2026-06-09 01:15:23 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-06-09 01:15:23 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.6-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-06-09 01:15:23 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-06-09 01:15:23 INFO ::casa 2026-06-09 01:15:23 INFO ::casa config values 2026-06-09 01:15:23 INFO ::casa agg = False 2026-06-09 01:15:23 INFO ::casa cachedir = '/home/casatest/.casa' 2026-06-09 01:15:23 INFO ::casa casaconfig_verbose = 1 2026-06-09 01:15:23 INFO ::casa colors = 'Neutral' 2026-06-09 01:15:23 INFO ::casa data_auto_update = False 2026-06-09 01:15:23 INFO ::casa data_update_interval = 1 2026-06-09 01:15:23 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-06-09 01:15:23 INFO ::casa iplog = False 2026-06-09 01:15:23 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20260609-011518.log' 2026-06-09 01:15:23 INFO ::casa log2term = True 2026-06-09 01:15:23 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20260609-011518.log' 2026-06-09 01:15:23 INFO ::casa measures_auto_update = False 2026-06-09 01:15:23 INFO ::casa measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/'] 2026-06-09 01:15:23 INFO ::casa measures_site_interval = 2 2026-06-09 01:15:23 INFO ::casa measures_update_interval = 1 2026-06-09 01:15:23 INFO ::casa measurespath = '/opt/casa/data/master' 2026-06-09 01:15:23 INFO ::casa nogui = False 2026-06-09 01:15:23 INFO ::casa nologfile = False 2026-06-09 01:15:23 INFO ::casa nologger = True 2026-06-09 01:15:23 INFO ::casa pipeline = False 2026-06-09 01:15:23 INFO ::casa skipnetworkcheck = False 2026-06-09 01:15:23 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-06-09 01:15:23 INFO ::casa user_site = False 2026-06-09 01:15:23 INFO ::casa 2026-06-09 01:15:23 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-06-09 01:15:23 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-06-09 01:15:23 INFO ::casa 2026-06-09 01:15:23 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-06-09 01:15:23 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/05/28/15:15, 2026/04/28/00:00:00 2026-06-09 01:15:23 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/05/28/15:15, 2026/04/28/00:00:00 2026-06-09 01:15:23 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/06/08/15:15, 2026/09/06/00:00:00 2026-06-09 01:15:23 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2026/05/30/15:15, 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 6.7.6.6 -- Common Astronomy Software Applications [6.7.6.6] 2026-06-09 01:15:23 INFO statwt::::casa ########################################## 2026-06-09 01:15:23 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:23 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' ) 2026-06-09 01:15:23 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:23 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:23 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:24 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:15:24 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:24 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:24 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:24 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:24 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:24 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-06-09 01:15:24 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-06-09 01:15:24 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-06-09 01:15:24 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-06-09 01:15:24 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:24 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:23.444544 End time: 2026-06-09 01:15:24.294103 2026-06-09 01:15:24 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:24 INFO statwt::::casa ########################################## 2026-06-09 01:15:24 INFO statwt::::casa ########################################## 2026-06-09 01:15:24 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:24 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' ) 2026-06-09 01:15:24 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:24 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:24 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:15:25 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:15:25 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:25 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:25 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:25 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:25 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:25 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-06-09 01:15:25 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:25 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-06-09 01:15:25 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-06-09 01:15:25 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:25 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:24.450392 End time: 2026-06-09 01:15:25.265560 2026-06-09 01:15:25 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:25 INFO statwt::::casa ########################################## 2026-06-09 01:15:25 INFO statwt::::casa ########################################## 2026-06-09 01:15:25 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:25 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' ) 2026-06-09 01:15:25 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:26 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:26 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-06-09 01:15:26 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. 2026-06-09 01:15:26 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:26 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:26 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:26 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:26 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:26 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-06-09 01:15:26 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-06-09 01:15:26 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-06-09 01:15:26 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-06-09 01:15:26 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:26 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:25.498620 End time: 2026-06-09 01:15:26.311558 2026-06-09 01:15:26 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:26 INFO statwt::::casa ########################################## 2026-06-09 01:15:26 INFO statwt::::casa ########################################## 2026-06-09 01:15:26 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:26 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' ) 2026-06-09 01:15:26 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:26 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:26 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-06-09 01:15:27 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:15:27 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:27 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:27 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:27 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:27 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:27 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-06-09 01:15:27 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-06-09 01:15:27 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-06-09 01:15:27 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-06-09 01:15:27 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:27 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:26.448400 End time: 2026-06-09 01:15:27.077561 2026-06-09 01:15:27 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:27 INFO statwt::::casa ########################################## 2026-06-09 01:15:27 INFO statwt::::casa ########################################## 2026-06-09 01:15:27 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:27 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' ) 2026-06-09 01:15:27 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:27 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:27 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-06-09 01:15:27 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:15:27 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:28 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:28 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:28 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:28 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:28 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-06-09 01:15:28 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:28 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-06-09 01:15:28 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-06-09 01:15:28 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:28 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:27.248410 End time: 2026-06-09 01:15:27.878372 2026-06-09 01:15:28 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:28 INFO statwt::::casa ########################################## 2026-06-09 01:15:28 INFO statwt::::casa ########################################## 2026-06-09 01:15:28 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:28 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' ) 2026-06-09 01:15:28 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:28 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:28 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-06-09 01:15:28 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:15:28 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:29 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:29 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:29 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:29 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:29 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-06-09 01:15:29 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-06-09 01:15:29 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-06-09 01:15:29 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-06-09 01:15:29 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:29 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:28.194418 End time: 2026-06-09 01:15:28.889483 2026-06-09 01:15:29 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:29 INFO statwt::::casa ########################################## 2026-06-09 01:15:29 INFO name:: No table opened. 2026-06-09 01:15:29 INFO name:: No table opened. .2026-06-09 01:15:29 INFO statwt::::casa ########################################## 2026-06-09 01:15:29 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:29 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' ) 2026-06-09 01:15:29 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:29 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:29 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:29 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:15:29 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:30 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:30 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:30 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:30 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:30 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-06-09 01:15:30 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:30 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-06-09 01:15:30 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-06-09 01:15:30 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:30 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:29.032973 End time: 2026-06-09 01:15:30.457632 2026-06-09 01:15:30 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:30 INFO statwt::::casa ########################################## 2026-06-09 01:15:31 INFO statwt::::casa ########################################## 2026-06-09 01:15:31 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:31 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=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' ) 2026-06-09 01:15:31 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:31 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:31 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:15:31 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:15:31 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:32 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:32 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:32 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:32 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:32 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-06-09 01:15:32 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:32 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-06-09 01:15:32 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-06-09 01:15:32 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:32 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:30.513231 End time: 2026-06-09 01:15:31.984926 2026-06-09 01:15:32 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:32 INFO statwt::::casa ########################################## 2026-06-09 01:15:32 INFO statwt::::casa ########################################## 2026-06-09 01:15:32 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:32 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-09 01:15:32 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:32 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:32 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-06-09 01:15:32 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:15:32 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-06-09 01:15:32 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-06-09 01:15:32 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:33 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:33 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:33 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:33 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:33 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-06-09 01:15:33 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:33 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-06-09 01:15:33 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-06-09 01:15:33 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:34 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:32.091548 End time: 2026-06-09 01:15:33.556816 2026-06-09 01:15:34 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:34 INFO statwt::::casa ########################################## 2026-06-09 01:15:34 INFO statwt::::casa ########################################## 2026-06-09 01:15:34 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:34 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=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' ) 2026-06-09 01:15:34 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:34 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:34 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-06-09 01:15:34 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:15:34 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-06-09 01:15:34 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-06-09 01:15:34 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:35 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:35 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:35 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:35 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:35 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-06-09 01:15:35 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:35 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-06-09 01:15:35 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-06-09 01:15:35 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:35 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:33.652154 End time: 2026-06-09 01:15:35.314824 2026-06-09 01:15:35 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:35 INFO statwt::::casa ########################################## 2026-06-09 01:15:35 INFO statwt::::casa ########################################## 2026-06-09 01:15:35 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:35 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' ) 2026-06-09 01:15:35 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:35 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:35 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-06-09 01:15:36 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. 2026-06-09 01:15:36 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:36 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:36 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:36 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:36 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:36 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-06-09 01:15:36 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:36 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-06-09 01:15:36 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-06-09 01:15:36 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:36 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:35.365757 End time: 2026-06-09 01:15:36.426074 2026-06-09 01:15:36 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:36 INFO statwt::::casa ########################################## 2026-06-09 01:15:36 INFO statwt::::casa ########################################## 2026-06-09 01:15:36 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:36 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=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' ) 2026-06-09 01:15:36 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:36 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:36 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-06-09 01:15:37 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. 2026-06-09 01:15:37 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:37 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:37 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:37 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:37 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:37 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-06-09 01:15:37 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:37 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-06-09 01:15:37 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-06-09 01:15:37 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:38 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:36.488132 End time: 2026-06-09 01:15:37.696521 2026-06-09 01:15:38 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:38 INFO statwt::::casa ########################################## 2026-06-09 01:15:38 INFO statwt::::casa ########################################## 2026-06-09 01:15:38 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:38 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-09 01:15:38 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:38 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:38 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-06-09 01:15:38 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. 2026-06-09 01:15:38 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-06-09 01:15:38 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-06-09 01:15:38 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:39 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:39 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:39 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:39 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:39 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-06-09 01:15:39 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:39 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-06-09 01:15:39 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-06-09 01:15:39 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:39 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:37.982304 End time: 2026-06-09 01:15:39.128416 2026-06-09 01:15:39 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:39 INFO statwt::::casa ########################################## 2026-06-09 01:15:39 INFO name:: No table opened. 2026-06-09 01:15:39 INFO name:: No table opened. .2026-06-09 01:15:40 INFO statwt::::casa ########################################## 2026-06-09 01:15:40 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:40 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-06-09 01:15:40 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:40 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:40 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:41 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-06-09 01:15:41 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-06-09 01:15:41 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-06-09 01:15:41 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-09 01:15:43 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:43 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-06-09 01:15:43 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:43 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:43 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-06-09 01:15:43 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-06-09 01:15:43 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-06-09 01:15:43 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-06-09 01:15:43 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-06-09 01:15:43 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:43 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:40.443746 End time: 2026-06-09 01:15:43.164774 2026-06-09 01:15:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:43 INFO statwt::::casa ########################################## 2026-06-09 01:15:44 INFO statwt::::casa ########################################## 2026-06-09 01:15:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:44 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_0.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-06-09 01:15:44 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:44 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:44 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-06-09 01:15:44 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-06-09 01:15:44 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-06-09 01:15:44 SEVERE ms::statwt Exception Reported: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-06-09 01:15:44 SEVERE ms::statwt+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-06-09 01:15:44 SEVERE statwt::::casa Exception Reported: Error in statwt: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-06-09 01:15:44 SEVERE statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-06-09 01:15:44 INFO statwt::::casa Traceback (most recent call last): 2026-06-09 01:15:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-06-09 01:15:44 INFO statwt::::casa+ task_result = _statwt_t( _pc.document['vis'],_pc.document['selectdata'],_pc.document['field'],_pc.document['spw'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['scan'],_pc.document['combine'],_pc.document['timebin'],_pc.document['slidetimebin'],_pc.document['chanbin'],_pc.document['minsamp'],_pc.document['statalg'],_pc.document['fence'],_pc.document['center'],_pc.document['lside'],_pc.document['zscore'],_pc.document['maxiter'],_pc.document['fitspw'],_pc.document['excludechans'],_pc.document['wtrange'],_pc.document['flagbackup'],_pc.document['preview'],_pc.document['datacolumn'] ) 2026-06-09 01:15:44 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-09 01:15:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-06-09 01:15:44 INFO statwt::::casa+ rval = myms.statwt( 2026-06-09 01:15:44 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-06-09 01:15:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-06-09 01:15:44 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-06-09 01:15:44 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-09 01:15:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-06-09 01:15:44 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-06-09 01:15:44 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-09 01:15:44 INFO statwt::::casa+ RuntimeError: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-06-09 01:15:44 INFO statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-06-09 01:15:44 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:43.507008 End time: 2026-06-09 01:15:44.342802 2026-06-09 01:15:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:44 INFO statwt::::casa ########################################## 2026-06-09 01:15:44 INFO statwt::::casa ########################################## 2026-06-09 01:15:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:44 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_0.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-06-09 01:15:44 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:44 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:15:45 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-06-09 01:15:45 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-09 01:15:45 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-06-09 01:15:45 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:45 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-06-09 01:15:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-06-09 01:15:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-06-09 01:15:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-06-09 01:15:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:46 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:44.346992 End time: 2026-06-09 01:15:45.555841 2026-06-09 01:15:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:46 INFO statwt::::casa ########################################## 2026-06-09 01:15:46 INFO name:: No table opened. 2026-06-09 01:15:46 INFO name:: No table opened. .2026-06-09 01:15:46 INFO statwt::::casa ########################################## 2026-06-09 01:15:46 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:46 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' ) 2026-06-09 01:15:46 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:46 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:46 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. 2026-06-09 01:15:46 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-06-09 01:15:46 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:46 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:46 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-06-09 01:15:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-06-09 01:15:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-06-09 01:15:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:47 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:45.753313 End time: 2026-06-09 01:15:46.528565 2026-06-09 01:15:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:47 INFO statwt::::casa ########################################## 2026-06-09 01:15:47 INFO name:: No table opened. 2026-06-09 01:15:47 INFO name:: No table opened. .2026-06-09 01:15:47 INFO statwt::::casa ########################################## 2026-06-09 01:15:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:47 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' ) 2026-06-09 01:15:47 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:47 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:47 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. 2026-06-09 01:15:47 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:47 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:47 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:47 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-06-09 01:15:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-06-09 01:15:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-06-09 01:15:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:48 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:46.874496 End time: 2026-06-09 01:15:47.597320 2026-06-09 01:15:48 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:48 INFO statwt::::casa ########################################## 2026-06-09 01:15:48 INFO statwt::::casa ########################################## 2026-06-09 01:15:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:48 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' ) 2026-06-09 01:15:48 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:48 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:15:48 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. 2026-06-09 01:15:48 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:48 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:48 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:48 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:48 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:48 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-06-09 01:15:48 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:48 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-06-09 01:15:48 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-06-09 01:15:48 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:48 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:47.766991 End time: 2026-06-09 01:15:48.470984 2026-06-09 01:15:48 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:48 INFO statwt::::casa ########################################## 2026-06-09 01:15:49 INFO name:: No table opened. 2026-06-09 01:15:49 INFO name:: No table opened. .2026-06-09 01:15:49 INFO statwt::::casa ########################################## 2026-06-09 01:15:49 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:49 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' ) 2026-06-09 01:15:49 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:49 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:49 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:49 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. 2026-06-09 01:15:49 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:49 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-06-09 01:15:49 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:49 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-06-09 01:15:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-06-09 01:15:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-06-09 01:15:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:49 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:48.626172 End time: 2026-06-09 01:15:49.199505 2026-06-09 01:15:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:49 INFO statwt::::casa ########################################## 2026-06-09 01:15:50 INFO statwt::::casa ########################################## 2026-06-09 01:15:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:50 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' ) 2026-06-09 01:15:50 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:50 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:15:50 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. 2026-06-09 01:15:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:50 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-06-09 01:15:50 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:50 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-06-09 01:15:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-06-09 01:15:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-06-09 01:15:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:50 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:49.508058 End time: 2026-06-09 01:15:50.165151 2026-06-09 01:15:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:50 INFO statwt::::casa ########################################## 2026-06-09 01:15:50 INFO name:: No table opened. 2026-06-09 01:15:50 INFO name:: No table opened. .2026-06-09 01:15:50 INFO statwt::::casa ########################################## 2026-06-09 01:15:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:50 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' ) 2026-06-09 01:15:50 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:50 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:51 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. 2026-06-09 01:15:51 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:51 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:51 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-06-09 01:15:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-06-09 01:15:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-06-09 01:15:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:51 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:50.320679 End time: 2026-06-09 01:15:51.107343 2026-06-09 01:15:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:51 INFO statwt::::casa ########################################## 2026-06-09 01:15:51 INFO statwt::::casa ########################################## 2026-06-09 01:15:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:51 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' ) 2026-06-09 01:15:51 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:51 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:15:51 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. 2026-06-09 01:15:51 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:52 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-06-09 01:15:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-06-09 01:15:52 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:52 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-06-09 01:15:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-06-09 01:15:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-06-09 01:15:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:52 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:51.193626 End time: 2026-06-09 01:15:51.849310 2026-06-09 01:15:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:52 INFO statwt::::casa ########################################## 2026-06-09 01:15:52 INFO name:: No table opened. 2026-06-09 01:15:52 INFO name:: No table opened. .2026-06-09 01:15:52 INFO statwt::::casa ########################################## 2026-06-09 01:15:52 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:52 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' ) 2026-06-09 01:15:52 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:52 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:52 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. 2026-06-09 01:15:52 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-09 01:15:53 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-06-09 01:15:53 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:53 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-06-09 01:15:53 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-06-09 01:15:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-06-09 01:15:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-06-09 01:15:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-06-09 01:15:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:53 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:52.026975 End time: 2026-06-09 01:15:52.858844 2026-06-09 01:15:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:53 INFO statwt::::casa ########################################## 2026-06-09 01:15:53 INFO statwt::::casa ########################################## 2026-06-09 01:15:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:53 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' ) 2026-06-09 01:15:53 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:53 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:53 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-06-09 01:15:53 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-06-09 01:15:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-06-09 01:15:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-06-09 01:15:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-06-09 01:15:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:54 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:53.042438 End time: 2026-06-09 01:15:53.866033 2026-06-09 01:15:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:54 INFO statwt::::casa ########################################## 2026-06-09 01:15:54 INFO name:: No table opened. 2026-06-09 01:15:54 INFO name:: No table opened. .2026-06-09 01:15:54 INFO statwt::::casa ########################################## 2026-06-09 01:15:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:54 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' ) 2026-06-09 01:15:54 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:54 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:54 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. 2026-06-09 01:15:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:54 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-06-09 01:15:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-06-09 01:15:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-06-09 01:15:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:55 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:54.002350 End time: 2026-06-09 01:15:55.001468 2026-06-09 01:15:55 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:55 INFO statwt::::casa ########################################## 2026-06-09 01:15:55 INFO name:: No table opened. 2026-06-09 01:15:55 INFO name:: No table opened. .2026-06-09 01:15:55 INFO statwt::::casa ########################################## 2026-06-09 01:15:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:55 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' ) 2026-06-09 01:15:55 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:55 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:56 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. 2026-06-09 01:15:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:56 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:56 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-06-09 01:15:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-06-09 01:15:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-06-09 01:15:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:56 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:55.268075 End time: 2026-06-09 01:15:55.859838 2026-06-09 01:15:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:56 INFO statwt::::casa ########################################## 2026-06-09 01:15:56 INFO statwt::::casa ########################################## 2026-06-09 01:15:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:56 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' ) 2026-06-09 01:15:56 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:56 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:15:56 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. 2026-06-09 01:15:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:56 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:56 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-06-09 01:15:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-06-09 01:15:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-06-09 01:15:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:57 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:56.033422 End time: 2026-06-09 01:15:56.622131 2026-06-09 01:15:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:57 INFO statwt::::casa ########################################## 2026-06-09 01:15:57 INFO name:: No table opened. 2026-06-09 01:15:57 INFO name:: No table opened. .2026-06-09 01:15:57 INFO statwt::::casa ########################################## 2026-06-09 01:15:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:57 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' ) 2026-06-09 01:15:57 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-06-09 01:15:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:15:57 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-06-09 01:15:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-06-09 01:15:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-06-09 01:15:57 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:57 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-06-09 01:15:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-06-09 01:15:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-06-09 01:15:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:57 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:56.798677 End time: 2026-06-09 01:15:56.965185 2026-06-09 01:15:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:57 INFO statwt::::casa ########################################## 2026-06-09 01:15:57 INFO name:: No table opened. 2026-06-09 01:15:57 INFO name:: No table opened. .2026-06-09 01:15:57 INFO statwt::::casa ########################################## 2026-06-09 01:15:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:57 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' ) 2026-06-09 01:15:57 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:57 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:57 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. 2026-06-09 01:15:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-06-09 01:15:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:58 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:58 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-06-09 01:15:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-06-09 01:15:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-06-09 01:15:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:58 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:57.044406 End time: 2026-06-09 01:15:57.824007 2026-06-09 01:15:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:58 INFO statwt::::casa ########################################## 2026-06-09 01:15:58 INFO name:: No table opened. 2026-06-09 01:15:58 INFO name:: No table opened. .2026-06-09 01:15:58 INFO statwt::::casa ########################################## 2026-06-09 01:15:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:58 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' ) 2026-06-09 01:15:58 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:58 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:15:58 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. 2026-06-09 01:15:58 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-09 01:15:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:15:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:15:59 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:15:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:15:59 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-06-09 01:15:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:15:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-06-09 01:15:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-06-09 01:15:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:15:59 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:58.113419 End time: 2026-06-09 01:15:58.907810 2026-06-09 01:15:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:15:59 INFO statwt::::casa ########################################## 2026-06-09 01:15:59 INFO name:: No table opened. 2026-06-09 01:15:59 INFO name:: No table opened. .2026-06-09 01:15:59 INFO statwt::::casa ########################################## 2026-06-09 01:15:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:15:59 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' ) 2026-06-09 01:15:59 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:15:59 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:15:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:16:00 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. 2026-06-09 01:16:00 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-09 01:16:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:00 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:00 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-06-09 01:16:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-06-09 01:16:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-06-09 01:16:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:01 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:15:59.364127 End time: 2026-06-09 01:16:00.765057 2026-06-09 01:16:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:01 INFO statwt::::casa ########################################## 2026-06-09 01:16:01 INFO name:: No table opened. 2026-06-09 01:16:01 INFO name:: No table opened. .2026-06-09 01:16:01 INFO statwt::::casa ########################################## 2026-06-09 01:16:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:01 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' ) 2026-06-09 01:16:01 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:01 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:16:01 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:16:01 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-06-09 01:16:02 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:02 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:02 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:02 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:02 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-06-09 01:16:02 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:02 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-06-09 01:16:02 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-06-09 01:16:02 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:02 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:01.193191 End time: 2026-06-09 01:16:02.031033 2026-06-09 01:16:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:02 INFO statwt::::casa ########################################## 2026-06-09 01:16:02 INFO name:: No table opened. 2026-06-09 01:16:02 INFO name:: No table opened. .2026-06-09 01:16:02 INFO statwt::::casa ########################################## 2026-06-09 01:16:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:02 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' ) 2026-06-09 01:16:02 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:02 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:16:02 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:16:03 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:03 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:03 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:03 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-06-09 01:16:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-06-09 01:16:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-06-09 01:16:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:03 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:02.246553 End time: 2026-06-09 01:16:03.047111 2026-06-09 01:16:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:03 INFO statwt::::casa ########################################## 2026-06-09 01:16:03 INFO name:: No table opened. 2026-06-09 01:16:03 INFO name:: No table opened. .2026-06-09 01:16:03 INFO statwt::::casa ########################################## 2026-06-09 01:16:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:03 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' ) 2026-06-09 01:16:03 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:03 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:03 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:16:03 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. 2026-06-09 01:16:03 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:03 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-06-09 01:16:03 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:03 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-06-09 01:16:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-06-09 01:16:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-06-09 01:16:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:04 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:03.136713 End time: 2026-06-09 01:16:03.580963 2026-06-09 01:16:04 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:04 INFO statwt::::casa ########################################## 2026-06-09 01:16:04 INFO name:: No table opened. 2026-06-09 01:16:04 INFO name:: No table opened. .2026-06-09 01:16:04 INFO statwt::::casa ########################################## 2026-06-09 01:16:04 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:04 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' ) 2026-06-09 01:16:04 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:04 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:04 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:16:04 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. 2026-06-09 01:16:04 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:05 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:05 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:05 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:05 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:05 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-06-09 01:16:05 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:05 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-06-09 01:16:05 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-06-09 01:16:05 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:05 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:03.853145 End time: 2026-06-09 01:16:05.050812 2026-06-09 01:16:05 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:05 INFO statwt::::casa ########################################## 2026-06-09 01:16:05 INFO name:: No table opened. 2026-06-09 01:16:05 INFO name:: No table opened. .2026-06-09 01:16:05 INFO statwt::::casa ########################################## 2026-06-09 01:16:05 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:05 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' ) 2026-06-09 01:16:05 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:05 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:05 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:16:06 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. 2026-06-09 01:16:06 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:06 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:06 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:06 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:06 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:06 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-06-09 01:16:06 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:06 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-06-09 01:16:06 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-06-09 01:16:06 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:06 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:05.323202 End time: 2026-06-09 01:16:06.099096 2026-06-09 01:16:06 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:06 INFO statwt::::casa ########################################## 2026-06-09 01:16:06 INFO statwt::::casa ########################################## 2026-06-09 01:16:06 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:06 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' ) 2026-06-09 01:16:06 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:06 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:06 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-06-09 01:16:07 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:16:07 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:07 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:07 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:07 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:07 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:07 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-06-09 01:16:07 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:07 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-06-09 01:16:07 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-06-09 01:16:07 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:07 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:06.352428 End time: 2026-06-09 01:16:07.214004 2026-06-09 01:16:07 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:07 INFO statwt::::casa ########################################## 2026-06-09 01:16:07 INFO name:: No table opened. 2026-06-09 01:16:07 INFO name:: No table opened. .2026-06-09 01:16:07 INFO statwt::::casa ########################################## 2026-06-09 01:16:07 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:07 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' ) 2026-06-09 01:16:07 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:07 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:07 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:16:08 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. 2026-06-09 01:16:08 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:08 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:08 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:08 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:08 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:08 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-06-09 01:16:08 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:08 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-06-09 01:16:08 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-06-09 01:16:08 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:08 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:07.403822 End time: 2026-06-09 01:16:08.044502 2026-06-09 01:16:08 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:08 INFO statwt::::casa ########################################## 2026-06-09 01:16:08 INFO name:: No table opened. 2026-06-09 01:16:08 INFO name:: No table opened. .2026-06-09 01:16:08 INFO statwt::::casa ########################################## 2026-06-09 01:16:08 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:08 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' ) 2026-06-09 01:16:08 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:08 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:08 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:16:08 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. 2026-06-09 01:16:08 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:09 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:09 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:09 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:09 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:09 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-06-09 01:16:09 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:09 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-06-09 01:16:09 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-06-09 01:16:09 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:09 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:08.187701 End time: 2026-06-09 01:16:08.960330 2026-06-09 01:16:09 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:09 INFO statwt::::casa ########################################## 2026-06-09 01:16:09 INFO statwt::::casa ########################################## 2026-06-09 01:16:09 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:09 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' ) 2026-06-09 01:16:09 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:09 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:09 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:16:09 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. 2026-06-09 01:16:09 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:10 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:10 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:10 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:10 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:10 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-06-09 01:16:10 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:10 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-06-09 01:16:10 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-06-09 01:16:10 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:11 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:09.010816 End time: 2026-06-09 01:16:10.803771 2026-06-09 01:16:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:11 INFO statwt::::casa ########################################## 2026-06-09 01:16:11 INFO statwt::::casa ########################################## 2026-06-09 01:16:11 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:11 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' ) 2026-06-09 01:16:11 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:11 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:11 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-06-09 01:16:11 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. 2026-06-09 01:16:11 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:12 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:12 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:12 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:12 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:12 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-06-09 01:16:12 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:12 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-06-09 01:16:12 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-06-09 01:16:12 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:12 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:10.862449 End time: 2026-06-09 01:16:11.837787 2026-06-09 01:16:12 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:12 INFO statwt::::casa ########################################## 2026-06-09 01:16:12 INFO statwt::::casa ########################################## 2026-06-09 01:16:12 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:12 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' ) 2026-06-09 01:16:12 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:12 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:12 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-06-09 01:16:12 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. 2026-06-09 01:16:12 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:13 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:13 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:13 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:13 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:13 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-06-09 01:16:13 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:13 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-06-09 01:16:13 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-06-09 01:16:13 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:13 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:11.901388 End time: 2026-06-09 01:16:12.781998 2026-06-09 01:16:13 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:13 INFO statwt::::casa ########################################## 2026-06-09 01:16:13 INFO statwt::::casa ########################################## 2026-06-09 01:16:13 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:13 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' ) 2026-06-09 01:16:13 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:13 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:13 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-06-09 01:16:13 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. 2026-06-09 01:16:13 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-06-09 01:16:13 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 2026-06-09 01:16:13 INFO statwt::::casa Traceback (most recent call last): 2026-06-09 01:16:13 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-06-09 01:16:13 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'] ) 2026-06-09 01:16:13 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-09 01:16:13 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-06-09 01:16:13 INFO statwt::::casa+ rval = myms.statwt( 2026-06-09 01:16:13 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-06-09 01:16:13 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-06-09 01:16:13 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-06-09 01:16:13 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-09 01:16:13 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-06-09 01:16:13 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-06-09 01:16:13 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-09 01:16:13 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-06-09 01:16:13 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:12.834777 End time: 2026-06-09 01:16:13.077295 2026-06-09 01:16:13 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:13 INFO statwt::::casa ########################################## 2026-06-09 01:16:13 INFO name:: No table opened. 2026-06-09 01:16:13 INFO name:: No table opened. .2026-06-09 01:16:13 INFO statwt::::casa ########################################## 2026-06-09 01:16:13 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:13 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' ) 2026-06-09 01:16:13 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:13 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:13 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:16:13 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. 2026-06-09 01:16:13 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:14 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:14 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:14 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:14 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:14 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-06-09 01:16:14 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:14 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-06-09 01:16:14 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-06-09 01:16:14 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:14 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:13.126423 End time: 2026-06-09 01:16:13.796577 2026-06-09 01:16:14 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:14 INFO statwt::::casa ########################################## 2026-06-09 01:16:14 INFO statwt::::casa ########################################## 2026-06-09 01:16:14 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:14 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' ) 2026-06-09 01:16:14 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:14 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:14 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:16:14 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. 2026-06-09 01:16:14 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:15 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-09 01:16:15 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-09 01:16:15 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:15 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:15 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-06-09 01:16:15 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:15 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-06-09 01:16:15 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-06-09 01:16:15 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:15 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:14.092651 End time: 2026-06-09 01:16:14.965984 2026-06-09 01:16:15 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:15 INFO statwt::::casa ########################################## 2026-06-09 01:16:15 INFO name:: No table opened. 2026-06-09 01:16:15 INFO name:: No table opened. .2026-06-09 01:16:15 INFO statwt::::casa ########################################## 2026-06-09 01:16:15 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:15 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' ) 2026-06-09 01:16:15 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:15 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:15 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-09 01:16:16 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-09 01:16:16 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:16 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-06-09 01:16:16 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-06-09 01:16:16 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:16 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:16 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-06-09 01:16:16 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:16 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-06-09 01:16:16 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-06-09 01:16:16 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:16 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:15.246957 End time: 2026-06-09 01:16:16.259363 2026-06-09 01:16:16 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:16 INFO statwt::::casa ########################################## 2026-06-09 01:16:16 INFO statwt::::casa ########################################## 2026-06-09 01:16:16 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-09 01:16:16 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' ) 2026-06-09 01:16:16 INFO statwt::::casa Backup original flags before applying new flags 2026-06-09 01:16:16 INFO AgentFlagger::open Table type is Measurement Set 2026-06-09 01:16:16 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-09 01:16:17 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. 2026-06-09 01:16:17 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-09 01:16:17 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-06-09 01:16:17 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-06-09 01:16:17 INFO StatWtTVI::summarizeFlagging 2026-06-09 01:16:17 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-09 01:16:17 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-06-09 01:16:17 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-09 01:16:17 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-06-09 01:16:17 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-06-09 01:16:17 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-09 01:16:17 INFO statwt::::casa Task statwt complete. Start time: 2026-06-09 01:16:16.486739 End time: 2026-06-09 01:16:17.200172 2026-06-09 01:16:17 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-09 01:16:17 INFO statwt::::casa ########################################## 2026-06-09 01:16:17 INFO name:: No table opened. 2026-06-09 01:16:17 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 54.333s OK Generating XML reports...