2026-10-06 04:21:27 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-10-06 04:21:27 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.7-12-py3.12.el9/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-10-06 04:21:27 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-10-06 04:21:27 INFO ::casa 2026-10-06 04:21:27 INFO ::casa config values 2026-10-06 04:21:27 INFO ::casa agg = False 2026-10-06 04:21:27 INFO ::casa cachedir = '/home/casatest/.casa' 2026-10-06 04:21:27 INFO ::casa casaconfig_verbose = 1 2026-10-06 04:21:27 INFO ::casa colors = 'Neutral' 2026-10-06 04:21:27 INFO ::casa data_auto_update = False 2026-10-06 04:21:27 INFO ::casa data_update_interval = 1 2026-10-06 04:21:27 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-10-06 04:21:27 INFO ::casa iplog = False 2026-10-06 04:21:27 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20261006-042122.log' 2026-10-06 04:21:27 INFO ::casa log2term = True 2026-10-06 04:21:27 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20261006-042122.log' 2026-10-06 04:21:27 INFO ::casa measures_auto_update = False 2026-10-06 04:21:27 INFO ::casa measures_site = ['https://iers.astron.nl/', 'https://go.nrao.edu/iers/'] 2026-10-06 04:21:27 INFO ::casa measures_site_interval = 2 2026-10-06 04:21:27 INFO ::casa measures_update_interval = 1 2026-10-06 04:21:27 INFO ::casa measurespath = '/opt/casa/data/master' 2026-10-06 04:21:27 INFO ::casa nogui = False 2026-10-06 04:21:27 INFO ::casa nologfile = False 2026-10-06 04:21:27 INFO ::casa nologger = True 2026-10-06 04:21:27 INFO ::casa pipeline = False 2026-10-06 04:21:27 INFO ::casa skipnetworkcheck = False 2026-10-06 04:21:27 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-10-06 04:21:27 INFO ::casa user_site = False 2026-10-06 04:21:27 INFO ::casa 2026-10-06 04:21:27 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-06 04:21:27 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-06 04:21:27 INFO ::casa 2026-10-06 04:21:27 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-10-06 04:21:27 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/09/10/15:15, 2026/08/11/00:00:00 2026-10-06 04:21:27 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/09/10/15:15, 2026/08/11/00:00:00 2026-10-06 04:21:27 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/10/05/15:15, 2027/01/03/00:00:00 2026-10-06 04:21:27 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2026/10/05/15:15, 2017/01/01/00:00:00 Running tests... ---------------------------------------------------------------------- Using user configuration file /home/casatest/.casa/config.py No event loop hook running. Using matplotlib backend: agg CASA 6.7.7.12 -- Common Astronomy Software Applications [6.7.7.12] 2026-10-06 04:21:27 INFO statwt::::casa ########################################## 2026-10-06 04:21:27 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:27 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' ) 2026-10-06 04:21:27 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:27 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:27 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:27 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. 2026-10-06 04:21:27 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:27 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:27 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:27 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:27 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:27 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-06 04:21:27 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-06 04:21:27 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-06 04:21:27 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-06 04:21:27 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:28 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:27.078411 End time: 2026-10-06 04:21:27.502827 2026-10-06 04:21:28 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:28 INFO statwt::::casa ########################################## 2026-10-06 04:21:28 INFO statwt::::casa ########################################## 2026-10-06 04:21:28 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:28 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' ) 2026-10-06 04:21:28 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:28 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:28 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:21:28 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. 2026-10-06 04:21:28 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:28 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:28 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:28 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:28 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:28 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-06 04:21:28 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:28 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-06 04:21:28 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-06 04:21:28 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:28 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:27.956712 End time: 2026-10-06 04:21:28.370077 2026-10-06 04:21:28 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:28 INFO statwt::::casa ########################################## 2026-10-06 04:21:29 INFO statwt::::casa ########################################## 2026-10-06 04:21:29 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:29 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:10~20', excludechans=True, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:29 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:29 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:29 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-06 04:21:29 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:29 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:29 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:29 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:29 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:29 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:29 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-06 04:21:29 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-06 04:21:29 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-06 04:21:29 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-06 04:21:29 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:29 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:28.710563 End time: 2026-10-06 04:21:29.139550 2026-10-06 04:21:29 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:29 INFO statwt::::casa ########################################## 2026-10-06 04:21:29 INFO statwt::::casa ########################################## 2026-10-06 04:21:29 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:29 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' ) 2026-10-06 04:21:29 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:29 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:29 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-06 04:21:29 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:29 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:30 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:30 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:30 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:30 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:30 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-06 04:21:30 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-06 04:21:30 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-06 04:21:30 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-06 04:21:30 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:30 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:29.257493 End time: 2026-10-06 04:21:29.525075 2026-10-06 04:21:30 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:30 INFO statwt::::casa ########################################## 2026-10-06 04:21:30 INFO statwt::::casa ########################################## 2026-10-06 04:21:30 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:30 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' ) 2026-10-06 04:21:30 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:30 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:30 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-06 04:21:30 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:30 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:30 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:30 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:30 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:30 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:30 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-06 04:21:30 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:30 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-06 04:21:30 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-06 04:21:30 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:30 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:29.916669 End time: 2026-10-06 04:21:30.196444 2026-10-06 04:21:30 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:30 INFO statwt::::casa ########################################## 2026-10-06 04:21:31 INFO statwt::::casa ########################################## 2026-10-06 04:21:31 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:31 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:10~20', excludechans=True, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:31 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:31 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:31 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-06 04:21:31 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:31 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:31 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:31 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:31 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:31 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:31 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-06 04:21:31 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-06 04:21:31 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-06 04:21:31 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-06 04:21:31 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:31 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:30.968385 End time: 2026-10-06 04:21:31.265201 2026-10-06 04:21:31 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:31 INFO statwt::::casa ########################################## 2026-10-06 04:21:31 INFO name:: No table opened. 2026-10-06 04:21:31 INFO name:: No table opened. .2026-10-06 04:21:31 INFO statwt::::casa ########################################## 2026-10-06 04:21:31 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:31 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' ) 2026-10-06 04:21:31 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:31 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:31 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:31 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:31 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:33 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:33 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:33 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:33 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:33 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-06 04:21:33 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:33 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-06 04:21:33 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-06 04:21:33 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:33 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:31.429373 End time: 2026-10-06 04:21:32.545995 2026-10-06 04:21:33 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:33 INFO statwt::::casa ########################################## 2026-10-06 04:21:33 INFO statwt::::casa ########################################## 2026-10-06 04:21:33 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:33 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:33 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:33 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:33 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:21:33 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:33 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:34 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:34 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:34 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:34 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:34 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-06 04:21:34 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:34 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-06 04:21:34 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-06 04:21:34 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:34 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:32.622041 End time: 2026-10-06 04:21:33.820304 2026-10-06 04:21:34 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:34 INFO statwt::::casa ########################################## 2026-10-06 04:21:34 INFO statwt::::casa ########################################## 2026-10-06 04:21:34 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:34 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' ) 2026-10-06 04:21:34 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:34 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:34 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-06 04:21:34 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. 2026-10-06 04:21:34 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-06 04:21:34 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-06 04:21:34 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:35 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:35 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:35 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:35 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:35 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-06 04:21:35 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:35 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-06 04:21:35 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-06 04:21:35 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:35 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:33.867777 End time: 2026-10-06 04:21:35.185502 2026-10-06 04:21:35 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:35 INFO statwt::::casa ########################################## 2026-10-06 04:21:35 INFO statwt::::casa ########################################## 2026-10-06 04:21:35 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:35 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=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' ) 2026-10-06 04:21:35 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:35 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:35 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-06 04:21:35 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:35 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-06 04:21:35 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-06 04:21:35 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:36 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:36 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:36 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:36 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:36 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-06 04:21:36 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:36 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-06 04:21:36 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-06 04:21:36 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:36 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:35.248525 End time: 2026-10-06 04:21:36.442255 2026-10-06 04:21:36 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:36 INFO statwt::::casa ########################################## 2026-10-06 04:21:36 INFO statwt::::casa ########################################## 2026-10-06 04:21:36 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:36 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' ) 2026-10-06 04:21:36 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:36 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:36 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-06 04:21:37 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:37 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:37 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:37 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:37 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:37 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:37 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-06 04:21:37 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:37 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-06 04:21:37 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-06 04:21:37 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:37 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:36.483760 End time: 2026-10-06 04:21:37.124976 2026-10-06 04:21:37 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:37 INFO statwt::::casa ########################################## 2026-10-06 04:21:37 INFO statwt::::casa ########################################## 2026-10-06 04:21:37 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:37 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=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' ) 2026-10-06 04:21:37 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:37 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:37 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-06 04:21:37 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:37 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:38 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:38 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:38 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:38 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:38 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-06 04:21:38 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:38 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-06 04:21:38 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-06 04:21:38 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:38 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:37.166134 End time: 2026-10-06 04:21:37.810203 2026-10-06 04:21:38 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:38 INFO statwt::::casa ########################################## 2026-10-06 04:21:38 INFO statwt::::casa ########################################## 2026-10-06 04:21:38 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:38 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:38 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:38 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:38 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-10-06 04:21:38 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. 2026-10-06 04:21:38 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-06 04:21:38 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-06 04:21:38 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:39 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:39 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:39 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:39 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:39 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-06 04:21:39 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:39 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-06 04:21:39 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-06 04:21:39 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:39 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:37.858552 End time: 2026-10-06 04:21:38.524726 2026-10-06 04:21:39 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:39 INFO statwt::::casa ########################################## 2026-10-06 04:21:39 INFO name:: No table opened. 2026-10-06 04:21:39 INFO name:: No table opened. .2026-10-06 04:21:40 INFO statwt::::casa ########################################## 2026-10-06 04:21:40 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:40 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' ) 2026-10-06 04:21:40 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:40 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:40 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:40 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. 2026-10-06 04:21:40 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-06 04:21:40 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-06 04:21:40 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 04:21:42 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:42 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-06 04:21:42 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:42 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:42 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-06 04:21:42 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-10-06 04:21:42 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-06 04:21:42 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-10-06 04:21:42 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-10-06 04:21:42 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:42 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:39.707484 End time: 2026-10-06 04:21:41.782352 2026-10-06 04:21:42 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:42 INFO statwt::::casa ########################################## 2026-10-06 04:21:42 INFO statwt::::casa ########################################## 2026-10-06 04:21:42 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:42 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' ) 2026-10-06 04:21:42 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:42 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:42 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:42 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. 2026-10-06 04:21:42 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-06 04:21:42 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-06 04:21:43 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. 2026-10-06 04:21:43 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 2026-10-06 04:21:43 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. 2026-10-06 04:21:43 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 2026-10-06 04:21:43 INFO statwt::::casa Traceback (most recent call last): 2026-10-06 04:21:43 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-06 04:21:43 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'] ) 2026-10-06 04:21:43 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 04:21:43 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-06 04:21:43 INFO statwt::::casa+ rval = myms.statwt( 2026-10-06 04:21:43 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-06 04:21:43 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-06 04:21:43 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-06 04:21:43 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 04:21:43 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2646, in statwt 2026-10-06 04:21:43 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-06 04:21:43 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 04:21:43 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. 2026-10-06 04:21:43 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 2026-10-06 04:21:43 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:42.419743 End time: 2026-10-06 04:21:43.014567 2026-10-06 04:21:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:43 INFO statwt::::casa ########################################## 2026-10-06 04:21:43 INFO statwt::::casa ########################################## 2026-10-06 04:21:43 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:43 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_0.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 04:21:43 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:43 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:43 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:21:43 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-06 04:21:43 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 04:21:44 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:44 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-10-06 04:21:44 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:44 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:44 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-06 04:21:44 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-10-06 04:21:44 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-10-06 04:21:44 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-10-06 04:21:44 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:44 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:43.017615 End time: 2026-10-06 04:21:43.723792 2026-10-06 04:21:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:44 INFO statwt::::casa ########################################## 2026-10-06 04:21:44 INFO name:: No table opened. 2026-10-06 04:21:44 INFO name:: No table opened. .2026-10-06 04:21:44 INFO statwt::::casa ########################################## 2026-10-06 04:21:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:44 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' ) 2026-10-06 04:21:44 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:44 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:44 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-06 04:21:44 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-10-06 04:21:44 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:44 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:44 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:44 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:44 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-06 04:21:44 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:44 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-06 04:21:44 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-06 04:21:44 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:44 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:43.823986 End time: 2026-10-06 04:21:44.087376 2026-10-06 04:21:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:44 INFO statwt::::casa ########################################## 2026-10-06 04:21:45 INFO name:: No table opened. 2026-10-06 04:21:45 INFO name:: No table opened. .2026-10-06 04:21:45 INFO statwt::::casa ########################################## 2026-10-06 04:21:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:45 INFO statwt::::casa statwt( vis='ngc5921.split.normalbounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:45 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:45 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:45 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:45 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:45 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:45 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:45 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-06 04:21:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-06 04:21:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-06 04:21:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:45 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:44.777147 End time: 2026-10-06 04:21:45.051871 2026-10-06 04:21:45 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:45 INFO statwt::::casa ########################################## 2026-10-06 04:21:45 INFO statwt::::casa ########################################## 2026-10-06 04:21:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:45 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' ) 2026-10-06 04:21:45 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:45 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:21:45 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:45 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-06 04:21:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-06 04:21:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-06 04:21:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:46 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:45.357417 End time: 2026-10-06 04:21:45.598301 2026-10-06 04:21:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:46 INFO statwt::::casa ########################################## 2026-10-06 04:21:46 INFO name:: No table opened. 2026-10-06 04:21:46 INFO name:: No table opened. .2026-10-06 04:21:46 INFO statwt::::casa ########################################## 2026-10-06 04:21:46 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:46 INFO statwt::::casa statwt( vis='ngc5921.split.fieldsel.ms', selectdata=True, field='2', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:46 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:46 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:46 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. 2026-10-06 04:21:46 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-06 04:21:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-06 04:21:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-06 04:21:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:46 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:45.717204 End time: 2026-10-06 04:21:45.935362 2026-10-06 04:21:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:46 INFO statwt::::casa ########################################## 2026-10-06 04:21:46 INFO statwt::::casa ########################################## 2026-10-06 04:21:46 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:46 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' ) 2026-10-06 04:21:46 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:46 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:21:46 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. 2026-10-06 04:21:46 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:46 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-06 04:21:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-06 04:21:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-06 04:21:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:46 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:46.180062 End time: 2026-10-06 04:21:46.395318 2026-10-06 04:21:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:46 INFO statwt::::casa ########################################## 2026-10-06 04:21:46 INFO name:: No table opened. 2026-10-06 04:21:46 INFO name:: No table opened. .2026-10-06 04:21:47 INFO statwt::::casa ########################################## 2026-10-06 04:21:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:47 INFO statwt::::casa statwt( vis='ngc5921.split.minsamp.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=60, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:47 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:47 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:47 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. 2026-10-06 04:21:47 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:47 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:47 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:47 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-06 04:21:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-06 04:21:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-06 04:21:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:47 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:46.518326 End time: 2026-10-06 04:21:46.836604 2026-10-06 04:21:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:47 INFO statwt::::casa ########################################## 2026-10-06 04:21:47 INFO statwt::::casa ########################################## 2026-10-06 04:21:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:47 INFO statwt::::casa statwt( vis='ngc5921.split.minsamp.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=80, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:47 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:47 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:21:47 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. 2026-10-06 04:21:47 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:47 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-10-06 04:21:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-10-06 04:21:47 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:47 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-10-06 04:21:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-10-06 04:21:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-10-06 04:21:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:47 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:46.904505 End time: 2026-10-06 04:21:47.227665 2026-10-06 04:21:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:47 INFO statwt::::casa ########################################## 2026-10-06 04:21:47 INFO name:: No table opened. 2026-10-06 04:21:47 INFO name:: No table opened. .2026-10-06 04:21:47 INFO statwt::::casa ########################################## 2026-10-06 04:21:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:47 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' ) 2026-10-06 04:21:47 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:47 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:48 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-06 04:21:48 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 04:21:48 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:48 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-06 04:21:48 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:48 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:48 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-10-06 04:21:48 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-10-06 04:21:48 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-06 04:21:48 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-10-06 04:21:48 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-10-06 04:21:48 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:48 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:47.494562 End time: 2026-10-06 04:21:47.871161 2026-10-06 04:21:48 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:48 INFO statwt::::casa ########################################## 2026-10-06 04:21:48 INFO statwt::::casa ########################################## 2026-10-06 04:21:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:48 INFO statwt::::casa statwt( vis='statwt_test_vlass_timebin5s.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='5s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 04:21:48 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:48 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:48 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-06 04:21:48 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-10-06 04:21:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-06 04:21:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-10-06 04:21:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-10-06 04:21:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:49 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:48.160553 End time: 2026-10-06 04:21:48.544363 2026-10-06 04:21:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:49 INFO statwt::::casa ########################################## 2026-10-06 04:21:49 INFO name:: No table opened. 2026-10-06 04:21:49 INFO name:: No table opened. .2026-10-06 04:21:49 INFO statwt::::casa ########################################## 2026-10-06 04:21:49 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:49 INFO statwt::::casa statwt( vis='ngc5921.no_scan_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr, scan', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:49 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:49 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:49 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:49 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. 2026-10-06 04:21:49 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-10-06 04:21:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-10-06 04:21:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-10-06 04:21:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:49 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:48.642287 End time: 2026-10-06 04:21:48.928162 2026-10-06 04:21:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:49 INFO statwt::::casa ########################################## 2026-10-06 04:21:49 INFO name:: No table opened. 2026-10-06 04:21:49 INFO name:: No table opened. .2026-10-06 04:21:49 INFO statwt::::casa ########################################## 2026-10-06 04:21:49 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:49 INFO statwt::::casa statwt( vis='ngc5921.no_scan_nor_field_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,scan,field', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:49 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:49 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:49 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:49 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. 2026-10-06 04:21:49 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:49 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-06 04:21:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-06 04:21:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-06 04:21:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:49 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:49.187519 End time: 2026-10-06 04:21:49.410640 2026-10-06 04:21:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:49 INFO statwt::::casa ########################################## 2026-10-06 04:21:50 INFO statwt::::casa ########################################## 2026-10-06 04:21:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:50 INFO statwt::::casa statwt( vis='ngc5921.no_scan_nor_field_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,field,scan', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:50 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:50 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:21:50 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. 2026-10-06 04:21:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:50 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:50 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-06 04:21:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-06 04:21:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-06 04:21:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:50 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:49.601938 End time: 2026-10-06 04:21:49.891326 2026-10-06 04:21:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:50 INFO statwt::::casa ########################################## 2026-10-06 04:21:50 INFO name:: No table opened. 2026-10-06 04:21:50 INFO name:: No table opened. .2026-10-06 04:21:50 INFO statwt::::casa ########################################## 2026-10-06 04:21:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:50 INFO statwt::::casa statwt( vis='ngc5921.split.preview.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=True, datacolumn='corrected' ) 2026-10-06 04:21:50 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-10-06 04:21:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:50 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-10-06 04:21:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-06 04:21:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-06 04:21:50 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:50 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-06 04:21:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-06 04:21:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-06 04:21:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:50 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:50.079957 End time: 2026-10-06 04:21:50.252728 2026-10-06 04:21:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:50 INFO statwt::::casa ########################################## 2026-10-06 04:21:50 INFO name:: No table opened. 2026-10-06 04:21:50 INFO name:: No table opened. .2026-10-06 04:21:50 INFO statwt::::casa ########################################## 2026-10-06 04:21:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:50 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' ) 2026-10-06 04:21:50 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:50 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:50 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. 2026-10-06 04:21:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-06 04:21:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:51 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:51 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-06 04:21:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-06 04:21:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-06 04:21:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:51 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:50.319253 End time: 2026-10-06 04:21:50.743047 2026-10-06 04:21:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:51 INFO statwt::::casa ########################################## 2026-10-06 04:21:51 INFO name:: No table opened. 2026-10-06 04:21:51 INFO name:: No table opened. .2026-10-06 04:21:51 INFO statwt::::casa ########################################## 2026-10-06 04:21:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:51 INFO statwt::::casa statwt( vis='ngc5921.split.residualdatawmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 04:21:51 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:51 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:51 INFO StatWtColConfig::_determineFlags Updating the SIGMA/SIGMA_SPECTRUM values. WEIGHT/WEIGHT_SPECTRUM will not be recalculated as they are related to the values in the CORRECTED_DATA column. 2026-10-06 04:21:51 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 04:21:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:51 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:51 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-06 04:21:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-06 04:21:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-06 04:21:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:51 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:51.010128 End time: 2026-10-06 04:21:51.497373 2026-10-06 04:21:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:51 INFO statwt::::casa ########################################## 2026-10-06 04:21:52 INFO name:: No table opened. 2026-10-06 04:21:52 INFO name:: No table opened. .2026-10-06 04:21:52 INFO statwt::::casa ########################################## 2026-10-06 04:21:52 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:52 INFO statwt::::casa statwt( vis='ngc5921.split.residualdatawoutmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 04:21:52 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:52 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:52 INFO StatWtColConfig::_determineFlags Updating the SIGMA/SIGMA_SPECTRUM values. WEIGHT/WEIGHT_SPECTRUM will not be recalculated as they are related to the values in the CORRECTED_DATA column. 2026-10-06 04:21:52 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 04:21:52 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:52 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:52 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-06 04:21:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-06 04:21:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-06 04:21:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:52 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:51.736938 End time: 2026-10-06 04:21:52.107752 2026-10-06 04:21:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:52 INFO statwt::::casa ########################################## 2026-10-06 04:21:52 INFO name:: No table opened. 2026-10-06 04:21:52 INFO name:: No table opened. .2026-10-06 04:21:52 INFO statwt::::casa ########################################## 2026-10-06 04:21:52 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:52 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' ) 2026-10-06 04:21:52 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:52 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:52 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:52 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-06 04:21:53 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:53 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:53 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-06 04:21:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-06 04:21:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-06 04:21:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:53 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:52.321239 End time: 2026-10-06 04:21:52.741754 2026-10-06 04:21:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:53 INFO statwt::::casa ########################################## 2026-10-06 04:21:53 INFO name:: No table opened. 2026-10-06 04:21:53 INFO name:: No table opened. .2026-10-06 04:21:53 INFO statwt::::casa ########################################## 2026-10-06 04:21:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:53 INFO statwt::::casa statwt( vis='ngc5921.split.statstest.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:53 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:53 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:53 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:53 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:53 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:53 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:53 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-06 04:21:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-06 04:21:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-06 04:21:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:53 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:52.972637 End time: 2026-10-06 04:21:53.361420 2026-10-06 04:21:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:53 INFO statwt::::casa ########################################## 2026-10-06 04:21:53 INFO name:: No table opened. 2026-10-06 04:21:53 INFO name:: No table opened. .2026-10-06 04:21:53 INFO statwt::::casa ########################################## 2026-10-06 04:21:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:53 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' ) 2026-10-06 04:21:53 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:53 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:53 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:53 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:54 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-06 04:21:54 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:54 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-10-06 04:21:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-10-06 04:21:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-10-06 04:21:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:54 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:53.423912 End time: 2026-10-06 04:21:53.523558 2026-10-06 04:21:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:54 INFO statwt::::casa ########################################## 2026-10-06 04:21:54 INFO name:: No table opened. 2026-10-06 04:21:54 INFO name:: No table opened. .2026-10-06 04:21:54 INFO statwt::::casa ########################################## 2026-10-06 04:21:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:54 INFO statwt::::casa statwt( vis='ngc5921.split.sliding_time_window.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin='300s', slidetimebin=True, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:54 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:54 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:54 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:54 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:54 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-10-06 04:21:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-10-06 04:21:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-10-06 04:21:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:54 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:53.785557 End time: 2026-10-06 04:21:54.240543 2026-10-06 04:21:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:54 INFO statwt::::casa ########################################## 2026-10-06 04:21:54 INFO name:: No table opened. 2026-10-06 04:21:54 INFO name:: No table opened. .2026-10-06 04:21:54 INFO statwt::::casa ########################################## 2026-10-06 04:21:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:54 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' ) 2026-10-06 04:21:54 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:54 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:21:55 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:55 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:55 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:55 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-10-06 04:21:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-10-06 04:21:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-10-06 04:21:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:55 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:54.464266 End time: 2026-10-06 04:21:54.858987 2026-10-06 04:21:55 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:55 INFO statwt::::casa ########################################## 2026-10-06 04:21:55 INFO statwt::::casa ########################################## 2026-10-06 04:21:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:55 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' ) 2026-10-06 04:21:55 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:55 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-06 04:21:55 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:56 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:56 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-10-06 04:21:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-10-06 04:21:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-10-06 04:21:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:56 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:55.135808 End time: 2026-10-06 04:21:55.590249 2026-10-06 04:21:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:56 INFO statwt::::casa ########################################## 2026-10-06 04:21:56 INFO name:: No table opened. 2026-10-06 04:21:56 INFO name:: No table opened. .2026-10-06 04:21:56 INFO statwt::::casa ########################################## 2026-10-06 04:21:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:56 INFO statwt::::casa statwt( vis='ngc5921.split.spwsel.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:56 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:56 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:56 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:56 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:56 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-06 04:21:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-06 04:21:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-06 04:21:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:56 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:55.818134 End time: 2026-10-06 04:21:56.100584 2026-10-06 04:21:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:56 INFO statwt::::casa ########################################## 2026-10-06 04:21:56 INFO name:: No table opened. 2026-10-06 04:21:56 INFO name:: No table opened. .2026-10-06 04:21:56 INFO statwt::::casa ########################################## 2026-10-06 04:21:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:56 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' ) 2026-10-06 04:21:56 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:56 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:56 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:57 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:57 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-06 04:21:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-06 04:21:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-06 04:21:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:57 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:56.235192 End time: 2026-10-06 04:21:56.589476 2026-10-06 04:21:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:57 INFO statwt::::casa ########################################## 2026-10-06 04:21:57 INFO statwt::::casa ########################################## 2026-10-06 04:21:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:57 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='ch', fence=-1.0, center='mean', lside=True, zscore=5.0, maxiter=3, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:57 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:57 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:21:57 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:57 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:57 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-10-06 04:21:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-10-06 04:21:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-10-06 04:21:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:57 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:56.630106 End time: 2026-10-06 04:21:57.073674 2026-10-06 04:21:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:57 INFO statwt::::casa ########################################## 2026-10-06 04:21:57 INFO statwt::::casa ########################################## 2026-10-06 04:21:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:57 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='h', fence=0.2, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:57 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:57 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-06 04:21:57 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:58 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:58 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-10-06 04:21:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-10-06 04:21:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-10-06 04:21:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:58 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:57.118952 End time: 2026-10-06 04:21:57.635296 2026-10-06 04:21:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:58 INFO statwt::::casa ########################################## 2026-10-06 04:21:58 INFO statwt::::casa ########################################## 2026-10-06 04:21:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:58 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='f', fence=-1.0, center='median', lside=False, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:58 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:58 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-06 04:21:58 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:58 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:58 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:58 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-10-06 04:21:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-10-06 04:21:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-10-06 04:21:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:58 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:57.675763 End time: 2026-10-06 04:21:58.192906 2026-10-06 04:21:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:58 INFO statwt::::casa ########################################## 2026-10-06 04:21:58 INFO statwt::::casa ########################################## 2026-10-06 04:21:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:58 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='bogus', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:21:58 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:58 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-06 04:21:58 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:58 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-06 04:21:58 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 2026-10-06 04:21:58 INFO statwt::::casa Traceback (most recent call last): 2026-10-06 04:21:58 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-06 04:21:58 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'] ) 2026-10-06 04:21:58 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 04:21:58 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-06 04:21:58 INFO statwt::::casa+ rval = myms.statwt( 2026-10-06 04:21:58 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-06 04:21:58 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-06 04:21:58 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-06 04:21:58 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 04:21:58 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2646, in statwt 2026-10-06 04:21:58 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-06 04:21:58 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 04:21:58 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-06 04:21:58 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:58.238616 End time: 2026-10-06 04:21:58.302133 2026-10-06 04:21:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:58 INFO statwt::::casa ########################################## 2026-10-06 04:21:58 INFO name:: No table opened. 2026-10-06 04:21:58 INFO name:: No table opened. .2026-10-06 04:21:58 INFO statwt::::casa ########################################## 2026-10-06 04:21:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:58 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' ) 2026-10-06 04:21:58 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:58 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:21:58 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 04:21:58 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:59 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:59 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-06 04:21:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-06 04:21:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-06 04:21:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:59 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:58.343544 End time: 2026-10-06 04:21:58.606031 2026-10-06 04:21:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:59 INFO statwt::::casa ########################################## 2026-10-06 04:21:59 INFO statwt::::casa ########################################## 2026-10-06 04:21:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:21:59 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' ) 2026-10-06 04:21:59 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:21:59 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:21:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:21:59 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. 2026-10-06 04:21:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:21:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 04:21:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 04:21:59 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:21:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:21:59 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-10-06 04:21:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:21:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-10-06 04:21:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-10-06 04:21:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:21:59 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:59.002859 End time: 2026-10-06 04:21:59.317029 2026-10-06 04:21:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:21:59 INFO statwt::::casa ########################################## 2026-10-06 04:21:59 INFO name:: No table opened. 2026-10-06 04:21:59 INFO name:: No table opened. .2026-10-06 04:22:00 INFO statwt::::casa ########################################## 2026-10-06 04:22:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:22:00 INFO statwt::::casa statwt( vis='ngc5921.wtrange.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:22:00 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:22:00 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:22:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 04:22:00 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. 2026-10-06 04:22:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:22:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-06 04:22:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-06 04:22:00 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:22:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:22:00 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-06 04:22:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:22:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-06 04:22:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-06 04:22:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:22:00 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:59.502831 End time: 2026-10-06 04:21:59.743904 2026-10-06 04:22:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:22:00 INFO statwt::::casa ########################################## 2026-10-06 04:22:00 INFO statwt::::casa ########################################## 2026-10-06 04:22:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 04:22:00 INFO statwt::::casa statwt( vis='ngc5921.wtrange.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 04:22:00 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 04:22:00 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 04:22:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 04:22:00 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. 2026-10-06 04:22:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 04:22:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-06 04:22:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-06 04:22:00 INFO StatWtTVI::summarizeFlagging 2026-10-06 04:22:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 04:22:00 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-06 04:22:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 04:22:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-06 04:22:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-06 04:22:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 04:22:00 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 04:21:59.922969 End time: 2026-10-06 04:22:00.216907 2026-10-06 04:22:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 04:22:00 INFO statwt::::casa ########################################## 2026-10-06 04:22:00 INFO name:: No table opened. 2026-10-06 04:22:00 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 33.666s OK Generating XML reports...