2026-10-14 03:41:42 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-10-14 03:41:42 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.7-14-py3.12.el9/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-10-14 03:41:42 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-10-14 03:41:42 INFO ::casa 2026-10-14 03:41:42 INFO ::casa config values 2026-10-14 03:41:42 INFO ::casa agg = False 2026-10-14 03:41:42 INFO ::casa cachedir = '/home/casatest/.casa' 2026-10-14 03:41:42 INFO ::casa casaconfig_verbose = 1 2026-10-14 03:41:42 INFO ::casa colors = 'Neutral' 2026-10-14 03:41:42 INFO ::casa data_auto_update = False 2026-10-14 03:41:42 INFO ::casa data_update_interval = 1 2026-10-14 03:41:42 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-10-14 03:41:42 INFO ::casa iplog = False 2026-10-14 03:41:42 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20261014-034138.log' 2026-10-14 03:41:42 INFO ::casa log2term = True 2026-10-14 03:41:42 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20261014-034138.log' 2026-10-14 03:41:42 INFO ::casa measures_auto_update = False 2026-10-14 03:41:42 INFO ::casa measures_site = ['https://iers.astron.nl/', 'https://go.nrao.edu/iers/'] 2026-10-14 03:41:42 INFO ::casa measures_site_interval = 2 2026-10-14 03:41:42 INFO ::casa measures_update_interval = 1 2026-10-14 03:41:42 INFO ::casa measurespath = '/opt/casa/data/master' 2026-10-14 03:41:42 INFO ::casa nogui = False 2026-10-14 03:41:42 INFO ::casa nologfile = False 2026-10-14 03:41:42 INFO ::casa nologger = True 2026-10-14 03:41:42 INFO ::casa pipeline = False 2026-10-14 03:41:42 INFO ::casa skipnetworkcheck = False 2026-10-14 03:41:42 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-10-14 03:41:42 INFO ::casa user_site = False 2026-10-14 03:41:42 INFO ::casa 2026-10-14 03:41:42 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-14 03:41:42 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-14 03:41:42 INFO ::casa 2026-10-14 03:41:42 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-10-14 03:41:42 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/09/10/15:15, 2026/08/11/00:00:00 2026-10-14 03:41:42 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/09/10/15:15, 2026/08/11/00:00:00 2026-10-14 03:41:42 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/10/13/15:15, 2027/01/11/00:00:00 2026-10-14 03:41:42 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2026/10/05/15:15, 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 6.7.7.14 -- Common Astronomy Software Applications [6.7.7.14] 2026-10-14 03:41:43 INFO statwt::::casa ########################################## 2026-10-14 03:41:43 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:43 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:0~9;21~62', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:43 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:43 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:43 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:41:43 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:43 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:43 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:43 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:43 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:43 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:43 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-14 03:41:43 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-14 03:41:43 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-14 03:41:43 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-14 03:41:43 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:43 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:42.809471 End time: 2026-10-14 03:41:43.206749 2026-10-14 03:41:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:43 INFO statwt::::casa ########################################## 2026-10-14 03:41:44 INFO statwt::::casa ########################################## 2026-10-14 03:41:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:44 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:44 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:44 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:41:44 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:44 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:44 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:44 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:44 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:44 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:44 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-14 03:41:44 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:44 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-14 03:41:44 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-14 03:41:44 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:44 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:43.556433 End time: 2026-10-14 03:41:43.895860 2026-10-14 03:41:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:44 INFO statwt::::casa ########################################## 2026-10-14 03:41:44 INFO statwt::::casa ########################################## 2026-10-14 03:41:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:44 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:10~20', excludechans=True, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:44 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:44 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-14 03:41:44 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:44 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:44 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:44 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:44 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:44 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:44 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-14 03:41:44 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-14 03:41:44 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-14 03:41:44 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-14 03:41:44 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:44 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:44.140927 End time: 2026-10-14 03:41:44.472206 2026-10-14 03:41:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:44 INFO statwt::::casa ########################################## 2026-10-14 03:41:45 INFO statwt::::casa ########################################## 2026-10-14 03:41:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:45 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:0~9;21~62', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:45 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:45 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-14 03:41:45 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:45 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:45 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:45 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:45 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-14 03:41:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-14 03:41:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-14 03:41:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-14 03:41:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:45 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:44.567701 End time: 2026-10-14 03:41:44.850852 2026-10-14 03:41:45 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:45 INFO statwt::::casa ########################################## 2026-10-14 03:41:45 INFO statwt::::casa ########################################## 2026-10-14 03:41:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:45 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:45 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:45 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-14 03:41:45 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:45 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:45 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:45 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:45 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-14 03:41:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-14 03:41:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-14 03:41:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:45 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:45.238197 End time: 2026-10-14 03:41:45.481097 2026-10-14 03:41:45 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:45 INFO statwt::::casa ########################################## 2026-10-14 03:41:46 INFO statwt::::casa ########################################## 2026-10-14 03:41:46 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:46 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:10~20', excludechans=True, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:46 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:46 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-14 03:41:46 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:46 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:46 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:46 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:46 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-14 03:41:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-14 03:41:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-14 03:41:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-14 03:41:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:46 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:45.690358 End time: 2026-10-14 03:41:45.951760 2026-10-14 03:41:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:46 INFO statwt::::casa ########################################## 2026-10-14 03:41:46 INFO name:: No table opened. 2026-10-14 03:41:46 INFO name:: No table opened. .2026-10-14 03:41:46 INFO statwt::::casa ########################################## 2026-10-14 03:41:46 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:46 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:46 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:46 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:41:46 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:46 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:47 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:47 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:47 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-14 03:41:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-14 03:41:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-14 03:41:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:47 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:46.050482 End time: 2026-10-14 03:41:47.139807 2026-10-14 03:41:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:47 INFO statwt::::casa ########################################## 2026-10-14 03:41:47 INFO statwt::::casa ########################################## 2026-10-14 03:41:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:47 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:47 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:47 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:41:47 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:47 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:48 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:48 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:48 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:48 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:48 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-14 03:41:48 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:48 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-14 03:41:48 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-14 03:41:48 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:48 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:47.177713 End time: 2026-10-14 03:41:48.279963 2026-10-14 03:41:48 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:48 INFO statwt::::casa ########################################## 2026-10-14 03:41:48 INFO statwt::::casa ########################################## 2026-10-14 03:41:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:48 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:48 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:48 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-14 03:41:48 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:48 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-14 03:41:48 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-14 03:41:48 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:50 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:50 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-14 03:41:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-14 03:41:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-14 03:41:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:50 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:48.340371 End time: 2026-10-14 03:41:49.536781 2026-10-14 03:41:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:50 INFO statwt::::casa ########################################## 2026-10-14 03:41:50 INFO statwt::::casa ########################################## 2026-10-14 03:41:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:50 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:50 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:50 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-14 03:41:50 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:50 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-14 03:41:50 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-14 03:41:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:51 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:51 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-14 03:41:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-14 03:41:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-14 03:41:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:51 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:49.580636 End time: 2026-10-14 03:41:50.711419 2026-10-14 03:41:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:51 INFO statwt::::casa ########################################## 2026-10-14 03:41:51 INFO statwt::::casa ########################################## 2026-10-14 03:41:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:51 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:51 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:51 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-14 03:41:51 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:51 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:51 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:51 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-14 03:41:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-14 03:41:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-14 03:41:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:51 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:50.766793 End time: 2026-10-14 03:41:51.431870 2026-10-14 03:41:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:51 INFO statwt::::casa ########################################## 2026-10-14 03:41:51 INFO statwt::::casa ########################################## 2026-10-14 03:41:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:51 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:51 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:52 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-14 03:41:52 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:52 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:52 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:52 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:52 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-14 03:41:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-14 03:41:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-14 03:41:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:52 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:51.498306 End time: 2026-10-14 03:41:52.102923 2026-10-14 03:41:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:52 INFO statwt::::casa ########################################## 2026-10-14 03:41:52 INFO statwt::::casa ########################################## 2026-10-14 03:41:52 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:52 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:52 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:52 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-10-14 03:41:52 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:52 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-14 03:41:52 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-14 03:41:52 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:53 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:53 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:53 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-14 03:41:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-14 03:41:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-14 03:41:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:53 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:52.164940 End time: 2026-10-14 03:41:52.962486 2026-10-14 03:41:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:53 INFO statwt::::casa ########################################## 2026-10-14 03:41:53 INFO name:: No table opened. 2026-10-14 03:41:53 INFO name:: No table opened. .2026-10-14 03:41:54 INFO statwt::::casa ########################################## 2026-10-14 03:41:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:54 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-14 03:41:54 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:54 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:41:54 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-14 03:41:54 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-14 03:41:54 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-14 03:41:55 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-14 03:41:56 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-14 03:41:56 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:56 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-14 03:41:56 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-10-14 03:41:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-14 03:41:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-10-14 03:41:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-10-14 03:41:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:56 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:54.199034 End time: 2026-10-14 03:41:56.221496 2026-10-14 03:41:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:56 INFO statwt::::casa ########################################## 2026-10-14 03:41:57 INFO statwt::::casa ########################################## 2026-10-14 03:41:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:57 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_0.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-14 03:41:57 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:57 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:41:57 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-14 03:41:57 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-14 03:41:57 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-14 03:41:57 SEVERE ms::statwt Exception Reported: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-10-14 03:41:57 SEVERE ms::statwt+ ... thrown by casac::record* casac::ms::statwt(const std::string&, const casac::variant&, bool, const casac::variant&, long int, const std::string&, double, const std::string&, bool, double, long int, const std::string&, bool, const std::vector >&, bool, const std::string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-10-14 03:41:57 SEVERE statwt::::casa Exception Reported: Error in statwt: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-10-14 03:41:57 SEVERE statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const std::string&, const casac::variant&, bool, const casac::variant&, long int, const std::string&, double, const std::string&, bool, double, long int, const std::string&, bool, const std::vector >&, bool, const std::string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-10-14 03:41:57 INFO statwt::::casa Traceback (most recent call last): 2026-10-14 03:41:57 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-14-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-14 03:41:57 INFO statwt::::casa+ task_result = _statwt_t( _pc.document['vis'],_pc.document['selectdata'],_pc.document['field'],_pc.document['spw'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['scan'],_pc.document['combine'],_pc.document['timebin'],_pc.document['slidetimebin'],_pc.document['chanbin'],_pc.document['minsamp'],_pc.document['statalg'],_pc.document['fence'],_pc.document['center'],_pc.document['lside'],_pc.document['zscore'],_pc.document['maxiter'],_pc.document['fitspw'],_pc.document['excludechans'],_pc.document['wtrange'],_pc.document['flagbackup'],_pc.document['preview'],_pc.document['datacolumn'] ) 2026-10-14 03:41:57 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-14 03:41:57 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-14-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-14 03:41:57 INFO statwt::::casa+ rval = myms.statwt( 2026-10-14 03:41:57 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-14 03:41:57 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-14-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-14 03:41:57 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-14 03:41:57 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-14 03:41:57 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-14-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2646, in statwt 2026-10-14 03:41:57 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-14 03:41:57 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-14 03:41:57 INFO statwt::::casa+ RuntimeError: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-10-14 03:41:57 INFO statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const std::string&, const casac::variant&, bool, const casac::variant&, long int, const std::string&, double, const std::string&, bool, double, long int, const std::string&, bool, const std::vector >&, bool, const std::string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-10-14 03:41:57 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:56.812015 End time: 2026-10-14 03:41:57.323040 2026-10-14 03:41:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:57 INFO statwt::::casa ########################################## 2026-10-14 03:41:57 INFO statwt::::casa ########################################## 2026-10-14 03:41:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:57 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_0.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-14 03:41:57 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:57 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:41:57 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-14 03:41:57 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-14 03:41:58 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-10-14 03:41:58 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:58 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-14 03:41:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-10-14 03:41:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-10-14 03:41:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-10-14 03:41:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:58 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:57.328464 End time: 2026-10-14 03:41:58.058769 2026-10-14 03:41:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:58 INFO statwt::::casa ########################################## 2026-10-14 03:41:58 INFO name:: No table opened. 2026-10-14 03:41:58 INFO name:: No table opened. .2026-10-14 03:41:58 INFO statwt::::casa ########################################## 2026-10-14 03:41:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:58 INFO statwt::::casa statwt( vis='ngc5921.split.data.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='data' ) 2026-10-14 03:41:58 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:58 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:41:58 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-14 03:41:58 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-10-14 03:41:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:58 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:58 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-14 03:41:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-14 03:41:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-14 03:41:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:58 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:58.154671 End time: 2026-10-14 03:41:58.395087 2026-10-14 03:41:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:58 INFO statwt::::casa ########################################## 2026-10-14 03:41:59 INFO name:: No table opened. 2026-10-14 03:41:59 INFO name:: No table opened. .2026-10-14 03:41:59 INFO statwt::::casa ########################################## 2026-10-14 03:41:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:59 INFO statwt::::casa statwt( vis='ngc5921.split.normalbounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:59 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:59 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:41:59 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:59 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:59 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-14 03:41:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-14 03:41:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-14 03:41:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:59 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:58.681919 End time: 2026-10-14 03:41:58.917521 2026-10-14 03:41:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:59 INFO statwt::::casa ########################################## 2026-10-14 03:41:59 INFO statwt::::casa ########################################## 2026-10-14 03:41:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:59 INFO statwt::::casa statwt( vis='ngc5921.split.normalbounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,field', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:59 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:59 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:41:59 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:41:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:41:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:41:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:41:59 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:41:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:41:59 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-14 03:41:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:41:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-14 03:41:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-14 03:41:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:41:59 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:59.124044 End time: 2026-10-14 03:41:59.385880 2026-10-14 03:41:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:41:59 INFO statwt::::casa ########################################## 2026-10-14 03:41:59 INFO name:: No table opened. 2026-10-14 03:41:59 INFO name:: No table opened. .2026-10-14 03:41:59 INFO statwt::::casa ########################################## 2026-10-14 03:41:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:41:59 INFO statwt::::casa statwt( vis='ngc5921.split.fieldsel.ms', selectdata=True, field='2', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:41:59 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:41:59 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:41:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:00 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-14 03:42:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-14 03:42:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-14 03:42:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:00 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:59.485417 End time: 2026-10-14 03:41:59.644006 2026-10-14 03:42:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:00 INFO statwt::::casa ########################################## 2026-10-14 03:42:00 INFO statwt::::casa ########################################## 2026-10-14 03:42:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:00 INFO statwt::::casa statwt( vis='ngc5921.split.fieldsel.ms', selectdata=True, field='N5921_2', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:00 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:00 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:42:00 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-14 03:42:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-14 03:42:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-14 03:42:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:00 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:41:59.981078 End time: 2026-10-14 03:42:00.159084 2026-10-14 03:42:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:00 INFO statwt::::casa ########################################## 2026-10-14 03:42:00 INFO name:: No table opened. 2026-10-14 03:42:00 INFO name:: No table opened. .2026-10-14 03:42:00 INFO statwt::::casa ########################################## 2026-10-14 03:42:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:00 INFO statwt::::casa statwt( vis='ngc5921.split.minsamp.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=60, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:00 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:00 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:00 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:00 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-14 03:42:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-14 03:42:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-14 03:42:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:00 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:00.258417 End time: 2026-10-14 03:42:00.490867 2026-10-14 03:42:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:00 INFO statwt::::casa ########################################## 2026-10-14 03:42:01 INFO statwt::::casa ########################################## 2026-10-14 03:42:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:01 INFO statwt::::casa statwt( vis='ngc5921.split.minsamp.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=80, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:01 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:01 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:42:01 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:01 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-10-14 03:42:01 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:01 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-10-14 03:42:01 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-10-14 03:42:01 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:01 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:00.550551 End time: 2026-10-14 03:42:00.782080 2026-10-14 03:42:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:01 INFO statwt::::casa ########################################## 2026-10-14 03:42:01 INFO name:: No table opened. 2026-10-14 03:42:01 INFO name:: No table opened. .2026-10-14 03:42:01 INFO statwt::::casa ########################################## 2026-10-14 03:42:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:01 INFO statwt::::casa statwt( vis='statwt_test_vlass_timebin1.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-14 03:42:01 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:01 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:01 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-14 03:42:01 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-10-14 03:42:01 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-10-14 03:42:01 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-14 03:42:01 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-10-14 03:42:01 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-10-14 03:42:01 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:01 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:00.912150 End time: 2026-10-14 03:42:01.231403 2026-10-14 03:42:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:01 INFO statwt::::casa ########################################## 2026-10-14 03:42:02 INFO statwt::::casa ########################################## 2026-10-14 03:42:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:02 INFO statwt::::casa statwt( vis='statwt_test_vlass_timebin5s.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='5s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-14 03:42:02 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:02 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:02 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-14 03:42:02 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-10-14 03:42:02 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-14 03:42:02 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-10-14 03:42:02 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-10-14 03:42:02 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:02 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:01.546397 End time: 2026-10-14 03:42:01.886551 2026-10-14 03:42:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:02 INFO statwt::::casa ########################################## 2026-10-14 03:42:02 INFO name:: No table opened. 2026-10-14 03:42:02 INFO name:: No table opened. .2026-10-14 03:42:02 INFO statwt::::casa ########################################## 2026-10-14 03:42:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:02 INFO statwt::::casa statwt( vis='ngc5921.no_scan_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr, scan', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:02 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:02 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:02 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:02 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:02 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-10-14 03:42:02 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:02 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-10-14 03:42:02 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-10-14 03:42:02 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:02 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:02.096302 End time: 2026-10-14 03:42:02.357926 2026-10-14 03:42:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:02 INFO statwt::::casa ########################################## 2026-10-14 03:42:03 INFO name:: No table opened. 2026-10-14 03:42:03 INFO name:: No table opened. .2026-10-14 03:42:03 INFO statwt::::casa ########################################## 2026-10-14 03:42:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:03 INFO statwt::::casa statwt( vis='ngc5921.no_scan_nor_field_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,scan,field', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:03 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:03 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:03 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:03 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:03 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:03 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:03 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:03 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-14 03:42:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-14 03:42:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-14 03:42:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:03 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:02.661906 End time: 2026-10-14 03:42:02.880680 2026-10-14 03:42:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:03 INFO statwt::::casa ########################################## 2026-10-14 03:42:03 INFO statwt::::casa ########################################## 2026-10-14 03:42:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:03 INFO statwt::::casa statwt( vis='ngc5921.no_scan_nor_field_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,field,scan', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:03 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:03 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:03 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:42:03 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:03 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:03 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:03 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:03 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-14 03:42:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-14 03:42:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-14 03:42:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:03 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:03.077510 End time: 2026-10-14 03:42:03.278575 2026-10-14 03:42:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:03 INFO statwt::::casa ########################################## 2026-10-14 03:42:03 INFO name:: No table opened. 2026-10-14 03:42:03 INFO name:: No table opened. .2026-10-14 03:42:03 INFO statwt::::casa ########################################## 2026-10-14 03:42:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:03 INFO statwt::::casa statwt( vis='ngc5921.split.preview.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=True, datacolumn='corrected' ) 2026-10-14 03:42:03 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-10-14 03:42:03 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:04 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-10-14 03:42:04 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-14 03:42:04 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-14 03:42:04 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:04 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:04 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-14 03:42:04 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:04 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-14 03:42:04 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-14 03:42:04 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:04 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:03.401965 End time: 2026-10-14 03:42:03.554206 2026-10-14 03:42:04 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:04 INFO statwt::::casa ########################################## 2026-10-14 03:42:04 INFO name:: No table opened. 2026-10-14 03:42:04 INFO name:: No table opened. .2026-10-14 03:42:04 INFO statwt::::casa ########################################## 2026-10-14 03:42:04 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:04 INFO statwt::::casa statwt( vis='ngc5921.split.residualwmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual' ) 2026-10-14 03:42:04 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:04 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:04 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:04 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:04 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-14 03:42:04 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:04 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:04 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:04 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:04 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-14 03:42:04 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:04 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-14 03:42:04 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-14 03:42:04 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:04 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:03.615791 End time: 2026-10-14 03:42:03.953448 2026-10-14 03:42:04 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:04 INFO statwt::::casa ########################################## 2026-10-14 03:42:04 INFO name:: No table opened. 2026-10-14 03:42:04 INFO name:: No table opened. .2026-10-14 03:42:04 INFO statwt::::casa ########################################## 2026-10-14 03:42:04 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:04 INFO statwt::::casa statwt( vis='ngc5921.split.residualdatawmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-14 03:42:04 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:04 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:04 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:04 INFO StatWtColConfig::_determineFlags Updating the SIGMA/SIGMA_SPECTRUM values. WEIGHT/WEIGHT_SPECTRUM will not be recalculated as they are related to the values in the CORRECTED_DATA column. 2026-10-14 03:42:04 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-14 03:42:05 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:05 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:05 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:05 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:05 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-14 03:42:05 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:05 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-14 03:42:05 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-14 03:42:05 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:05 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:04.199036 End time: 2026-10-14 03:42:04.636407 2026-10-14 03:42:05 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:05 INFO statwt::::casa ########################################## 2026-10-14 03:42:05 INFO name:: No table opened. 2026-10-14 03:42:05 INFO name:: No table opened. .2026-10-14 03:42:05 INFO statwt::::casa ########################################## 2026-10-14 03:42:05 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:05 INFO statwt::::casa statwt( vis='ngc5921.split.residualdatawoutmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-14 03:42:05 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:05 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:05 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:05 INFO StatWtColConfig::_determineFlags Updating the SIGMA/SIGMA_SPECTRUM values. WEIGHT/WEIGHT_SPECTRUM will not be recalculated as they are related to the values in the CORRECTED_DATA column. 2026-10-14 03:42:05 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-14 03:42:05 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:05 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:05 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:05 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:05 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-14 03:42:05 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:05 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-14 03:42:05 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-14 03:42:05 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:05 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:04.862243 End time: 2026-10-14 03:42:05.209949 2026-10-14 03:42:05 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:05 INFO statwt::::casa ########################################## 2026-10-14 03:42:05 INFO name:: No table opened. 2026-10-14 03:42:05 INFO name:: No table opened. .2026-10-14 03:42:05 INFO statwt::::casa ########################################## 2026-10-14 03:42:05 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:05 INFO statwt::::casa statwt( vis='ngc5921.split.residualwoutmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual' ) 2026-10-14 03:42:05 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:05 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:05 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:05 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:05 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-14 03:42:06 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:06 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-14 03:42:06 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-14 03:42:06 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:06 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:05.384642 End time: 2026-10-14 03:42:05.717172 2026-10-14 03:42:06 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:06 INFO statwt::::casa ########################################## 2026-10-14 03:42:06 INFO name:: No table opened. 2026-10-14 03:42:06 INFO name:: No table opened. .2026-10-14 03:42:06 INFO statwt::::casa ########################################## 2026-10-14 03:42:06 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:06 INFO statwt::::casa statwt( vis='ngc5921.split.statstest.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:06 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:06 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:06 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:06 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:06 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-14 03:42:06 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:06 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-14 03:42:06 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-14 03:42:06 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:06 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:05.857271 End time: 2026-10-14 03:42:06.237918 2026-10-14 03:42:06 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:06 INFO statwt::::casa ########################################## 2026-10-14 03:42:06 INFO name:: No table opened. 2026-10-14 03:42:06 INFO name:: No table opened. .2026-10-14 03:42:06 INFO statwt::::casa ########################################## 2026-10-14 03:42:06 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:06 INFO statwt::::casa statwt( vis='ngc5921.split.scansel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='5', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:06 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:06 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:06 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:06 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:06 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:06 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-10-14 03:42:06 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:06 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-10-14 03:42:06 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-10-14 03:42:06 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:06 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:06.327167 End time: 2026-10-14 03:42:06.409313 2026-10-14 03:42:06 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:06 INFO statwt::::casa ########################################## 2026-10-14 03:42:07 INFO name:: No table opened. 2026-10-14 03:42:07 INFO name:: No table opened. .2026-10-14 03:42:07 INFO statwt::::casa ########################################## 2026-10-14 03:42:07 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:07 INFO statwt::::casa statwt( vis='ngc5921.split.sliding_time_window.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin='300s', slidetimebin=True, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:07 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:07 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:07 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:07 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:07 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:07 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:07 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:07 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:07 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:07 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-10-14 03:42:07 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:07 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-10-14 03:42:07 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-10-14 03:42:07 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:07 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:06.608912 End time: 2026-10-14 03:42:06.998650 2026-10-14 03:42:07 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:07 INFO statwt::::casa ########################################## 2026-10-14 03:42:07 INFO name:: No table opened. 2026-10-14 03:42:07 INFO name:: No table opened. .2026-10-14 03:42:07 INFO statwt::::casa ########################################## 2026-10-14 03:42:07 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:07 INFO statwt::::casa statwt( vis='ngc5921.split.sliding_time_window.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=5, slidetimebin=True, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:07 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:07 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:07 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:42:07 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:07 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:08 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:08 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:08 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:08 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:08 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-10-14 03:42:08 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:08 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-10-14 03:42:08 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-10-14 03:42:08 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:08 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:07.377356 End time: 2026-10-14 03:42:07.776941 2026-10-14 03:42:08 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:08 INFO statwt::::casa ########################################## 2026-10-14 03:42:08 INFO statwt::::casa ########################################## 2026-10-14 03:42:08 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:08 INFO statwt::::casa statwt( vis='ngc5921.split.sliding_time_window.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=6, slidetimebin=True, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:08 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:08 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:08 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-14 03:42:08 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:08 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:09 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:09 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:09 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:09 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:09 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-10-14 03:42:09 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:09 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-10-14 03:42:09 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-10-14 03:42:09 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:09 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:08.236806 End time: 2026-10-14 03:42:08.620330 2026-10-14 03:42:09 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:09 INFO statwt::::casa ########################################## 2026-10-14 03:42:09 INFO name:: No table opened. 2026-10-14 03:42:09 INFO name:: No table opened. .2026-10-14 03:42:09 INFO statwt::::casa ########################################## 2026-10-14 03:42:09 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:09 INFO statwt::::casa statwt( vis='ngc5921.split.spwsel.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:09 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:09 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:09 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:09 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:09 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:09 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:09 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:09 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:09 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:09 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-14 03:42:09 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:09 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-14 03:42:09 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-14 03:42:09 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:09 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:08.925420 End time: 2026-10-14 03:42:09.210635 2026-10-14 03:42:09 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:09 INFO statwt::::casa ########################################## 2026-10-14 03:42:09 INFO name:: No table opened. 2026-10-14 03:42:09 INFO name:: No table opened. .2026-10-14 03:42:09 INFO statwt::::casa ########################################## 2026-10-14 03:42:09 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:09 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='cl', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:09 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:09 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:09 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:09 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:09 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:10 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:10 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:10 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:10 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:10 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-14 03:42:10 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:10 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-14 03:42:10 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-14 03:42:10 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:10 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:09.313151 End time: 2026-10-14 03:42:09.689677 2026-10-14 03:42:10 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:10 INFO statwt::::casa ########################################## 2026-10-14 03:42:10 INFO statwt::::casa ########################################## 2026-10-14 03:42:10 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:10 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='ch', fence=-1.0, center='mean', lside=True, zscore=5.0, maxiter=3, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:10 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:10 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:10 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:42:10 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:10 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:10 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:10 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:10 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:10 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:10 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-10-14 03:42:10 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:10 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-10-14 03:42:10 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-10-14 03:42:10 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:10 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:09.750582 End time: 2026-10-14 03:42:10.266141 2026-10-14 03:42:10 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:10 INFO statwt::::casa ########################################## 2026-10-14 03:42:10 INFO statwt::::casa ########################################## 2026-10-14 03:42:10 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:10 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='h', fence=0.2, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:10 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:10 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:10 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-14 03:42:10 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:10 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:11 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:11 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:11 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:11 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:11 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-10-14 03:42:11 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:11 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-10-14 03:42:11 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-10-14 03:42:11 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:11 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:10.308969 End time: 2026-10-14 03:42:10.812642 2026-10-14 03:42:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:11 INFO statwt::::casa ########################################## 2026-10-14 03:42:11 INFO statwt::::casa ########################################## 2026-10-14 03:42:11 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:11 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='f', fence=-1.0, center='median', lside=False, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:11 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:11 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:11 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-14 03:42:11 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:11 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:11 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:11 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:11 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:11 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:11 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-10-14 03:42:11 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:11 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-10-14 03:42:11 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-10-14 03:42:11 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:11 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:10.874550 End time: 2026-10-14 03:42:11.366075 2026-10-14 03:42:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:11 INFO statwt::::casa ########################################## 2026-10-14 03:42:11 INFO statwt::::casa ########################################## 2026-10-14 03:42:11 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:11 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='bogus', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:11 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:11 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:11 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-14 03:42:11 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:11 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-14 03:42:11 SEVERE statwt::::casa Exception Reported: Error in statwt: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-14 03:42:11 INFO statwt::::casa Traceback (most recent call last): 2026-10-14 03:42:11 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-14-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-14 03:42:11 INFO statwt::::casa+ task_result = _statwt_t( _pc.document['vis'],_pc.document['selectdata'],_pc.document['field'],_pc.document['spw'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['scan'],_pc.document['combine'],_pc.document['timebin'],_pc.document['slidetimebin'],_pc.document['chanbin'],_pc.document['minsamp'],_pc.document['statalg'],_pc.document['fence'],_pc.document['center'],_pc.document['lside'],_pc.document['zscore'],_pc.document['maxiter'],_pc.document['fitspw'],_pc.document['excludechans'],_pc.document['wtrange'],_pc.document['flagbackup'],_pc.document['preview'],_pc.document['datacolumn'] ) 2026-10-14 03:42:11 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-14 03:42:11 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-14-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-14 03:42:11 INFO statwt::::casa+ rval = myms.statwt( 2026-10-14 03:42:11 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-14 03:42:11 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-14-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-14 03:42:11 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-14 03:42:11 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-14 03:42:11 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-14-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2646, in statwt 2026-10-14 03:42:11 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-14 03:42:11 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-14 03:42:11 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-14 03:42:11 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:11.404128 End time: 2026-10-14 03:42:11.454686 2026-10-14 03:42:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:11 INFO statwt::::casa ########################################## 2026-10-14 03:42:11 INFO name:: No table opened. 2026-10-14 03:42:11 INFO name:: No table opened. .2026-10-14 03:42:11 INFO statwt::::casa ########################################## 2026-10-14 03:42:11 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:11 INFO statwt::::casa statwt( vis='ngc5921.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:11 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:11 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:12 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:12 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:12 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:12 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:12 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:12 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:12 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:12 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-14 03:42:12 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:12 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-14 03:42:12 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-14 03:42:12 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:12 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:11.493415 End time: 2026-10-14 03:42:11.741891 2026-10-14 03:42:12 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:12 INFO statwt::::casa ########################################## 2026-10-14 03:42:12 INFO statwt::::casa ########################################## 2026-10-14 03:42:12 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:12 INFO statwt::::casa statwt( vis='ngc5921.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=10, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:12 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:12 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:12 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:42:12 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:12 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:12 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-14 03:42:12 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-14 03:42:12 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:12 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:12 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-10-14 03:42:12 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:12 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-10-14 03:42:12 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-10-14 03:42:12 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:12 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:12.138376 End time: 2026-10-14 03:42:12.434850 2026-10-14 03:42:12 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:12 INFO statwt::::casa ########################################## 2026-10-14 03:42:13 INFO name:: No table opened. 2026-10-14 03:42:13 INFO name:: No table opened. .2026-10-14 03:42:13 INFO statwt::::casa ########################################## 2026-10-14 03:42:13 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:13 INFO statwt::::casa statwt( vis='ngc5921.wtrange.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:13 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:13 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:13 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-14 03:42:13 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:13 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:13 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-14 03:42:13 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-14 03:42:13 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:13 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:13 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-14 03:42:13 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:13 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-14 03:42:13 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-14 03:42:13 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:13 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:12.753733 End time: 2026-10-14 03:42:12.996521 2026-10-14 03:42:13 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:13 INFO statwt::::casa ########################################## 2026-10-14 03:42:13 INFO statwt::::casa ########################################## 2026-10-14 03:42:13 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-14 03:42:13 INFO statwt::::casa statwt( vis='ngc5921.wtrange.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-14 03:42:13 INFO statwt::::casa Backup original flags before applying new flags 2026-10-14 03:42:13 INFO AgentFlagger::open Table type is Measurement Set 2026-10-14 03:42:13 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-14 03:42:14 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-14 03:42:14 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-14 03:42:14 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-14 03:42:14 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-14 03:42:14 INFO StatWtTVI::summarizeFlagging 2026-10-14 03:42:14 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-14 03:42:14 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-14 03:42:14 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-14 03:42:14 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-14 03:42:14 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-14 03:42:14 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-14 03:42:14 INFO statwt::::casa Task statwt complete. Start time: 2026-10-14 03:42:13.466924 End time: 2026-10-14 03:42:13.711430 2026-10-14 03:42:14 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-14 03:42:14 INFO statwt::::casa ########################################## 2026-10-14 03:42:14 INFO name:: No table opened. 2026-10-14 03:42:14 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 31.369s OK Generating XML reports...