2026-10-16 04:02:52 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-10-16 04:02:52 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.7-15-py3.12.el9/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-10-16 04:02:52 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-10-16 04:02:52 INFO ::casa 2026-10-16 04:02:52 INFO ::casa config values 2026-10-16 04:02:52 INFO ::casa agg = False 2026-10-16 04:02:52 INFO ::casa cachedir = '/home/casatest/.casa' 2026-10-16 04:02:52 INFO ::casa casaconfig_verbose = 1 2026-10-16 04:02:52 INFO ::casa colors = 'Neutral' 2026-10-16 04:02:52 INFO ::casa data_auto_update = False 2026-10-16 04:02:52 INFO ::casa data_update_interval = 1 2026-10-16 04:02:52 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-10-16 04:02:52 INFO ::casa iplog = False 2026-10-16 04:02:52 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20261016-040247.log' 2026-10-16 04:02:52 INFO ::casa log2term = True 2026-10-16 04:02:52 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20261016-040247.log' 2026-10-16 04:02:52 INFO ::casa measures_auto_update = False 2026-10-16 04:02:52 INFO ::casa measures_site = ['https://iers.astron.nl/', 'https://go.nrao.edu/iers/'] 2026-10-16 04:02:52 INFO ::casa measures_site_interval = 2 2026-10-16 04:02:52 INFO ::casa measures_update_interval = 1 2026-10-16 04:02:52 INFO ::casa measurespath = '/opt/casa/data/master' 2026-10-16 04:02:52 INFO ::casa nogui = False 2026-10-16 04:02:52 INFO ::casa nologfile = False 2026-10-16 04:02:52 INFO ::casa nologger = True 2026-10-16 04:02:52 INFO ::casa pipeline = False 2026-10-16 04:02:52 INFO ::casa skipnetworkcheck = False 2026-10-16 04:02:52 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-10-16 04:02:52 INFO ::casa user_site = False 2026-10-16 04:02:52 INFO ::casa 2026-10-16 04:02:52 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-16 04:02:52 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-16 04:02:52 INFO ::casa 2026-10-16 04:02:52 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-10-16 04:02:52 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/10/15/15:15, 2026/09/15/00:00:00 2026-10-16 04:02:52 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/10/15/15:15, 2026/09/15/00:00:00 2026-10-16 04:02:52 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/10/15/15:15, 2027/01/13/00:00:00 2026-10-16 04:02:52 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 6.7.7.15 -- Common Astronomy Software Applications [6.7.7.15] 2026-10-16 04:02:53 INFO statwt::::casa ########################################## 2026-10-16 04:02:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:02:53 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' ) 2026-10-16 04:02:53 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:02:53 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:02:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:02:53 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. 2026-10-16 04:02:53 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:02:53 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:02:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:02:53 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:02:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:02:53 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-16 04:02:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-16 04:02:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-16 04:02:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-16 04:02:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:02:53 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:02:52.717041 End time: 2026-10-16 04:02:53.164177 2026-10-16 04:02:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:02:53 INFO statwt::::casa ########################################## 2026-10-16 04:02:54 INFO statwt::::casa ########################################## 2026-10-16 04:02:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:02:54 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' ) 2026-10-16 04:02:54 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:02:54 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:02:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:02:54 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. 2026-10-16 04:02:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:02:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:02:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:02:54 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:02:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:02:54 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-16 04:02:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:02:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-16 04:02:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-16 04:02:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:02:54 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:02:53.550908 End time: 2026-10-16 04:02:53.984952 2026-10-16 04:02:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:02:54 INFO statwt::::casa ########################################## 2026-10-16 04:02:54 INFO statwt::::casa ########################################## 2026-10-16 04:02:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:02:54 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' ) 2026-10-16 04:02:54 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:02:54 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:02:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-16 04:02:54 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. 2026-10-16 04:02:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:02:55 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:02:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:02:55 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:02:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:02:55 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-16 04:02:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-16 04:02:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-16 04:02:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-16 04:02:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:02:55 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:02:54.311049 End time: 2026-10-16 04:02:54.713456 2026-10-16 04:02:55 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:02:55 INFO statwt::::casa ########################################## 2026-10-16 04:02:55 INFO statwt::::casa ########################################## 2026-10-16 04:02:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:02:55 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' ) 2026-10-16 04:02:55 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:02:55 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:02:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-16 04:02:55 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. 2026-10-16 04:02:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:02:55 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:02:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:02:55 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:02:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:02:55 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-16 04:02:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-16 04:02:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-16 04:02:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-16 04:02:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:02:55 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:02:54.848927 End time: 2026-10-16 04:02:55.100155 2026-10-16 04:02:55 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:02:55 INFO statwt::::casa ########################################## 2026-10-16 04:02:55 INFO statwt::::casa ########################################## 2026-10-16 04:02:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:02:55 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' ) 2026-10-16 04:02:55 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:02:55 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:02:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-16 04:02:55 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. 2026-10-16 04:02:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:02:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:02:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:02:56 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:02:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:02:56 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-16 04:02:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:02:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-16 04:02:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-16 04:02:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:02:56 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:02:55.418932 End time: 2026-10-16 04:02:55.711446 2026-10-16 04:02:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:02:56 INFO statwt::::casa ########################################## 2026-10-16 04:02:56 INFO statwt::::casa ########################################## 2026-10-16 04:02:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:02:56 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' ) 2026-10-16 04:02:56 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:02:56 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:02:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-16 04:02:56 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. 2026-10-16 04:02:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:02:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:02:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:02:56 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:02:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:02:56 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-16 04:02:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-16 04:02:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-16 04:02:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-16 04:02:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:02:56 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:02:55.918228 End time: 2026-10-16 04:02:56.225178 2026-10-16 04:02:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:02:56 INFO statwt::::casa ########################################## 2026-10-16 04:02:56 INFO name:: No table opened. 2026-10-16 04:02:56 INFO name:: No table opened. .2026-10-16 04:02:56 INFO statwt::::casa ########################################## 2026-10-16 04:02:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:02:56 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' ) 2026-10-16 04:02:56 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:02:56 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:02:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:02:56 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. 2026-10-16 04:02:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:02:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:02:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:02:57 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:02:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:02:57 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-16 04:02:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:02:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-16 04:02:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-16 04:02:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:02:57 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:02:56.322691 End time: 2026-10-16 04:02:57.360841 2026-10-16 04:02:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:02:57 INFO statwt::::casa ########################################## 2026-10-16 04:02:57 INFO statwt::::casa ########################################## 2026-10-16 04:02:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:02:57 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' ) 2026-10-16 04:02:57 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:02:57 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:02:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:02:57 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. 2026-10-16 04:02:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:02:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:02:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:02:59 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:02:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:02:59 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-16 04:02:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:02:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-16 04:02:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-16 04:02:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:02:59 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:02:57.398562 End time: 2026-10-16 04:02:58.530123 2026-10-16 04:02:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:02:59 INFO statwt::::casa ########################################## 2026-10-16 04:02:59 INFO statwt::::casa ########################################## 2026-10-16 04:02:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:02:59 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' ) 2026-10-16 04:02:59 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:02:59 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:02:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-16 04:02:59 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. 2026-10-16 04:02:59 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-16 04:02:59 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-16 04:02:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:00 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:00 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-16 04:03:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-16 04:03:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-16 04:03:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:00 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:02:58.578640 End time: 2026-10-16 04:02:59.713562 2026-10-16 04:03:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:00 INFO statwt::::casa ########################################## 2026-10-16 04:03:00 INFO statwt::::casa ########################################## 2026-10-16 04:03:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:00 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' ) 2026-10-16 04:03:00 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:00 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-16 04:03:00 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. 2026-10-16 04:03:00 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-16 04:03:00 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-16 04:03:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:01 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:01 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:01 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:01 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:01 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-16 04:03:01 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:01 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-16 04:03:01 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-16 04:03:01 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:01 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:02:59.760992 End time: 2026-10-16 04:03:00.892784 2026-10-16 04:03:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:01 INFO statwt::::casa ########################################## 2026-10-16 04:03:01 INFO statwt::::casa ########################################## 2026-10-16 04:03:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:01 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' ) 2026-10-16 04:03:01 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:01 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-16 04:03:01 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. 2026-10-16 04:03:01 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:02 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:02 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:02 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:02 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:02 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-16 04:03:02 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:02 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-16 04:03:02 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-16 04:03:02 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:02 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:00.935878 End time: 2026-10-16 04:03:01.587429 2026-10-16 04:03:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:02 INFO statwt::::casa ########################################## 2026-10-16 04:03:02 INFO statwt::::casa ########################################## 2026-10-16 04:03:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:02 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' ) 2026-10-16 04:03:02 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:02 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-16 04:03:02 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. 2026-10-16 04:03:02 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:02 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:02 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:02 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:02 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:02 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-16 04:03:02 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:02 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-16 04:03:02 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-16 04:03:02 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:02 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:01.629525 End time: 2026-10-16 04:03:02.300190 2026-10-16 04:03:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:02 INFO statwt::::casa ########################################## 2026-10-16 04:03:02 INFO statwt::::casa ########################################## 2026-10-16 04:03:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:02 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' ) 2026-10-16 04:03:02 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:02 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-10-16 04:03:02 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. 2026-10-16 04:03:02 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-16 04:03:02 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-16 04:03:02 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:03 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:03 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:03 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-16 04:03:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-16 04:03:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-16 04:03:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:03 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:02.345550 End time: 2026-10-16 04:03:03.007708 2026-10-16 04:03:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:03 INFO statwt::::casa ########################################## 2026-10-16 04:03:03 INFO name:: No table opened. 2026-10-16 04:03:03 INFO name:: No table opened. .2026-10-16 04:03:05 INFO statwt::::casa ########################################## 2026-10-16 04:03:05 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:05 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' ) 2026-10-16 04:03:05 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:05 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:05 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:05 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. 2026-10-16 04:03:05 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-16 04:03:05 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-16 04:03:06 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-16 04:03:07 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:07 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-16 04:03:07 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:07 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:07 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-16 04:03:07 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-10-16 04:03:07 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-16 04:03:07 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-10-16 04:03:07 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-10-16 04:03:07 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:07 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:04.917358 End time: 2026-10-16 04:03:06.959843 2026-10-16 04:03:07 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:07 INFO statwt::::casa ########################################## 2026-10-16 04:03:07 INFO statwt::::casa ########################################## 2026-10-16 04:03:07 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:07 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' ) 2026-10-16 04:03:07 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:07 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:07 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:07 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. 2026-10-16 04:03:07 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-16 04:03:07 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-16 04:03:08 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. 2026-10-16 04:03:08 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 2026-10-16 04:03:08 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. 2026-10-16 04:03:08 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 2026-10-16 04:03:08 INFO statwt::::casa Traceback (most recent call last): 2026-10-16 04:03:08 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-15-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-16 04:03:08 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'] ) 2026-10-16 04:03:08 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-16 04:03:08 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-15-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-16 04:03:08 INFO statwt::::casa+ rval = myms.statwt( 2026-10-16 04:03:08 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-16 04:03:08 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-15-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-16 04:03:08 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-16 04:03:08 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-16 04:03:08 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-15-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2646, in statwt 2026-10-16 04:03:08 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-16 04:03:08 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-16 04:03:08 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. 2026-10-16 04:03:08 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 2026-10-16 04:03:08 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:07.304646 End time: 2026-10-16 04:03:07.837202 2026-10-16 04:03:08 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:08 INFO statwt::::casa ########################################## 2026-10-16 04:03:08 INFO statwt::::casa ########################################## 2026-10-16 04:03:08 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:08 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' ) 2026-10-16 04:03:08 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:08 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:08 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:03:08 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. 2026-10-16 04:03:08 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-16 04:03:08 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:08 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-10-16 04:03:08 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:08 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:08 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-16 04:03:08 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-10-16 04:03:08 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-10-16 04:03:08 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-10-16 04:03:08 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:09 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:07.839617 End time: 2026-10-16 04:03:08.516533 2026-10-16 04:03:09 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:09 INFO statwt::::casa ########################################## 2026-10-16 04:03:09 INFO name:: No table opened. 2026-10-16 04:03:09 INFO name:: No table opened. .2026-10-16 04:03:09 INFO statwt::::casa ########################################## 2026-10-16 04:03:09 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:09 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' ) 2026-10-16 04:03:09 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:09 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:09 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:09 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. 2026-10-16 04:03:09 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-10-16 04:03:09 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:09 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:09 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:09 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:09 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-16 04:03:09 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:09 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-16 04:03:09 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-16 04:03:09 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:09 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:08.624573 End time: 2026-10-16 04:03:08.908029 2026-10-16 04:03:09 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:09 INFO statwt::::casa ########################################## 2026-10-16 04:03:09 INFO name:: No table opened. 2026-10-16 04:03:09 INFO name:: No table opened. .2026-10-16 04:03:09 INFO statwt::::casa ########################################## 2026-10-16 04:03:09 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:09 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' ) 2026-10-16 04:03:09 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:09 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:09 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:09 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. 2026-10-16 04:03:09 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:09 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:09 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:09 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:09 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:09 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-16 04:03:09 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:09 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-16 04:03:09 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-16 04:03:09 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:09 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:09.227974 End time: 2026-10-16 04:03:09.471589 2026-10-16 04:03:09 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:09 INFO statwt::::casa ########################################## 2026-10-16 04:03:10 INFO statwt::::casa ########################################## 2026-10-16 04:03:10 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:10 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' ) 2026-10-16 04:03:10 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:10 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:10 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:03:10 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. 2026-10-16 04:03:10 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:10 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:10 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:10 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:10 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:10 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-16 04:03:10 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:10 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-16 04:03:10 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-16 04:03:10 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:10 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:09.606595 End time: 2026-10-16 04:03:09.841038 2026-10-16 04:03:10 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:10 INFO statwt::::casa ########################################## 2026-10-16 04:03:10 INFO name:: No table opened. 2026-10-16 04:03:10 INFO name:: No table opened. .2026-10-16 04:03:10 INFO statwt::::casa ########################################## 2026-10-16 04:03:10 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:10 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' ) 2026-10-16 04:03:10 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:10 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:10 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:10 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. 2026-10-16 04:03:10 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:10 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:10 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-16 04:03:10 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:10 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:10 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-16 04:03:10 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:10 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-16 04:03:10 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-16 04:03:10 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:10 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:09.955562 End time: 2026-10-16 04:03:10.128353 2026-10-16 04:03:10 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:10 INFO statwt::::casa ########################################## 2026-10-16 04:03:10 INFO statwt::::casa ########################################## 2026-10-16 04:03:10 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:10 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' ) 2026-10-16 04:03:10 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:10 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:10 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:03:11 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. 2026-10-16 04:03:11 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-16 04:03:11 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:11 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-16 04:03:11 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-16 04:03:11 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:11 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:10.477549 End time: 2026-10-16 04:03:10.693719 2026-10-16 04:03:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:11 INFO statwt::::casa ########################################## 2026-10-16 04:03:11 INFO name:: No table opened. 2026-10-16 04:03:11 INFO name:: No table opened. .2026-10-16 04:03:11 INFO statwt::::casa ########################################## 2026-10-16 04:03:11 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:11 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' ) 2026-10-16 04:03:11 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:11 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:11 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:11 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. 2026-10-16 04:03:11 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-16 04:03:11 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:11 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-16 04:03:11 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-16 04:03:11 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:11 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:10.800525 End time: 2026-10-16 04:03:11.063741 2026-10-16 04:03:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:11 INFO statwt::::casa ########################################## 2026-10-16 04:03:11 INFO statwt::::casa ########################################## 2026-10-16 04:03:11 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:11 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' ) 2026-10-16 04:03:11 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:11 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:11 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:03:11 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. 2026-10-16 04:03:11 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:11 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-10-16 04:03:11 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:11 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-10-16 04:03:11 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-10-16 04:03:11 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:11 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:11.158909 End time: 2026-10-16 04:03:11.414748 2026-10-16 04:03:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:11 INFO statwt::::casa ########################################## 2026-10-16 04:03:11 INFO name:: No table opened. 2026-10-16 04:03:11 INFO name:: No table opened. .2026-10-16 04:03:12 INFO statwt::::casa ########################################## 2026-10-16 04:03:12 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:12 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' ) 2026-10-16 04:03:12 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:12 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:12 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:12 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. 2026-10-16 04:03:12 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-16 04:03:12 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:12 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-16 04:03:12 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:12 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:12 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-10-16 04:03:12 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-10-16 04:03:12 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-16 04:03:12 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-10-16 04:03:12 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-10-16 04:03:12 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:12 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:11.554940 End time: 2026-10-16 04:03:11.871283 2026-10-16 04:03:12 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:12 INFO statwt::::casa ########################################## 2026-10-16 04:03:12 INFO statwt::::casa ########################################## 2026-10-16 04:03:12 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:12 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' ) 2026-10-16 04:03:12 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:12 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:12 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:12 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. 2026-10-16 04:03:12 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-10-16 04:03:13 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-16 04:03:13 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-10-16 04:03:13 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-10-16 04:03:13 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:13 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:12.188851 End time: 2026-10-16 04:03:12.558319 2026-10-16 04:03:13 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:13 INFO statwt::::casa ########################################## 2026-10-16 04:03:13 INFO name:: No table opened. 2026-10-16 04:03:13 INFO name:: No table opened. .2026-10-16 04:03:13 INFO statwt::::casa ########################################## 2026-10-16 04:03:13 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:13 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' ) 2026-10-16 04:03:13 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:13 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:13 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:13 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. 2026-10-16 04:03:13 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:13 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-10-16 04:03:13 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:13 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-10-16 04:03:13 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-10-16 04:03:13 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:13 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:12.855079 End time: 2026-10-16 04:03:13.081039 2026-10-16 04:03:13 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:13 INFO statwt::::casa ########################################## 2026-10-16 04:03:13 INFO name:: No table opened. 2026-10-16 04:03:13 INFO name:: No table opened. .2026-10-16 04:03:13 INFO statwt::::casa ########################################## 2026-10-16 04:03:13 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:13 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' ) 2026-10-16 04:03:13 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:13 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:13 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:14 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. 2026-10-16 04:03:14 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-16 04:03:14 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:14 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-16 04:03:14 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-16 04:03:14 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:14 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:13.455625 End time: 2026-10-16 04:03:13.676797 2026-10-16 04:03:14 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:14 INFO statwt::::casa ########################################## 2026-10-16 04:03:14 INFO statwt::::casa ########################################## 2026-10-16 04:03:14 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:14 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' ) 2026-10-16 04:03:14 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:14 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:14 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:03:14 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. 2026-10-16 04:03:14 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-16 04:03:14 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:14 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-16 04:03:14 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-16 04:03:14 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:14 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:13.938566 End time: 2026-10-16 04:03:14.160566 2026-10-16 04:03:14 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:14 INFO statwt::::casa ########################################## 2026-10-16 04:03:14 INFO name:: No table opened. 2026-10-16 04:03:14 INFO name:: No table opened. .2026-10-16 04:03:14 INFO statwt::::casa ########################################## 2026-10-16 04:03:14 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:14 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' ) 2026-10-16 04:03:14 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-10-16 04:03:14 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:14 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:14 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-16 04:03:14 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:14 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-16 04:03:14 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-16 04:03:14 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:14 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:14.307372 End time: 2026-10-16 04:03:14.494777 2026-10-16 04:03:14 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:14 INFO statwt::::casa ########################################## 2026-10-16 04:03:15 INFO name:: No table opened. 2026-10-16 04:03:15 INFO name:: No table opened. .2026-10-16 04:03:15 INFO statwt::::casa ########################################## 2026-10-16 04:03:15 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:15 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' ) 2026-10-16 04:03:15 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:15 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:15 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:15 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. 2026-10-16 04:03:15 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-16 04:03:15 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:15 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:15 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:15 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:15 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-16 04:03:15 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:15 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-16 04:03:15 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-16 04:03:15 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:15 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:14.563334 End time: 2026-10-16 04:03:14.963731 2026-10-16 04:03:15 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:15 INFO statwt::::casa ########################################## 2026-10-16 04:03:15 INFO name:: No table opened. 2026-10-16 04:03:15 INFO name:: No table opened. .2026-10-16 04:03:15 INFO statwt::::casa ########################################## 2026-10-16 04:03:15 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:15 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' ) 2026-10-16 04:03:15 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:15 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:15 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:15 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. 2026-10-16 04:03:15 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-16 04:03:16 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:16 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:16 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:16 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:16 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-16 04:03:16 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:16 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-16 04:03:16 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-16 04:03:16 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:16 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:15.199147 End time: 2026-10-16 04:03:15.575891 2026-10-16 04:03:16 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:16 INFO statwt::::casa ########################################## 2026-10-16 04:03:16 INFO name:: No table opened. 2026-10-16 04:03:16 INFO name:: No table opened. .2026-10-16 04:03:16 INFO statwt::::casa ########################################## 2026-10-16 04:03:16 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:16 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' ) 2026-10-16 04:03:16 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:16 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:16 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:16 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. 2026-10-16 04:03:16 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-16 04:03:16 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:16 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:16 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:16 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:16 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-16 04:03:16 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:16 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-16 04:03:16 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-16 04:03:16 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:16 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:15.826664 End time: 2026-10-16 04:03:16.197545 2026-10-16 04:03:16 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:16 INFO statwt::::casa ########################################## 2026-10-16 04:03:16 INFO name:: No table opened. 2026-10-16 04:03:16 INFO name:: No table opened. .2026-10-16 04:03:16 INFO statwt::::casa ########################################## 2026-10-16 04:03:16 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:16 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' ) 2026-10-16 04:03:16 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:16 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:16 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:16 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. 2026-10-16 04:03:16 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-16 04:03:17 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:17 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-16 04:03:17 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-16 04:03:17 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:17 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:16.375739 End time: 2026-10-16 04:03:16.725161 2026-10-16 04:03:17 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:17 INFO statwt::::casa ########################################## 2026-10-16 04:03:17 INFO name:: No table opened. 2026-10-16 04:03:17 INFO name:: No table opened. .2026-10-16 04:03:17 INFO statwt::::casa ########################################## 2026-10-16 04:03:17 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:17 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' ) 2026-10-16 04:03:17 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:17 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:17 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:17 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. 2026-10-16 04:03:17 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-16 04:03:17 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:17 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-16 04:03:17 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-16 04:03:17 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:17 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:16.970065 End time: 2026-10-16 04:03:17.317042 2026-10-16 04:03:17 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:17 INFO statwt::::casa ########################################## 2026-10-16 04:03:17 INFO name:: No table opened. 2026-10-16 04:03:17 INFO name:: No table opened. .2026-10-16 04:03:17 INFO statwt::::casa ########################################## 2026-10-16 04:03:17 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:17 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' ) 2026-10-16 04:03:17 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:17 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:17 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:17 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. 2026-10-16 04:03:17 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:17 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-10-16 04:03:17 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:17 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-10-16 04:03:17 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-10-16 04:03:17 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:17 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:17.393905 End time: 2026-10-16 04:03:17.479780 2026-10-16 04:03:17 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:17 INFO statwt::::casa ########################################## 2026-10-16 04:03:18 INFO name:: No table opened. 2026-10-16 04:03:18 INFO name:: No table opened. .2026-10-16 04:03:18 INFO statwt::::casa ########################################## 2026-10-16 04:03:18 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:18 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' ) 2026-10-16 04:03:18 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:18 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:18 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:18 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. 2026-10-16 04:03:18 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:18 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:18 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:18 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:18 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:18 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-10-16 04:03:18 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:18 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-10-16 04:03:18 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-10-16 04:03:18 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:18 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:17.726734 End time: 2026-10-16 04:03:18.185794 2026-10-16 04:03:18 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:18 INFO statwt::::casa ########################################## 2026-10-16 04:03:19 INFO name:: No table opened. 2026-10-16 04:03:19 INFO name:: No table opened. .2026-10-16 04:03:19 INFO statwt::::casa ########################################## 2026-10-16 04:03:19 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:19 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' ) 2026-10-16 04:03:19 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:19 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:19 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:03:19 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. 2026-10-16 04:03:19 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:19 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:19 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:19 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:19 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:19 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-10-16 04:03:19 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:19 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-10-16 04:03:19 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-10-16 04:03:19 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:19 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:18.549666 End time: 2026-10-16 04:03:18.935195 2026-10-16 04:03:19 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:19 INFO statwt::::casa ########################################## 2026-10-16 04:03:19 INFO statwt::::casa ########################################## 2026-10-16 04:03:19 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:19 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' ) 2026-10-16 04:03:19 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:19 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:19 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-16 04:03:19 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. 2026-10-16 04:03:19 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:20 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:20 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:20 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:20 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:20 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-10-16 04:03:20 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:20 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-10-16 04:03:20 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-10-16 04:03:20 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:20 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:19.419897 End time: 2026-10-16 04:03:19.808303 2026-10-16 04:03:20 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:20 INFO statwt::::casa ########################################## 2026-10-16 04:03:20 INFO name:: No table opened. 2026-10-16 04:03:20 INFO name:: No table opened. .2026-10-16 04:03:20 INFO statwt::::casa ########################################## 2026-10-16 04:03:20 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:20 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' ) 2026-10-16 04:03:20 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:20 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:20 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:20 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. 2026-10-16 04:03:20 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:20 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:20 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:20 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:20 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:20 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-16 04:03:20 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:20 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-16 04:03:20 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-16 04:03:20 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:20 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:20.120644 End time: 2026-10-16 04:03:20.388594 2026-10-16 04:03:20 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:20 INFO statwt::::casa ########################################## 2026-10-16 04:03:20 INFO name:: No table opened. 2026-10-16 04:03:20 INFO name:: No table opened. .2026-10-16 04:03:21 INFO statwt::::casa ########################################## 2026-10-16 04:03:21 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:21 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' ) 2026-10-16 04:03:21 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:21 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:21 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:21 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. 2026-10-16 04:03:21 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:21 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:21 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:21 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:21 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:21 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-16 04:03:21 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:21 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-16 04:03:21 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-16 04:03:21 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:21 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:20.502311 End time: 2026-10-16 04:03:20.863451 2026-10-16 04:03:21 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:21 INFO statwt::::casa ########################################## 2026-10-16 04:03:21 INFO statwt::::casa ########################################## 2026-10-16 04:03:21 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:21 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' ) 2026-10-16 04:03:21 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:21 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:21 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:03:21 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. 2026-10-16 04:03:21 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:21 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:21 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:21 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:21 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:21 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-10-16 04:03:21 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:21 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-10-16 04:03:21 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-10-16 04:03:21 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:21 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:20.932094 End time: 2026-10-16 04:03:21.400983 2026-10-16 04:03:21 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:21 INFO statwt::::casa ########################################## 2026-10-16 04:03:21 INFO statwt::::casa ########################################## 2026-10-16 04:03:21 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:21 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' ) 2026-10-16 04:03:21 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:21 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:21 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-16 04:03:21 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. 2026-10-16 04:03:21 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:22 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:22 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:22 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:22 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:22 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-10-16 04:03:22 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:22 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-10-16 04:03:22 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-10-16 04:03:22 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:22 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:21.442206 End time: 2026-10-16 04:03:21.893496 2026-10-16 04:03:22 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:22 INFO statwt::::casa ########################################## 2026-10-16 04:03:22 INFO statwt::::casa ########################################## 2026-10-16 04:03:22 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:22 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' ) 2026-10-16 04:03:22 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:22 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:22 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-16 04:03:22 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. 2026-10-16 04:03:22 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:22 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:22 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:22 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:22 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:22 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-10-16 04:03:22 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:22 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-10-16 04:03:22 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-10-16 04:03:22 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:22 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:21.931811 End time: 2026-10-16 04:03:22.395409 2026-10-16 04:03:22 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:22 INFO statwt::::casa ########################################## 2026-10-16 04:03:22 INFO statwt::::casa ########################################## 2026-10-16 04:03:22 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:22 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' ) 2026-10-16 04:03:22 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:22 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:22 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-16 04:03:22 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. 2026-10-16 04:03:22 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-16 04:03:22 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 2026-10-16 04:03:22 INFO statwt::::casa Traceback (most recent call last): 2026-10-16 04:03:22 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-15-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-16 04:03:22 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'] ) 2026-10-16 04:03:22 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-16 04:03:22 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-15-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-16 04:03:22 INFO statwt::::casa+ rval = myms.statwt( 2026-10-16 04:03:22 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-16 04:03:22 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-15-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-16 04:03:22 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-16 04:03:22 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-16 04:03:22 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-15-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2646, in statwt 2026-10-16 04:03:22 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-16 04:03:22 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-16 04:03:22 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-16 04:03:22 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:22.433935 End time: 2026-10-16 04:03:22.484604 2026-10-16 04:03:22 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:22 INFO statwt::::casa ########################################## 2026-10-16 04:03:22 INFO name:: No table opened. 2026-10-16 04:03:22 INFO name:: No table opened. .2026-10-16 04:03:23 INFO statwt::::casa ########################################## 2026-10-16 04:03:23 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:23 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' ) 2026-10-16 04:03:23 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:23 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:23 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:23 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. 2026-10-16 04:03:23 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:23 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:23 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:23 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:23 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:23 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-16 04:03:23 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:23 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-16 04:03:23 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-16 04:03:23 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:23 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:22.523468 End time: 2026-10-16 04:03:22.832261 2026-10-16 04:03:23 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:23 INFO statwt::::casa ########################################## 2026-10-16 04:03:23 INFO statwt::::casa ########################################## 2026-10-16 04:03:23 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:23 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' ) 2026-10-16 04:03:23 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:23 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:23 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:03:23 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. 2026-10-16 04:03:23 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:24 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-16 04:03:24 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-16 04:03:24 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:24 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:24 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-10-16 04:03:24 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:24 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-10-16 04:03:24 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-10-16 04:03:24 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:24 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:23.219021 End time: 2026-10-16 04:03:23.533801 2026-10-16 04:03:24 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:24 INFO statwt::::casa ########################################## 2026-10-16 04:03:24 INFO name:: No table opened. 2026-10-16 04:03:24 INFO name:: No table opened. .2026-10-16 04:03:24 INFO statwt::::casa ########################################## 2026-10-16 04:03:24 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:24 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' ) 2026-10-16 04:03:24 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:24 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:24 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-16 04:03:24 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. 2026-10-16 04:03:24 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:24 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-16 04:03:24 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-16 04:03:24 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:24 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:24 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-16 04:03:24 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:24 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-16 04:03:24 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-16 04:03:24 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:24 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:23.929512 End time: 2026-10-16 04:03:24.182657 2026-10-16 04:03:24 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:24 INFO statwt::::casa ########################################## 2026-10-16 04:03:25 INFO statwt::::casa ########################################## 2026-10-16 04:03:25 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-16 04:03:25 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' ) 2026-10-16 04:03:25 INFO statwt::::casa Backup original flags before applying new flags 2026-10-16 04:03:25 INFO AgentFlagger::open Table type is Measurement Set 2026-10-16 04:03:25 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-16 04:03:25 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. 2026-10-16 04:03:25 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-16 04:03:25 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-16 04:03:25 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-16 04:03:25 INFO StatWtTVI::summarizeFlagging 2026-10-16 04:03:25 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-16 04:03:25 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-16 04:03:25 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-16 04:03:25 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-16 04:03:25 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-16 04:03:25 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-16 04:03:25 INFO statwt::::casa Task statwt complete. Start time: 2026-10-16 04:03:24.646482 End time: 2026-10-16 04:03:24.958400 2026-10-16 04:03:25 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-16 04:03:25 INFO statwt::::casa ########################################## 2026-10-16 04:03:25 INFO name:: No table opened. 2026-10-16 04:03:25 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 32.710s OK Generating XML reports...