2026-10-09 03:53:28 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-10-09 03:53:28 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.4-11-py3.12.el8/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-10-09 03:53:28 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-10-09 03:53:28 INFO ::casa 2026-10-09 03:53:28 INFO ::casa config values 2026-10-09 03:53:28 INFO ::casa agg = False 2026-10-09 03:53:28 INFO ::casa cachedir = '/home/casatest/.casa' 2026-10-09 03:53:28 INFO ::casa casaconfig_verbose = 1 2026-10-09 03:53:28 INFO ::casa colors = 'Neutral' 2026-10-09 03:53:28 INFO ::casa data_auto_update = False 2026-10-09 03:53:28 INFO ::casa data_update_interval = 1 2026-10-09 03:53:28 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-10-09 03:53:28 INFO ::casa iplog = False 2026-10-09 03:53:28 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20261009-035324.log' 2026-10-09 03:53:28 INFO ::casa log2term = True 2026-10-09 03:53:28 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20261009-035324.log' 2026-10-09 03:53:28 INFO ::casa measures_auto_update = False 2026-10-09 03:53:28 INFO ::casa measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/'] 2026-10-09 03:53:28 INFO ::casa measures_site_interval = 2 2026-10-09 03:53:28 INFO ::casa measures_update_interval = 1 2026-10-09 03:53:28 INFO ::casa measurespath = '/opt/casa/data/master' 2026-10-09 03:53:28 INFO ::casa nogui = False 2026-10-09 03:53:28 INFO ::casa nologfile = False 2026-10-09 03:53:28 INFO ::casa nologger = True 2026-10-09 03:53:28 INFO ::casa pipeline = False 2026-10-09 03:53:28 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-10-09 03:53:28 INFO ::casa user_site = False 2026-10-09 03:53:28 INFO ::casa 2026-10-09 03:53:28 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-09 03:53:28 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-09 03:53:28 INFO ::casa 2026-10-09 03:53:28 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-10-09 03:53:28 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/09/10/15:15, 2026/08/11/00:00:00 2026-10-09 03:53:28 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/09/10/15:15, 2026/08/11/00:00:00 2026-10-09 03:53:28 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/10/08/15:15, 2027/01/06/00:00:00 2026-10-09 03:53:28 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 6.7.4.11 -- Common Astronomy Software Applications [6.7.4.11] 2026-10-09 03:53:29 INFO statwt::::casa ########################################## 2026-10-09 03:53:29 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:29 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' ) 2026-10-09 03:53:29 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:29 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:29 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:29 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. 2026-10-09 03:53:29 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:29 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:29 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:29 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:29 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:29 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-09 03:53:29 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-09 03:53:29 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-09 03:53:29 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-09 03:53:29 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:29 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:28.811297 End time: 2026-10-09 03:53:29.238523 2026-10-09 03:53:29 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:29 INFO statwt::::casa ########################################## 2026-10-09 03:53:30 INFO statwt::::casa ########################################## 2026-10-09 03:53:30 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:30 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' ) 2026-10-09 03:53:30 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:30 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:30 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:53:30 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. 2026-10-09 03:53:30 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:30 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:30 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:30 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:30 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:30 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-09 03:53:30 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:30 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-09 03:53:30 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-09 03:53:30 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:30 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:29.700023 End time: 2026-10-09 03:53:30.088828 2026-10-09 03:53:30 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:30 INFO statwt::::casa ########################################## 2026-10-09 03:53:30 INFO statwt::::casa ########################################## 2026-10-09 03:53:30 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:30 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' ) 2026-10-09 03:53:30 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:30 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:30 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-09 03:53:30 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. 2026-10-09 03:53:30 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:31 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:31 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:31 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:31 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:31 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-09 03:53:31 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-09 03:53:31 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-09 03:53:31 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-09 03:53:31 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:31 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:30.353226 End time: 2026-10-09 03:53:30.719882 2026-10-09 03:53:31 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:31 INFO statwt::::casa ########################################## 2026-10-09 03:53:31 INFO statwt::::casa ########################################## 2026-10-09 03:53:31 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:31 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' ) 2026-10-09 03:53:31 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:31 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:31 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-09 03:53:31 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. 2026-10-09 03:53:31 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:31 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:31 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:31 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:31 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:31 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-09 03:53:31 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-09 03:53:31 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-09 03:53:31 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-09 03:53:31 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:31 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:30.833277 End time: 2026-10-09 03:53:31.101379 2026-10-09 03:53:31 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:31 INFO statwt::::casa ########################################## 2026-10-09 03:53:31 INFO statwt::::casa ########################################## 2026-10-09 03:53:31 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:31 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' ) 2026-10-09 03:53:31 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:31 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:31 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-09 03:53:31 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. 2026-10-09 03:53:31 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:32 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:32 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:32 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:32 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:32 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-09 03:53:32 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:32 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-09 03:53:32 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-09 03:53:32 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:32 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:31.372989 End time: 2026-10-09 03:53:31.635489 2026-10-09 03:53:32 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:32 INFO statwt::::casa ########################################## 2026-10-09 03:53:32 INFO statwt::::casa ########################################## 2026-10-09 03:53:32 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:32 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' ) 2026-10-09 03:53:32 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:32 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:32 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-09 03:53:32 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. 2026-10-09 03:53:32 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:32 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:32 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:32 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:32 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:32 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-09 03:53:32 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-09 03:53:32 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-09 03:53:32 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-09 03:53:32 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:32 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:31.878364 End time: 2026-10-09 03:53:32.182197 2026-10-09 03:53:32 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:32 INFO statwt::::casa ########################################## 2026-10-09 03:53:32 INFO name:: No table opened. 2026-10-09 03:53:32 INFO name:: No table opened. .2026-10-09 03:53:32 INFO statwt::::casa ########################################## 2026-10-09 03:53:32 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:32 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' ) 2026-10-09 03:53:32 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:32 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:32 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:32 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. 2026-10-09 03:53:32 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:33 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:33 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:33 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:33 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:33 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-09 03:53:33 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:33 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-09 03:53:33 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-09 03:53:33 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:33 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:32.290590 End time: 2026-10-09 03:53:33.400040 2026-10-09 03:53:33 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:33 INFO statwt::::casa ########################################## 2026-10-09 03:53:33 INFO statwt::::casa ########################################## 2026-10-09 03:53:33 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:33 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' ) 2026-10-09 03:53:33 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:33 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:33 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:53:33 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. 2026-10-09 03:53:33 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:35 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:35 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:35 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:35 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:35 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-09 03:53:35 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:35 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-09 03:53:35 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-09 03:53:35 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:35 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:33.440399 End time: 2026-10-09 03:53:34.582132 2026-10-09 03:53:35 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:35 INFO statwt::::casa ########################################## 2026-10-09 03:53:35 INFO statwt::::casa ########################################## 2026-10-09 03:53:35 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:35 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' ) 2026-10-09 03:53:35 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:35 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:35 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-09 03:53:35 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. 2026-10-09 03:53:35 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-09 03:53:35 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-09 03:53:35 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:36 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:36 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:36 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:36 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:36 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-09 03:53:36 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:36 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-09 03:53:36 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-09 03:53:36 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:36 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:34.641193 End time: 2026-10-09 03:53:35.850951 2026-10-09 03:53:36 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:36 INFO statwt::::casa ########################################## 2026-10-09 03:53:36 INFO statwt::::casa ########################################## 2026-10-09 03:53:36 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:36 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' ) 2026-10-09 03:53:36 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:36 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:36 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-09 03:53:36 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. 2026-10-09 03:53:36 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-09 03:53:36 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-09 03:53:36 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:37 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:37 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:37 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:37 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:37 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-09 03:53:37 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:37 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-09 03:53:37 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-09 03:53:37 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:37 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:35.894706 End time: 2026-10-09 03:53:37.058247 2026-10-09 03:53:37 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:37 INFO statwt::::casa ########################################## 2026-10-09 03:53:37 INFO statwt::::casa ########################################## 2026-10-09 03:53:37 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:37 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' ) 2026-10-09 03:53:37 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:37 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:37 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-09 03:53:37 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. 2026-10-09 03:53:37 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:38 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:38 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:38 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:38 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:38 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-09 03:53:38 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:38 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-09 03:53:38 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-09 03:53:38 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:38 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:37.096066 End time: 2026-10-09 03:53:37.752537 2026-10-09 03:53:38 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:38 INFO statwt::::casa ########################################## 2026-10-09 03:53:38 INFO statwt::::casa ########################################## 2026-10-09 03:53:38 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:38 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' ) 2026-10-09 03:53:38 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:38 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:38 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-09 03:53:38 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. 2026-10-09 03:53:38 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:38 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:38 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:38 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:38 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:38 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-09 03:53:38 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:38 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-09 03:53:38 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-09 03:53:38 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:39 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:37.824879 End time: 2026-10-09 03:53:38.516916 2026-10-09 03:53:39 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:39 INFO statwt::::casa ########################################## 2026-10-09 03:53:39 INFO statwt::::casa ########################################## 2026-10-09 03:53:39 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:39 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' ) 2026-10-09 03:53:39 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:39 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:39 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-10-09 03:53:39 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. 2026-10-09 03:53:39 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-09 03:53:39 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-09 03:53:39 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:39 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:39 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:39 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:39 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:39 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-09 03:53:39 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:39 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-09 03:53:39 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-09 03:53:39 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:39 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:38.562885 End time: 2026-10-09 03:53:39.263846 2026-10-09 03:53:39 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:39 INFO statwt::::casa ########################################## 2026-10-09 03:53:39 INFO name:: No table opened. 2026-10-09 03:53:39 INFO name:: No table opened. .2026-10-09 03:53:41 INFO statwt::::casa ########################################## 2026-10-09 03:53:41 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:41 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' ) 2026-10-09 03:53:41 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:41 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:41 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:41 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. 2026-10-09 03:53:41 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-09 03:53:41 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-09 03:53:41 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-09 03:53:43 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:43 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-09 03:53:43 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:43 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:43 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-09 03:53:43 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-10-09 03:53:43 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-09 03:53:43 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-10-09 03:53:43 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-10-09 03:53:43 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:43 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:40.614584 End time: 2026-10-09 03:53:42.622135 2026-10-09 03:53:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:43 INFO statwt::::casa ########################################## 2026-10-09 03:53:43 INFO statwt::::casa ########################################## 2026-10-09 03:53:43 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:43 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' ) 2026-10-09 03:53:43 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:43 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:43 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:43 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. 2026-10-09 03:53:43 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-09 03:53:43 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-09 03:53:44 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. 2026-10-09 03:53:44 SEVERE ms::statwt+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-10-09 03:53:44 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. 2026-10-09 03:53:44 SEVERE statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-10-09 03:53:44 INFO statwt::::casa Traceback (most recent call last): 2026-10-09 03:53:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-11-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-09 03:53:44 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'] ) 2026-10-09 03:53:44 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-09 03:53:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-11-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-09 03:53:44 INFO statwt::::casa+ rval = myms.statwt( 2026-10-09 03:53:44 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-09 03:53:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-11-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-09 03:53:44 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-09 03:53:44 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-09 03:53:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-11-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-10-09 03:53:44 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-09 03:53:44 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-09 03:53:44 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. 2026-10-09 03:53:44 INFO statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-10-09 03:53:44 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:43.178949 End time: 2026-10-09 03:53:43.788711 2026-10-09 03:53:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:44 INFO statwt::::casa ########################################## 2026-10-09 03:53:44 INFO statwt::::casa ########################################## 2026-10-09 03:53:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:44 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' ) 2026-10-09 03:53:44 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:44 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:53:44 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. 2026-10-09 03:53:44 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-09 03:53:45 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-10-09 03:53:45 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:45 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-09 03:53:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-10-09 03:53:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-10-09 03:53:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-10-09 03:53:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:45 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:43.791559 End time: 2026-10-09 03:53:44.534759 2026-10-09 03:53:45 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:45 INFO statwt::::casa ########################################## 2026-10-09 03:53:45 INFO name:: No table opened. 2026-10-09 03:53:45 INFO name:: No table opened. .2026-10-09 03:53:45 INFO statwt::::casa ########################################## 2026-10-09 03:53:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:45 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' ) 2026-10-09 03:53:45 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:45 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:45 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. 2026-10-09 03:53:45 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-10-09 03:53:45 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:45 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:45 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-09 03:53:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-09 03:53:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-09 03:53:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:45 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:44.709126 End time: 2026-10-09 03:53:45.017112 2026-10-09 03:53:45 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:45 INFO statwt::::casa ########################################## 2026-10-09 03:53:45 INFO name:: No table opened. 2026-10-09 03:53:45 INFO name:: No table opened. .2026-10-09 03:53:45 INFO statwt::::casa ########################################## 2026-10-09 03:53:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:45 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' ) 2026-10-09 03:53:45 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:45 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:45 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-09 03:53:45 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-09 03:53:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-09 03:53:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-09 03:53:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:46 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:45.313177 End time: 2026-10-09 03:53:45.538982 2026-10-09 03:53:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:46 INFO statwt::::casa ########################################## 2026-10-09 03:53:46 INFO statwt::::casa ########################################## 2026-10-09 03:53:46 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:46 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' ) 2026-10-09 03:53:46 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:46 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:53:46 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-09 03:53:46 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-09 03:53:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-09 03:53:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-09 03:53:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:46 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:45.679966 End time: 2026-10-09 03:53:45.949860 2026-10-09 03:53:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:46 INFO statwt::::casa ########################################## 2026-10-09 03:53:46 INFO name:: No table opened. 2026-10-09 03:53:46 INFO name:: No table opened. .2026-10-09 03:53:46 INFO statwt::::casa ########################################## 2026-10-09 03:53:46 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:46 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' ) 2026-10-09 03:53:46 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:46 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:46 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-09 03:53:46 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:46 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-09 03:53:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-09 03:53:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-09 03:53:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:46 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:46.063911 End time: 2026-10-09 03:53:46.262335 2026-10-09 03:53:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:46 INFO statwt::::casa ########################################## 2026-10-09 03:53:47 INFO statwt::::casa ########################################## 2026-10-09 03:53:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:47 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' ) 2026-10-09 03:53:47 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:47 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:53:47 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-09 03:53:47 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-09 03:53:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-09 03:53:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-09 03:53:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:47 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:46.608413 End time: 2026-10-09 03:53:46.780299 2026-10-09 03:53:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:47 INFO statwt::::casa ########################################## 2026-10-09 03:53:47 INFO name:: No table opened. 2026-10-09 03:53:47 INFO name:: No table opened. .2026-10-09 03:53:47 INFO statwt::::casa ########################################## 2026-10-09 03:53:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:47 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' ) 2026-10-09 03:53:47 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:47 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:47 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-09 03:53:47 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-09 03:53:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-09 03:53:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-09 03:53:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:47 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:46.905499 End time: 2026-10-09 03:53:47.181342 2026-10-09 03:53:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:47 INFO statwt::::casa ########################################## 2026-10-09 03:53:47 INFO statwt::::casa ########################################## 2026-10-09 03:53:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:47 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' ) 2026-10-09 03:53:47 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:47 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:53:47 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-09 03:53:47 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:47 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-10-09 03:53:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-10-09 03:53:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-10-09 03:53:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:47 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:47.239377 End time: 2026-10-09 03:53:47.480332 2026-10-09 03:53:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:47 INFO statwt::::casa ########################################## 2026-10-09 03:53:48 INFO name:: No table opened. 2026-10-09 03:53:48 INFO name:: No table opened. .2026-10-09 03:53:48 INFO statwt::::casa ########################################## 2026-10-09 03:53:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:48 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' ) 2026-10-09 03:53:48 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:48 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:48 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. 2026-10-09 03:53:48 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-09 03:53:48 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:48 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-09 03:53:48 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:48 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:48 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-10-09 03:53:48 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-10-09 03:53:48 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-09 03:53:48 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-10-09 03:53:48 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-10-09 03:53:48 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:48 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:47.614653 End time: 2026-10-09 03:53:47.932359 2026-10-09 03:53:48 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:48 INFO statwt::::casa ########################################## 2026-10-09 03:53:48 INFO statwt::::casa ########################################## 2026-10-09 03:53:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:48 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' ) 2026-10-09 03:53:48 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:48 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:48 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. 2026-10-09 03:53:48 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-10-09 03:53:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-09 03:53:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-10-09 03:53:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-10-09 03:53:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:49 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:48.344767 End time: 2026-10-09 03:53:48.720051 2026-10-09 03:53:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:49 INFO statwt::::casa ########################################## 2026-10-09 03:53:49 INFO name:: No table opened. 2026-10-09 03:53:49 INFO name:: No table opened. .2026-10-09 03:53:49 INFO statwt::::casa ########################################## 2026-10-09 03:53:49 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:49 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' ) 2026-10-09 03:53:49 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:49 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:49 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:49 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. 2026-10-09 03:53:49 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:49 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-10-09 03:53:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-10-09 03:53:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-10-09 03:53:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:49 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:48.964831 End time: 2026-10-09 03:53:49.190013 2026-10-09 03:53:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:49 INFO statwt::::casa ########################################## 2026-10-09 03:53:49 INFO name:: No table opened. 2026-10-09 03:53:49 INFO name:: No table opened. .2026-10-09 03:53:49 INFO statwt::::casa ########################################## 2026-10-09 03:53:49 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:49 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' ) 2026-10-09 03:53:49 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:49 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:49 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:50 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-09 03:53:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:50 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:50 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-09 03:53:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-09 03:53:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-09 03:53:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:50 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:49.457153 End time: 2026-10-09 03:53:49.671187 2026-10-09 03:53:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:50 INFO statwt::::casa ########################################## 2026-10-09 03:53:50 INFO statwt::::casa ########################################## 2026-10-09 03:53:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:50 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' ) 2026-10-09 03:53:50 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:50 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:53:50 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-09 03:53:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:50 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:50 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-09 03:53:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-09 03:53:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-09 03:53:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:50 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:49.922967 End time: 2026-10-09 03:53:50.227046 2026-10-09 03:53:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:50 INFO statwt::::casa ########################################## 2026-10-09 03:53:50 INFO name:: No table opened. 2026-10-09 03:53:50 INFO name:: No table opened. .2026-10-09 03:53:50 INFO statwt::::casa ########################################## 2026-10-09 03:53:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:50 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' ) 2026-10-09 03:53:50 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-10-09 03:53:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:51 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-10-09 03:53:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-09 03:53:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-09 03:53:51 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:51 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-09 03:53:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-09 03:53:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-09 03:53:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:51 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:50.357635 End time: 2026-10-09 03:53:50.519550 2026-10-09 03:53:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:51 INFO statwt::::casa ########################################## 2026-10-09 03:53:51 INFO name:: No table opened. 2026-10-09 03:53:51 INFO name:: No table opened. .2026-10-09 03:53:51 INFO statwt::::casa ########################################## 2026-10-09 03:53:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:51 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' ) 2026-10-09 03:53:51 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:51 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:51 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-09 03:53:51 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-09 03:53:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:51 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:51 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-09 03:53:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-09 03:53:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-09 03:53:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:51 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:50.581602 End time: 2026-10-09 03:53:51.025049 2026-10-09 03:53:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:51 INFO statwt::::casa ########################################## 2026-10-09 03:53:51 INFO name:: No table opened. 2026-10-09 03:53:51 INFO name:: No table opened. .2026-10-09 03:53:51 INFO statwt::::casa ########################################## 2026-10-09 03:53:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:51 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' ) 2026-10-09 03:53:51 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:51 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:51 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. 2026-10-09 03:53:51 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-09 03:53:52 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:52 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:52 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-09 03:53:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-09 03:53:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-09 03:53:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:52 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:51.275721 End time: 2026-10-09 03:53:51.651503 2026-10-09 03:53:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:52 INFO statwt::::casa ########################################## 2026-10-09 03:53:52 INFO name:: No table opened. 2026-10-09 03:53:52 INFO name:: No table opened. .2026-10-09 03:53:52 INFO statwt::::casa ########################################## 2026-10-09 03:53:52 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:52 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' ) 2026-10-09 03:53:52 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:52 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:52 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. 2026-10-09 03:53:52 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-09 03:53:52 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:52 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:52 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-09 03:53:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-09 03:53:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-09 03:53:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:52 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:51.890506 End time: 2026-10-09 03:53:52.308480 2026-10-09 03:53:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:52 INFO statwt::::casa ########################################## 2026-10-09 03:53:53 INFO name:: No table opened. 2026-10-09 03:53:53 INFO name:: No table opened. .2026-10-09 03:53:53 INFO statwt::::casa ########################################## 2026-10-09 03:53:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:53 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' ) 2026-10-09 03:53:53 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:53 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:53 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. 2026-10-09 03:53:53 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-09 03:53:53 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:53 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:53 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-09 03:53:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-09 03:53:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-09 03:53:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:53 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:52.557810 End time: 2026-10-09 03:53:52.916877 2026-10-09 03:53:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:53 INFO statwt::::casa ########################################## 2026-10-09 03:53:53 INFO name:: No table opened. 2026-10-09 03:53:53 INFO name:: No table opened. .2026-10-09 03:53:53 INFO statwt::::casa ########################################## 2026-10-09 03:53:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:53 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' ) 2026-10-09 03:53:53 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:53 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:53 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. 2026-10-09 03:53:53 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-09 03:53:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-09 03:53:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-09 03:53:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:54 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:53.174499 End time: 2026-10-09 03:53:53.522067 2026-10-09 03:53:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:54 INFO statwt::::casa ########################################## 2026-10-09 03:53:54 INFO name:: No table opened. 2026-10-09 03:53:54 INFO name:: No table opened. .2026-10-09 03:53:54 INFO statwt::::casa ########################################## 2026-10-09 03:53:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:54 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' ) 2026-10-09 03:53:54 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:54 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:54 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. 2026-10-09 03:53:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-10-09 03:53:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-10-09 03:53:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-10-09 03:53:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:54 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:53.580753 End time: 2026-10-09 03:53:53.659972 2026-10-09 03:53:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:54 INFO statwt::::casa ########################################## 2026-10-09 03:53:54 INFO name:: No table opened. 2026-10-09 03:53:54 INFO name:: No table opened. .2026-10-09 03:53:54 INFO statwt::::casa ########################################## 2026-10-09 03:53:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:54 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' ) 2026-10-09 03:53:54 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:54 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:54 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. 2026-10-09 03:53:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:54 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-10-09 03:53:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-10-09 03:53:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-10-09 03:53:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:54 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:53.882177 End time: 2026-10-09 03:53:54.381941 2026-10-09 03:53:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:54 INFO statwt::::casa ########################################## 2026-10-09 03:53:55 INFO name:: No table opened. 2026-10-09 03:53:55 INFO name:: No table opened. .2026-10-09 03:53:55 INFO statwt::::casa ########################################## 2026-10-09 03:53:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:55 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' ) 2026-10-09 03:53:55 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:55 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:53:55 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. 2026-10-09 03:53:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:55 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:55 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:55 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-10-09 03:53:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-10-09 03:53:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-10-09 03:53:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:55 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:54.717858 End time: 2026-10-09 03:53:55.150770 2026-10-09 03:53:55 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:55 INFO statwt::::casa ########################################## 2026-10-09 03:53:56 INFO statwt::::casa ########################################## 2026-10-09 03:53:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:56 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' ) 2026-10-09 03:53:56 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:56 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-09 03:53:56 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. 2026-10-09 03:53:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:56 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:56 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-10-09 03:53:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-10-09 03:53:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-10-09 03:53:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:56 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:55.631358 End time: 2026-10-09 03:53:56.034930 2026-10-09 03:53:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:56 INFO statwt::::casa ########################################## 2026-10-09 03:53:56 INFO name:: No table opened. 2026-10-09 03:53:56 INFO name:: No table opened. .2026-10-09 03:53:56 INFO statwt::::casa ########################################## 2026-10-09 03:53:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:56 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' ) 2026-10-09 03:53:56 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:56 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:56 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. 2026-10-09 03:53:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:57 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:57 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-09 03:53:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-09 03:53:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-09 03:53:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:57 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:56.399191 End time: 2026-10-09 03:53:56.665130 2026-10-09 03:53:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:57 INFO statwt::::casa ########################################## 2026-10-09 03:53:57 INFO name:: No table opened. 2026-10-09 03:53:57 INFO name:: No table opened. .2026-10-09 03:53:57 INFO statwt::::casa ########################################## 2026-10-09 03:53:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:57 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' ) 2026-10-09 03:53:57 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:57 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:57 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. 2026-10-09 03:53:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:57 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:57 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-09 03:53:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-09 03:53:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-09 03:53:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:57 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:56.799335 End time: 2026-10-09 03:53:57.139016 2026-10-09 03:53:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:57 INFO statwt::::casa ########################################## 2026-10-09 03:53:57 INFO statwt::::casa ########################################## 2026-10-09 03:53:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:57 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' ) 2026-10-09 03:53:57 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:57 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:53:57 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. 2026-10-09 03:53:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:58 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:58 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-10-09 03:53:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-10-09 03:53:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-10-09 03:53:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:58 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:57.176553 End time: 2026-10-09 03:53:57.613790 2026-10-09 03:53:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:58 INFO statwt::::casa ########################################## 2026-10-09 03:53:58 INFO statwt::::casa ########################################## 2026-10-09 03:53:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:58 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' ) 2026-10-09 03:53:58 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:58 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-09 03:53:58 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. 2026-10-09 03:53:58 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:58 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:58 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-10-09 03:53:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-10-09 03:53:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-10-09 03:53:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:58 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:57.651250 End time: 2026-10-09 03:53:58.122285 2026-10-09 03:53:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:58 INFO statwt::::casa ########################################## 2026-10-09 03:53:58 INFO statwt::::casa ########################################## 2026-10-09 03:53:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:58 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' ) 2026-10-09 03:53:58 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:58 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-09 03:53:58 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. 2026-10-09 03:53:58 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:59 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:59 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-10-09 03:53:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-10-09 03:53:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-10-09 03:53:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:59 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:58.160407 End time: 2026-10-09 03:53:58.675233 2026-10-09 03:53:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:59 INFO statwt::::casa ########################################## 2026-10-09 03:53:59 INFO statwt::::casa ########################################## 2026-10-09 03:53:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:59 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' ) 2026-10-09 03:53:59 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:59 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-09 03:53:59 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. 2026-10-09 03:53:59 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-09 03:53:59 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 2026-10-09 03:53:59 INFO statwt::::casa Traceback (most recent call last): 2026-10-09 03:53:59 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-11-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-09 03:53:59 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'] ) 2026-10-09 03:53:59 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-09 03:53:59 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-11-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-09 03:53:59 INFO statwt::::casa+ rval = myms.statwt( 2026-10-09 03:53:59 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-09 03:53:59 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-11-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-09 03:53:59 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-09 03:53:59 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-09 03:53:59 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-11-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-10-09 03:53:59 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-09 03:53:59 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-09 03:53:59 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-09 03:53:59 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:58.740616 End time: 2026-10-09 03:53:58.855012 2026-10-09 03:53:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:59 INFO statwt::::casa ########################################## 2026-10-09 03:53:59 INFO name:: No table opened. 2026-10-09 03:53:59 INFO name:: No table opened. .2026-10-09 03:53:59 INFO statwt::::casa ########################################## 2026-10-09 03:53:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:53:59 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' ) 2026-10-09 03:53:59 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:53:59 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:53:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:53:59 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. 2026-10-09 03:53:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:53:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:53:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:53:59 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:53:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:53:59 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-09 03:53:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:53:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-09 03:53:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-09 03:53:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:53:59 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:58.913285 End time: 2026-10-09 03:53:59.180655 2026-10-09 03:53:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:53:59 INFO statwt::::casa ########################################## 2026-10-09 03:54:00 INFO statwt::::casa ########################################## 2026-10-09 03:54:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:54:00 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' ) 2026-10-09 03:54:00 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:54:00 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:54:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:54:00 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. 2026-10-09 03:54:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:54:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-09 03:54:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-09 03:54:00 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:54:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:54:00 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-10-09 03:54:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:54:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-10-09 03:54:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-10-09 03:54:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:54:00 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:53:59.534615 End time: 2026-10-09 03:53:59.895519 2026-10-09 03:54:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:54:00 INFO statwt::::casa ########################################## 2026-10-09 03:54:00 INFO name:: No table opened. 2026-10-09 03:54:00 INFO name:: No table opened. .2026-10-09 03:54:00 INFO statwt::::casa ########################################## 2026-10-09 03:54:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:54:00 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' ) 2026-10-09 03:54:00 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:54:00 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:54:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-09 03:54:00 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. 2026-10-09 03:54:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:54:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-09 03:54:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-09 03:54:00 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:54:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:54:00 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-09 03:54:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:54:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-09 03:54:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-09 03:54:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:54:01 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:54:00.244929 End time: 2026-10-09 03:54:00.500244 2026-10-09 03:54:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:54:01 INFO statwt::::casa ########################################## 2026-10-09 03:54:01 INFO statwt::::casa ########################################## 2026-10-09 03:54:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-09 03:54:01 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' ) 2026-10-09 03:54:01 INFO statwt::::casa Backup original flags before applying new flags 2026-10-09 03:54:01 INFO AgentFlagger::open Table type is Measurement Set 2026-10-09 03:54:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-09 03:54:01 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. 2026-10-09 03:54:01 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-09 03:54:01 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-09 03:54:01 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-09 03:54:01 INFO StatWtTVI::summarizeFlagging 2026-10-09 03:54:01 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-09 03:54:01 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-09 03:54:01 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-09 03:54:01 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-09 03:54:01 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-09 03:54:01 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-09 03:54:01 INFO statwt::::casa Task statwt complete. Start time: 2026-10-09 03:54:00.880085 End time: 2026-10-09 03:54:01.162173 2026-10-09 03:54:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-09 03:54:01 INFO statwt::::casa ########################################## 2026-10-09 03:54:01 INFO name:: No table opened. 2026-10-09 03:54:01 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 32.867s OK Generating XML reports...