2026-10-29 07:07:35 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-10-29 07:07:35 INFO ::casa loaded config file : /wheeldirectory/casa-6.8.0-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-10-29 07:07:35 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-10-29 07:07:35 INFO ::casa 2026-10-29 07:07:35 INFO ::casa config values 2026-10-29 07:07:35 INFO ::casa agg = False 2026-10-29 07:07:35 INFO ::casa cachedir = '/home/casatest/.casa' 2026-10-29 07:07:35 INFO ::casa casaconfig_verbose = 1 2026-10-29 07:07:35 INFO ::casa colors = 'Neutral' 2026-10-29 07:07:35 INFO ::casa data_auto_update = False 2026-10-29 07:07:35 INFO ::casa data_update_interval = 1 2026-10-29 07:07:35 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-10-29 07:07:35 INFO ::casa iplog = False 2026-10-29 07:07:35 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20261029-070731.log' 2026-10-29 07:07:35 INFO ::casa log2term = True 2026-10-29 07:07:35 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20261029-070731.log' 2026-10-29 07:07:35 INFO ::casa measures_auto_update = False 2026-10-29 07:07:35 INFO ::casa measures_site = ['https://iers.astron.nl/', 'https://go.nrao.edu/iers/'] 2026-10-29 07:07:35 INFO ::casa measures_site_interval = 2 2026-10-29 07:07:35 INFO ::casa measures_update_interval = 1 2026-10-29 07:07:35 INFO ::casa measurespath = '/opt/casa/data/master' 2026-10-29 07:07:35 INFO ::casa nogui = False 2026-10-29 07:07:35 INFO ::casa nologfile = False 2026-10-29 07:07:35 INFO ::casa nologger = True 2026-10-29 07:07:35 INFO ::casa pipeline = False 2026-10-29 07:07:35 INFO ::casa skipnetworkcheck = False 2026-10-29 07:07:35 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-10-29 07:07:35 INFO ::casa user_site = False 2026-10-29 07:07:35 INFO ::casa 2026-10-29 07:07:35 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-29 07:07:35 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-29 07:07:35 INFO ::casa 2026-10-29 07:07:35 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-10-29 07:07:35 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/10/15/15:15, 2026/09/15/00:00:00 2026-10-29 07:07:35 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/10/15/15:15, 2026/09/15/00:00:00 2026-10-29 07:07:35 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/10/28/15:15, 2027/01/26/00:00:00 2026-10-29 07:07:35 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 6.8.0.3 -- Common Astronomy Software Applications [6.8.0.3] 2026-10-29 07:07:36 INFO statwt::::casa ########################################## 2026-10-29 07:07:36 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:36 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' ) 2026-10-29 07:07:36 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:36 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:36 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:07:36 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. 2026-10-29 07:07:36 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:37 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:37 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:37 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:37 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:37 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-29 07:07:37 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-29 07:07:37 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-29 07:07:37 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-29 07:07:37 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:37 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:36.159087 End time: 2026-10-29 07:07:37.242565 2026-10-29 07:07:37 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:37 INFO statwt::::casa ########################################## 2026-10-29 07:07:38 INFO statwt::::casa ########################################## 2026-10-29 07:07:38 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:38 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' ) 2026-10-29 07:07:38 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:38 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:38 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:07:38 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. 2026-10-29 07:07:38 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:38 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:38 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:38 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:38 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:38 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-29 07:07:38 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:38 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-29 07:07:38 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-29 07:07:38 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:38 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:37.638538 End time: 2026-10-29 07:07:38.143974 2026-10-29 07:07:38 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:38 INFO statwt::::casa ########################################## 2026-10-29 07:07:39 INFO statwt::::casa ########################################## 2026-10-29 07:07:39 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:39 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' ) 2026-10-29 07:07:39 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:39 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:39 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-29 07:07:39 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. 2026-10-29 07:07:39 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:39 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:39 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:39 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:39 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:39 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-29 07:07:39 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-29 07:07:39 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-29 07:07:39 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-29 07:07:39 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:39 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:38.552599 End time: 2026-10-29 07:07:39.138247 2026-10-29 07:07:39 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:39 INFO statwt::::casa ########################################## 2026-10-29 07:07:39 INFO statwt::::casa ########################################## 2026-10-29 07:07:39 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:39 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' ) 2026-10-29 07:07:39 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:39 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:39 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-29 07:07:39 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. 2026-10-29 07:07:39 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:40 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:40 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:40 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:40 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:40 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-29 07:07:40 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-29 07:07:40 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-29 07:07:40 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-29 07:07:40 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:40 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:39.328004 End time: 2026-10-29 07:07:39.933110 2026-10-29 07:07:40 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:40 INFO statwt::::casa ########################################## 2026-10-29 07:07:40 INFO statwt::::casa ########################################## 2026-10-29 07:07:40 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:40 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' ) 2026-10-29 07:07:40 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:40 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:40 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-29 07:07:41 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. 2026-10-29 07:07:41 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:41 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:41 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:41 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:41 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:41 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-29 07:07:41 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:41 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-29 07:07:41 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-29 07:07:41 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:41 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:40.323824 End time: 2026-10-29 07:07:40.965307 2026-10-29 07:07:41 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:41 INFO statwt::::casa ########################################## 2026-10-29 07:07:41 INFO statwt::::casa ########################################## 2026-10-29 07:07:41 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:41 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' ) 2026-10-29 07:07:41 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:41 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:41 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-29 07:07:42 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. 2026-10-29 07:07:42 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:42 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:42 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:42 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:42 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:42 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-29 07:07:42 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-29 07:07:42 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-29 07:07:42 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-29 07:07:42 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:42 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:41.348406 End time: 2026-10-29 07:07:41.890086 2026-10-29 07:07:42 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:42 INFO statwt::::casa ########################################## 2026-10-29 07:07:42 INFO name:: No table opened. 2026-10-29 07:07:42 INFO name:: No table opened. .2026-10-29 07:07:42 INFO statwt::::casa ########################################## 2026-10-29 07:07:42 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:42 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' ) 2026-10-29 07:07:42 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:42 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:42 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:07:42 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. 2026-10-29 07:07:42 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:43 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:43 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:43 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:43 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:43 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-29 07:07:43 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:43 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-29 07:07:43 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-29 07:07:43 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:44 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:42.065650 End time: 2026-10-29 07:07:43.542837 2026-10-29 07:07:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:44 INFO statwt::::casa ########################################## 2026-10-29 07:07:44 INFO statwt::::casa ########################################## 2026-10-29 07:07:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:44 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' ) 2026-10-29 07:07:44 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:44 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:07:44 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:07:44 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:45 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:45 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:45 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-29 07:07:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-29 07:07:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-29 07:07:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:45 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:43.626292 End time: 2026-10-29 07:07:45.214013 2026-10-29 07:07:45 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:45 INFO statwt::::casa ########################################## 2026-10-29 07:07:45 INFO statwt::::casa ########################################## 2026-10-29 07:07:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:45 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' ) 2026-10-29 07:07:45 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:45 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-29 07:07:46 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. 2026-10-29 07:07:46 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-29 07:07:46 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-29 07:07:46 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:47 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:47 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:47 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-29 07:07:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-29 07:07:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-29 07:07:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:47 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:45.340588 End time: 2026-10-29 07:07:46.738597 2026-10-29 07:07:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:47 INFO statwt::::casa ########################################## 2026-10-29 07:07:47 INFO statwt::::casa ########################################## 2026-10-29 07:07:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:47 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-29 07:07:47 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:47 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-29 07:07:47 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. 2026-10-29 07:07:47 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-29 07:07:47 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-29 07:07:47 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:48 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:48 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:48 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:48 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:48 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-29 07:07:48 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:48 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-29 07:07:48 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-29 07:07:48 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:48 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:46.863730 End time: 2026-10-29 07:07:48.276853 2026-10-29 07:07:48 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:48 INFO statwt::::casa ########################################## 2026-10-29 07:07:48 INFO statwt::::casa ########################################## 2026-10-29 07:07:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:48 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' ) 2026-10-29 07:07:48 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:48 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-29 07:07:49 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. 2026-10-29 07:07:49 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:49 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:49 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:49 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-29 07:07:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-29 07:07:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-29 07:07:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:49 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:48.336010 End time: 2026-10-29 07:07:49.462570 2026-10-29 07:07:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:49 INFO statwt::::casa ########################################## 2026-10-29 07:07:50 INFO statwt::::casa ########################################## 2026-10-29 07:07:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:50 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' ) 2026-10-29 07:07:50 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:50 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-29 07:07:50 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. 2026-10-29 07:07:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:50 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:50 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-29 07:07:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-29 07:07:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-29 07:07:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:51 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:49.539428 End time: 2026-10-29 07:07:50.537193 2026-10-29 07:07:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:51 INFO statwt::::casa ########################################## 2026-10-29 07:07:51 INFO statwt::::casa ########################################## 2026-10-29 07:07:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:51 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-29 07:07:51 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:51 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-10-29 07:07:51 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. 2026-10-29 07:07:51 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-29 07:07:51 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-29 07:07:51 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:52 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:52 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:52 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-29 07:07:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-29 07:07:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-29 07:07:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:52 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:50.670830 End time: 2026-10-29 07:07:51.608039 2026-10-29 07:07:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:52 INFO statwt::::casa ########################################## 2026-10-29 07:07:52 INFO name:: No table opened. 2026-10-29 07:07:52 INFO name:: No table opened. .2026-10-29 07:07:53 INFO statwt::::casa ########################################## 2026-10-29 07:07:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:53 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' ) 2026-10-29 07:07:53 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:53 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:07:53 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. 2026-10-29 07:07:53 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-29 07:07:53 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-29 07:07:54 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-29 07:07:55 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-29 07:07:55 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:55 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-29 07:07:55 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-10-29 07:07:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-29 07:07:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-10-29 07:07:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-10-29 07:07:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:55 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:52.735935 End time: 2026-10-29 07:07:55.033713 2026-10-29 07:07:55 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:55 INFO statwt::::casa ########################################## 2026-10-29 07:07:55 INFO statwt::::casa ########################################## 2026-10-29 07:07:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:55 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' ) 2026-10-29 07:07:55 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:55 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:07:56 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. 2026-10-29 07:07:56 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-29 07:07:56 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-29 07:07:56 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. 2026-10-29 07:07:56 SEVERE ms::statwt+ ... thrown by casac::record* casac::ms::statwt(const std::string&, const casac::variant&, bool, const casac::variant&, long int, const std::string&, double, const std::string&, bool, double, long int, const std::string&, bool, const std::vector >&, bool, const std::string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-10-29 07:07:56 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. 2026-10-29 07:07:56 SEVERE statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const std::string&, const casac::variant&, bool, const casac::variant&, long int, const std::string&, double, const std::string&, bool, double, long int, const std::string&, bool, const std::vector >&, bool, const std::string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-10-29 07:07:56 INFO statwt::::casa Traceback (most recent call last): 2026-10-29 07:07:56 INFO statwt::::casa+ File "/wheeldirectory/casa-6.8.0-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-29 07:07:56 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'] ) 2026-10-29 07:07:56 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-29 07:07:56 INFO statwt::::casa+ File "/wheeldirectory/casa-6.8.0-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-29 07:07:56 INFO statwt::::casa+ rval = myms.statwt( 2026-10-29 07:07:56 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-29 07:07:56 INFO statwt::::casa+ File "/wheeldirectory/casa-6.8.0-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-29 07:07:56 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-29 07:07:56 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-29 07:07:56 INFO statwt::::casa+ File "/wheeldirectory/casa-6.8.0-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2646, in statwt 2026-10-29 07:07:56 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-29 07:07:56 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-29 07:07:56 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. 2026-10-29 07:07:56 INFO statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const std::string&, const casac::variant&, bool, const casac::variant&, long int, const std::string&, double, const std::string&, bool, double, long int, const std::string&, bool, const std::vector >&, bool, const std::string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-10-29 07:07:56 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:55.433807 End time: 2026-10-29 07:07:56.239015 2026-10-29 07:07:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:56 INFO statwt::::casa ########################################## 2026-10-29 07:07:56 INFO statwt::::casa ########################################## 2026-10-29 07:07:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:56 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' ) 2026-10-29 07:07:56 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:56 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:07:56 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. 2026-10-29 07:07:56 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-29 07:07:57 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-10-29 07:07:57 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:57 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-29 07:07:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-10-29 07:07:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-10-29 07:07:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-10-29 07:07:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:57 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:56.244630 End time: 2026-10-29 07:07:57.278137 2026-10-29 07:07:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:57 INFO statwt::::casa ########################################## 2026-10-29 07:07:57 INFO name:: No table opened. 2026-10-29 07:07:57 INFO name:: No table opened. .2026-10-29 07:07:57 INFO statwt::::casa ########################################## 2026-10-29 07:07:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:57 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' ) 2026-10-29 07:07:57 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:57 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:07:58 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-29 07:07:58 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-10-29 07:07:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:58 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:58 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-29 07:07:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-29 07:07:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-29 07:07:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:58 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:57.482484 End time: 2026-10-29 07:07:57.980810 2026-10-29 07:07:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:58 INFO statwt::::casa ########################################## 2026-10-29 07:07:58 INFO name:: No table opened. 2026-10-29 07:07:58 INFO name:: No table opened. .2026-10-29 07:07:58 INFO statwt::::casa ########################################## 2026-10-29 07:07:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:58 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' ) 2026-10-29 07:07:58 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:58 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:07:59 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. 2026-10-29 07:07:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:07:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:07:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:07:59 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:07:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:07:59 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-29 07:07:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:07:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-29 07:07:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-29 07:07:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:07:59 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:58.266755 End time: 2026-10-29 07:07:58.900687 2026-10-29 07:07:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:07:59 INFO statwt::::casa ########################################## 2026-10-29 07:07:59 INFO statwt::::casa ########################################## 2026-10-29 07:07:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:07:59 INFO statwt::::casa statwt( vis='ngc5921.split.normalbounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,field', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-29 07:07:59 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:07:59 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:07:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:07:59 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. 2026-10-29 07:07:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:00 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:00 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-29 07:08:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-29 07:08:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-29 07:08:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:00 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:07:59.200953 End time: 2026-10-29 07:07:59.878586 2026-10-29 07:08:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:00 INFO statwt::::casa ########################################## 2026-10-29 07:08:00 INFO name:: No table opened. 2026-10-29 07:08:00 INFO name:: No table opened. .2026-10-29 07:08:00 INFO statwt::::casa ########################################## 2026-10-29 07:08:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:00 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' ) 2026-10-29 07:08:00 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:00 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:00 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. 2026-10-29 07:08:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:00 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-29 07:08:00 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:00 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-29 07:08:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-29 07:08:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-29 07:08:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:01 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:00.067194 End time: 2026-10-29 07:08:00.682984 2026-10-29 07:08:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:01 INFO statwt::::casa ########################################## 2026-10-29 07:08:01 INFO statwt::::casa ########################################## 2026-10-29 07:08:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:01 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' ) 2026-10-29 07:08:01 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:01 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:08:01 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. 2026-10-29 07:08:01 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:01 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:01 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-29 07:08:01 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:01 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:01 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-29 07:08:01 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:01 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-29 07:08:01 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-29 07:08:01 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:01 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:00.943574 End time: 2026-10-29 07:08:01.299548 2026-10-29 07:08:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:01 INFO statwt::::casa ########################################## 2026-10-29 07:08:01 INFO name:: No table opened. 2026-10-29 07:08:01 INFO name:: No table opened. .2026-10-29 07:08:02 INFO statwt::::casa ########################################## 2026-10-29 07:08:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:02 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' ) 2026-10-29 07:08:02 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:02 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:02 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:02 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:02 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:02 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:02 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:02 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:02 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-29 07:08:02 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:02 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-29 07:08:02 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-29 07:08:02 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:02 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:01.519159 End time: 2026-10-29 07:08:02.006707 2026-10-29 07:08:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:02 INFO statwt::::casa ########################################## 2026-10-29 07:08:02 INFO statwt::::casa ########################################## 2026-10-29 07:08:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:02 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' ) 2026-10-29 07:08:02 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:02 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:08:02 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:02 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:03 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-10-29 07:08:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-10-29 07:08:03 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:03 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-10-29 07:08:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-10-29 07:08:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-10-29 07:08:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:03 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:02.116269 End time: 2026-10-29 07:08:02.699518 2026-10-29 07:08:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:03 INFO statwt::::casa ########################################## 2026-10-29 07:08:03 INFO name:: No table opened. 2026-10-29 07:08:03 INFO name:: No table opened. .2026-10-29 07:08:03 INFO statwt::::casa ########################################## 2026-10-29 07:08:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:03 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' ) 2026-10-29 07:08:03 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:03 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:03 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:03 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. 2026-10-29 07:08:03 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-10-29 07:08:04 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-29 07:08:04 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-10-29 07:08:04 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-10-29 07:08:04 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:04 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:02.973463 End time: 2026-10-29 07:08:03.598670 2026-10-29 07:08:04 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:04 INFO statwt::::casa ########################################## 2026-10-29 07:08:04 INFO statwt::::casa ########################################## 2026-10-29 07:08:04 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:04 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' ) 2026-10-29 07:08:04 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:04 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:04 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:04 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. 2026-10-29 07:08:04 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-10-29 07:08:04 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-10-29 07:08:04 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-29 07:08:04 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-10-29 07:08:04 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-10-29 07:08:04 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:05 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:03.869604 End time: 2026-10-29 07:08:04.541696 2026-10-29 07:08:05 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:05 INFO statwt::::casa ########################################## 2026-10-29 07:08:05 INFO name:: No table opened. 2026-10-29 07:08:05 INFO name:: No table opened. .2026-10-29 07:08:05 INFO statwt::::casa ########################################## 2026-10-29 07:08:05 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:05 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' ) 2026-10-29 07:08:05 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:05 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:05 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:05 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:05 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:05 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:05 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:05 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:05 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:05 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-10-29 07:08:05 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:05 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-10-29 07:08:05 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-10-29 07:08:05 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:06 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:04.798600 End time: 2026-10-29 07:08:05.739919 2026-10-29 07:08:06 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:06 INFO statwt::::casa ########################################## 2026-10-29 07:08:06 INFO name:: No table opened. 2026-10-29 07:08:06 INFO name:: No table opened. .2026-10-29 07:08:06 INFO statwt::::casa ########################################## 2026-10-29 07:08:06 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:06 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' ) 2026-10-29 07:08:06 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:06 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:06 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:07 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:07 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:07 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:07 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:07 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:07 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:07 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-29 07:08:07 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:07 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-29 07:08:07 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-29 07:08:07 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:07 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:06.314044 End time: 2026-10-29 07:08:06.800185 2026-10-29 07:08:07 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:07 INFO statwt::::casa ########################################## 2026-10-29 07:08:07 INFO statwt::::casa ########################################## 2026-10-29 07:08:07 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:07 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' ) 2026-10-29 07:08:07 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:07 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:07 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:08:08 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:08 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:08 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:08 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:08 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:08 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:08 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-29 07:08:08 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:08 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-29 07:08:08 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-29 07:08:08 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:08 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:07.248251 End time: 2026-10-29 07:08:07.820596 2026-10-29 07:08:08 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:08 INFO statwt::::casa ########################################## 2026-10-29 07:08:08 INFO name:: No table opened. 2026-10-29 07:08:08 INFO name:: No table opened. .2026-10-29 07:08:08 INFO statwt::::casa ########################################## 2026-10-29 07:08:08 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:08 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' ) 2026-10-29 07:08:08 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-10-29 07:08:08 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:08 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-10-29 07:08:08 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-29 07:08:08 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-29 07:08:08 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:08 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:08 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-29 07:08:08 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:08 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-29 07:08:08 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-29 07:08:08 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:08 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:08.036621 End time: 2026-10-29 07:08:08.203200 2026-10-29 07:08:08 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:08 INFO statwt::::casa ########################################## 2026-10-29 07:08:08 INFO name:: No table opened. 2026-10-29 07:08:08 INFO name:: No table opened. .2026-10-29 07:08:08 INFO statwt::::casa ########################################## 2026-10-29 07:08:08 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:08 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' ) 2026-10-29 07:08:08 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:08 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:08 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:08 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:08 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-29 07:08:09 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:09 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:09 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:09 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:09 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-29 07:08:09 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:09 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-29 07:08:09 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-29 07:08:09 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:09 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:08.280669 End time: 2026-10-29 07:08:08.709360 2026-10-29 07:08:09 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:09 INFO statwt::::casa ########################################## 2026-10-29 07:08:09 INFO name:: No table opened. 2026-10-29 07:08:09 INFO name:: No table opened. .2026-10-29 07:08:09 INFO statwt::::casa ########################################## 2026-10-29 07:08:09 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:09 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' ) 2026-10-29 07:08:09 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:09 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:09 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:09 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. 2026-10-29 07:08:09 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-29 07:08:10 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:10 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:10 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:10 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:10 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-29 07:08:10 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:10 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-29 07:08:10 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-29 07:08:10 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:10 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:09.023101 End time: 2026-10-29 07:08:09.846211 2026-10-29 07:08:10 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:10 INFO statwt::::casa ########################################## 2026-10-29 07:08:10 INFO name:: No table opened. 2026-10-29 07:08:10 INFO name:: No table opened. .2026-10-29 07:08:10 INFO statwt::::casa ########################################## 2026-10-29 07:08:10 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:10 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' ) 2026-10-29 07:08:10 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:10 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:10 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:11 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. 2026-10-29 07:08:11 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-29 07:08:11 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:11 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:11 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:11 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:11 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-29 07:08:11 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:11 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-29 07:08:11 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-29 07:08:11 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:11 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:10.297291 End time: 2026-10-29 07:08:10.993494 2026-10-29 07:08:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:11 INFO statwt::::casa ########################################## 2026-10-29 07:08:11 INFO name:: No table opened. 2026-10-29 07:08:11 INFO name:: No table opened. .2026-10-29 07:08:11 INFO statwt::::casa ########################################## 2026-10-29 07:08:11 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:11 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' ) 2026-10-29 07:08:11 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:11 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:11 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:12 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:12 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-29 07:08:12 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:12 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:12 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:12 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:12 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-29 07:08:12 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:12 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-29 07:08:12 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-29 07:08:12 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:13 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:11.470975 End time: 2026-10-29 07:08:12.576980 2026-10-29 07:08:13 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:13 INFO statwt::::casa ########################################## 2026-10-29 07:08:13 INFO name:: No table opened. 2026-10-29 07:08:13 INFO name:: No table opened. .2026-10-29 07:08:13 INFO statwt::::casa ########################################## 2026-10-29 07:08:13 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:13 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' ) 2026-10-29 07:08:13 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:13 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:13 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:13 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:13 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:14 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:14 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:14 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:14 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:14 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-29 07:08:14 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:14 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-29 07:08:14 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-29 07:08:14 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:14 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:12.947724 End time: 2026-10-29 07:08:13.713359 2026-10-29 07:08:14 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:14 INFO statwt::::casa ########################################## 2026-10-29 07:08:14 INFO name:: No table opened. 2026-10-29 07:08:14 INFO name:: No table opened. .2026-10-29 07:08:14 INFO statwt::::casa ########################################## 2026-10-29 07:08:14 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:14 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' ) 2026-10-29 07:08:14 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:14 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:14 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:14 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:14 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:14 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:14 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-29 07:08:14 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:14 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:14 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-10-29 07:08:14 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:14 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-10-29 07:08:14 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-10-29 07:08:14 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:14 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:13.846101 End time: 2026-10-29 07:08:14.171520 2026-10-29 07:08:14 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:14 INFO statwt::::casa ########################################## 2026-10-29 07:08:15 INFO name:: No table opened. 2026-10-29 07:08:15 INFO name:: No table opened. .2026-10-29 07:08:15 INFO statwt::::casa ########################################## 2026-10-29 07:08:15 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:15 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' ) 2026-10-29 07:08:15 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:15 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:15 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:15 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:15 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:15 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:15 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:15 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:15 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:15 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-10-29 07:08:15 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:15 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-10-29 07:08:15 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-10-29 07:08:15 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:15 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:14.543000 End time: 2026-10-29 07:08:15.309529 2026-10-29 07:08:15 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:15 INFO statwt::::casa ########################################## 2026-10-29 07:08:16 INFO name:: No table opened. 2026-10-29 07:08:16 INFO name:: No table opened. .2026-10-29 07:08:16 INFO statwt::::casa ########################################## 2026-10-29 07:08:16 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:16 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' ) 2026-10-29 07:08:16 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:16 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:16 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:08:16 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:16 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:16 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:16 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:16 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:16 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:16 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-10-29 07:08:16 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:16 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-10-29 07:08:16 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-10-29 07:08:16 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:16 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:15.686169 End time: 2026-10-29 07:08:16.481694 2026-10-29 07:08:16 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:16 INFO statwt::::casa ########################################## 2026-10-29 07:08:17 INFO statwt::::casa ########################################## 2026-10-29 07:08:17 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:17 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' ) 2026-10-29 07:08:17 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:17 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:17 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-29 07:08:17 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:17 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:17 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:17 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:17 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:17 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:17 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-10-29 07:08:17 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:17 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-10-29 07:08:17 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-10-29 07:08:17 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:17 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:16.846028 End time: 2026-10-29 07:08:17.391008 2026-10-29 07:08:17 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:17 INFO statwt::::casa ########################################## 2026-10-29 07:08:18 INFO name:: No table opened. 2026-10-29 07:08:18 INFO name:: No table opened. .2026-10-29 07:08:18 INFO statwt::::casa ########################################## 2026-10-29 07:08:18 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:18 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' ) 2026-10-29 07:08:18 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:18 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:18 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:18 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:18 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:18 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:18 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:18 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:18 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:18 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-29 07:08:18 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:18 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-29 07:08:18 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-29 07:08:18 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:18 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:17.794676 End time: 2026-10-29 07:08:18.346568 2026-10-29 07:08:18 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:18 INFO statwt::::casa ########################################## 2026-10-29 07:08:18 INFO name:: No table opened. 2026-10-29 07:08:18 INFO name:: No table opened. .2026-10-29 07:08:19 INFO statwt::::casa ########################################## 2026-10-29 07:08:19 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:19 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' ) 2026-10-29 07:08:19 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:19 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:19 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:19 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:19 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:19 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:19 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:19 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:19 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:19 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-29 07:08:19 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:19 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-29 07:08:19 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-29 07:08:19 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:19 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:18.502782 End time: 2026-10-29 07:08:19.178303 2026-10-29 07:08:19 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:19 INFO statwt::::casa ########################################## 2026-10-29 07:08:19 INFO statwt::::casa ########################################## 2026-10-29 07:08:19 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:19 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' ) 2026-10-29 07:08:19 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:19 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:19 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:08:19 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:19 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:20 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:20 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:20 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:20 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:20 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-10-29 07:08:20 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:20 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-10-29 07:08:20 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-10-29 07:08:20 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:20 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:19.259551 End time: 2026-10-29 07:08:20.022950 2026-10-29 07:08:20 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:20 INFO statwt::::casa ########################################## 2026-10-29 07:08:20 INFO statwt::::casa ########################################## 2026-10-29 07:08:20 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:20 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' ) 2026-10-29 07:08:20 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:20 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:20 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-29 07:08:20 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:20 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:21 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:21 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:21 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:21 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:21 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-10-29 07:08:21 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:21 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-10-29 07:08:21 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-10-29 07:08:21 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:21 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:20.084729 End time: 2026-10-29 07:08:20.689096 2026-10-29 07:08:21 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:21 INFO statwt::::casa ########################################## 2026-10-29 07:08:21 INFO statwt::::casa ########################################## 2026-10-29 07:08:21 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:21 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='f', fence=-1.0, center='median', lside=False, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-29 07:08:21 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:21 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:21 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-29 07:08:21 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:21 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:21 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:21 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:21 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:21 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:21 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-10-29 07:08:21 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:21 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-10-29 07:08:21 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-10-29 07:08:21 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:21 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:20.742377 End time: 2026-10-29 07:08:21.379006 2026-10-29 07:08:21 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:21 INFO statwt::::casa ########################################## 2026-10-29 07:08:21 INFO statwt::::casa ########################################## 2026-10-29 07:08:21 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:21 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='bogus', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-29 07:08:21 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:21 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:21 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-29 07:08:22 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:22 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-29 07:08:22 SEVERE statwt::::casa Exception Reported: Error in statwt: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-29 07:08:22 INFO statwt::::casa Traceback (most recent call last): 2026-10-29 07:08:22 INFO statwt::::casa+ File "/wheeldirectory/casa-6.8.0-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-29 07:08:22 INFO statwt::::casa+ task_result = _statwt_t( _pc.document['vis'],_pc.document['selectdata'],_pc.document['field'],_pc.document['spw'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['scan'],_pc.document['combine'],_pc.document['timebin'],_pc.document['slidetimebin'],_pc.document['chanbin'],_pc.document['minsamp'],_pc.document['statalg'],_pc.document['fence'],_pc.document['center'],_pc.document['lside'],_pc.document['zscore'],_pc.document['maxiter'],_pc.document['fitspw'],_pc.document['excludechans'],_pc.document['wtrange'],_pc.document['flagbackup'],_pc.document['preview'],_pc.document['datacolumn'] ) 2026-10-29 07:08:22 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-29 07:08:22 INFO statwt::::casa+ File "/wheeldirectory/casa-6.8.0-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-29 07:08:22 INFO statwt::::casa+ rval = myms.statwt( 2026-10-29 07:08:22 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-29 07:08:22 INFO statwt::::casa+ File "/wheeldirectory/casa-6.8.0-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-29 07:08:22 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-29 07:08:22 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-29 07:08:22 INFO statwt::::casa+ File "/wheeldirectory/casa-6.8.0-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2646, in statwt 2026-10-29 07:08:22 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-29 07:08:22 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-29 07:08:22 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-29 07:08:22 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:21.455205 End time: 2026-10-29 07:08:21.711659 2026-10-29 07:08:22 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:22 INFO statwt::::casa ########################################## 2026-10-29 07:08:22 INFO name:: No table opened. 2026-10-29 07:08:22 INFO name:: No table opened. .2026-10-29 07:08:22 INFO statwt::::casa ########################################## 2026-10-29 07:08:22 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:22 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' ) 2026-10-29 07:08:22 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:22 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:22 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:22 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:22 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:22 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:22 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:22 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:22 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:22 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-29 07:08:22 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:22 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-29 07:08:22 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-29 07:08:22 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:22 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:21.775159 End time: 2026-10-29 07:08:22.315505 2026-10-29 07:08:22 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:22 INFO statwt::::casa ########################################## 2026-10-29 07:08:23 INFO statwt::::casa ########################################## 2026-10-29 07:08:23 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:23 INFO statwt::::casa statwt( vis='ngc5921.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=10, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-29 07:08:23 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:23 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:23 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:08:23 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:23 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:23 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-29 07:08:23 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-29 07:08:23 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:23 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:23 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-10-29 07:08:23 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:23 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-10-29 07:08:23 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-10-29 07:08:23 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:23 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:22.687351 End time: 2026-10-29 07:08:23.405301 2026-10-29 07:08:23 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:23 INFO statwt::::casa ########################################## 2026-10-29 07:08:24 INFO name:: No table opened. 2026-10-29 07:08:24 INFO name:: No table opened. .2026-10-29 07:08:24 INFO statwt::::casa ########################################## 2026-10-29 07:08:24 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:24 INFO statwt::::casa statwt( vis='ngc5921.wtrange.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-29 07:08:24 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:24 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:24 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-29 07:08:24 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:24 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:24 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-29 07:08:24 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-29 07:08:24 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:24 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:24 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-29 07:08:24 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:24 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-29 07:08:24 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-29 07:08:24 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:25 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:23.800715 End time: 2026-10-29 07:08:24.529968 2026-10-29 07:08:25 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:25 INFO statwt::::casa ########################################## 2026-10-29 07:08:25 INFO statwt::::casa ########################################## 2026-10-29 07:08:25 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-29 07:08:25 INFO statwt::::casa statwt( vis='ngc5921.wtrange.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-29 07:08:25 INFO statwt::::casa Backup original flags before applying new flags 2026-10-29 07:08:25 INFO AgentFlagger::open Table type is Measurement Set 2026-10-29 07:08:25 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-29 07:08:25 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-29 07:08:25 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-29 07:08:25 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-29 07:08:25 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-29 07:08:25 INFO StatWtTVI::summarizeFlagging 2026-10-29 07:08:25 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-29 07:08:25 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-29 07:08:25 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-29 07:08:25 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-29 07:08:25 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-29 07:08:25 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-29 07:08:25 INFO statwt::::casa Task statwt complete. Start time: 2026-10-29 07:08:24.906435 End time: 2026-10-29 07:08:25.459193 2026-10-29 07:08:25 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-29 07:08:25 INFO statwt::::casa ########################################## 2026-10-29 07:08:26 INFO name:: No table opened. 2026-10-29 07:08:26 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 50.266s OK Generating XML reports...