2026-01-30 01:46:07 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-01-30 01:46:07 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.5-1-py3.12.el8/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-01-30 01:46:07 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-01-30 01:46:07 INFO ::casa 2026-01-30 01:46:07 INFO ::casa config values 2026-01-30 01:46:07 INFO ::casa agg = False 2026-01-30 01:46:07 INFO ::casa cachedir = '/home/casatest/.casa' 2026-01-30 01:46:07 INFO ::casa casaconfig_verbose = 1 2026-01-30 01:46:07 INFO ::casa colors = 'Neutral' 2026-01-30 01:46:07 INFO ::casa data_auto_update = False 2026-01-30 01:46:07 INFO ::casa data_update_interval = 1 2026-01-30 01:46:07 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-01-30 01:46:07 INFO ::casa iplog = False 2026-01-30 01:46:07 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20260130-014603.log' 2026-01-30 01:46:07 INFO ::casa log2term = True 2026-01-30 01:46:07 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20260130-014603.log' 2026-01-30 01:46:07 INFO ::casa measures_auto_update = False 2026-01-30 01:46:07 INFO ::casa measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/'] 2026-01-30 01:46:07 INFO ::casa measures_site_interval = 2 2026-01-30 01:46:07 INFO ::casa measures_update_interval = 1 2026-01-30 01:46:07 INFO ::casa measurespath = '/opt/casa/data/master' 2026-01-30 01:46:07 INFO ::casa nogui = False 2026-01-30 01:46:07 INFO ::casa nologfile = False 2026-01-30 01:46:07 INFO ::casa nologger = True 2026-01-30 01:46:07 INFO ::casa pipeline = False 2026-01-30 01:46:07 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-01-30 01:46:07 INFO ::casa user_site = False 2026-01-30 01:46:07 INFO ::casa 2026-01-30 01:46:07 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-01-30 01:46:07 INFO ::casa measures version : WSRT_Measures_20211217-160001.ztar 2026-01-30 01:46:07 INFO ::casa 2026-01-30 01:46:07 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-01-30 01:46:07 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/01/19/15:15, 2025/12/20/00:00:00 2026-01-30 01:46:08 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/01/19/15:15, 2025/12/20/00:00:00 2026-01-30 01:46:08 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/01/29/15:15, 2026/04/29/00:00:00 2026-01-30 01:46:08 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2026/01/22/15:15, 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 6.7.5.1 -- Common Astronomy Software Applications [6.7.5.1] 2026-01-30 01:46:08 INFO statwt::::casa ########################################## 2026-01-30 01:46:08 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:08 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' ) 2026-01-30 01:46:08 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:08 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:08 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:08 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:08 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:09 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:09 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:09 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:09 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:09 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-01-30 01:46:09 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-01-30 01:46:09 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-01-30 01:46:09 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-01-30 01:46:09 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:09 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:08.182150 End time: 2026-01-30 01:46:08.942271 2026-01-30 01:46:09 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:09 INFO statwt::::casa ########################################## 2026-01-30 01:46:09 INFO statwt::::casa ########################################## 2026-01-30 01:46:09 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:09 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' ) 2026-01-30 01:46:09 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:09 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:09 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:09 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:09 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:10 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:10 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:10 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:10 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:10 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-01-30 01:46:10 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:10 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-01-30 01:46:10 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-01-30 01:46:10 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:10 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:09.291688 End time: 2026-01-30 01:46:09.972431 2026-01-30 01:46:10 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:10 INFO statwt::::casa ########################################## 2026-01-30 01:46:10 INFO statwt::::casa ########################################## 2026-01-30 01:46:10 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:10 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' ) 2026-01-30 01:46:10 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:10 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:10 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-01-30 01:46:10 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:10 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:11 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:11 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:11 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:11 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:11 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-01-30 01:46:11 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-01-30 01:46:11 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-01-30 01:46:11 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-01-30 01:46:11 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:11 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:10.310725 End time: 2026-01-30 01:46:11.009099 2026-01-30 01:46:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:11 INFO statwt::::casa ########################################## 2026-01-30 01:46:11 INFO statwt::::casa ########################################## 2026-01-30 01:46:11 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:11 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' ) 2026-01-30 01:46:11 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:11 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:11 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-01-30 01:46:11 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:11 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:11 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:11 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:11 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:11 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:11 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-01-30 01:46:11 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-01-30 01:46:11 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-01-30 01:46:11 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-01-30 01:46:11 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:12 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:11.190141 End time: 2026-01-30 01:46:11.577289 2026-01-30 01:46:12 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:12 INFO statwt::::casa ########################################## 2026-01-30 01:46:12 INFO statwt::::casa ########################################## 2026-01-30 01:46:12 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:12 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' ) 2026-01-30 01:46:12 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:12 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:12 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-01-30 01:46:12 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:12 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:12 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:12 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:12 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:12 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:12 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-01-30 01:46:12 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:12 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-01-30 01:46:12 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-01-30 01:46:12 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:12 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:11.837448 End time: 2026-01-30 01:46:12.293875 2026-01-30 01:46:12 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:12 INFO statwt::::casa ########################################## 2026-01-30 01:46:13 INFO statwt::::casa ########################################## 2026-01-30 01:46:13 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:13 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' ) 2026-01-30 01:46:13 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:13 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:13 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-01-30 01:46:13 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:13 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:13 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:13 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:13 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:13 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:13 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-01-30 01:46:13 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-01-30 01:46:13 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-01-30 01:46:13 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-01-30 01:46:13 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:13 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:12.551845 End time: 2026-01-30 01:46:13.135571 2026-01-30 01:46:13 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:13 INFO statwt::::casa ########################################## 2026-01-30 01:46:13 INFO name:: No table opened. 2026-01-30 01:46:13 INFO name:: No table opened. .2026-01-30 01:46:13 INFO statwt::::casa ########################################## 2026-01-30 01:46:13 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:13 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' ) 2026-01-30 01:46:13 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:13 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:13 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:14 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:14 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:15 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:15 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:15 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:15 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:15 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-01-30 01:46:15 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:15 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-01-30 01:46:15 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-01-30 01:46:15 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:15 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:13.332755 End time: 2026-01-30 01:46:14.752024 2026-01-30 01:46:15 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:15 INFO statwt::::casa ########################################## 2026-01-30 01:46:15 INFO statwt::::casa ########################################## 2026-01-30 01:46:15 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:15 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' ) 2026-01-30 01:46:15 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:15 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:15 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:15 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:15 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:16 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:16 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:16 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:16 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:16 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-01-30 01:46:16 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:16 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-01-30 01:46:16 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-01-30 01:46:16 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:16 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:14.827269 End time: 2026-01-30 01:46:16.456183 2026-01-30 01:46:16 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:16 INFO statwt::::casa ########################################## 2026-01-30 01:46:17 INFO statwt::::casa ########################################## 2026-01-30 01:46:17 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:17 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' ) 2026-01-30 01:46:17 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:17 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:17 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-01-30 01:46:17 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:17 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-01-30 01:46:17 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-01-30 01:46:17 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:18 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:18 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:18 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:18 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:18 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-01-30 01:46:18 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:18 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-01-30 01:46:18 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-01-30 01:46:18 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:18 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:16.662572 End time: 2026-01-30 01:46:18.302819 2026-01-30 01:46:18 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:18 INFO statwt::::casa ########################################## 2026-01-30 01:46:18 INFO statwt::::casa ########################################## 2026-01-30 01:46:18 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:18 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' ) 2026-01-30 01:46:18 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:18 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:18 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-01-30 01:46:19 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:19 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-01-30 01:46:19 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-01-30 01:46:19 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:20 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:20 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:20 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:20 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:20 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-01-30 01:46:20 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:20 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-01-30 01:46:20 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-01-30 01:46:20 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:20 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:18.450677 End time: 2026-01-30 01:46:20.214445 2026-01-30 01:46:20 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:20 INFO statwt::::casa ########################################## 2026-01-30 01:46:20 INFO statwt::::casa ########################################## 2026-01-30 01:46:20 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:20 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' ) 2026-01-30 01:46:20 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:20 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:20 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-01-30 01:46:21 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:21 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:21 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:21 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:21 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:21 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:21 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-01-30 01:46:21 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:21 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-01-30 01:46:21 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-01-30 01:46:21 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:21 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:20.299335 End time: 2026-01-30 01:46:21.461410 2026-01-30 01:46:21 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:21 INFO statwt::::casa ########################################## 2026-01-30 01:46:22 INFO statwt::::casa ########################################## 2026-01-30 01:46:22 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:22 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' ) 2026-01-30 01:46:22 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:22 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:22 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-01-30 01:46:22 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:22 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:22 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:22 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:22 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:22 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:22 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-01-30 01:46:22 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:22 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-01-30 01:46:22 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-01-30 01:46:22 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:23 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:21.522051 End time: 2026-01-30 01:46:22.714488 2026-01-30 01:46:23 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:23 INFO statwt::::casa ########################################## 2026-01-30 01:46:23 INFO statwt::::casa ########################################## 2026-01-30 01:46:23 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:23 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' ) 2026-01-30 01:46:23 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:23 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:23 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-01-30 01:46:23 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:23 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-01-30 01:46:23 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-01-30 01:46:23 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:24 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:24 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:24 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:24 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:24 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-01-30 01:46:24 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:24 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-01-30 01:46:24 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-01-30 01:46:24 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:24 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:22.833638 End time: 2026-01-30 01:46:23.769341 2026-01-30 01:46:24 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:24 INFO statwt::::casa ########################################## 2026-01-30 01:46:24 INFO name:: No table opened. 2026-01-30 01:46:24 INFO name:: No table opened. .2026-01-30 01:46:26 INFO statwt::::casa ########################################## 2026-01-30 01:46:26 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:26 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' ) 2026-01-30 01:46:26 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:26 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:26 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:26 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. 2026-01-30 01:46:26 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-01-30 01:46:26 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-01-30 01:46:26 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-01-30 01:46:28 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:28 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-01-30 01:46:28 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:28 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:28 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-01-30 01:46:28 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-01-30 01:46:28 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-01-30 01:46:28 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-01-30 01:46:28 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-01-30 01:46:28 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:29 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:25.522695 End time: 2026-01-30 01:46:28.547102 2026-01-30 01:46:29 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:29 INFO statwt::::casa ########################################## 2026-01-30 01:46:29 INFO statwt::::casa ########################################## 2026-01-30 01:46:29 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:29 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' ) 2026-01-30 01:46:29 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:29 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:29 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:29 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. 2026-01-30 01:46:29 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-01-30 01:46:29 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-01-30 01:46:30 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. 2026-01-30 01:46:30 SEVERE ms::statwt+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-01-30 01:46:30 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. 2026-01-30 01:46:30 SEVERE statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-01-30 01:46:30 INFO statwt::::casa Traceback (most recent call last): 2026-01-30 01:46:30 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-1-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-01-30 01:46:30 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'] ) 2026-01-30 01:46:30 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-01-30 01:46:30 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-1-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-01-30 01:46:30 INFO statwt::::casa+ rval = myms.statwt( 2026-01-30 01:46:30 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-01-30 01:46:30 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-1-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-01-30 01:46:30 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-01-30 01:46:30 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-01-30 01:46:30 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-1-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-01-30 01:46:30 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-01-30 01:46:30 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-01-30 01:46:30 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. 2026-01-30 01:46:30 INFO statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-01-30 01:46:30 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:28.860048 End time: 2026-01-30 01:46:29.835966 2026-01-30 01:46:30 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:30 INFO statwt::::casa ########################################## 2026-01-30 01:46:30 INFO statwt::::casa ########################################## 2026-01-30 01:46:30 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:30 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' ) 2026-01-30 01:46:30 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:30 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:30 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:30 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. 2026-01-30 01:46:30 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-01-30 01:46:31 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:31 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-01-30 01:46:31 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:31 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:31 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-01-30 01:46:31 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-01-30 01:46:31 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-01-30 01:46:31 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-01-30 01:46:31 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:31 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:29.842090 End time: 2026-01-30 01:46:31.493051 2026-01-30 01:46:31 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:31 INFO statwt::::casa ########################################## 2026-01-30 01:46:32 INFO name:: No table opened. 2026-01-30 01:46:32 INFO name:: No table opened. .2026-01-30 01:46:32 INFO statwt::::casa ########################################## 2026-01-30 01:46:32 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:32 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' ) 2026-01-30 01:46:32 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:32 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:32 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:32 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. 2026-01-30 01:46:32 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-01-30 01:46:32 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:32 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:32 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:32 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:32 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-01-30 01:46:32 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:32 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-01-30 01:46:32 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-01-30 01:46:32 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:32 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:31.735106 End time: 2026-01-30 01:46:32.387667 2026-01-30 01:46:32 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:32 INFO statwt::::casa ########################################## 2026-01-30 01:46:33 INFO name:: No table opened. 2026-01-30 01:46:33 INFO name:: No table opened. .2026-01-30 01:46:33 INFO statwt::::casa ########################################## 2026-01-30 01:46:33 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:33 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' ) 2026-01-30 01:46:33 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:33 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:33 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:33 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. 2026-01-30 01:46:33 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:33 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:33 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:33 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:33 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:33 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-01-30 01:46:33 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:33 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-01-30 01:46:33 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-01-30 01:46:33 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:34 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:32.739146 End time: 2026-01-30 01:46:34.307365 2026-01-30 01:46:34 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:34 INFO statwt::::casa ########################################## 2026-01-30 01:46:35 INFO statwt::::casa ########################################## 2026-01-30 01:46:35 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:35 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' ) 2026-01-30 01:46:35 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:35 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:35 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:35 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. 2026-01-30 01:46:35 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:35 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:35 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:35 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:35 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:35 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-01-30 01:46:35 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:35 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-01-30 01:46:35 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-01-30 01:46:35 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:35 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:34.534975 End time: 2026-01-30 01:46:35.489073 2026-01-30 01:46:35 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:35 INFO statwt::::casa ########################################## 2026-01-30 01:46:36 INFO name:: No table opened. 2026-01-30 01:46:36 INFO name:: No table opened. .2026-01-30 01:46:36 INFO statwt::::casa ########################################## 2026-01-30 01:46:36 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:36 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' ) 2026-01-30 01:46:36 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:36 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:36 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:36 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:36 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:36 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:36 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-01-30 01:46:36 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:36 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:36 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-01-30 01:46:36 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:36 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-01-30 01:46:36 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-01-30 01:46:36 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:36 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:35.689964 End time: 2026-01-30 01:46:36.195074 2026-01-30 01:46:36 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:36 INFO statwt::::casa ########################################## 2026-01-30 01:46:36 INFO statwt::::casa ########################################## 2026-01-30 01:46:36 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:36 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' ) 2026-01-30 01:46:36 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:36 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:36 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:37 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. 2026-01-30 01:46:37 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:37 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:37 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-01-30 01:46:37 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:37 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:37 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-01-30 01:46:37 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:37 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-01-30 01:46:37 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-01-30 01:46:37 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:37 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:36.426036 End time: 2026-01-30 01:46:37.155231 2026-01-30 01:46:37 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:37 INFO statwt::::casa ########################################## 2026-01-30 01:46:37 INFO name:: No table opened. 2026-01-30 01:46:37 INFO name:: No table opened. .2026-01-30 01:46:37 INFO statwt::::casa ########################################## 2026-01-30 01:46:37 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:37 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' ) 2026-01-30 01:46:37 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:37 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:37 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:38 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. 2026-01-30 01:46:38 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:38 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:38 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:38 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:38 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:38 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-01-30 01:46:38 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:38 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-01-30 01:46:38 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-01-30 01:46:38 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:38 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:37.374779 End time: 2026-01-30 01:46:37.939905 2026-01-30 01:46:38 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:38 INFO statwt::::casa ########################################## 2026-01-30 01:46:38 INFO statwt::::casa ########################################## 2026-01-30 01:46:38 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:38 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' ) 2026-01-30 01:46:38 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:38 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:38 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:38 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. 2026-01-30 01:46:38 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:39 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-01-30 01:46:39 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-01-30 01:46:39 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:39 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:39 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-01-30 01:46:39 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:39 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-01-30 01:46:39 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-01-30 01:46:39 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:39 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:38.063164 End time: 2026-01-30 01:46:38.626318 2026-01-30 01:46:39 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:39 INFO statwt::::casa ########################################## 2026-01-30 01:46:39 INFO name:: No table opened. 2026-01-30 01:46:39 INFO name:: No table opened. .2026-01-30 01:46:39 INFO statwt::::casa ########################################## 2026-01-30 01:46:39 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:39 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' ) 2026-01-30 01:46:39 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:39 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:39 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:39 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. 2026-01-30 01:46:39 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-01-30 01:46:40 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:40 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-01-30 01:46:40 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:40 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:40 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-01-30 01:46:40 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-01-30 01:46:40 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-01-30 01:46:40 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-01-30 01:46:40 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-01-30 01:46:40 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:40 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:38.843082 End time: 2026-01-30 01:46:39.974996 2026-01-30 01:46:40 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:40 INFO statwt::::casa ########################################## 2026-01-30 01:46:40 INFO statwt::::casa ########################################## 2026-01-30 01:46:40 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:40 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' ) 2026-01-30 01:46:40 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:40 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:40 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:40 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. 2026-01-30 01:46:40 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-01-30 01:46:41 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:41 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-01-30 01:46:41 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:41 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:41 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-01-30 01:46:41 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-01-30 01:46:41 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-01-30 01:46:41 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-01-30 01:46:41 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-01-30 01:46:41 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:41 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:40.216490 End time: 2026-01-30 01:46:41.109095 2026-01-30 01:46:41 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:41 INFO statwt::::casa ########################################## 2026-01-30 01:46:41 INFO name:: No table opened. 2026-01-30 01:46:41 INFO name:: No table opened. .2026-01-30 01:46:41 INFO statwt::::casa ########################################## 2026-01-30 01:46:41 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:41 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' ) 2026-01-30 01:46:41 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:41 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:41 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:42 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:42 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:42 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:42 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:42 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:42 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:42 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-01-30 01:46:42 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:42 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-01-30 01:46:42 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-01-30 01:46:42 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:42 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:41.285649 End time: 2026-01-30 01:46:41.852902 2026-01-30 01:46:42 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:42 INFO statwt::::casa ########################################## 2026-01-30 01:46:42 INFO name:: No table opened. 2026-01-30 01:46:42 INFO name:: No table opened. .2026-01-30 01:46:42 INFO statwt::::casa ########################################## 2026-01-30 01:46:42 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:42 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' ) 2026-01-30 01:46:42 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:42 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:42 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:42 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:42 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:42 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:42 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:42 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:42 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:42 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-01-30 01:46:42 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:42 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-01-30 01:46:42 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-01-30 01:46:42 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:43 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:42.005039 End time: 2026-01-30 01:46:42.626044 2026-01-30 01:46:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:43 INFO statwt::::casa ########################################## 2026-01-30 01:46:43 INFO statwt::::casa ########################################## 2026-01-30 01:46:43 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:43 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' ) 2026-01-30 01:46:43 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:43 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:43 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:43 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:43 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:43 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:43 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:43 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:43 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:43 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-01-30 01:46:43 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:43 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-01-30 01:46:43 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-01-30 01:46:43 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:43 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:42.833828 End time: 2026-01-30 01:46:43.324669 2026-01-30 01:46:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:43 INFO statwt::::casa ########################################## 2026-01-30 01:46:43 INFO name:: No table opened. 2026-01-30 01:46:43 INFO name:: No table opened. .2026-01-30 01:46:44 INFO statwt::::casa ########################################## 2026-01-30 01:46:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:44 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' ) 2026-01-30 01:46:44 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-01-30 01:46:44 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:44 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-01-30 01:46:44 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-01-30 01:46:44 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-01-30 01:46:44 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:44 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:44 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-01-30 01:46:44 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:44 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-01-30 01:46:44 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-01-30 01:46:44 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:44 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:43.561402 End time: 2026-01-30 01:46:43.736811 2026-01-30 01:46:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:44 INFO statwt::::casa ########################################## 2026-01-30 01:46:44 INFO name:: No table opened. 2026-01-30 01:46:44 INFO name:: No table opened. .2026-01-30 01:46:44 INFO statwt::::casa ########################################## 2026-01-30 01:46:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:44 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' ) 2026-01-30 01:46:44 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:44 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:44 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:44 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-01-30 01:46:44 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:44 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:44 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:44 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:44 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-01-30 01:46:44 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:44 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-01-30 01:46:44 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-01-30 01:46:44 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:44 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:43.817772 End time: 2026-01-30 01:46:44.374034 2026-01-30 01:46:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:44 INFO statwt::::casa ########################################## 2026-01-30 01:46:45 INFO name:: No table opened. 2026-01-30 01:46:45 INFO name:: No table opened. .2026-01-30 01:46:45 INFO statwt::::casa ########################################## 2026-01-30 01:46:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:45 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' ) 2026-01-30 01:46:45 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:45 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:45 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. 2026-01-30 01:46:45 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-01-30 01:46:45 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:45 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:45 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-01-30 01:46:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-01-30 01:46:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-01-30 01:46:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:45 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:44.618588 End time: 2026-01-30 01:46:45.240989 2026-01-30 01:46:45 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:45 INFO statwt::::casa ########################################## 2026-01-30 01:46:45 INFO name:: No table opened. 2026-01-30 01:46:45 INFO name:: No table opened. .2026-01-30 01:46:45 INFO statwt::::casa ########################################## 2026-01-30 01:46:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:45 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' ) 2026-01-30 01:46:45 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:45 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:46 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. 2026-01-30 01:46:46 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-01-30 01:46:46 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:46 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:46 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-01-30 01:46:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-01-30 01:46:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-01-30 01:46:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:46 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:45.488800 End time: 2026-01-30 01:46:46.259686 2026-01-30 01:46:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:46 INFO statwt::::casa ########################################## 2026-01-30 01:46:46 INFO name:: No table opened. 2026-01-30 01:46:46 INFO name:: No table opened. .2026-01-30 01:46:47 INFO statwt::::casa ########################################## 2026-01-30 01:46:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:47 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' ) 2026-01-30 01:46:47 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:47 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:47 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. 2026-01-30 01:46:47 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-01-30 01:46:47 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:47 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:47 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-01-30 01:46:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-01-30 01:46:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-01-30 01:46:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:47 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:46.524117 End time: 2026-01-30 01:46:47.296100 2026-01-30 01:46:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:47 INFO statwt::::casa ########################################## 2026-01-30 01:46:47 INFO name:: No table opened. 2026-01-30 01:46:47 INFO name:: No table opened. .2026-01-30 01:46:47 INFO statwt::::casa ########################################## 2026-01-30 01:46:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:47 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' ) 2026-01-30 01:46:47 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:47 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:48 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:48 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:48 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:48 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:48 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:48 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:48 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-01-30 01:46:48 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:48 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-01-30 01:46:48 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-01-30 01:46:48 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:48 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:47.454991 End time: 2026-01-30 01:46:48.123914 2026-01-30 01:46:48 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:48 INFO statwt::::casa ########################################## 2026-01-30 01:46:48 INFO name:: No table opened. 2026-01-30 01:46:48 INFO name:: No table opened. .2026-01-30 01:46:48 INFO statwt::::casa ########################################## 2026-01-30 01:46:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:48 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' ) 2026-01-30 01:46:48 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:48 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:48 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:48 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:49 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-01-30 01:46:49 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:49 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-01-30 01:46:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-01-30 01:46:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-01-30 01:46:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:49 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:48.228979 End time: 2026-01-30 01:46:48.726484 2026-01-30 01:46:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:49 INFO statwt::::casa ########################################## 2026-01-30 01:46:49 INFO name:: No table opened. 2026-01-30 01:46:49 INFO name:: No table opened. .2026-01-30 01:46:49 INFO statwt::::casa ########################################## 2026-01-30 01:46:49 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:49 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' ) 2026-01-30 01:46:49 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:49 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:49 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:49 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. 2026-01-30 01:46:49 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:50 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:50 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-01-30 01:46:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-01-30 01:46:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-01-30 01:46:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:50 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:49.208927 End time: 2026-01-30 01:46:50.044097 2026-01-30 01:46:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:50 INFO statwt::::casa ########################################## 2026-01-30 01:46:50 INFO name:: No table opened. 2026-01-30 01:46:50 INFO name:: No table opened. .2026-01-30 01:46:50 INFO statwt::::casa ########################################## 2026-01-30 01:46:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:50 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' ) 2026-01-30 01:46:50 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:50 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:50 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. 2026-01-30 01:46:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:51 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:51 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-01-30 01:46:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-01-30 01:46:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-01-30 01:46:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:51 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:50.261437 End time: 2026-01-30 01:46:50.939036 2026-01-30 01:46:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:51 INFO statwt::::casa ########################################## 2026-01-30 01:46:51 INFO statwt::::casa ########################################## 2026-01-30 01:46:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:51 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' ) 2026-01-30 01:46:51 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:51 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-01-30 01:46:51 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-01-30 01:46:51 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:52 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:52 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:52 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-01-30 01:46:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-01-30 01:46:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-01-30 01:46:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:52 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:51.136925 End time: 2026-01-30 01:46:51.846107 2026-01-30 01:46:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:52 INFO statwt::::casa ########################################## 2026-01-30 01:46:52 INFO name:: No table opened. 2026-01-30 01:46:52 INFO name:: No table opened. .2026-01-30 01:46:52 INFO statwt::::casa ########################################## 2026-01-30 01:46:52 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:52 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' ) 2026-01-30 01:46:52 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:52 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:52 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. 2026-01-30 01:46:52 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:53 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:53 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:53 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-01-30 01:46:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-01-30 01:46:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-01-30 01:46:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:53 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:52.060229 End time: 2026-01-30 01:46:52.687390 2026-01-30 01:46:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:53 INFO statwt::::casa ########################################## 2026-01-30 01:46:53 INFO name:: No table opened. 2026-01-30 01:46:53 INFO name:: No table opened. .2026-01-30 01:46:53 INFO statwt::::casa ########################################## 2026-01-30 01:46:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:53 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' ) 2026-01-30 01:46:53 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:53 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:53 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. 2026-01-30 01:46:53 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:53 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:53 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:53 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-01-30 01:46:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-01-30 01:46:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-01-30 01:46:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:54 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:52.881398 End time: 2026-01-30 01:46:53.620078 2026-01-30 01:46:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:54 INFO statwt::::casa ########################################## 2026-01-30 01:46:54 INFO statwt::::casa ########################################## 2026-01-30 01:46:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:54 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' ) 2026-01-30 01:46:54 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:54 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:54 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. 2026-01-30 01:46:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:54 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:54 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-01-30 01:46:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-01-30 01:46:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-01-30 01:46:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:54 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:53.694582 End time: 2026-01-30 01:46:54.402091 2026-01-30 01:46:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:54 INFO statwt::::casa ########################################## 2026-01-30 01:46:54 INFO statwt::::casa ########################################## 2026-01-30 01:46:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:54 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' ) 2026-01-30 01:46:54 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:54 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-01-30 01:46:55 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. 2026-01-30 01:46:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:55 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:55 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:55 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-01-30 01:46:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-01-30 01:46:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-01-30 01:46:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:55 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:54.465177 End time: 2026-01-30 01:46:55.182971 2026-01-30 01:46:55 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:55 INFO statwt::::casa ########################################## 2026-01-30 01:46:55 INFO statwt::::casa ########################################## 2026-01-30 01:46:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:55 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' ) 2026-01-30 01:46:55 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:55 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-01-30 01:46:55 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. 2026-01-30 01:46:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:56 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:56 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-01-30 01:46:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-01-30 01:46:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-01-30 01:46:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:56 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:55.242089 End time: 2026-01-30 01:46:56.022242 2026-01-30 01:46:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:56 INFO statwt::::casa ########################################## 2026-01-30 01:46:56 INFO statwt::::casa ########################################## 2026-01-30 01:46:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:56 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='bogus', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-01-30 01:46:56 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:56 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-01-30 01:46:56 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. 2026-01-30 01:46:56 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-01-30 01:46:56 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 2026-01-30 01:46:56 INFO statwt::::casa Traceback (most recent call last): 2026-01-30 01:46:56 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-1-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-01-30 01:46:56 INFO statwt::::casa+ task_result = _statwt_t( _pc.document['vis'],_pc.document['selectdata'],_pc.document['field'],_pc.document['spw'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['scan'],_pc.document['combine'],_pc.document['timebin'],_pc.document['slidetimebin'],_pc.document['chanbin'],_pc.document['minsamp'],_pc.document['statalg'],_pc.document['fence'],_pc.document['center'],_pc.document['lside'],_pc.document['zscore'],_pc.document['maxiter'],_pc.document['fitspw'],_pc.document['excludechans'],_pc.document['wtrange'],_pc.document['flagbackup'],_pc.document['preview'],_pc.document['datacolumn'] ) 2026-01-30 01:46:56 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-01-30 01:46:56 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-1-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-01-30 01:46:56 INFO statwt::::casa+ rval = myms.statwt( 2026-01-30 01:46:56 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-01-30 01:46:56 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-1-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-01-30 01:46:56 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-01-30 01:46:56 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-01-30 01:46:56 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-1-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-01-30 01:46:56 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-01-30 01:46:56 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-01-30 01:46:56 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-01-30 01:46:56 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:56.098468 End time: 2026-01-30 01:46:56.478230 2026-01-30 01:46:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:56 INFO statwt::::casa ########################################## 2026-01-30 01:46:56 INFO name:: No table opened. 2026-01-30 01:46:56 INFO name:: No table opened. .2026-01-30 01:46:57 INFO statwt::::casa ########################################## 2026-01-30 01:46:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:57 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' ) 2026-01-30 01:46:57 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:57 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:57 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. 2026-01-30 01:46:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:57 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:57 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-01-30 01:46:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-01-30 01:46:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-01-30 01:46:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:57 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:56.540161 End time: 2026-01-30 01:46:57.035651 2026-01-30 01:46:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:57 INFO statwt::::casa ########################################## 2026-01-30 01:46:57 INFO statwt::::casa ########################################## 2026-01-30 01:46:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:57 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' ) 2026-01-30 01:46:57 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:57 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:57 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. 2026-01-30 01:46:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-01-30 01:46:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-01-30 01:46:58 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:58 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-01-30 01:46:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-01-30 01:46:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-01-30 01:46:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:58 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:57.253315 End time: 2026-01-30 01:46:57.828307 2026-01-30 01:46:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:58 INFO statwt::::casa ########################################## 2026-01-30 01:46:58 INFO name:: No table opened. 2026-01-30 01:46:58 INFO name:: No table opened. .2026-01-30 01:46:58 INFO statwt::::casa ########################################## 2026-01-30 01:46:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:58 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' ) 2026-01-30 01:46:58 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:58 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-01-30 01:46:58 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. 2026-01-30 01:46:58 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-01-30 01:46:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-01-30 01:46:58 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:58 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-01-30 01:46:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-01-30 01:46:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-01-30 01:46:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:46:59 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:58.045742 End time: 2026-01-30 01:46:58.743228 2026-01-30 01:46:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:46:59 INFO statwt::::casa ########################################## 2026-01-30 01:46:59 INFO statwt::::casa ########################################## 2026-01-30 01:46:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-01-30 01:46:59 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' ) 2026-01-30 01:46:59 INFO statwt::::casa Backup original flags before applying new flags 2026-01-30 01:46:59 INFO AgentFlagger::open Table type is Measurement Set 2026-01-30 01:46:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-01-30 01:46:59 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. 2026-01-30 01:46:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-01-30 01:46:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-01-30 01:46:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-01-30 01:46:59 INFO StatWtTVI::summarizeFlagging 2026-01-30 01:46:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-01-30 01:46:59 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-01-30 01:46:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-01-30 01:46:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-01-30 01:46:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-01-30 01:46:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-01-30 01:47:00 INFO statwt::::casa Task statwt complete. Start time: 2026-01-30 01:46:58.962429 End time: 2026-01-30 01:46:59.853535 2026-01-30 01:47:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-01-30 01:47:00 INFO statwt::::casa ########################################## 2026-01-30 01:47:00 INFO name:: No table opened. 2026-01-30 01:47:00 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 52.500s OK Generating XML reports...