:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:14:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:14:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:14:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:14:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:14:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:14:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:14:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:14:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:14:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:14:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:14:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:14:29 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:14:29 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:14:29 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:14:30 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:14:30 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:14:31 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:14:20.772289 End time: 2025-03-15 23:14:30.820045 2025-03-15 23:14:31 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:14:31 INFO tclean::::casa ########################################## 2025-03-15 23:14:31 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:14:31 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:14:31 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:14:31 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:14:31 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:14:31 2025****** 2025-03-15 23:14:31 INFO ImageFitter::fit+ 2025-03-15 23:14:31 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:14:31 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:14:31 INFO ImageFitter::fit+ --- region: 2025-03-15 23:14:31 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:14:31 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:14:31 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:14:31 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:14:31 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:14:31 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:14:31 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:14:31 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:14:31 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:14:31 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:14:31 INFO imstat::::casa ########################################## 2025-03-15 23:14:31 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:14:31 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:14:31 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:14:31 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:14:31 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:14:31 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:14:31 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:14:31 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:14:31 INFO imstat:::: Values --- 2025-03-15 23:14:31 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:14:31 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:14:31 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:14:31 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:14:31 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:14:31 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:14:31 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:14:31 INFO imstat:::: Statistics --- 2025-03-15 23:14:31 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2025-03-15 23:14:31 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:14:31 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.779541e-05 4.999996e+00 2025-03-15 23:14:31 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:14:30.890080 End time: 2025-03-15 23:14:30.932637 2025-03-15 23:14:31 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:14:31 INFO imstat::::casa ########################################## 2025-03-15 23:14:31 INFO phaseshift::::casa ########################################## 2025-03-15 23:14:31 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:14:31 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 02:40:24.0001' ) 2025-03-15 23:14:31 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:14:31 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:14:31 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:14:31 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:14:31 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:14:31 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:14:31 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:14:31 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:14:31 INFO MSTransformManager::open Select data 2025-03-15 23:14:31 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:14:36 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:14:36 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 02:40:24.0001' successfully parsed 2025-03-15 23:14:36 INFO phaseshift::::casa Shift phase center 2025-03-15 23:14:37 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:14:37 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:14:30.956762 End time: 2025-03-15 23:14:37.496104 2025-03-15 23:14:37 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:14:37 INFO phaseshift::::casa ########################################## 2025-03-15 23:14:38 INFO tclean::::casa ########################################## 2025-03-15 23:14:38 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:14:38 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:14:38 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:14:38 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:14:38 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:14:38 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:14:38 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:14:38 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:14:38 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:14:38 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:14:38 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:14:38 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:14:38 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:14:38 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:14:39 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:14:39 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026898 2025-03-15 23:14:39 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:14:39 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:14:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:14:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:14:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:14:41 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:14:41 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:14:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:14:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:14:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:14:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:14:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:14:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:14:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:14:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:14:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:14:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:14:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:14:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:14:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:14:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:14:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:14:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:14:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:14:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:14:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:14:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:14:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:14:47 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:14:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:14:47 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:14:48 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:14:49 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:14:37.552114 End time: 2025-03-15 23:14:48.587439 2025-03-15 23:14:49 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:14:49 INFO tclean::::casa ########################################## 2025-03-15 23:14:49 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:14:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:14:49 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:14:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:14:49 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:14:49 2025****** 2025-03-15 23:14:49 INFO ImageFitter::fit+ 2025-03-15 23:14:49 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:14:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:14:49 INFO ImageFitter::fit+ --- region: 2025-03-15 23:14:49 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:14:49 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:14:49 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:14:49 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:14:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:14:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:14:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:14:49 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996) 2025-03-15 23:14:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:14:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:14:49 INFO imstat::::casa ########################################## 2025-03-15 23:14:49 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:14:49 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:14:49 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:14:49 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:14:49 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:14:49 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:14:49 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:14:49 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:14:49 INFO imstat:::: Values --- 2025-03-15 23:14:49 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:14:49 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:14:49 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:14:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:14:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:14:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-03-15 23:14:49 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:14:49 INFO imstat:::: Statistics --- 2025-03-15 23:14:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2025-03-15 23:14:49 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:14:49 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.780943e-05 4.999996e+00 2025-03-15 23:14:49 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:14:48.651874 End time: 2025-03-15 23:14:48.693751 2025-03-15 23:14:49 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:14:49 INFO imstat::::casa ########################################## 2025-03-15 23:14:49 INFO phaseshift::::casa ########################################## 2025-03-15 23:14:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:14:49 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 298.458325000deg 40.100000528deg' ) 2025-03-15 23:14:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:14:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:14:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:14:49 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:14:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:14:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:14:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:14:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:14:49 INFO MSTransformManager::open Select data 2025-03-15 23:14:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:14:51 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:14:51 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 40.100000528deg' successfully parsed 2025-03-15 23:14:51 INFO phaseshift::::casa Shift phase center 2025-03-15 23:14:52 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:14:52 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:14:48.719438 End time: 2025-03-15 23:14:52.168685 2025-03-15 23:14:52 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:14:52 INFO phaseshift::::casa ########################################## 2025-03-15 23:14:52 INFO tclean::::casa ########################################## 2025-03-15 23:14:52 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:14:52 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:14:52 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:14:52 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:14:52 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:14:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:14:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:14:52 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:14:52 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:14:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:14:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:14:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:14:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:14:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:14:53 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:14:54 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029856 2025-03-15 23:14:54 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:14:54 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:14:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:14:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:14:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:14:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:14:56 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:14:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:14:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:14:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:14:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:14:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:14:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:14:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:14:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:14:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:14:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:14:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:14:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:14:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:14:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:14:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:15:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:15:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:15:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:15:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:15:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:15:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:15:01 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:15:01 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:15:01 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:15:02 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:15:02 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:15:03 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:14:52.220744 End time: 2025-03-15 23:15:03.415922 2025-03-15 23:15:03 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:15:03 INFO tclean::::casa ########################################## 2025-03-15 23:15:03 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:15:03 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:15:03 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:15:03 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:15:03 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:15:03 2025****** 2025-03-15 23:15:03 INFO ImageFitter::fit+ 2025-03-15 23:15:03 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:15:03 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:15:03 INFO ImageFitter::fit+ --- region: 2025-03-15 23:15:03 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:15:03 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:15:03 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:15:03 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:15:03 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:15:03 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:15:03 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:15:03 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:15:03 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:15:03 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:15:04 INFO imstat::::casa ########################################## 2025-03-15 23:15:04 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:15:04 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:15:04 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:15:04 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:15:04 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:15:04 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:15:04 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:15:04 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:15:04 INFO imstat:::: Values --- 2025-03-15 23:15:04 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:15:04 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:15:04 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:15:04 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:15:04 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:15:04 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:15:04 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:15:04 INFO imstat:::: Statistics --- 2025-03-15 23:15:04 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2025-03-15 23:15:04 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:15:04 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.779537e-05 4.999996e+00 2025-03-15 23:15:04 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:15:03.507489 End time: 2025-03-15 23:15:03.537341 2025-03-15 23:15:04 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:15:04 INFO imstat::::casa ########################################## 2025-03-15 23:15:04 INFO phaseshift::::casa ########################################## 2025-03-15 23:15:04 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:15:04 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 0.699877039rad' ) 2025-03-15 23:15:04 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:15:04 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:15:04 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:15:04 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:15:04 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:15:04 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:15:04 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:15:04 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:15:04 INFO MSTransformManager::open Select data 2025-03-15 23:15:04 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:15:08 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:15:08 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 0.699877039rad' successfully parsed 2025-03-15 23:15:08 INFO phaseshift::::casa Shift phase center 2025-03-15 23:15:10 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:15:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:15:03.555108 End time: 2025-03-15 23:15:10.001308 2025-03-15 23:15:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:15:10 INFO phaseshift::::casa ########################################## 2025-03-15 23:15:10 INFO tclean::::casa ########################################## 2025-03-15 23:15:10 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:15:10 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 ) 2025-03-15 23:15:10 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:15:10 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:15:10 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:15:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:15:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:15:10 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:15:10 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:15:10 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:15:10 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:15:10 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:15:10 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:15:10 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:15:12 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:15:12 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019571 2025-03-15 23:15:12 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:15:12 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:15:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:15:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:15:14 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:15:14 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:15:14 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:15:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:15:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:15:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:15:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:15:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:15:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:15:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:15:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:15:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:15:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:15:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:15:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:15:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:15:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:15:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:15:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:15:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:15:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:15:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:15:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:15:18 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:15:18 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:15:18 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:15:19 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:15:20 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:15:21 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:15:10.061063 End time: 2025-03-15 23:15:21.170248 2025-03-15 23:15:21 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:15:21 INFO tclean::::casa ########################################## 2025-03-15 23:15:21 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:15:21 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:15:21 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:15:21 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:15:21 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:15:21 2025****** 2025-03-15 23:15:21 INFO ImageFitter::fit+ 2025-03-15 23:15:21 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:15:21 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:15:21 INFO ImageFitter::fit+ --- region: 2025-03-15 23:15:21 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:15:21 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:15:21 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:15:21 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:15:21 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:15:21 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:15:21 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:15:21 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:15:21 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:15:21 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:15:21 INFO imstat::::casa ########################################## 2025-03-15 23:15:21 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:15:21 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:15:21 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:15:21 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:15:21 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:15:21 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:15:21 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:15:21 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:15:21 INFO imstat:::: Values --- 2025-03-15 23:15:21 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:15:21 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:15:21 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:15:21 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:15:21 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:15:21 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:15:21 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:15:21 INFO imstat:::: Statistics --- 2025-03-15 23:15:21 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-03-15 23:15:21 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:15:21 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.778665e-05 4.999996e+00 2025-03-15 23:15:21 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:15:21.250294 End time: 2025-03-15 23:15:21.287274 2025-03-15 23:15:21 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:15:21 INFO imstat::::casa ########################################## 2025-03-15 23:15:21 INFO phaseshift::::casa ########################################## 2025-03-15 23:15:21 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:15:21 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40d06m0.0019' ) 2025-03-15 23:15:21 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:15:21 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:15:21 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:15:21 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:15:21 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:15:21 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:15:21 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:15:21 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:15:21 INFO MSTransformManager::open Select data 2025-03-15 23:15:21 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:15:25 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:15:25 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 40d06m0.0019' successfully parsed 2025-03-15 23:15:25 INFO phaseshift::::casa Shift phase center 2025-03-15 23:15:27 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:15:27 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:15:21.303587 End time: 2025-03-15 23:15:26.960731 2025-03-15 23:15:27 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:15:27 INFO phaseshift::::casa ########################################## 2025-03-15 23:15:27 INFO tclean::::casa ########################################## 2025-03-15 23:15:27 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:15:27 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:15:27 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:15:27 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:15:27 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:15:27 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:15:27 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:15:27 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:15:27 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:15:27 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:15:27 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:15:27 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:15:27 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:15:27 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:15:28 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:15:28 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029165 2025-03-15 23:15:28 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:15:28 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:15:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:15:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:15:31 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:15:31 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:15:31 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:15:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:15:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:15:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:15:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:15:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:15:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:15:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:15:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:15:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:15:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:15:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:15:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:15:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:15:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:15:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:15:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:15:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:15:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:15:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:15:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:15:41 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:15:41 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:15:41 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:15:42 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:15:44 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:15:45 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:15:27.015461 End time: 2025-03-15 23:15:45.398821 2025-03-15 23:15:45 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:15:45 INFO tclean::::casa ########################################## 2025-03-15 23:15:45 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:15:45 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:15:45 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:15:45 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:15:45 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:15:45 2025****** 2025-03-15 23:15:45 INFO ImageFitter::fit+ 2025-03-15 23:15:45 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:15:45 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:15:45 INFO ImageFitter::fit+ --- region: 2025-03-15 23:15:45 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:15:45 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:15:45 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:15:45 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:15:45 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:15:45 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:15:45 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:15:45 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:15:45 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116878 Jy 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126494 Jy 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:15:45 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:15:45 INFO imstat::::casa ########################################## 2025-03-15 23:15:45 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:15:45 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:15:45 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:15:45 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:15:45 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:15:45 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:15:45 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:15:45 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:15:45 INFO imstat:::: Values --- 2025-03-15 23:15:45 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:15:45 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:15:45 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- minimum value [min]: -7.77984e-05 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:15:45 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:15:45 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:15:45 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:15:45 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:15:45 INFO imstat:::: Statistics --- 2025-03-15 23:15:45 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- Median of the pixel values [median]: -1.86704e-05 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7365e-05 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- IQR [quartile]: 3.56348e-05 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- First quartile [q1]: -3.45131e-05 Jy/beam 2025-03-15 23:15:45 INFO imstat:::: -- Third quartile [q3]: 1.12172e-06 Jy/beam 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:15:45 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085647e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.779843e-05 4.999996e+00 2025-03-15 23:15:45 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:15:45.456846 End time: 2025-03-15 23:15:45.485370 2025-03-15 23:15:45 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:15:45 INFO imstat::::casa ########################################## 2025-03-15 23:15:45 INFO phaseshift::::casa ########################################## 2025-03-15 23:15:45 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:15:45 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 02:40:24.0001' ) 2025-03-15 23:15:46 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:15:46 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:15:46 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:15:46 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:15:46 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:15:46 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:15:46 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:15:46 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:15:46 INFO MSTransformManager::open Select data 2025-03-15 23:15:46 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:15:47 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:15:47 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 02:40:24.0001' successfully parsed 2025-03-15 23:15:47 INFO phaseshift::::casa Shift phase center 2025-03-15 23:15:48 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:15:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:15:45.499461 End time: 2025-03-15 23:15:47.851545 2025-03-15 23:15:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:15:48 INFO phaseshift::::casa ########################################## 2025-03-15 23:15:48 INFO tclean::::casa ########################################## 2025-03-15 23:15:48 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:15:48 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:15:48 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:15:48 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:15:48 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:15:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:15:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:15:48 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:15:48 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:15:48 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:15:48 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:15:48 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:15:48 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:15:48 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:15:49 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:15:49 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016597 2025-03-15 23:15:49 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:15:49 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:15:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:15:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:15:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:15:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:15:51 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:15:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:15:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:15:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:15:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:15:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:15:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:15:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:15:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:15:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:15:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:15:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:15:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:15:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:15:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:15:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:15:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:15:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:15:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:15:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:15:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:15:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:15:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:15:59 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:15:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:15:59 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:16:00 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:16:01 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:15:47.878911 End time: 2025-03-15 23:16:00.780645 2025-03-15 23:16:01 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:16:01 INFO tclean::::casa ########################################## 2025-03-15 23:16:01 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:16:01 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:01 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:16:01 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:16:01 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:16:01 2025****** 2025-03-15 23:16:01 INFO ImageFitter::fit+ 2025-03-15 23:16:01 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:16:01 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:16:01 INFO ImageFitter::fit+ --- region: 2025-03-15 23:16:01 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:16:01 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:16:01 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:16:01 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:16:01 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:16:01 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:16:01 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:01 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) 2025-03-15 23:16:01 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116894 Jy 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126508 Jy 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:16:01 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:16:01 INFO imstat::::casa ########################################## 2025-03-15 23:16:01 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:16:01 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:16:01 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:16:01 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:16:01 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:16:01 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:16:01 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:01 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:16:01 INFO imstat:::: Values --- 2025-03-15 23:16:01 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:16:01 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:16:01 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- minimum value [min]: -7.78076e-05 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:16:01 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:16:01 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:16:01 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-03-15 23:16:01 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:16:01 INFO imstat:::: Statistics --- 2025-03-15 23:16:01 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- Median of the pixel values [median]: -1.86848e-05 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73951e-05 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- IQR [quartile]: 3.56676e-05 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- First quartile [q1]: -3.45186e-05 Jy/beam 2025-03-15 23:16:01 INFO imstat:::: -- Third quartile [q3]: 1.14894e-06 Jy/beam 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:16:01 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.780757e-05 4.999996e+00 2025-03-15 23:16:01 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:16:00.851884 End time: 2025-03-15 23:16:00.893416 2025-03-15 23:16:01 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:16:01 INFO imstat::::casa ########################################## 2025-03-15 23:16:01 INFO phaseshift::::casa ########################################## 2025-03-15 23:16:01 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:16:01 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 5.209080451rad 40.100000528deg' ) 2025-03-15 23:16:01 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:16:01 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:16:01 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:16:01 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:16:01 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:16:01 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:16:01 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:16:01 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:16:01 INFO MSTransformManager::open Select data 2025-03-15 23:16:01 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:16:04 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:16:04 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 40.100000528deg' successfully parsed 2025-03-15 23:16:04 INFO phaseshift::::casa Shift phase center 2025-03-15 23:16:05 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:16:05 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:16:00.918349 End time: 2025-03-15 23:16:04.706097 2025-03-15 23:16:05 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:16:05 INFO phaseshift::::casa ########################################## 2025-03-15 23:16:05 INFO tclean::::casa ########################################## 2025-03-15 23:16:05 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:16:05 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:16:05 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:16:05 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:16:05 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:16:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:16:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:16:05 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:16:05 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:16:05 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:16:05 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:16:05 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:16:05 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:16:05 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:16:06 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:16:07 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028666 2025-03-15 23:16:07 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:16:07 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:16:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:16:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:16:09 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:16:09 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:16:09 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:16:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:16:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:16:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:16:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:16:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:16:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:16:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:16:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:16:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:16:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:16:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:16:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:16:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:16:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:16:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:16:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:16:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:16:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:16:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:16:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:16:15 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:16:15 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:16:15 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:16:16 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:16:16 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:16:17 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:16:04.757436 End time: 2025-03-15 23:16:17.417488 2025-03-15 23:16:17 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:16:17 INFO tclean::::casa ########################################## 2025-03-15 23:16:17 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:16:17 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:17 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:16:17 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:16:17 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:16:17 2025****** 2025-03-15 23:16:17 INFO ImageFitter::fit+ 2025-03-15 23:16:17 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:16:17 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:16:17 INFO ImageFitter::fit+ --- region: 2025-03-15 23:16:17 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:16:17 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:16:17 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:16:17 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:16:17 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:16:17 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:16:17 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:17 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:16:17 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116882 Jy 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:16:17 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:16:17 INFO imstat::::casa ########################################## 2025-03-15 23:16:17 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:16:17 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:16:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:16:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:16:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:16:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:16:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:18 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:16:18 INFO imstat:::: Values --- 2025-03-15 23:16:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:16:18 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:16:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- minimum value [min]: -7.77982e-05 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:16:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:16:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:16:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:16:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:16:18 INFO imstat:::: Statistics --- 2025-03-15 23:16:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86711e-05 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73646e-05 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- IQR [quartile]: 3.56367e-05 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- First quartile [q1]: -3.45138e-05 Jy/beam 2025-03-15 23:16:18 INFO imstat:::: -- Third quartile [q3]: 1.12291e-06 Jy/beam 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:16:18 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085647e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.779823e-05 4.999996e+00 2025-03-15 23:16:18 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:16:17.492438 End time: 2025-03-15 23:16:17.519258 2025-03-15 23:16:18 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:16:18 INFO imstat::::casa ########################################## 2025-03-15 23:16:18 INFO phaseshift::::casa ########################################## 2025-03-15 23:16:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:16:18 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 5.209080451rad 0.699877039rad' ) 2025-03-15 23:16:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:16:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:16:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:16:18 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:16:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:16:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:16:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:16:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:16:18 INFO MSTransformManager::open Select data 2025-03-15 23:16:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:16:21 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:16:21 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 0.699877039rad' successfully parsed 2025-03-15 23:16:21 INFO phaseshift::::casa Shift phase center 2025-03-15 23:16:22 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:16:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:16:17.535976 End time: 2025-03-15 23:16:22.158320 2025-03-15 23:16:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:16:22 INFO phaseshift::::casa ########################################## 2025-03-15 23:16:22 INFO tclean::::casa ########################################## 2025-03-15 23:16:22 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:16:22 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:16:22 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:16:22 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:16:22 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:16:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:16:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:16:22 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:16:22 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:16:22 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:16:22 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:16:22 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:16:22 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:16:22 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:16:24 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:16:24 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027373 2025-03-15 23:16:24 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:16:24 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:16:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:16:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:16:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:16:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:16:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:16:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:16:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:16:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:16:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:16:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:16:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:16:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:16:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:16:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:16:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:16:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374443277716637, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:16:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:16:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:16:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:16:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:16:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852561634033918, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:16:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:16:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:16:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:16:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:16:30 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:16:30 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:16:30 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:16:30 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:16:30 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:16:31 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:16:22.213940 End time: 2025-03-15 23:16:31.025484 2025-03-15 23:16:31 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:16:31 INFO tclean::::casa ########################################## 2025-03-15 23:16:31 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:16:31 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:31 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:16:31 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:16:31 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:16:31 2025****** 2025-03-15 23:16:31 INFO ImageFitter::fit+ 2025-03-15 23:16:31 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:16:31 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:16:31 INFO ImageFitter::fit+ --- region: 2025-03-15 23:16:31 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:16:31 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:16:31 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:16:31 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:16:31 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:16:31 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:16:31 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:31 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:16:31 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:16:31 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:16:31 INFO imstat::::casa ########################################## 2025-03-15 23:16:31 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:16:31 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:16:31 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:16:31 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:16:31 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:16:31 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:16:31 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:31 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:16:31 INFO imstat:::: Values --- 2025-03-15 23:16:31 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:16:31 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:16:31 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- minimum value [min]: -7.77898e-05 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:16:31 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:16:31 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:16:31 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-03-15 23:16:31 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:16:31 INFO imstat:::: Statistics --- 2025-03-15 23:16:31 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- Median of the pixel values [median]: -1.86769e-05 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73662e-05 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- IQR [quartile]: 3.5634e-05 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-03-15 23:16:31 INFO imstat:::: -- Third quartile [q3]: 1.1187e-06 Jy/beam 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:16:31 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.778978e-05 4.999996e+00 2025-03-15 23:16:31 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:16:31.081530 End time: 2025-03-15 23:16:31.114743 2025-03-15 23:16:31 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:16:31 INFO imstat::::casa ########################################## 2025-03-15 23:16:31 INFO phaseshift::::casa ########################################## 2025-03-15 23:16:31 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:16:31 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 +006d21m09.7433' ) 2025-03-15 23:16:31 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:16:31 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:16:31 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:16:31 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:16:31 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:16:31 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:16:31 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:16:31 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:16:31 INFO MSTransformManager::open Select data 2025-03-15 23:16:31 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:16:34 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:16:34 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 +006d21m09.7433' successfully parsed 2025-03-15 23:16:34 INFO phaseshift::::casa Shift phase center 2025-03-15 23:16:35 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:16:35 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:16:31.128875 End time: 2025-03-15 23:16:34.860581 2025-03-15 23:16:35 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:16:35 INFO phaseshift::::casa ########################################## 2025-03-15 23:16:35 INFO tclean::::casa ########################################## 2025-03-15 23:16:35 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:16:35 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:16:35 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:16:35 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:16:35 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:16:35 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:16:35 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:16:35 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:16:35 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:16:35 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:16:35 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:16:35 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:16:35 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:16:35 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:16:36 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:16:36 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.025446 2025-03-15 23:16:36 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:16:36 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:16:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:16:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:16:38 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:16:38 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:16:38 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:16:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:16:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:16:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:16:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:16:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:16:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:16:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:16:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:16:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:16:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:16:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:16:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:16:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:16:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:16:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:16:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:16:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:16:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:16:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:16:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:16:46 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:16:46 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:16:46 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:16:47 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:16:47 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:16:49 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:16:34.915557 End time: 2025-03-15 23:16:48.973113 2025-03-15 23:16:49 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:16:49 INFO tclean::::casa ########################################## 2025-03-15 23:16:49 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:16:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:49 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:16:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:16:49 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:16:49 2025****** 2025-03-15 23:16:49 INFO ImageFitter::fit+ 2025-03-15 23:16:49 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:16:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:16:49 INFO ImageFitter::fit+ --- region: 2025-03-15 23:16:49 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:16:49 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:16:49 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:16:49 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:16:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:16:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:16:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:49 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:16:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:16:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:16:49 INFO imstat::::casa ########################################## 2025-03-15 23:16:49 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:16:49 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:16:49 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:16:49 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:16:49 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:16:49 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:16:49 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:16:49 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:16:49 INFO imstat:::: Values --- 2025-03-15 23:16:49 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:16:49 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:16:49 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- minimum value [min]: -7.77795e-05 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:16:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:16:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:16:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:16:49 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:16:49 INFO imstat:::: Statistics --- 2025-03-15 23:16:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- Median of the pixel values [median]: -1.86702e-05 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- IQR [quartile]: 3.56029e-05 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- First quartile [q1]: -3.45082e-05 Jy/beam 2025-03-15 23:16:49 INFO imstat:::: -- Third quartile [q3]: 1.09472e-06 Jy/beam 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:16:49 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777946e-05 4.999996e+00 2025-03-15 23:16:49 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:16:49.048626 End time: 2025-03-15 23:16:49.075153 2025-03-15 23:16:49 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:16:49 INFO imstat::::casa ########################################## 2025-03-15 23:16:49 INFO phaseshift::::casa ########################################## 2025-03-15 23:16:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:16:49 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 05h00m21.5326 00:25:24.6496' ) 2025-03-15 23:16:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:16:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:16:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:16:49 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:16:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:16:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:16:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:16:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:16:49 INFO MSTransformManager::open Select data 2025-03-15 23:16:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:16:52 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:16:52 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 00:25:24.6496' successfully parsed 2025-03-15 23:16:52 INFO phaseshift::::casa Shift phase center 2025-03-15 23:16:53 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:16:53 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:16:49.092167 End time: 2025-03-15 23:16:53.291562 2025-03-15 23:16:53 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:16:53 INFO phaseshift::::casa ########################################## 2025-03-15 23:16:53 INFO tclean::::casa ########################################## 2025-03-15 23:16:53 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:16:53 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:16:53 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:16:53 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:16:53 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:16:53 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:16:53 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:16:54 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:16:54 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:16:54 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:16:54 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:16:54 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:16:54 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:16:54 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:16:54 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:16:54 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010796 2025-03-15 23:16:54 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:16:54 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:16:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:16:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:16:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:16:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:16:56 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:16:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:16:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:16:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:16:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:16:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:16:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:16:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:16:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:16:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:16:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:17:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:17:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:17:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:17:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:17:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:17:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:17:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:17:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:17:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:17:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:17:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:17:02 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:17:02 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:17:02 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:17:03 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:17:03 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:17:05 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:16:53.350246 End time: 2025-03-15 23:17:04.645570 2025-03-15 23:17:05 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:17:05 INFO tclean::::casa ########################################## 2025-03-15 23:17:05 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:17:05 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:05 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:17:05 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:17:05 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:17:05 2025****** 2025-03-15 23:17:05 INFO ImageFitter::fit+ 2025-03-15 23:17:05 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:17:05 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:17:05 INFO ImageFitter::fit+ --- region: 2025-03-15 23:17:05 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:17:05 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:17:05 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:17:05 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:17:05 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:17:05 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:17:05 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:05 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:17:05 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116907 Jy 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:17:05 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:17:05 INFO imstat::::casa ########################################## 2025-03-15 23:17:05 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:17:05 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:17:05 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:17:05 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:17:05 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:17:05 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:17:05 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:05 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) 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-03-15 23:17:05 INFO imstat:::: Values --- 2025-03-15 23:17:05 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:17:05 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:17:05 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- minimum value [min]: -7.78732e-05 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:17:05 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:17:05 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:17:05 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:17:05 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:17:05 INFO imstat:::: Statistics --- 2025-03-15 23:17:05 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- Median of the pixel values [median]: -1.86516e-05 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- IQR [quartile]: 3.56959e-05 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- First quartile [q1]: -3.45348e-05 Jy/beam 2025-03-15 23:17:05 INFO imstat:::: -- Third quartile [q3]: 1.16101e-06 Jy/beam 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:17:05 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:17:05 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 2025-03-15 23:17:05 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:17:04.724737 End time: 2025-03-15 23:17:04.752732 2025-03-15 23:17:05 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:17:05 INFO imstat::::casa ########################################## 2025-03-15 23:17:05 INFO phaseshift::::casa ########################################## 2025-03-15 23:17:05 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:17:05 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 6.352706472deg' ) 2025-03-15 23:17:05 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:17:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:17:05 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:17:05 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:17:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:17:05 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:17:05 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:17:05 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:17:05 INFO MSTransformManager::open Select data 2025-03-15 23:17:05 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:17:09 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:17:09 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 6.352706472deg' successfully parsed 2025-03-15 23:17:09 INFO phaseshift::::casa Shift phase center 2025-03-15 23:17:10 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:17:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:17:04.770004 End time: 2025-03-15 23:17:09.533753 2025-03-15 23:17:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:17:10 INFO phaseshift::::casa ########################################## 2025-03-15 23:17:10 INFO tclean::::casa ########################################## 2025-03-15 23:17:10 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:17:10 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 ) 2025-03-15 23:17:10 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:17:10 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:17:10 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:17:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:17:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:17:10 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:17:10 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:17:10 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:17:10 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:17:10 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:17:10 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:17:10 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:17:11 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:17:11 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.022579 2025-03-15 23:17:11 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:17:11 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:17:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:17:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:17:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:17:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:17:13 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:17:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:17:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:17:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:17:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:17:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:17:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:17:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:17:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:17:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:17:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:17:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:17:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:17:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:17:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:17:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:17:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:17:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:17:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:17:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:17:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:17:16 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:17:16 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:17:16 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:17:17 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:17:17 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:17:20 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:17:09.564532 End time: 2025-03-15 23:17:19.596151 2025-03-15 23:17:20 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:17:20 INFO tclean::::casa ########################################## 2025-03-15 23:17:20 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:17:20 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:20 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:17:20 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:17:20 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:17:20 2025****** 2025-03-15 23:17:20 INFO ImageFitter::fit+ 2025-03-15 23:17:20 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:17:20 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:17:20 INFO ImageFitter::fit+ --- region: 2025-03-15 23:17:20 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:17:20 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:17:20 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:17:20 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:17:20 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:17:20 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:17:20 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:20 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:17:20 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:17:20 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:17:20 INFO imstat::::casa ########################################## 2025-03-15 23:17:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:17:20 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:17:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:17:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:17:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:17:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:17:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:20 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:17:20 INFO imstat:::: Values --- 2025-03-15 23:17:20 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:17:20 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:17:20 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- minimum value [min]: -7.7777e-05 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:17:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:17:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:17:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:17:20 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:17:20 INFO imstat:::: Statistics --- 2025-03-15 23:17:20 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- IQR [quartile]: 3.56027e-05 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- First quartile [q1]: -3.45074e-05 Jy/beam 2025-03-15 23:17:20 INFO imstat:::: -- Third quartile [q3]: 1.09529e-06 Jy/beam 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:17:20 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777703e-05 4.999996e+00 2025-03-15 23:17:20 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:17:19.678158 End time: 2025-03-15 23:17:19.707399 2025-03-15 23:17:20 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:17:20 INFO imstat::::casa ########################################## 2025-03-15 23:17:20 INFO phaseshift::::casa ########################################## 2025-03-15 23:17:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:17:20 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 0.110875644rad' ) 2025-03-15 23:17:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:17:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:17:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:17:20 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:17:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:17:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:17:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:17:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:17:20 INFO MSTransformManager::open Select data 2025-03-15 23:17:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:17:23 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:17:23 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 0.110875644rad' successfully parsed 2025-03-15 23:17:23 INFO phaseshift::::casa Shift phase center 2025-03-15 23:17:23 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:17:23 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:17:19.724851 End time: 2025-03-15 23:17:23.474386 2025-03-15 23:17:23 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:17:23 INFO phaseshift::::casa ########################################## 2025-03-15 23:17:24 INFO tclean::::casa ########################################## 2025-03-15 23:17:24 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:17:24 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:17:24 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:17:24 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:17:24 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:17:24 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:17:24 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:17:24 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:17:24 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:17:24 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:17:24 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:17:24 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:17:24 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:17:24 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:17:25 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:17:25 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01956 2025-03-15 23:17:25 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:17:25 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:17:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:17:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:17:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:17:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:17:27 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:17:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:17:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:17:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:17:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:17:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:17:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:17:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:17:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:17:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:17:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:17:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:17:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:17:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:17:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:17:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:17:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:17:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:17:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:17:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:17:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:17:33 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:17:33 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:17:33 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:17:34 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:17:34 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:17:35 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:17:23.524009 End time: 2025-03-15 23:17:35.348197 2025-03-15 23:17:35 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:17:35 INFO tclean::::casa ########################################## 2025-03-15 23:17:35 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:17:35 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:35 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:17:35 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:17:35 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:17:35 2025****** 2025-03-15 23:17:35 INFO ImageFitter::fit+ 2025-03-15 23:17:35 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:17:35 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:17:35 INFO ImageFitter::fit+ --- region: 2025-03-15 23:17:35 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:17:35 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:17:35 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:17:35 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:17:35 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:17:35 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:17:35 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:35 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:17:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:17:35 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:17:35 INFO imstat::::casa ########################################## 2025-03-15 23:17:35 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:17:35 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:17:35 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:17:35 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:17:35 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:17:35 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:17:35 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:35 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:17:35 INFO imstat:::: Values --- 2025-03-15 23:17:35 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:17:35 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:17:35 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- minimum value [min]: -7.77849e-05 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:17:35 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:17:35 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:17:35 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:17:35 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:17:35 INFO imstat:::: Statistics --- 2025-03-15 23:17:35 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- IQR [quartile]: 3.56016e-05 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- First quartile [q1]: -3.45087e-05 Jy/beam 2025-03-15 23:17:35 INFO imstat:::: -- Third quartile [q3]: 1.0929e-06 Jy/beam 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:17:35 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778491e-05 4.999996e+00 2025-03-15 23:17:35 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:17:35.407601 End time: 2025-03-15 23:17:35.430822 2025-03-15 23:17:35 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:17:35 INFO imstat::::casa ########################################## 2025-03-15 23:17:35 INFO phaseshift::::casa ########################################## 2025-03-15 23:17:35 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:17:35 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 +006d21m09.7433' ) 2025-03-15 23:17:35 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:17:35 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:17:35 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:17:35 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:17:35 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:17:35 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:17:35 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:17:35 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:17:35 INFO MSTransformManager::open Select data 2025-03-15 23:17:35 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:17:40 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:17:40 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 +006d21m09.7433' successfully parsed 2025-03-15 23:17:40 INFO phaseshift::::casa Shift phase center 2025-03-15 23:17:41 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:17:41 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:17:35.445679 End time: 2025-03-15 23:17:40.719398 2025-03-15 23:17:41 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:17:41 INFO phaseshift::::casa ########################################## 2025-03-15 23:17:41 INFO tclean::::casa ########################################## 2025-03-15 23:17:41 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:17:41 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:17:41 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:17:41 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:17:41 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:17:41 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:17:41 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:17:41 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:17:41 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:17:41 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:17:41 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:17:41 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:17:41 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:17:41 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:17:42 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:17:42 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.030424 2025-03-15 23:17:42 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:17:42 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:17:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:17:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:17:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:17:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:17:44 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:17:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:17:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:17:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:17:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:17:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:17:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:17:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:17:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:17:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:17:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:17:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:17:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:17:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:17:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:17:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:17:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:17:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:17:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:17:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:17:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:17:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:17:49 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:17:49 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:17:49 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:17:50 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:17:50 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:17:53 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:17:40.765664 End time: 2025-03-15 23:17:52.611133 2025-03-15 23:17:53 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:17:53 INFO tclean::::casa ########################################## 2025-03-15 23:17:53 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:17:53 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:53 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:17:53 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:17:53 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:17:53 2025****** 2025-03-15 23:17:53 INFO ImageFitter::fit+ 2025-03-15 23:17:53 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:17:53 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:17:53 INFO ImageFitter::fit+ --- region: 2025-03-15 23:17:53 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:17:53 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:17:53 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:17:53 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:17:53 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:17:53 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:17:53 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:53 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:17:53 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:17:53 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:17:53 INFO imstat::::casa ########################################## 2025-03-15 23:17:53 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:17:53 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:17:53 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:17:53 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:17:53 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:17:53 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:17:53 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:17:53 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:17:53 INFO imstat:::: Values --- 2025-03-15 23:17:53 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:17:53 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:17:53 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- minimum value [min]: -7.77795e-05 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:17:53 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:17:53 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:17:53 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:17:53 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:17:53 INFO imstat:::: Statistics --- 2025-03-15 23:17:53 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- Median of the pixel values [median]: -1.86702e-05 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- IQR [quartile]: 3.56029e-05 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- First quartile [q1]: -3.45082e-05 Jy/beam 2025-03-15 23:17:53 INFO imstat:::: -- Third quartile [q3]: 1.09472e-06 Jy/beam 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:17:53 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:17:53 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 2025-03-15 23:17:53 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:17:52.695188 End time: 2025-03-15 23:17:52.723439 2025-03-15 23:17:53 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:17:53 INFO imstat::::casa ########################################## 2025-03-15 23:17:53 INFO phaseshift::::casa ########################################## 2025-03-15 23:17:53 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:17:53 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' ) 2025-03-15 23:17:53 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:17:53 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:17:53 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:17:53 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:17:53 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:17:53 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:17:53 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:17:53 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:17:53 INFO MSTransformManager::open Select data 2025-03-15 23:17:53 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:17:56 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:17:56 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 00:25:24.6496' successfully parsed 2025-03-15 23:17:56 INFO phaseshift::::casa Shift phase center 2025-03-15 23:17:57 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:17:57 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:17:52.741989 End time: 2025-03-15 23:17:57.380228 2025-03-15 23:17:57 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:17:57 INFO phaseshift::::casa ########################################## 2025-03-15 23:17:57 INFO tclean::::casa ########################################## 2025-03-15 23:17:57 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:17:57 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:17:57 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:17:57 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:17:57 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:17:58 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:17:58 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:17:58 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:17:58 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:17:58 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:17:58 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:17:58 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:17:58 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:17:58 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:17:59 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:17:59 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027704 2025-03-15 23:17:59 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:17:59 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:18:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:18:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:18:01 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:18:01 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:18:01 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:18:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:18:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:18:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:18:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:18:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:18:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:18:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:18:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:18:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:18:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:18:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:18:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:18:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:18:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:18:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:18:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:18:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:18:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:18:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:18:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:18:07 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:18:07 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:18:07 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:18:09 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:18:10 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:18:11 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:17:57.429136 End time: 2025-03-15 23:18:11.040481 2025-03-15 23:18:11 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:18:11 INFO tclean::::casa ########################################## 2025-03-15 23:18:11 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:18:11 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:18:11 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:18:11 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:18:11 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:18:11 2025****** 2025-03-15 23:18:11 INFO ImageFitter::fit+ 2025-03-15 23:18:11 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:18:11 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:18:11 INFO ImageFitter::fit+ --- region: 2025-03-15 23:18:11 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:18:11 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:18:11 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:18:11 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:18:11 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:18:11 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:18:11 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:18:11 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:18:11 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116907 Jy 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:18:11 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:18:11 INFO imstat::::casa ########################################## 2025-03-15 23:18:11 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:18:11 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:18:11 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:18:11 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:18:11 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:18:11 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:18:11 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:18:11 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-03-15 23:18:11 INFO imstat:::: Values --- 2025-03-15 23:18:11 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:18:11 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:18:11 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- minimum value [min]: -7.78732e-05 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:18:11 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:18:11 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:18:11 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:18:11 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:18:11 INFO imstat:::: Statistics --- 2025-03-15 23:18:11 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- Median of the pixel values [median]: -1.86516e-05 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- IQR [quartile]: 3.56959e-05 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- First quartile [q1]: -3.45348e-05 Jy/beam 2025-03-15 23:18:11 INFO imstat:::: -- Third quartile [q3]: 1.16101e-06 Jy/beam 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:18:11 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085647e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.787321e-05 4.999996e+00 2025-03-15 23:18:11 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:18:11.131846 End time: 2025-03-15 23:18:11.169118 2025-03-15 23:18:11 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:18:11 INFO imstat::::casa ########################################## 2025-03-15 23:18:11 INFO phaseshift::::casa ########################################## 2025-03-15 23:18:11 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:18:11 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 6.352706472deg' ) 2025-03-15 23:18:11 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:18:11 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:18:11 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:18:11 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:18:11 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:18:11 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:18:11 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:18:11 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:18:11 INFO MSTransformManager::open Select data 2025-03-15 23:18:11 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:18:14 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:18:14 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 6.352706472deg' successfully parsed 2025-03-15 23:18:14 INFO phaseshift::::casa Shift phase center 2025-03-15 23:18:15 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:18:15 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:18:11.190924 End time: 2025-03-15 23:18:15.150238 2025-03-15 23:18:15 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:18:15 INFO phaseshift::::casa ########################################## 2025-03-15 23:18:15 INFO tclean::::casa ########################################## 2025-03-15 23:18:15 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:18:15 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:18:15 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:18:15 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:18:15 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:18:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:18:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:18:15 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:18:15 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:18:15 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:18:15 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:18:15 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:18:15 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:18:15 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:18:16 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:18:17 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028734 2025-03-15 23:18:17 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:18:17 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:18:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:18:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:18:18 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:18:18 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:18:18 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:18:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:18:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:18:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:18:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:18:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:18:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:18:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:18:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:18:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:18:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:18:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:18:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:18:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:18:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:18:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:18:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:18:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:18:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:18:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:18:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:18:28 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:18:28 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:18:28 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:18:29 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:18:30 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:18:31 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:18:15.208865 End time: 2025-03-15 23:18:31.347038 2025-03-15 23:18:31 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:18:31 INFO tclean::::casa ########################################## 2025-03-15 23:18:31 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:18:31 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:18:31 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:18:31 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:18:31 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:18:31 2025****** 2025-03-15 23:18:31 INFO ImageFitter::fit+ 2025-03-15 23:18:31 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:18:31 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:18:31 INFO ImageFitter::fit+ --- region: 2025-03-15 23:18:31 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:18:31 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:18:31 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:18:31 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:18:31 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:18:31 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:18:31 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:18:31 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:18:31 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:18:31 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:18:31 INFO imstat::::casa ########################################## 2025-03-15 23:18:31 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:18:31 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:18:31 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:18:31 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:18:31 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:18:31 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:18:31 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:18:31 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:18:31 INFO imstat:::: Values --- 2025-03-15 23:18:31 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:18:31 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:18:31 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- minimum value [min]: -7.7777e-05 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:18:31 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:18:31 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:18:31 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:18:31 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:18:31 INFO imstat:::: Statistics --- 2025-03-15 23:18:31 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- IQR [quartile]: 3.56027e-05 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- First quartile [q1]: -3.45074e-05 Jy/beam 2025-03-15 23:18:31 INFO imstat:::: -- Third quartile [q3]: 1.09529e-06 Jy/beam 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:18:31 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777703e-05 4.999996e+00 2025-03-15 23:18:31 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:18:31.433037 End time: 2025-03-15 23:18:31.461163 2025-03-15 23:18:31 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:18:31 INFO imstat::::casa ########################################## 2025-03-15 23:18:31 INFO phaseshift::::casa ########################################## 2025-03-15 23:18:31 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:18:31 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 0.110875644rad' ) 2025-03-15 23:18:31 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:18:31 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:18:31 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:18:31 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:18:31 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:18:32 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:18:32 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:18:32 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:18:32 INFO MSTransformManager::open Select data 2025-03-15 23:18:32 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:18:36 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:18:36 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 0.110875644rad' successfully parsed 2025-03-15 23:18:36 INFO phaseshift::::casa Shift phase center 2025-03-15 23:18:37 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:18:37 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:18:31.478780 End time: 2025-03-15 23:18:36.952996 2025-03-15 23:18:37 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:18:37 INFO phaseshift::::casa ########################################## 2025-03-15 23:18:37 INFO tclean::::casa ########################################## 2025-03-15 23:18:37 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:18:37 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:18:37 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:18:37 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:18:37 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:18:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:18:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:18:37 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:18:37 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:18:37 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:18:37 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:18:37 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:18:37 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:18:37 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:18:38 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:18:38 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.020807 2025-03-15 23:18:38 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:18:38 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:18:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:18:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:18:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:18:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:18:40 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:18:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:18:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:18:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:18:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:18:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:18:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:18:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:18:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:18:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:18:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:18:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:18:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:18:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:18:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:18:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:18:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:18:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:18:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:18:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:18:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:18:46 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:18:46 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:18:46 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:18:46 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:18:47 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:18:48 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:18:37.012109 End time: 2025-03-15 23:18:47.803107 2025-03-15 23:18:48 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:18:48 INFO tclean::::casa ########################################## 2025-03-15 23:18:48 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:18:48 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:18:48 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:18:48 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:18:48 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:18:48 2025****** 2025-03-15 23:18:48 INFO ImageFitter::fit+ 2025-03-15 23:18:48 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:18:48 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:18:48 INFO ImageFitter::fit+ --- region: 2025-03-15 23:18:48 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:18:48 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:18:48 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:18:48 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:18:48 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:18:48 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:18:48 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:18:48 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:18:48 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:18:48 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:18:48 INFO imstat::::casa ########################################## 2025-03-15 23:18:48 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:18:48 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:18:48 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:18:48 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:18:48 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:18:48 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:18:48 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:18:48 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:18:48 INFO imstat:::: Values --- 2025-03-15 23:18:48 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:18:48 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:18:48 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- minimum value [min]: -7.77849e-05 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:18:48 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:18:48 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:18:48 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:18:48 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:18:48 INFO imstat:::: Statistics --- 2025-03-15 23:18:48 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- IQR [quartile]: 3.56016e-05 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- First quartile [q1]: -3.45087e-05 Jy/beam 2025-03-15 23:18:48 INFO imstat:::: -- Third quartile [q3]: 1.0929e-06 Jy/beam 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:18:48 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778491e-05 4.999996e+00 2025-03-15 23:18:48 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:18:47.883899 End time: 2025-03-15 23:18:47.911577 2025-03-15 23:18:48 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:18:48 INFO imstat::::casa ########################################## 2025-03-15 23:18:48 INFO phaseshift::::casa ########################################## 2025-03-15 23:18:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:18:48 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg +006d21m09.7433' ) 2025-03-15 23:18:48 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:18:48 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:18:48 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:18:48 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:18:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:18:48 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:18:48 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:18:48 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:18:48 INFO MSTransformManager::open Select data 2025-03-15 23:18:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:18:50 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:18:50 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg +006d21m09.7433' successfully parsed 2025-03-15 23:18:50 INFO phaseshift::::casa Shift phase center 2025-03-15 23:18:51 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:18:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:18:47.928407 End time: 2025-03-15 23:18:51.213756 2025-03-15 23:18:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:18:51 INFO phaseshift::::casa ########################################## 2025-03-15 23:18:51 INFO tclean::::casa ########################################## 2025-03-15 23:18:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:18:51 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:18:51 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:18:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:18:51 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:18:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:18:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:18:51 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:18:51 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:18:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:18:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:18:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:18:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:18:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:18:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:18:53 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014624 2025-03-15 23:18:53 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:18:53 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:18:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:18:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:18:55 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:18:55 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:18:55 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:18:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:18:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:18:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:18:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:18:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:19:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:19:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:19:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:19:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:19:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:19:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:19:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:19:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:19:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:19:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:19:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:19:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:19:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:19:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:19:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:19:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:19:05 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:19:05 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:19:05 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:19:07 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:19:07 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:19:08 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:18:51.257237 End time: 2025-03-15 23:19:08.284601 2025-03-15 23:19:08 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:19:08 INFO tclean::::casa ########################################## 2025-03-15 23:19:08 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:19:08 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:08 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:19:08 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:19:08 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:19:08 2025****** 2025-03-15 23:19:08 INFO ImageFitter::fit+ 2025-03-15 23:19:08 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:19:08 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:19:08 INFO ImageFitter::fit+ --- region: 2025-03-15 23:19:08 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:19:08 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:19:08 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:19:08 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:19:08 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:19:08 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:19:08 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:08 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:19:08 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116867 Jy 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126483 Jy 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- dec: 127.999996 +/- 0.000097 pixels 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:19:08 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:19:08 INFO imstat::::casa ########################################## 2025-03-15 23:19:08 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:19:08 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:19:08 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:19:08 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:19:08 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:19:08 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:19:08 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:08 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:19:08 INFO imstat:::: Values --- 2025-03-15 23:19:08 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:19:08 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:19:08 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- minimum value [min]: -7.77768e-05 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:19:08 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:19:08 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:19:08 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:19:08 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:19:08 INFO imstat:::: Statistics --- 2025-03-15 23:19:08 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73609e-05 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- IQR [quartile]: 3.56013e-05 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- First quartile [q1]: -3.4507e-05 Jy/beam 2025-03-15 23:19:08 INFO imstat:::: -- Third quartile [q3]: 1.09435e-06 Jy/beam 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:19:08 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777678e-05 4.999996e+00 2025-03-15 23:19:08 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:19:08.360611 End time: 2025-03-15 23:19:08.387568 2025-03-15 23:19:08 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:19:08 INFO imstat::::casa ########################################## 2025-03-15 23:19:08 INFO phaseshift::::casa ########################################## 2025-03-15 23:19:08 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:19:08 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 00:25:24.6496' ) 2025-03-15 23:19:08 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:19:08 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:19:08 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:19:08 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:19:08 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:19:08 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:19:08 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:19:08 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:19:08 INFO MSTransformManager::open Select data 2025-03-15 23:19:08 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:19:13 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:19:13 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg 00:25:24.6496' successfully parsed 2025-03-15 23:19:13 INFO phaseshift::::casa Shift phase center 2025-03-15 23:19:14 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:19:14 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:19:08.404448 End time: 2025-03-15 23:19:14.453117 2025-03-15 23:19:14 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:19:14 INFO phaseshift::::casa ########################################## 2025-03-15 23:19:15 INFO tclean::::casa ########################################## 2025-03-15 23:19:15 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:19:15 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:19:15 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:19:15 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:19:15 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:19:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:19:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:19:15 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:19:15 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:19:15 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:19:15 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:19:15 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:19:15 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:19:15 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:19:16 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:19:16 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.025566 2025-03-15 23:19:16 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:19:16 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:19:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:19:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:19:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:19:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:19:17 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:19:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:19:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:19:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:19:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:19:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:19:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:19:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:19:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:19:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:19:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:19:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:19:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:19:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:19:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:19:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:19:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:19:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:19:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:19:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:19:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:19:22 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:19:22 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:19:22 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:19:23 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:19:23 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:19:25 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:19:14.507271 End time: 2025-03-15 23:19:24.975460 2025-03-15 23:19:25 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:19:25 INFO tclean::::casa ########################################## 2025-03-15 23:19:25 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:19:25 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:25 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:19:25 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:19:25 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:19:25 2025****** 2025-03-15 23:19:25 INFO ImageFitter::fit+ 2025-03-15 23:19:25 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:19:25 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:19:25 INFO ImageFitter::fit+ --- region: 2025-03-15 23:19:25 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:19:25 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:19:25 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:19:25 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:19:25 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:19:25 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:19:25 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:25 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:19:25 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116903 Jy 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126517 Jy 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:19:25 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:19:25 INFO imstat::::casa ########################################## 2025-03-15 23:19:25 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:19:25 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:19:25 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:19:25 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:19:25 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:19:25 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:19:25 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:25 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-03-15 23:19:25 INFO imstat:::: Values --- 2025-03-15 23:19:25 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:19:25 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:19:25 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- minimum value [min]: -7.78731e-05 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:19:25 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:19:25 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:19:25 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:19:25 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:19:25 INFO imstat:::: Statistics --- 2025-03-15 23:19:25 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- Median of the pixel values [median]: -1.86503e-05 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73798e-05 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- IQR [quartile]: 3.56966e-05 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- First quartile [q1]: -3.45352e-05 Jy/beam 2025-03-15 23:19:25 INFO imstat:::: -- Third quartile [q3]: 1.16146e-06 Jy/beam 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:19:25 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085647e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.787306e-05 4.999996e+00 2025-03-15 23:19:25 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:19:25.040350 End time: 2025-03-15 23:19:25.065760 2025-03-15 23:19:25 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:19:25 INFO imstat::::casa ########################################## 2025-03-15 23:19:25 INFO phaseshift::::casa ########################################## 2025-03-15 23:19:25 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:19:25 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 6.352706472deg' ) 2025-03-15 23:19:25 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:19:25 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:19:25 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:19:25 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:19:25 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:19:25 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:19:25 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:19:25 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:19:25 INFO MSTransformManager::open Select data 2025-03-15 23:19:25 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:19:29 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:19:29 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg 6.352706472deg' successfully parsed 2025-03-15 23:19:29 INFO phaseshift::::casa Shift phase center 2025-03-15 23:19:30 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:19:30 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:19:25.081169 End time: 2025-03-15 23:19:29.797059 2025-03-15 23:19:30 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:19:30 INFO phaseshift::::casa ########################################## 2025-03-15 23:19:30 INFO tclean::::casa ########################################## 2025-03-15 23:19:30 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:19:30 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:19:30 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:19:30 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:19:30 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:19:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:19:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:19:30 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:19:30 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:19:30 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:19:30 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:19:30 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:19:30 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:19:30 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:19:33 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:19:33 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.023851 2025-03-15 23:19:33 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:19:34 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:19:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:19:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:19:36 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:19:36 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:19:36 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:19:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:19:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:19:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:19:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:19:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:19:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:19:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:19:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:19:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:19:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:19:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:19:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:19:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:19:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:19:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:19:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:19:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:19:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:19:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:19:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:19:43 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:19:43 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:19:43 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:19:43 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:19:43 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:19:44 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:19:29.856343 End time: 2025-03-15 23:19:43.707962 2025-03-15 23:19:44 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:19:44 INFO tclean::::casa ########################################## 2025-03-15 23:19:44 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:19:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:44 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:19:44 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:19:44 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:19:44 2025****** 2025-03-15 23:19:44 INFO ImageFitter::fit+ 2025-03-15 23:19:44 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:19:44 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:19:44 INFO ImageFitter::fit+ --- region: 2025-03-15 23:19:44 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:19:44 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:19:44 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:19:44 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:19:44 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:19:44 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:19:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:44 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:19:44 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011687 Jy 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- dec: 127.999996 +/- 0.000097 pixels 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:19:44 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:19:44 INFO imstat::::casa ########################################## 2025-03-15 23:19:44 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:19:44 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:19:44 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:19:44 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:19:44 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:19:44 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:19:44 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:44 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:19:44 INFO imstat:::: Values --- 2025-03-15 23:19:44 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:19:44 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:19:44 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- minimum value [min]: -7.77771e-05 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:19:44 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:19:44 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:19:44 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:19:44 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:19:44 INFO imstat:::: Statistics --- 2025-03-15 23:19:44 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- Median of the pixel values [median]: -1.86715e-05 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73619e-05 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- IQR [quartile]: 3.56021e-05 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- First quartile [q1]: -3.45061e-05 Jy/beam 2025-03-15 23:19:44 INFO imstat:::: -- Third quartile [q3]: 1.09605e-06 Jy/beam 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:19:44 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777705e-05 4.999996e+00 2025-03-15 23:19:44 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:19:43.782459 End time: 2025-03-15 23:19:43.808498 2025-03-15 23:19:44 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:19:44 INFO imstat::::casa ########################################## 2025-03-15 23:19:44 INFO phaseshift::::casa ########################################## 2025-03-15 23:19:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:19:44 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 0.110875644rad' ) 2025-03-15 23:19:44 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:19:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:19:44 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:19:44 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:19:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:19:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:19:44 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:19:44 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:19:44 INFO MSTransformManager::open Select data 2025-03-15 23:19:44 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:19:46 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:19:46 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg 0.110875644rad' successfully parsed 2025-03-15 23:19:46 INFO phaseshift::::casa Shift phase center 2025-03-15 23:19:47 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:19:47 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:19:43.824814 End time: 2025-03-15 23:19:47.122071 2025-03-15 23:19:47 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:19:47 INFO phaseshift::::casa ########################################## 2025-03-15 23:19:47 INFO tclean::::casa ########################################## 2025-03-15 23:19:47 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:19:47 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:19:47 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:19:47 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:19:47 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:19:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:19:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:19:47 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:19:47 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:19:47 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:19:47 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:19:47 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:19:47 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:19:47 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:19:48 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:19:48 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.023428 2025-03-15 23:19:48 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:19:48 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:19:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:19:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:19:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:19:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:19:50 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:19:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:19:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:19:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:19:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:19:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:19:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:19:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:19:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:19:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:19:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:19:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:19:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:19:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:19:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:19:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:19:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:19:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:19:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:19:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:19:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:19:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:19:55 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:19:55 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:19:55 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:19:56 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:19:56 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:19:58 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:19:47.181451 End time: 2025-03-15 23:19:57.969664 2025-03-15 23:19:58 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:19:58 INFO tclean::::casa ########################################## 2025-03-15 23:19:58 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:19:58 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:58 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:19:58 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:19:58 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:19:58 2025****** 2025-03-15 23:19:58 INFO ImageFitter::fit+ 2025-03-15 23:19:58 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:19:58 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:19:58 INFO ImageFitter::fit+ --- region: 2025-03-15 23:19:58 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:19:58 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:19:58 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:19:58 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:19:58 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:19:58 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:19:58 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:58 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:19:58 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126482 Jy 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:19:58 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:19:58 INFO imstat::::casa ########################################## 2025-03-15 23:19:58 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:19:58 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:19:58 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:19:58 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:19:58 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:19:58 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:19:58 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:19:58 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:19:58 INFO imstat:::: Values --- 2025-03-15 23:19:58 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:19:58 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:19:58 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- minimum value [min]: -7.77855e-05 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:19:58 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:19:58 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:19:58 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:19:58 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:19:58 INFO imstat:::: Statistics --- 2025-03-15 23:19:58 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- Median of the pixel values [median]: -1.86732e-05 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73562e-05 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- IQR [quartile]: 3.56008e-05 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- First quartile [q1]: -3.45107e-05 Jy/beam 2025-03-15 23:19:58 INFO imstat:::: -- Third quartile [q3]: 1.09015e-06 Jy/beam 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:19:58 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778549e-05 4.999996e+00 2025-03-15 23:19:58 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:19:58.055302 End time: 2025-03-15 23:19:58.084545 2025-03-15 23:19:58 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:19:58 INFO imstat::::casa ########################################## 2025-03-15 23:19:58 INFO phaseshift::::casa ########################################## 2025-03-15 23:19:58 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:19:58 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad +006d21m09.7433' ) 2025-03-15 23:19:58 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:19:58 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:19:58 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:19:58 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:19:58 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:19:58 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:19:58 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:19:58 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:19:58 INFO MSTransformManager::open Select data 2025-03-15 23:19:58 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:20:01 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:20:01 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad +006d21m09.7433' successfully parsed 2025-03-15 23:20:01 INFO phaseshift::::casa Shift phase center 2025-03-15 23:20:02 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:20:02 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:19:58.102157 End time: 2025-03-15 23:20:01.986102 2025-03-15 23:20:02 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:20:02 INFO phaseshift::::casa ########################################## 2025-03-15 23:20:02 INFO tclean::::casa ########################################## 2025-03-15 23:20:02 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:20:02 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:20:02 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:20:02 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:20:02 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:20:02 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:20:02 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:20:02 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:20:02 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:20:02 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:20:02 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:20:02 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:20:02 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:20:02 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:20:03 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:20:03 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019823 2025-03-15 23:20:03 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:20:03 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:20:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:20:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:20:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:20:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:20:08 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:20:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:20:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:20:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:20:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:20:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:20:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:20:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:20:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:20:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:20:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:20:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:20:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:20:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:20:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:20:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:20:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:20:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:20:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:20:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:20:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:20:13 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:20:13 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:20:13 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:20:14 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:20:14 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:20:16 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:20:02.044679 End time: 2025-03-15 23:20:16.478931 2025-03-15 23:20:16 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:20:16 INFO tclean::::casa ########################################## 2025-03-15 23:20:17 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:20:17 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:20:17 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:20:17 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:20:17 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:20:17 2025****** 2025-03-15 23:20:17 INFO ImageFitter::fit+ 2025-03-15 23:20:17 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:20:17 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:20:17 INFO ImageFitter::fit+ --- region: 2025-03-15 23:20:17 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:20:17 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:20:17 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:20:17 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:20:17 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:20:17 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:20:17 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:20:17 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:20:17 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000006 +/- 0.000777 arcsec 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- ra: 128.000007 +/- 0.000127 pixels 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- dec: 127.999994 +/- 0.000097 pixels 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:20:17 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:20:17 INFO imstat::::casa ########################################## 2025-03-15 23:20:17 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:20:17 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:20:17 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:20:17 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:20:17 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:20:17 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:20:17 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:20:17 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:20:17 INFO imstat:::: Values --- 2025-03-15 23:20:17 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:20:17 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:20:17 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:20:17 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:20:17 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:20:17 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:20:17 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:20:17 INFO imstat:::: Statistics --- 2025-03-15 23:20:17 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- Median of the pixel values [median]: -1.86669e-05 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73635e-05 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- IQR [quartile]: 3.56081e-05 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- First quartile [q1]: -3.45085e-05 Jy/beam 2025-03-15 23:20:17 INFO imstat:::: -- Third quartile [q3]: 1.09959e-06 Jy/beam 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:20:17 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778013e-05 4.999996e+00 2025-03-15 23:20:17 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:20:16.562383 End time: 2025-03-15 23:20:16.604677 2025-03-15 23:20:17 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:20:17 INFO imstat::::casa ########################################## 2025-03-15 23:20:17 INFO phaseshift::::casa ########################################## 2025-03-15 23:20:17 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:20:17 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 00:25:24.6496' ) 2025-03-15 23:20:17 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:20:17 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:20:17 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:20:17 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:20:17 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:20:17 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:20:17 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:20:17 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:20:17 INFO MSTransformManager::open Select data 2025-03-15 23:20:17 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:20:22 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:20:22 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad 00:25:24.6496' successfully parsed 2025-03-15 23:20:22 INFO phaseshift::::casa Shift phase center 2025-03-15 23:20:23 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:20:23 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:20:16.620589 End time: 2025-03-15 23:20:23.052660 2025-03-15 23:20:23 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:20:23 INFO phaseshift::::casa ########################################## 2025-03-15 23:20:23 INFO tclean::::casa ########################################## 2025-03-15 23:20:23 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:20:23 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:20:23 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:20:23 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:20:23 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:20:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:20:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:20:23 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:20:23 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:20:23 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:20:23 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:20:23 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:20:23 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:20:23 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:20:24 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:20:24 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014001 2025-03-15 23:20:24 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:20:24 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:20:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:20:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:20:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:20:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:20:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:20:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:20:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:20:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:20:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:20:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:20:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:20:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:20:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:20:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:20:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:20:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:20:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:20:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:20:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:20:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:20:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:20:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:20:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:20:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:20:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:20:31 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:20:31 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:20:31 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:20:31 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:20:32 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:20:33 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:20:23.107442 End time: 2025-03-15 23:20:33.199338 2025-03-15 23:20:33 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:20:33 INFO tclean::::casa ########################################## 2025-03-15 23:20:33 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:20:33 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:20:33 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:20:33 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:20:33 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:20:33 2025****** 2025-03-15 23:20:33 INFO ImageFitter::fit+ 2025-03-15 23:20:33 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:20:33 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:20:33 INFO ImageFitter::fit+ --- region: 2025-03-15 23:20:33 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:20:33 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:20:33 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:20:33 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:20:33 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:20:33 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:20:33 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:20:33 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:20:33 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116905 Jy 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000041 +/- 0.000777 arcsec 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- ra: 127.999941 +/- 0.000127 pixels 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- dec: 127.999954 +/- 0.000097 pixels 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:20:33 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:20:33 INFO imstat::::casa ########################################## 2025-03-15 23:20:33 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:20:33 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:20:33 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:20:33 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:20:33 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:20:33 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:20:33 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:20:33 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-03-15 23:20:33 INFO imstat:::: Values --- 2025-03-15 23:20:33 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:20:33 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:20:33 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- minimum value [min]: -7.78774e-05 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:20:33 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:20:33 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:20:33 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:20:33 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:20:33 INFO imstat:::: Statistics --- 2025-03-15 23:20:33 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- Median of the pixel values [median]: -1.86532e-05 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73779e-05 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- IQR [quartile]: 3.5701e-05 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- First quartile [q1]: -3.45356e-05 Jy/beam 2025-03-15 23:20:33 INFO imstat:::: -- Third quartile [q3]: 1.16544e-06 Jy/beam 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:20:33 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085647e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.787745e-05 4.999996e+00 2025-03-15 23:20:33 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:20:33.242541 End time: 2025-03-15 23:20:33.260826 2025-03-15 23:20:33 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:20:33 INFO imstat::::casa ########################################## 2025-03-15 23:20:33 INFO phaseshift::::casa ########################################## 2025-03-15 23:20:33 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:20:33 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 6.352706472deg' ) 2025-03-15 23:20:33 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:20:33 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:20:33 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:20:33 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:20:33 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:20:33 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:20:33 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:20:33 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:20:33 INFO MSTransformManager::open Select data 2025-03-15 23:20:33 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:20:36 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:20:36 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad 6.352706472deg' successfully parsed 2025-03-15 23:20:36 INFO phaseshift::::casa Shift phase center 2025-03-15 23:20:37 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:20:37 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:20:33.273797 End time: 2025-03-15 23:20:36.828751 2025-03-15 23:20:37 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:20:37 INFO phaseshift::::casa ########################################## 2025-03-15 23:20:37 INFO tclean::::casa ########################################## 2025-03-15 23:20:37 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:20:37 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:20:37 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:20:37 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:20:37 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:20:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:20:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:20:37 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:20:37 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:20:37 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:20:37 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:20:37 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:20:37 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:20:37 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:20:40 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:20:40 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.021943 2025-03-15 23:20:40 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:20:40 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:20:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:20:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:20:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:20:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:20:43 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:20:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:20:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:20:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:20:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:20:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:20:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:20:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:20:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:20:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:20:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:20:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:20:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:20:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:20:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:20:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:20:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:20:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:20:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:20:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:20:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:20:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:20:47 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:20:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:20:48 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:20:49 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:20:50 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:20:36.871372 End time: 2025-03-15 23:20:49.592739 2025-03-15 23:20:50 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:20:50 INFO tclean::::casa ########################################## 2025-03-15 23:20:50 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:20:50 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:20:50 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:20:50 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:20:50 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:20:50 2025****** 2025-03-15 23:20:50 INFO ImageFitter::fit+ 2025-03-15 23:20:50 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:20:50 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:20:50 INFO ImageFitter::fit+ --- region: 2025-03-15 23:20:50 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:20:50 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:20:50 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:20:50 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:20:50 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:20:50 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:20:50 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:20:50 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:20:50 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000006 +/- 0.000777 arcsec 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- ra: 128.000007 +/- 0.000127 pixels 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- dec: 127.999994 +/- 0.000097 pixels 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:20:50 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:20:50 INFO imstat::::casa ########################################## 2025-03-15 23:20:50 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:20:50 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:20:50 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:20:50 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:20:50 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:20:50 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:20:50 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:20:50 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:20:50 INFO imstat:::: Values --- 2025-03-15 23:20:50 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:20:50 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:20:50 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- minimum value [min]: -7.77798e-05 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:20:50 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:20:50 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:20:50 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:20:50 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:20:50 INFO imstat:::: Statistics --- 2025-03-15 23:20:50 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- Median of the pixel values [median]: -1.86675e-05 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73645e-05 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- IQR [quartile]: 3.56077e-05 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- First quartile [q1]: -3.45073e-05 Jy/beam 2025-03-15 23:20:50 INFO imstat:::: -- Third quartile [q3]: 1.1004e-06 Jy/beam 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:20:50 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777975e-05 4.999996e+00 2025-03-15 23:20:50 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:20:49.666810 End time: 2025-03-15 23:20:49.699060 2025-03-15 23:20:50 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:20:50 INFO imstat::::casa ########################################## 2025-03-15 23:20:50 INFO phaseshift::::casa ########################################## 2025-03-15 23:20:50 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:20:50 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 0.110875644rad' ) 2025-03-15 23:20:50 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:20:50 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:20:50 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:20:50 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:20:50 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:20:50 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:20:50 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:20:50 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:20:50 INFO MSTransformManager::open Select data 2025-03-15 23:20:50 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:20:54 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:20:54 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad 0.110875644rad' successfully parsed 2025-03-15 23:20:54 INFO phaseshift::::casa Shift phase center 2025-03-15 23:20:55 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:20:55 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:20:49.715106 End time: 2025-03-15 23:20:55.026434 2025-03-15 23:20:55 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:20:55 INFO phaseshift::::casa ########################################## 2025-03-15 23:20:55 INFO tclean::::casa ########################################## 2025-03-15 23:20:55 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:20:55 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:20:55 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:20:55 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:20:55 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:20:55 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:20:55 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:20:55 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:20:55 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:20:55 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:20:55 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:20:55 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:20:55 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:20:55 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:20:57 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:20:57 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029477 2025-03-15 23:20:57 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:20:57 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:20:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:20:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:20:59 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:20:59 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:20:59 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:20:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:20:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:21:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:21:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:21:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:21:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:21:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:21:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:21:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:21:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:21:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:21:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:21:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:21:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:21:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:21:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:21:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:21:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:21:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:21:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:21:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:21:05 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:21:05 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:21:05 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:21:06 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:21:07 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:21:08 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:20:55.084905 End time: 2025-03-15 23:21:07.725171 2025-03-15 23:21:08 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:21:08 INFO tclean::::casa ########################################## 2025-03-15 23:21:08 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:21:08 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:21:08 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:21:08 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:21:08 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:21:08 2025****** 2025-03-15 23:21:08 INFO ImageFitter::fit+ 2025-03-15 23:21:08 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:21:08 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:21:08 INFO ImageFitter::fit+ --- region: 2025-03-15 23:21:08 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:21:08 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:21:08 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:21:08 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:21:08 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:21:08 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:21:08 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:21:08 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:21:08 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000002 +/- 0.000777 arcsec 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- ra: 128.000014 +/- 0.000127 pixels 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- dec: 127.999998 +/- 0.000097 pixels 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:21:08 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:21:08 INFO imstat::::casa ########################################## 2025-03-15 23:21:08 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:21:08 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:21:08 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:21:08 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:21:08 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:21:08 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:21:08 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:21:08 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:21:08 INFO imstat:::: Values --- 2025-03-15 23:21:08 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:21:08 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:21:08 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- minimum value [min]: -7.77816e-05 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:21:08 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:21:08 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:21:08 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:21:08 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:21:08 INFO imstat:::: Statistics --- 2025-03-15 23:21:08 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- Median of the pixel values [median]: -1.8676e-05 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73584e-05 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- IQR [quartile]: 3.56038e-05 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- First quartile [q1]: -3.45104e-05 Jy/beam 2025-03-15 23:21:08 INFO imstat:::: -- Third quartile [q3]: 1.09331e-06 Jy/beam 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:21:08 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778164e-05 4.999996e+00 2025-03-15 23:21:08 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:21:07.815820 End time: 2025-03-15 23:21:07.846219 2025-03-15 23:21:08 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:21:08 INFO imstat::::casa ########################################## 2025-03-15 23:21:08 INFO phaseshift::::casa ########################################## 2025-03-15 23:21:08 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:21:08 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39d58m05.8512' ) 2025-03-15 23:21:08 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:21:08 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:21:08 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:21:08 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:21:08 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:21:08 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:21:08 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:21:08 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:21:08 INFO MSTransformManager::open Select data 2025-03-15 23:21:08 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:21:10 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:21:10 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 39d58m05.8512' successfully parsed 2025-03-15 23:21:10 INFO phaseshift::::casa Shift phase center 2025-03-15 23:21:12 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:21:12 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:21:07.864943 End time: 2025-03-15 23:21:11.779472 2025-03-15 23:21:12 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:21:12 INFO phaseshift::::casa ########################################## 2025-03-15 23:21:12 INFO tclean::::casa ########################################## 2025-03-15 23:21:12 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:21:12 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 ) 2025-03-15 23:21:12 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:21:12 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:21:12 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:21:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:21:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:21:12 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:21:12 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:21:12 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:21:12 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:21:12 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:21:12 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:21:12 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:21:13 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:21:13 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.032184 2025-03-15 23:21:13 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:21:13 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:21:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:21:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:21:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:21:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:21:15 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:21:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:21:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:21:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:21:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:21:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:21:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:21:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:21:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:21:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:21:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:21:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:21:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:21:20 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:21:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:21:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:21:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:21:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:21:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:21:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:21:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:21:22 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:21:22 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:21:22 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:21:23 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:21:23 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:21:24 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:21:11.836005 End time: 2025-03-15 23:21:24.267416 2025-03-15 23:21:24 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:21:24 INFO tclean::::casa ########################################## 2025-03-15 23:21:24 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:21:24 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:21:24 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:21:24 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:21:24 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:21:24 2025****** 2025-03-15 23:21:24 INFO ImageFitter::fit+ 2025-03-15 23:21:24 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:21:24 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:21:24 INFO ImageFitter::fit+ --- region: 2025-03-15 23:21:24 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:21:24 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:21:24 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:21:24 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:21:24 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:21:24 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:21:24 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:21:24 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:21:24 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:21:24 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:21:24 INFO imstat::::casa ########################################## 2025-03-15 23:21:24 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:21:24 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:21:24 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:21:24 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:21:24 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:21:24 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:21:24 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:21:24 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:21:24 INFO imstat:::: Values --- 2025-03-15 23:21:24 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:21:24 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:21:24 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:21:24 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:21:24 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:21:24 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:21:24 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:21:24 INFO imstat:::: Statistics --- 2025-03-15 23:21:24 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-03-15 23:21:24 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:21:24 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778264e-05 4.999996e+00 2025-03-15 23:21:24 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:21:24.340318 End time: 2025-03-15 23:21:24.366971 2025-03-15 23:21:24 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:21:24 INFO imstat::::casa ########################################## 2025-03-15 23:21:24 INFO phaseshift::::casa ########################################## 2025-03-15 23:21:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:21:24 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 02:39:52.3901' ) 2025-03-15 23:21:24 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:21:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:21:24 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:21:24 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:21:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:21:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:21:24 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:21:24 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:21:24 INFO MSTransformManager::open Select data 2025-03-15 23:21:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:21:27 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:21:27 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 02:39:52.3901' successfully parsed 2025-03-15 23:21:27 INFO phaseshift::::casa Shift phase center 2025-03-15 23:21:28 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:21:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:21:24.383481 End time: 2025-03-15 23:21:28.055639 2025-03-15 23:21:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:21:28 INFO phaseshift::::casa ########################################## 2025-03-15 23:21:28 INFO tclean::::casa ########################################## 2025-03-15 23:21:28 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:21:28 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:21:28 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:21:28 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:21:28 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:21:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:21:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:21:28 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:21:28 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:21:28 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:21:28 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:21:28 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:21:28 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:21:28 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:21:29 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:21:29 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016139 2025-03-15 23:21:29 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:21:29 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:21:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:21:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:21:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:21:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:21:32 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:21:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:21:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:21:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:21:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:21:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:21:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:21:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:21:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:21:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:21:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:21:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:21:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:21:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:21:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:21:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:21:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:21:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:21:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:21:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:21:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:21:38 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:21:38 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:21:38 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:21:38 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:21:39 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:21:40 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:21:28.111563 End time: 2025-03-15 23:21:39.893243 2025-03-15 23:21:40 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:21:40 INFO tclean::::casa ########################################## 2025-03-15 23:21:40 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:21:40 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:21:40 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:21:40 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:21:40 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:21:40 2025****** 2025-03-15 23:21:40 INFO ImageFitter::fit+ 2025-03-15 23:21:40 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:21:40 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:21:40 INFO ImageFitter::fit+ --- region: 2025-03-15 23:21:40 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:21:40 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:21:40 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:21:40 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:21:40 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:21:40 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:21:40 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:21:40 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:21:40 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011688 Jy 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:21:40 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:21:40 INFO imstat::::casa ########################################## 2025-03-15 23:21:40 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:21:40 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:21:40 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:21:40 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:21:40 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:21:40 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:21:40 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:21:40 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-03-15 23:21:40 INFO imstat:::: Values --- 2025-03-15 23:21:40 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:21:40 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:21:40 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- minimum value [min]: -7.78225e-05 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:21:40 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:21:40 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:21:40 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:21:40 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:21:40 INFO imstat:::: Statistics --- 2025-03-15 23:21:40 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- Median of the pixel values [median]: -1.86781e-05 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- IQR [quartile]: 3.56365e-05 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- First quartile [q1]: -3.45278e-05 Jy/beam 2025-03-15 23:21:40 INFO imstat:::: -- Third quartile [q3]: 1.10869e-06 Jy/beam 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:21:40 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085647e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.782251e-05 4.999996e+00 2025-03-15 23:21:40 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:21:39.972924 End time: 2025-03-15 23:21:40.000446 2025-03-15 23:21:40 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:21:40 INFO imstat::::casa ########################################## 2025-03-15 23:21:40 INFO phaseshift::::casa ########################################## 2025-03-15 23:21:40 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:21:40 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 19h52m05.65239 39.968292000deg' ) 2025-03-15 23:21:40 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:21:40 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:21:40 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:21:40 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:21:40 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:21:40 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:21:40 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:21:40 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:21:40 INFO MSTransformManager::open Select data 2025-03-15 23:21:40 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:21:43 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:21:43 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 39.968292000deg' successfully parsed 2025-03-15 23:21:43 INFO phaseshift::::casa Shift phase center 2025-03-15 23:21:45 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:21:45 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:21:40.017661 End time: 2025-03-15 23:21:45.324315 2025-03-15 23:21:45 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:21:45 INFO phaseshift::::casa ########################################## 2025-03-15 23:21:45 INFO tclean::::casa ########################################## 2025-03-15 23:21:45 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:21:45 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:21:45 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:21:45 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:21:45 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:21:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:21:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:21:46 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:21:46 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:21:46 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:21:46 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:21:46 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:21:46 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:21:46 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:21:47 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:21:47 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029488 2025-03-15 23:21:47 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:21:47 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:21:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:21:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:21:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:21:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:21:50 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:21:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:21:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:21:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:21:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:21:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:21:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:21:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:21:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:21:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:21:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:21:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:21:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:21:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:21:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:21:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:21:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:21:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:21:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:21:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:21:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:21:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:21:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:21:59 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:21:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:22:01 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:22:01 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:22:03 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:21:45.379923 End time: 2025-03-15 23:22:03.201453 2025-03-15 23:22:03 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:22:03 INFO tclean::::casa ########################################## 2025-03-15 23:22:03 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:22:03 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:22:03 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:22:03 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:22:03 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:22:03 2025****** 2025-03-15 23:22:03 INFO ImageFitter::fit+ 2025-03-15 23:22:03 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:22:03 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:22:03 INFO ImageFitter::fit+ --- region: 2025-03-15 23:22:03 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:22:03 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:22:03 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:22:03 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:22:03 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:22:03 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:22:03 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:22:03 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:22:03 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:22:03 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:22:03 INFO imstat::::casa ########################################## 2025-03-15 23:22:03 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:22:03 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:22:03 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:22:03 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:22:03 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:22:03 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:22:03 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:22:03 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:22:03 INFO imstat:::: Values --- 2025-03-15 23:22:03 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:22:03 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:22:03 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:22:03 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:22:03 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:22:03 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:22:03 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:22:03 INFO imstat:::: Statistics --- 2025-03-15 23:22:03 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-03-15 23:22:03 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:22:03 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778264e-05 4.999996e+00 2025-03-15 23:22:03 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:22:03.282220 End time: 2025-03-15 23:22:03.310413 2025-03-15 23:22:03 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:22:03 INFO imstat::::casa ########################################## 2025-03-15 23:22:03 INFO phaseshift::::casa ########################################## 2025-03-15 23:22:03 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:22:03 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 0.697578292rad' ) 2025-03-15 23:22:03 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:22:03 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:22:03 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:22:03 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:22:03 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:22:03 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:22:03 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:22:03 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:22:03 INFO MSTransformManager::open Select data 2025-03-15 23:22:03 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:22:10 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:22:10 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 0.697578292rad' successfully parsed 2025-03-15 23:22:10 INFO phaseshift::::casa Shift phase center 2025-03-15 23:22:11 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:22:12 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:22:03.327577 End time: 2025-03-15 23:22:11.607840 2025-03-15 23:22:12 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:22:12 INFO phaseshift::::casa ########################################## 2025-03-15 23:22:12 INFO tclean::::casa ########################################## 2025-03-15 23:22:12 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:22:12 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 ) 2025-03-15 23:22:12 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:22:12 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:22:12 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:22:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:22:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:22:12 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:22:12 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:22:12 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:22:12 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:22:12 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:22:12 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:22:12 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:22:14 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:22:14 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.023955 2025-03-15 23:22:14 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:22:14 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:22:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:22:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:22:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:22:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:22:19 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:22:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:22:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:22:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:22:20 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:22:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:22:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:22:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:22:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:22:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:22:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:22:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:22:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:22:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:22:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:22:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:22:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:22:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:22:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:22:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:22:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:22:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:22:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:22:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:22:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:22:27 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:22:27 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:22:27 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:22:28 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:22:28 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:22:30 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:22:11.667009 End time: 2025-03-15 23:22:30.326910 2025-03-15 23:22:30 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:22:30 INFO tclean::::casa ########################################## 2025-03-15 23:22:30 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:22:30 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:22:30 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:22:30 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:22:30 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:22:30 2025****** 2025-03-15 23:22:30 INFO ImageFitter::fit+ 2025-03-15 23:22:30 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:22:30 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:22:30 INFO ImageFitter::fit+ --- region: 2025-03-15 23:22:30 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:22:30 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:22:30 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:22:30 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:22:30 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:22:30 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:22:30 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:22:30 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:22:30 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:22:30 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:22:30 INFO imstat::::casa ########################################## 2025-03-15 23:22:30 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:22:30 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:22:30 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:22:30 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:22:30 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:22:30 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:22:30 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:22:30 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:22:30 INFO imstat:::: Values --- 2025-03-15 23:22:30 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:22:30 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:22:30 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- minimum value [min]: -7.7789e-05 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:22:30 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:22:30 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:22:30 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:22:30 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:22:30 INFO imstat:::: Statistics --- 2025-03-15 23:22:30 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- Median of the pixel values [median]: -1.86647e-05 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- IQR [quartile]: 3.56182e-05 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- First quartile [q1]: -3.45079e-05 Jy/beam 2025-03-15 23:22:30 INFO imstat:::: -- Third quartile [q3]: 1.11022e-06 Jy/beam 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:22:30 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778897e-05 4.999996e+00 2025-03-15 23:22:30 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:22:30.407348 End time: 2025-03-15 23:22:30.435170 2025-03-15 23:22:30 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:22:30 INFO imstat::::casa ########################################## 2025-03-15 23:22:30 INFO phaseshift::::casa ########################################## 2025-03-15 23:22:30 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:22:30 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 19:52:05.6524 39d58m05.8512' ) 2025-03-15 23:22:30 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:22:30 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:22:30 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:22:30 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:22:30 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:22:30 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:22:30 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:22:30 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:22:30 INFO MSTransformManager::open Select data 2025-03-15 23:22:30 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:22:33 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:22:33 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 39d58m05.8512' successfully parsed 2025-03-15 23:22:33 INFO phaseshift::::casa Shift phase center 2025-03-15 23:22:34 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:22:34 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:22:30.452138 End time: 2025-03-15 23:22:34.038458 2025-03-15 23:22:34 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:22:34 INFO phaseshift::::casa ########################################## 2025-03-15 23:22:34 INFO tclean::::casa ########################################## 2025-03-15 23:22:34 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:22:34 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:22:34 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:22:34 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:22:34 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:22:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:22:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:22:34 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:22:34 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:22:34 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:22:34 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:22:34 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:22:34 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:22:34 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:22:36 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:22:36 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.030037 2025-03-15 23:22:36 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:22:36 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:22:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:22:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:22:38 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:22:38 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:22:38 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:22:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:22:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:22:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:22:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:22:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:22:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:22:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:22:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:22:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:22:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:22:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:22:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:22:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:22:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:22:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:22:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:22:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:22:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:22:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:22:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:22:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:22:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:22:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:22:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:22:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:22:47 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:22:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:22:48 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:22:48 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:22:53 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:22:34.097498 End time: 2025-03-15 23:22:52.860719 2025-03-15 23:22:53 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:22:53 INFO tclean::::casa ########################################## 2025-03-15 23:22:53 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:22:53 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:22:53 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:22:53 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:22:53 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:22:53 2025****** 2025-03-15 23:22:53 INFO ImageFitter::fit+ 2025-03-15 23:22:53 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:22:53 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:22:53 INFO ImageFitter::fit+ --- region: 2025-03-15 23:22:53 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:22:53 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:22:53 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:22:53 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:22:53 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:22:53 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:22:53 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:22:53 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:22:53 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:22:53 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:22:53 INFO imstat::::casa ########################################## 2025-03-15 23:22:53 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:22:53 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:22:53 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:22:53 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:22:53 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:22:53 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:22:53 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:22:53 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:22:53 INFO imstat:::: Values --- 2025-03-15 23:22:53 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:22:53 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:22:53 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- minimum value [min]: -7.77773e-05 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:22:53 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:22:53 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:22:53 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:22:53 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:22:53 INFO imstat:::: Statistics --- 2025-03-15 23:22:53 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- Median of the pixel values [median]: -1.86786e-05 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- IQR [quartile]: 3.56014e-05 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- First quartile [q1]: -3.45038e-05 Jy/beam 2025-03-15 23:22:53 INFO imstat:::: -- Third quartile [q3]: 1.09758e-06 Jy/beam 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:22:53 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777732e-05 4.999996e+00 2025-03-15 23:22:53 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:22:52.941097 End time: 2025-03-15 23:22:52.976421 2025-03-15 23:22:53 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:22:53 INFO imstat::::casa ########################################## 2025-03-15 23:22:53 INFO phaseshift::::casa ########################################## 2025-03-15 23:22:53 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:22:53 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 02:39:52.3901' ) 2025-03-15 23:22:53 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:22:53 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:22:53 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:22:53 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:22:53 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:22:53 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:22:53 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:22:53 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:22:53 INFO MSTransformManager::open Select data 2025-03-15 23:22:53 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:22:59 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:22:59 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 02:39:52.3901' successfully parsed 2025-03-15 23:22:59 INFO phaseshift::::casa Shift phase center 2025-03-15 23:23:00 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:23:00 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:22:52.996022 End time: 2025-03-15 23:22:59.971816 2025-03-15 23:23:00 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:23:00 INFO phaseshift::::casa ########################################## 2025-03-15 23:23:00 INFO tclean::::casa ########################################## 2025-03-15 23:23:00 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:23:00 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:23:00 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:23:00 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:23:00 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:23:00 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:23:00 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:23:00 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:23:00 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:23:00 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:23:00 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:23:00 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:23:00 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:23:00 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:23:01 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:23:01 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011956 2025-03-15 23:23:01 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:23:01 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:23:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:23:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:23:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:23:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:23:04 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:23:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:23:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:23:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:23:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:23:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:23:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:23:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:23:07 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:23:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:23:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:23:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:23:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:23:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:23:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:23:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:23:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:23:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:23:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:23:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:23:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:23:12 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:23:12 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:23:12 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:23:13 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:23:13 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:23:14 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:23:00.027836 End time: 2025-03-15 23:23:14.289917 2025-03-15 23:23:14 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:23:14 INFO tclean::::casa ########################################## 2025-03-15 23:23:14 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:23:14 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:23:14 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:23:14 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:23:14 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:23:14 2025****** 2025-03-15 23:23:14 INFO ImageFitter::fit+ 2025-03-15 23:23:14 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:23:14 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:23:14 INFO ImageFitter::fit+ --- region: 2025-03-15 23:23:14 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:23:14 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:23:14 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:23:14 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:23:14 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:23:14 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:23:14 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:23:14 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:23:14 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116878 Jy 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126494 Jy 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- ra: 128.000008 +/- 0.000127 pixels 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:23:14 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:23:14 INFO imstat::::casa ########################################## 2025-03-15 23:23:14 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:23:14 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:23:14 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:23:14 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:23:14 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:23:14 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:23:14 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:23:14 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-03-15 23:23:14 INFO imstat:::: Values --- 2025-03-15 23:23:14 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:23:14 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:23:14 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- minimum value [min]: -7.78143e-05 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:23:14 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:23:14 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:23:14 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:23:14 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:23:14 INFO imstat:::: Statistics --- 2025-03-15 23:23:14 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- Median of the pixel values [median]: -1.86838e-05 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73769e-05 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- IQR [quartile]: 3.5634e-05 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- First quartile [q1]: -3.45216e-05 Jy/beam 2025-03-15 23:23:14 INFO imstat:::: -- Third quartile [q3]: 1.1124e-06 Jy/beam 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:23:14 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.781426e-05 4.999996e+00 2025-03-15 23:23:14 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:23:14.372169 End time: 2025-03-15 23:23:14.400450 2025-03-15 23:23:14 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:23:14 INFO imstat::::casa ########################################## 2025-03-15 23:23:14 INFO phaseshift::::casa ########################################## 2025-03-15 23:23:14 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:23:14 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39.968292000deg' ) 2025-03-15 23:23:14 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:23:14 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:23:14 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:23:14 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:23:14 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:23:14 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:23:14 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:23:14 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:23:14 INFO MSTransformManager::open Select data 2025-03-15 23:23:14 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:23:18 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:23:18 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 39.968292000deg' successfully parsed 2025-03-15 23:23:18 INFO phaseshift::::casa Shift phase center 2025-03-15 23:23:19 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:23:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:23:14.417981 End time: 2025-03-15 23:23:19.609214 2025-03-15 23:23:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:23:20 INFO phaseshift::::casa ########################################## 2025-03-15 23:23:20 INFO tclean::::casa ########################################## 2025-03-15 23:23:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:23:20 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:23:20 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:23:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:23:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:23:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:23:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:23:20 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:23:20 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:23:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:23:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:23:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:23:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:23:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:23:23 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:23:23 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028509 2025-03-15 23:23:23 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:23:23 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:23:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:23:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:23:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:23:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:23:29 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:23:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:23:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:23:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:23:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:23:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:23:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:23:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:23:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:23:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:23:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:23:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:23:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:23:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:23:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:23:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:23:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:23:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:23:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:23:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:23:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:23:35 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:23:35 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:23:35 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:23:36 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:23:37 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:23:38 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:23:19.668250 End time: 2025-03-15 23:23:38.173260 2025-03-15 23:23:38 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:23:38 INFO tclean::::casa ########################################## 2025-03-15 23:23:38 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:23:38 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:23:38 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:23:38 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:23:38 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:23:38 2025****** 2025-03-15 23:23:38 INFO ImageFitter::fit+ 2025-03-15 23:23:38 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:23:38 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:23:38 INFO ImageFitter::fit+ --- region: 2025-03-15 23:23:38 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:23:38 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:23:38 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:23:38 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:23:38 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:23:38 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:23:38 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:23:38 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:23:38 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:23:38 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:23:38 INFO imstat::::casa ########################################## 2025-03-15 23:23:38 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:23:38 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:23:38 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:23:38 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:23:38 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:23:38 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:23:38 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:23:38 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:23:38 INFO imstat:::: Values --- 2025-03-15 23:23:38 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:23:38 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:23:38 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- minimum value [min]: -7.77773e-05 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:23:38 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-03-15 23:23:38 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:23:38 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-03-15 23:23:38 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:23:38 INFO imstat:::: Statistics --- 2025-03-15 23:23:38 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- Median of the pixel values [median]: -1.86786e-05 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- IQR [quartile]: 3.56014e-05 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- First quartile [q1]: -3.45038e-05 Jy/beam 2025-03-15 23:23:38 INFO imstat:::: -- Third quartile [q3]: 1.09758e-06 Jy/beam 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:23:38 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777732e-05 4.999996e+00 2025-03-15 23:23:38 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:23:38.251665 End time: 2025-03-15 23:23:38.279780 2025-03-15 23:23:38 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:23:38 INFO imstat::::casa ########################################## 2025-03-15 23:23:38 INFO phaseshift::::casa ########################################## 2025-03-15 23:23:38 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:23:38 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 0.697578292rad' ) 2025-03-15 23:23:38 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:23:38 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:23:38 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:23:38 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:23:38 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:23:38 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:23:38 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:23:38 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:23:38 INFO MSTransformManager::open Select data 2025-03-15 23:23:38 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:23:41 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:23:41 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 0.697578292rad' successfully parsed 2025-03-15 23:23:41 INFO phaseshift::::casa Shift phase center 2025-03-15 23:23:42 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:23:43 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:23:38.296658 End time: 2025-03-15 23:23:42.526534 2025-03-15 23:23:43 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:23:43 INFO phaseshift::::casa ########################################## 2025-03-15 23:23:43 INFO tclean::::casa ########################################## 2025-03-15 23:23:43 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:23:43 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:23:43 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:23:43 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:23:43 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:23:43 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:23:43 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:23:43 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:23:43 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:23:43 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:23:43 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:23:43 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:23:43 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:23:43 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:23:43 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:23:43 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018183 2025-03-15 23:23:43 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:23:43 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:23:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:23:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:23:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:23:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:23:45 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:23:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:23:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:23:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:23:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:23:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:23:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:23:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:23:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:23:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:23:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:23:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:23:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:23:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:23:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:23:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:23:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:23:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:23:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:23:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:23:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:23:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:23:49 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:23:49 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:23:49 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:23:50 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:23:50 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:23:51 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:23:42.562175 End time: 2025-03-15 23:23:51.088921 2025-03-15 23:23:51 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:23:51 INFO tclean::::casa ########################################## 2025-03-15 23:23:51 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:23:51 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:23:51 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:23:51 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:23:51 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:23:51 2025****** 2025-03-15 23:23:51 INFO ImageFitter::fit+ 2025-03-15 23:23:51 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:23:51 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:23:51 INFO ImageFitter::fit+ --- region: 2025-03-15 23:23:51 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:23:51 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:23:51 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:23:51 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:23:51 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:23:51 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:23:51 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:23:51 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:23:51 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126487 Jy 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:23:51 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:23:51 INFO imstat::::casa ########################################## 2025-03-15 23:23:51 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:23:51 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:23:51 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:23:51 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:23:51 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:23:51 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:23:51 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:23:51 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:23:51 INFO imstat:::: Values --- 2025-03-15 23:23:51 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:23:51 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:23:51 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- minimum value [min]: -7.7781e-05 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:23:51 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:23:51 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:23:51 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:23:51 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:23:51 INFO imstat:::: Statistics --- 2025-03-15 23:23:51 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- Median of the pixel values [median]: -1.86714e-05 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73593e-05 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- IQR [quartile]: 3.56161e-05 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- First quartile [q1]: -3.45125e-05 Jy/beam 2025-03-15 23:23:51 INFO imstat:::: -- Third quartile [q3]: 1.10364e-06 Jy/beam 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:23:51 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778104e-05 4.999996e+00 2025-03-15 23:23:51 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:23:51.172143 End time: 2025-03-15 23:23:51.200356 2025-03-15 23:23:51 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:23:51 INFO imstat::::casa ########################################## 2025-03-15 23:23:51 INFO phaseshift::::casa ########################################## 2025-03-15 23:23:51 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:23:51 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39d58m05.8512' ) 2025-03-15 23:23:51 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:23:51 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:23:51 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:23:51 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:23:51 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:23:51 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:23:51 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:23:51 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:23:51 INFO MSTransformManager::open Select data 2025-03-15 23:23:51 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:23:55 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:23:55 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 39d58m05.8512' successfully parsed 2025-03-15 23:23:55 INFO phaseshift::::casa Shift phase center 2025-03-15 23:23:55 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:23:55 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:23:51.217524 End time: 2025-03-15 23:23:55.164236 2025-03-15 23:23:55 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:23:55 INFO phaseshift::::casa ########################################## 2025-03-15 23:23:55 INFO tclean::::casa ########################################## 2025-03-15 23:23:55 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:23:55 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:23:55 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:23:55 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:23:55 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:23:55 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:23:55 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:23:55 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:23:55 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:23:55 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:23:55 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:23:55 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:23:55 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:23:55 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:23:59 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:23:59 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.029159 2025-03-15 23:23:59 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:23:59 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:24:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:24:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:24:01 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:24:01 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:24:01 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:24:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:24:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:24:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:24:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:24:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:24:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:24:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:24:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:24:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:24:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:24:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:24:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:24:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:24:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:24:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:24:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:24:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:24:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:24:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:24:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:24:06 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:24:06 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:24:06 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:24:06 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:24:07 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:24:07 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:23:55.199225 End time: 2025-03-15 23:24:07.331782 2025-03-15 23:24:07 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:24:07 INFO tclean::::casa ########################################## 2025-03-15 23:24:07 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:24:07 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:07 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:24:07 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:24:07 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:24:07 2025****** 2025-03-15 23:24:07 INFO ImageFitter::fit+ 2025-03-15 23:24:07 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:24:07 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:24:07 INFO ImageFitter::fit+ --- region: 2025-03-15 23:24:07 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:24:07 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:24:07 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:24:07 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:24:07 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:24:07 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:24:07 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:07 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:24:07 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:24:07 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:24:07 INFO imstat::::casa ########################################## 2025-03-15 23:24:07 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:24:07 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:24:07 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:24:07 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:24:07 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:24:07 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:24:07 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:07 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:24:07 INFO imstat:::: Values --- 2025-03-15 23:24:07 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:24:07 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:24:07 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:24:07 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:24:07 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:24:07 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:24:07 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:24:07 INFO imstat:::: Statistics --- 2025-03-15 23:24:07 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-03-15 23:24:07 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:24:07 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778264e-05 4.999996e+00 2025-03-15 23:24:07 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:24:07.397014 End time: 2025-03-15 23:24:07.421927 2025-03-15 23:24:07 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:24:07 INFO imstat::::casa ########################################## 2025-03-15 23:24:07 INFO phaseshift::::casa ########################################## 2025-03-15 23:24:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:24:07 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 298.023551625deg 02:39:52.3901' ) 2025-03-15 23:24:07 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:24:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:24:07 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:24:07 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:24:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:24:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:24:07 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:24:07 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:24:07 INFO MSTransformManager::open Select data 2025-03-15 23:24:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:24:09 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:24:09 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 02:39:52.3901' successfully parsed 2025-03-15 23:24:09 INFO phaseshift::::casa Shift phase center 2025-03-15 23:24:10 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:24:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:24:07.437055 End time: 2025-03-15 23:24:09.992784 2025-03-15 23:24:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:24:10 INFO phaseshift::::casa ########################################## 2025-03-15 23:24:10 INFO tclean::::casa ########################################## 2025-03-15 23:24:10 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:24:10 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 ) 2025-03-15 23:24:10 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:24:10 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:24:10 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:24:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:24:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:24:10 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:24:10 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:24:10 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:24:10 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:24:10 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:24:10 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:24:10 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:24:11 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:24:11 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027552 2025-03-15 23:24:11 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:24:11 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:24:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:24:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:24:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:24:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:24:12 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:24:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:24:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:24:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:24:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:24:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:24:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:24:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:24:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:24:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:24:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:24:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:24:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:24:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:24:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:24:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:24:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:24:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:24:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:24:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:24:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:24:18 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:24:18 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:24:18 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:24:18 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:24:19 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:24:20 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:24:10.042010 End time: 2025-03-15 23:24:19.726435 2025-03-15 23:24:20 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:24:20 INFO tclean::::casa ########################################## 2025-03-15 23:24:20 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:24:20 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:20 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:24:20 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:24:20 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:24:20 2025****** 2025-03-15 23:24:20 INFO ImageFitter::fit+ 2025-03-15 23:24:20 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:24:20 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:24:20 INFO ImageFitter::fit+ --- region: 2025-03-15 23:24:20 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:24:20 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:24:20 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:24:20 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:24:20 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:24:20 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:24:20 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:20 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:24:20 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011688 Jy 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:24:20 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:24:20 INFO imstat::::casa ########################################## 2025-03-15 23:24:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:24:20 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:24:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:24:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:24:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:24:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:24:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:20 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-03-15 23:24:20 INFO imstat:::: Values --- 2025-03-15 23:24:20 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:24:20 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:24:20 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- minimum value [min]: -7.78225e-05 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:24:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:24:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:24:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:24:20 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:24:20 INFO imstat:::: Statistics --- 2025-03-15 23:24:20 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- Median of the pixel values [median]: -1.86781e-05 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- IQR [quartile]: 3.56365e-05 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- First quartile [q1]: -3.45278e-05 Jy/beam 2025-03-15 23:24:20 INFO imstat:::: -- Third quartile [q3]: 1.10869e-06 Jy/beam 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:24:20 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085647e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.782251e-05 4.999996e+00 2025-03-15 23:24:20 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:24:19.804213 End time: 2025-03-15 23:24:19.832645 2025-03-15 23:24:20 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:24:20 INFO imstat::::casa ########################################## 2025-03-15 23:24:20 INFO phaseshift::::casa ########################################## 2025-03-15 23:24:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:24:20 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 298.023551625deg 39.968292000deg' ) 2025-03-15 23:24:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:24:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:24:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:24:20 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:24:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:24:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:24:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:24:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:24:20 INFO MSTransformManager::open Select data 2025-03-15 23:24:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:24:22 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:24:22 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 39.968292000deg' successfully parsed 2025-03-15 23:24:22 INFO phaseshift::::casa Shift phase center 2025-03-15 23:24:23 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:24:23 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:24:19.850389 End time: 2025-03-15 23:24:23.265486 2025-03-15 23:24:23 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:24:23 INFO phaseshift::::casa ########################################## 2025-03-15 23:24:23 INFO tclean::::casa ########################################## 2025-03-15 23:24:23 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:24:23 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:24:23 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:24:23 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:24:23 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:24:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:24:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:24:23 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:24:23 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:24:23 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:24:23 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:24:23 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:24:23 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:24:23 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:24:24 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:24:24 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.024253 2025-03-15 23:24:24 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:24:24 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:24:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:24:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:24:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:24:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:24:28 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:24:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:24:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:24:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:24:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:24:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:24:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:24:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:24:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:24:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:24:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:24:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:24:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:24:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:24:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:24:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:24:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:24:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:24:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:24:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:24:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:24:33 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:24:33 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:24:33 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:24:34 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:24:34 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:24:35 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:24:23.324780 End time: 2025-03-15 23:24:35.051752 2025-03-15 23:24:35 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:24:35 INFO tclean::::casa ########################################## 2025-03-15 23:24:35 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:24:35 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:35 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:24:35 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:24:35 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:24:35 2025****** 2025-03-15 23:24:35 INFO ImageFitter::fit+ 2025-03-15 23:24:35 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:24:35 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:24:35 INFO ImageFitter::fit+ --- region: 2025-03-15 23:24:35 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:24:35 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:24:35 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:24:35 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:24:35 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:24:35 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:24:35 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:35 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:24:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:24:35 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:24:35 INFO imstat::::casa ########################################## 2025-03-15 23:24:35 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:24:35 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:24:35 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:24:35 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:24:35 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:24:35 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:24:35 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:35 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:24:35 INFO imstat:::: Values --- 2025-03-15 23:24:35 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:24:35 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:24:35 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:24:35 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:24:35 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:24:35 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:24:35 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:24:35 INFO imstat:::: Statistics --- 2025-03-15 23:24:35 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-03-15 23:24:35 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:24:35 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778264e-05 4.999996e+00 2025-03-15 23:24:35 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:24:35.122044 End time: 2025-03-15 23:24:35.149139 2025-03-15 23:24:35 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:24:35 INFO imstat::::casa ########################################## 2025-03-15 23:24:35 INFO phaseshift::::casa ########################################## 2025-03-15 23:24:35 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:24:35 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 0.697578292rad' ) 2025-03-15 23:24:35 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:24:35 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:24:35 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:24:35 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:24:35 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:24:35 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:24:35 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:24:35 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:24:35 INFO MSTransformManager::open Select data 2025-03-15 23:24:35 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:24:38 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:24:38 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 0.697578292rad' successfully parsed 2025-03-15 23:24:38 INFO phaseshift::::casa Shift phase center 2025-03-15 23:24:39 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:24:39 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:24:35.167549 End time: 2025-03-15 23:24:38.977491 2025-03-15 23:24:39 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:24:39 INFO phaseshift::::casa ########################################## 2025-03-15 23:24:39 INFO tclean::::casa ########################################## 2025-03-15 23:24:39 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:24:39 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:24:39 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:24:39 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:24:39 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:24:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:24:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:24:39 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:24:39 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:24:39 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:24:39 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:24:39 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:24:39 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:24:39 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:24:40 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:24:40 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.024742 2025-03-15 23:24:40 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:24:40 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:24:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:24:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:24:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:24:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:24:42 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:24:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:24:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:24:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:24:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:24:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:24:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:24:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:24:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:24:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:24:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:24:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:24:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:24:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:24:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:24:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:24:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:24:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:24:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:24:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:24:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:24:48 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:24:48 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:24:48 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:24:48 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:24:49 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:24:49 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:24:39.026125 End time: 2025-03-15 23:24:49.242178 2025-03-15 23:24:49 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:24:49 INFO tclean::::casa ########################################## 2025-03-15 23:24:49 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:24:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:49 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:24:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:24:49 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:24:49 2025****** 2025-03-15 23:24:49 INFO ImageFitter::fit+ 2025-03-15 23:24:49 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:24:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:24:49 INFO ImageFitter::fit+ --- region: 2025-03-15 23:24:49 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:24:49 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:24:49 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:24:49 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:24:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:24:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:24:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:49 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:24:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:24:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:24:49 INFO imstat::::casa ########################################## 2025-03-15 23:24:49 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:24:49 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:24:49 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:24:49 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:24:49 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:24:49 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:24:49 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:24:49 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:24:49 INFO imstat:::: Values --- 2025-03-15 23:24:49 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:24:49 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:24:49 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- minimum value [min]: -7.7789e-05 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:24:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:24:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:24:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:24:49 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:24:49 INFO imstat:::: Statistics --- 2025-03-15 23:24:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- Median of the pixel values [median]: -1.86647e-05 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- IQR [quartile]: 3.56182e-05 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- First quartile [q1]: -3.45079e-05 Jy/beam 2025-03-15 23:24:49 INFO imstat:::: -- Third quartile [q3]: 1.11022e-06 Jy/beam 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:24:49 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778897e-05 4.999996e+00 2025-03-15 23:24:49 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:24:49.288021 End time: 2025-03-15 23:24:49.315500 2025-03-15 23:24:49 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:24:49 INFO imstat::::casa ########################################## 2025-03-15 23:24:49 INFO phaseshift::::casa ########################################## 2025-03-15 23:24:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:24:49 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39d58m05.8512' ) 2025-03-15 23:24:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:24:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:24:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:24:49 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:24:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:24:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:24:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:24:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:24:49 INFO MSTransformManager::open Select data 2025-03-15 23:24:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:24:51 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:24:51 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 39d58m05.8512' successfully parsed 2025-03-15 23:24:51 INFO phaseshift::::casa Shift phase center 2025-03-15 23:24:51 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:24:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:24:49.328007 End time: 2025-03-15 23:24:51.496958 2025-03-15 23:24:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:24:51 INFO phaseshift::::casa ########################################## 2025-03-15 23:24:52 INFO tclean::::casa ########################################## 2025-03-15 23:24:52 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:24:52 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:24:52 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:24:52 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:24:52 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:24:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:24:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:24:52 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:24:52 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:24:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:24:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:24:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:24:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:24:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:24:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:24:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.024915 2025-03-15 23:24:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:24:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:24:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:24:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:24:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:24:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:24:54 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:24:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:24:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:24:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:24:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:24:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:24:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:24:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:24:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:24:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:24:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:24:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:24:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:24:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:24:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:24:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:24:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:24:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:24:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:24:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:24:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:24:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:24:58 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:24:58 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:24:58 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:24:59 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:24:59 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:25:00 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:24:51.535106 End time: 2025-03-15 23:25:00.169817 2025-03-15 23:25:00 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:25:00 INFO tclean::::casa ########################################## 2025-03-15 23:25:00 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:25:00 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:00 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:25:00 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:25:00 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:25:00 2025****** 2025-03-15 23:25:00 INFO ImageFitter::fit+ 2025-03-15 23:25:00 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:25:00 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:25:00 INFO ImageFitter::fit+ --- region: 2025-03-15 23:25:00 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:25:00 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:25:00 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:25:00 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:25:00 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:25:00 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:25:00 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:00 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:25:00 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:25:00 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:25:00 INFO imstat::::casa ########################################## 2025-03-15 23:25:00 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:25:00 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:25:00 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:25:00 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:25:00 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:25:00 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:25:00 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:00 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:25:00 INFO imstat:::: Values --- 2025-03-15 23:25:00 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:25:00 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:25:00 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- minimum value [min]: -7.77853e-05 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:25:00 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:25:00 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:25:00 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:25:00 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:25:00 INFO imstat:::: Statistics --- 2025-03-15 23:25:00 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- Median of the pixel values [median]: -1.86679e-05 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- IQR [quartile]: 3.56112e-05 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- First quartile [q1]: -3.45109e-05 Jy/beam 2025-03-15 23:25:00 INFO imstat:::: -- Third quartile [q3]: 1.10039e-06 Jy/beam 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:25:00 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778534e-05 4.999996e+00 2025-03-15 23:25:00 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:25:00.240814 End time: 2025-03-15 23:25:00.267741 2025-03-15 23:25:00 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:25:00 INFO imstat::::casa ########################################## 2025-03-15 23:25:00 INFO phaseshift::::casa ########################################## 2025-03-15 23:25:00 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:25:00 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 02:39:52.3901' ) 2025-03-15 23:25:00 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:25:00 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:25:00 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:25:00 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:25:00 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:25:00 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:25:00 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:25:00 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:25:00 INFO MSTransformManager::open Select data 2025-03-15 23:25:00 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:25:06 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-03-15 23:25:06 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 02:39:52.3901' successfully parsed 2025-03-15 23:25:06 INFO phaseshift::::casa Shift phase center 2025-03-15 23:25:07 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:25:07 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:25:00.284214 End time: 2025-03-15 23:25:07.180910 2025-03-15 23:25:07 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:25:07 INFO phaseshift::::casa ########################################## 2025-03-15 23:25:07 INFO tclean::::casa ########################################## 2025-03-15 23:25:07 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:25:07 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:25:07 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:25:07 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:25:07 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:25:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:25:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:25:07 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:25:07 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:25:07 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:25:07 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:25:07 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:25:07 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:25:07 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:25:08 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:25:08 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.021628 2025-03-15 23:25:08 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:25:08 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:25:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:25:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:25:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:25:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:25:10 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:25:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:25:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:25:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:25:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:25:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:25:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:25:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:25:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:25:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:25:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:25:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:25:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:25:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:25:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:25:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:25:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-03-15 23:25:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:25:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:25:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:25:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:25:14 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:25:14 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:25:14 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:25:15 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:25:15 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:25:17 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:25:07.225840 End time: 2025-03-15 23:25:16.572148 2025-03-15 23:25:17 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:25:17 INFO tclean::::casa ########################################## 2025-03-15 23:25:17 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:25:17 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:17 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:25:17 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:25:17 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:25:17 2025****** 2025-03-15 23:25:17 INFO ImageFitter::fit+ 2025-03-15 23:25:17 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:25:17 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:25:17 INFO ImageFitter::fit+ --- region: 2025-03-15 23:25:17 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:25:17 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:25:17 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:25:17 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:25:17 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:25:17 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:25:17 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:17 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:25:17 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116885 Jy 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126501 Jy 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:25:17 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:25:17 INFO imstat::::casa ########################################## 2025-03-15 23:25:17 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:25:17 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:25:17 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:25:17 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:25:17 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:25:17 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:25:17 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:17 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-03-15 23:25:17 INFO imstat:::: Values --- 2025-03-15 23:25:17 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:25:17 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:25:17 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- minimum value [min]: -7.78268e-05 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:25:17 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:25:17 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:25:17 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:25:17 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:25:17 INFO imstat:::: Statistics --- 2025-03-15 23:25:17 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- Median of the pixel values [median]: -1.8675e-05 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73782e-05 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- IQR [quartile]: 3.56598e-05 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- First quartile [q1]: -3.45364e-05 Jy/beam 2025-03-15 23:25:17 INFO imstat:::: -- Third quartile [q3]: 1.12335e-06 Jy/beam 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:25:17 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085647e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.782676e-05 4.999996e+00 2025-03-15 23:25:17 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:25:16.654721 End time: 2025-03-15 23:25:16.692632 2025-03-15 23:25:17 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:25:17 INFO imstat::::casa ########################################## 2025-03-15 23:25:17 INFO phaseshift::::casa ########################################## 2025-03-15 23:25:17 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:25:17 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39.968292000deg' ) 2025-03-15 23:25:17 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:25:17 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:25:17 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:25:17 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:25:17 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:25:17 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:25:17 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:25:17 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:25:17 INFO MSTransformManager::open Select data 2025-03-15 23:25:17 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:25:19 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:25:19 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 39.968292000deg' successfully parsed 2025-03-15 23:25:19 INFO phaseshift::::casa Shift phase center 2025-03-15 23:25:20 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:25:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:25:16.716461 End time: 2025-03-15 23:25:20.152395 2025-03-15 23:25:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:25:20 INFO phaseshift::::casa ########################################## 2025-03-15 23:25:20 INFO tclean::::casa ########################################## 2025-03-15 23:25:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:25:20 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:25:20 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:25:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:25:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:25:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:25:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:25:20 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:25:20 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:25:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:25:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:25:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:25:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:25:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:25:21 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:25:21 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018131 2025-03-15 23:25:21 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:25:21 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:25:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:25:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:25:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:25:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:25:23 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:25:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:25:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:25:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:25:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:25:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:25:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:25:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:25:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:25:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:25:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:25:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:25:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:25:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:25:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:25:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:25:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:25:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:25:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:25:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:25:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:25:28 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:25:28 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:25:28 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:25:29 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:25:29 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:25:30 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:25:20.192056 End time: 2025-03-15 23:25:29.832141 2025-03-15 23:25:30 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:25:30 INFO tclean::::casa ########################################## 2025-03-15 23:25:30 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:25:30 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:30 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:25:30 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:25:30 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:25:30 2025****** 2025-03-15 23:25:30 INFO ImageFitter::fit+ 2025-03-15 23:25:30 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:25:30 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:25:30 INFO ImageFitter::fit+ --- region: 2025-03-15 23:25:30 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:25:30 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:25:30 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:25:30 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:25:30 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:25:30 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:25:30 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:30 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:25:30 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:25:30 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:25:30 INFO imstat::::casa ########################################## 2025-03-15 23:25:30 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:25:30 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:25:30 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:25:30 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:25:30 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:25:30 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:25:30 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:30 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:25:30 INFO imstat:::: Values --- 2025-03-15 23:25:30 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:25:30 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:25:30 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- minimum value [min]: -7.77853e-05 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:25:30 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:25:30 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:25:30 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:25:30 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:25:30 INFO imstat:::: Statistics --- 2025-03-15 23:25:30 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- Median of the pixel values [median]: -1.86679e-05 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- IQR [quartile]: 3.56112e-05 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- First quartile [q1]: -3.45109e-05 Jy/beam 2025-03-15 23:25:30 INFO imstat:::: -- Third quartile [q3]: 1.10039e-06 Jy/beam 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:25:30 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778534e-05 4.999996e+00 2025-03-15 23:25:30 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:25:29.907496 End time: 2025-03-15 23:25:29.935691 2025-03-15 23:25:30 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:25:30 INFO imstat::::casa ########################################## 2025-03-15 23:25:30 INFO phaseshift::::casa ########################################## 2025-03-15 23:25:30 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-03-15 23:25:30 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 0.697578292rad' ) 2025-03-15 23:25:30 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-03-15 23:25:30 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-03-15 23:25:30 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-03-15 23:25:30 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-03-15 23:25:30 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-03-15 23:25:30 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-03-15 23:25:30 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-03-15 23:25:30 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-03-15 23:25:30 INFO MSTransformManager::open Select data 2025-03-15 23:25:30 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-03-15 23:25:32 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-03-15 23:25:32 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 0.697578292rad' successfully parsed 2025-03-15 23:25:32 INFO phaseshift::::casa Shift phase center 2025-03-15 23:25:33 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-03-15 23:25:33 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-03-15 23:25:29.952554 End time: 2025-03-15 23:25:32.813245 2025-03-15 23:25:33 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-03-15 23:25:33 INFO phaseshift::::casa ########################################## 2025-03-15 23:25:33 INFO tclean::::casa ########################################## 2025-03-15 23:25:33 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-03-15 23:25:33 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-03-15 23:25:33 INFO tclean::::casa Verifying Input Parameters 2025-03-15 23:25:33 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-03-15 23:25:33 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-03-15 23:25:33 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:25:33 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-03-15 23:25:33 INFO SynthesisImagerVi2::defineImage Impars: start 2025-03-15 23:25:33 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-03-15 23:25:33 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-03-15 23:25:33 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 48.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-03-15 23:25:33 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-03-15 23:25:33 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-03-15 23:25:33 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-03-15 23:25:34 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-03-15 23:25:34 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.017538 2025-03-15 23:25:34 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:25:34 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-03-15 23:25:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-03-15 23:25:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-03-15 23:25:35 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-03-15 23:25:35 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-03-15 23:25:35 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-03-15 23:25:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-03-15 23:25:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-03-15 23:25:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-03-15 23:25:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-03-15 23:25:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-03-15 23:25:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-03-15 23:25:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-03-15 23:25:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-03-15 23:25:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-03-15 23:25:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-03-15 23:25:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-03-15 23:25:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-03-15 23:25:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-03-15 23:25:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-03-15 23:25:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-03-15 23:25:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-03-15 23:25:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-03-15 23:25:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-03-15 23:25:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-03-15 23:25:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-03-15 23:25:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-03-15 23:25:42 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-03-15 23:25:42 INFO tclean::::casa getSummary call: fullsummary=False 2025-03-15 23:25:42 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-03-15 23:25:43 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-03-15 23:25:43 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask'] 2025-03-15 23:25:44 INFO tclean::::casa Task tclean complete. Start time: 2025-03-15 23:25:32.872165 End time: 2025-03-15 23:25:44.367774 2025-03-15 23:25:44 INFO tclean::::casa ##### End Task: tclean ##### 2025-03-15 23:25:44 INFO tclean::::casa ########################################## 2025-03-15 23:25:44 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-03-15 23:25:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:44 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-03-15 23:25:44 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-03-15 23:25:44 INFO ImageFitter::fit ****** Fit performed at Sat Mar 15 23:25:44 2025****** 2025-03-15 23:25:44 INFO ImageFitter::fit+ 2025-03-15 23:25:44 INFO ImageFitter::fit+ Input parameters --- 2025-03-15 23:25:44 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-03-15 23:25:44 INFO ImageFitter::fit+ --- region: 2025-03-15 23:25:44 INFO ImageFitter::fit+ --- channel: 0 2025-03-15 23:25:44 INFO ImageFitter::fit+ --- stokes: I 2025-03-15 23:25:44 INFO ImageFitter::fit+ --- mask: 2025-03-15 23:25:44 INFO ImageFitter::fit+ --- include pixel range: [] 2025-03-15 23:25:44 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-03-15 23:25:44 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-03-15 23:25:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:44 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-03-15 23:25:44 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ Position --- 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ Flux --- 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-03-15 23:25:44 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-03-15 23:25:44 INFO imstat::::casa ########################################## 2025-03-15 23:25:44 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-03-15 23:25:44 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-03-15 23:25:44 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-03-15 23:25:44 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-03-15 23:25:44 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-03-15 23:25:44 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-03-15 23:25:44 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-03-15 23:25:44 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-03-15 23:25:44 INFO imstat:::: Values --- 2025-03-15 23:25:44 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-03-15 23:25:44 INFO imstat:::: -- number of points [npts]: 65536 2025-03-15 23:25:44 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- minimum value [min]: -7.77956e-05 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-03-15 23:25:44 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-03-15 23:25:44 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-03-15 23:25:44 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-03-15 23:25:44 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-03-15 23:25:44 INFO imstat:::: Statistics --- 2025-03-15 23:25:44 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- Median of the pixel values [median]: -1.86648e-05 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73536e-05 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- IQR [quartile]: 3.5639e-05 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- First quartile [q1]: -3.45152e-05 Jy/beam 2025-03-15 23:25:44 INFO imstat:::: -- Third quartile [q3]: 1.12373e-06 Jy/beam 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-03-15 23:25:44 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.779562e-05 4.999996e+00 2025-03-15 23:25:44 INFO imstat::::casa Task imstat complete. Start time: 2025-03-15 23:25:44.447680 End time: 2025-03-15 23:25:44.476170 2025-03-15 23:25:44 INFO imstat::::casa ##### End Task: imstat ##### 2025-03-15 23:25:44 INFO imstat::::casa ########################################## . ---------------------------------------------------------------------- Ran 26 tests in 1575.505s OK Generating XML reports...