2026-03-06 05:53:31 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-03-06 05:53:31 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.5-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-03-06 05:53:31 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-03-06 05:53:31 INFO ::casa 2026-03-06 05:53:31 INFO ::casa config values 2026-03-06 05:53:31 INFO ::casa agg = False 2026-03-06 05:53:31 INFO ::casa cachedir = '/home/casatest/.casa' 2026-03-06 05:53:31 INFO ::casa casaconfig_verbose = 1 2026-03-06 05:53:31 INFO ::casa colors = 'Neutral' 2026-03-06 05:53:31 INFO ::casa data_auto_update = False 2026-03-06 05:53:31 INFO ::casa data_update_interval = 1 2026-03-06 05:53:31 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-03-06 05:53:31 INFO ::casa iplog = False 2026-03-06 05:53:31 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20260306-055326.log' 2026-03-06 05:53:31 INFO ::casa log2term = True 2026-03-06 05:53:31 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20260306-055326.log' 2026-03-06 05:53:31 INFO ::casa measures_auto_update = False 2026-03-06 05:53:31 INFO ::casa measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/'] 2026-03-06 05:53:31 INFO ::casa measures_site_interval = 2 2026-03-06 05:53:31 INFO ::casa measures_update_interval = 1 2026-03-06 05:53:31 INFO ::casa measurespath = '/opt/casa/data/master' 2026-03-06 05:53:31 INFO ::casa nogui = False 2026-03-06 05:53:31 INFO ::casa nologfile = False 2026-03-06 05:53:31 INFO ::casa nologger = True 2026-03-06 05:53:31 INFO ::casa pipeline = False 2026-03-06 05:53:31 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-03-06 05:53:31 INFO ::casa user_site = False 2026-03-06 05:53:31 INFO ::casa 2026-03-06 05:53:31 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-03-06 05:53:31 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-03-06 05:53:31 INFO ::casa 2026-03-06 05:53:31 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-03-06 05:53:31 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/02/23/15:15, 2025/12/31/00:00:00 2026-03-06 05:53:31 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/02/23/15:15, 2025/12/31/00:00:00 2026-03-06 05:53:31 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/03/05/15:15, 2026/06/03/00:00:00 2026-03-06 05:53:31 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2026/02/23/15:15, 2017/01/01/00:00:00 Running tests... ---------------------------------------------------------------------- Using user configuration file /home/casatest/.casa/config.py No event loop hook running. Using matplotlib backend: agg CASA 6.7.5.6 -- Common Astronomy Software Applications [6.7.5.6] 2026-03-06 05:53:31 INFO statwt::::casa ########################################## 2026-03-06 05:53:31 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:31 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' ) 2026-03-06 05:53:31 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:31 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:31 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:31 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:31 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:32 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:32 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:32 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:32 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:32 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-03-06 05:53:32 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-03-06 05:53:32 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-03-06 05:53:32 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-03-06 05:53:32 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:32 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:31.051216 End time: 2026-03-06 05:53:31.543671 2026-03-06 05:53:32 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:32 INFO statwt::::casa ########################################## 2026-03-06 05:53:32 INFO statwt::::casa ########################################## 2026-03-06 05:53:32 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:32 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' ) 2026-03-06 05:53:32 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:32 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:32 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:53:32 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:32 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:32 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:32 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:32 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:32 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:32 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-03-06 05:53:32 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:32 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-03-06 05:53:32 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-03-06 05:53:32 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:32 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:32.061183 End time: 2026-03-06 05:53:32.423594 2026-03-06 05:53:32 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:32 INFO statwt::::casa ########################################## 2026-03-06 05:53:33 INFO statwt::::casa ########################################## 2026-03-06 05:53:33 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:33 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' ) 2026-03-06 05:53:33 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:33 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:33 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-03-06 05:53:33 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:33 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:33 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:33 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:33 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:33 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:33 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-03-06 05:53:33 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-03-06 05:53:33 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-03-06 05:53:33 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-03-06 05:53:33 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:33 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:32.682961 End time: 2026-03-06 05:53:33.053804 2026-03-06 05:53:33 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:33 INFO statwt::::casa ########################################## 2026-03-06 05:53:33 INFO statwt::::casa ########################################## 2026-03-06 05:53:33 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:33 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' ) 2026-03-06 05:53:33 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:33 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:33 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-03-06 05:53:33 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:33 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:33 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:33 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:33 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:33 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:33 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-03-06 05:53:33 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-03-06 05:53:33 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-03-06 05:53:33 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-03-06 05:53:33 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:33 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:33.194116 End time: 2026-03-06 05:53:33.471235 2026-03-06 05:53:33 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:33 INFO statwt::::casa ########################################## 2026-03-06 05:53:34 INFO statwt::::casa ########################################## 2026-03-06 05:53:34 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:34 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' ) 2026-03-06 05:53:34 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:34 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:34 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-03-06 05:53:34 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. 2026-03-06 05:53:34 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:34 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:34 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:34 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:34 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:34 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-03-06 05:53:34 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:34 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-03-06 05:53:34 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-03-06 05:53:34 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:34 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:33.826843 End time: 2026-03-06 05:53:34.158673 2026-03-06 05:53:34 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:34 INFO statwt::::casa ########################################## 2026-03-06 05:53:35 INFO statwt::::casa ########################################## 2026-03-06 05:53:35 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:35 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' ) 2026-03-06 05:53:35 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:35 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:35 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-03-06 05:53:35 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:35 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:35 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:35 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:35 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:35 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:35 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-03-06 05:53:35 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-03-06 05:53:35 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-03-06 05:53:35 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-03-06 05:53:35 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:35 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:35.036340 End time: 2026-03-06 05:53:35.323487 2026-03-06 05:53:35 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:35 INFO statwt::::casa ########################################## 2026-03-06 05:53:35 INFO name:: No table opened. 2026-03-06 05:53:35 INFO name:: No table opened. .2026-03-06 05:53:35 INFO statwt::::casa ########################################## 2026-03-06 05:53:35 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:35 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-03-06 05:53:35 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:35 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:35 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:35 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:36 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:37 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:37 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:37 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:37 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:37 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-03-06 05:53:37 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:37 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-03-06 05:53:37 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-03-06 05:53:37 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:37 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:35.447782 End time: 2026-03-06 05:53:36.611391 2026-03-06 05:53:37 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:37 INFO statwt::::casa ########################################## 2026-03-06 05:53:37 INFO statwt::::casa ########################################## 2026-03-06 05:53:37 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:37 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' ) 2026-03-06 05:53:37 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:37 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:37 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:53:37 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:37 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:38 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:38 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:38 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:38 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:38 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-03-06 05:53:38 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:38 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-03-06 05:53:38 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-03-06 05:53:38 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:38 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:36.653981 End time: 2026-03-06 05:53:37.819521 2026-03-06 05:53:38 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:38 INFO statwt::::casa ########################################## 2026-03-06 05:53:38 INFO statwt::::casa ########################################## 2026-03-06 05:53:38 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:38 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' ) 2026-03-06 05:53:38 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:38 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:38 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-03-06 05:53:38 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:38 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-03-06 05:53:38 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-03-06 05:53:38 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:39 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:39 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:39 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:39 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:39 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-03-06 05:53:39 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:39 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-03-06 05:53:39 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-03-06 05:53:39 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:39 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:37.876266 End time: 2026-03-06 05:53:39.175291 2026-03-06 05:53:39 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:39 INFO statwt::::casa ########################################## 2026-03-06 05:53:39 INFO statwt::::casa ########################################## 2026-03-06 05:53:39 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:39 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' ) 2026-03-06 05:53:39 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:39 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:39 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-03-06 05:53:39 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:39 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-03-06 05:53:39 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-03-06 05:53:39 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:41 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:41 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:41 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:41 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:41 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-03-06 05:53:41 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:41 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-03-06 05:53:41 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-03-06 05:53:41 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:41 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:39.230986 End time: 2026-03-06 05:53:40.585644 2026-03-06 05:53:41 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:41 INFO statwt::::casa ########################################## 2026-03-06 05:53:41 INFO statwt::::casa ########################################## 2026-03-06 05:53:41 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:41 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' ) 2026-03-06 05:53:41 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:41 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:41 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-03-06 05:53:41 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:41 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:41 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:41 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:41 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:41 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:41 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-03-06 05:53:41 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:41 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-03-06 05:53:41 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-03-06 05:53:41 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:41 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:40.632843 End time: 2026-03-06 05:53:41.321290 2026-03-06 05:53:41 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:41 INFO statwt::::casa ########################################## 2026-03-06 05:53:41 INFO statwt::::casa ########################################## 2026-03-06 05:53:41 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:41 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' ) 2026-03-06 05:53:41 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:41 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:41 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-03-06 05:53:41 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:41 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:42 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:42 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:42 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:42 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:42 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-03-06 05:53:42 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:42 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-03-06 05:53:42 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-03-06 05:53:42 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:42 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:41.361479 End time: 2026-03-06 05:53:41.973068 2026-03-06 05:53:42 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:42 INFO statwt::::casa ########################################## 2026-03-06 05:53:42 INFO statwt::::casa ########################################## 2026-03-06 05:53:42 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:42 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' ) 2026-03-06 05:53:42 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:42 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:42 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-03-06 05:53:42 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:42 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-03-06 05:53:42 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-03-06 05:53:42 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:43 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:43 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:43 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:43 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:43 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-03-06 05:53:43 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:43 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-03-06 05:53:43 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-03-06 05:53:43 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:43 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:42.020232 End time: 2026-03-06 05:53:42.732698 2026-03-06 05:53:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:43 INFO statwt::::casa ########################################## 2026-03-06 05:53:43 INFO name:: No table opened. 2026-03-06 05:53:43 INFO name:: No table opened. .2026-03-06 05:53:44 INFO statwt::::casa ########################################## 2026-03-06 05:53:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:44 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' ) 2026-03-06 05:53:44 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:44 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:44 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-03-06 05:53:44 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-03-06 05:53:44 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-03-06 05:53:45 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-03-06 05:53:46 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-03-06 05:53:46 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:46 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-03-06 05:53:46 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-03-06 05:53:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-03-06 05:53:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-03-06 05:53:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-03-06 05:53:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:46 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:44.124117 End time: 2026-03-06 05:53:46.299125 2026-03-06 05:53:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:46 INFO statwt::::casa ########################################## 2026-03-06 05:53:47 INFO statwt::::casa ########################################## 2026-03-06 05:53:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:47 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' ) 2026-03-06 05:53:47 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:47 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:47 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. 2026-03-06 05:53:47 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-03-06 05:53:47 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-03-06 05:53:47 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. 2026-03-06 05:53:47 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 2026-03-06 05:53:47 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. 2026-03-06 05:53:47 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 2026-03-06 05:53:47 INFO statwt::::casa Traceback (most recent call last): 2026-03-06 05:53:47 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-03-06 05:53:47 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'] ) 2026-03-06 05:53:47 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-03-06 05:53:47 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-03-06 05:53:47 INFO statwt::::casa+ rval = myms.statwt( 2026-03-06 05:53:47 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-03-06 05:53:47 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-03-06 05:53:47 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-03-06 05:53:47 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-03-06 05:53:47 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-03-06 05:53:47 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-03-06 05:53:47 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-03-06 05:53:47 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. 2026-03-06 05:53:47 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 2026-03-06 05:53:47 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:46.861080 End time: 2026-03-06 05:53:47.478048 2026-03-06 05:53:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:47 INFO statwt::::casa ########################################## 2026-03-06 05:53:47 INFO statwt::::casa ########################################## 2026-03-06 05:53:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:47 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' ) 2026-03-06 05:53:47 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:47 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:53:48 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-03-06 05:53:48 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-03-06 05:53:48 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:48 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-03-06 05:53:48 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:48 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:48 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-03-06 05:53:48 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-03-06 05:53:48 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-03-06 05:53:48 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-03-06 05:53:48 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:48 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:47.480905 End time: 2026-03-06 05:53:48.215682 2026-03-06 05:53:48 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:48 INFO statwt::::casa ########################################## 2026-03-06 05:53:48 INFO name:: No table opened. 2026-03-06 05:53:48 INFO name:: No table opened. .2026-03-06 05:53:48 INFO statwt::::casa ########################################## 2026-03-06 05:53:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:48 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' ) 2026-03-06 05:53:48 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:48 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:48 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-03-06 05:53:48 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-03-06 05:53:49 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:49 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:49 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-03-06 05:53:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-03-06 05:53:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-03-06 05:53:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:49 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:48.321382 End time: 2026-03-06 05:53:48.593705 2026-03-06 05:53:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:49 INFO statwt::::casa ########################################## 2026-03-06 05:53:49 INFO name:: No table opened. 2026-03-06 05:53:49 INFO name:: No table opened. .2026-03-06 05:53:49 INFO statwt::::casa ########################################## 2026-03-06 05:53:49 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:49 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' ) 2026-03-06 05:53:49 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:49 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:49 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:49 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:49 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-03-06 05:53:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-03-06 05:53:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-03-06 05:53:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:50 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:49.246920 End time: 2026-03-06 05:53:49.542718 2026-03-06 05:53:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:50 INFO statwt::::casa ########################################## 2026-03-06 05:53:50 INFO statwt::::casa ########################################## 2026-03-06 05:53:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:50 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' ) 2026-03-06 05:53:50 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:50 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:53:50 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-03-06 05:53:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-03-06 05:53:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-03-06 05:53:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:50 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:49.786124 End time: 2026-03-06 05:53:50.049547 2026-03-06 05:53:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:50 INFO statwt::::casa ########################################## 2026-03-06 05:53:50 INFO name:: No table opened. 2026-03-06 05:53:50 INFO name:: No table opened. .2026-03-06 05:53:50 INFO statwt::::casa ########################################## 2026-03-06 05:53:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:50 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' ) 2026-03-06 05:53:50 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:50 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:50 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:50 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-03-06 05:53:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-03-06 05:53:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-03-06 05:53:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:50 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:50.184515 End time: 2026-03-06 05:53:50.412715 2026-03-06 05:53:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:50 INFO statwt::::casa ########################################## 2026-03-06 05:53:51 INFO statwt::::casa ########################################## 2026-03-06 05:53:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:51 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' ) 2026-03-06 05:53:51 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:51 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:53:51 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:51 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:51 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-03-06 05:53:51 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:51 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-03-06 05:53:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-03-06 05:53:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-03-06 05:53:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:51 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:50.603656 End time: 2026-03-06 05:53:50.835347 2026-03-06 05:53:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:51 INFO statwt::::casa ########################################## 2026-03-06 05:53:51 INFO name:: No table opened. 2026-03-06 05:53:51 INFO name:: No table opened. .2026-03-06 05:53:51 INFO statwt::::casa ########################################## 2026-03-06 05:53:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:51 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=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' ) 2026-03-06 05:53:51 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:51 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:51 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:51 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:51 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:51 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-03-06 05:53:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-03-06 05:53:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-03-06 05:53:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:51 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:50.961266 End time: 2026-03-06 05:53:51.232376 2026-03-06 05:53:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:51 INFO statwt::::casa ########################################## 2026-03-06 05:53:51 INFO statwt::::casa ########################################## 2026-03-06 05:53:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:51 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' ) 2026-03-06 05:53:51 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:51 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:53:51 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:51 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-03-06 05:53:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-03-06 05:53:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-03-06 05:53:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:52 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:51.298465 End time: 2026-03-06 05:53:51.563156 2026-03-06 05:53:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:52 INFO statwt::::casa ########################################## 2026-03-06 05:53:52 INFO name:: No table opened. 2026-03-06 05:53:52 INFO name:: No table opened. .2026-03-06 05:53:52 INFO statwt::::casa ########################################## 2026-03-06 05:53:52 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:52 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' ) 2026-03-06 05:53:52 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:52 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:52 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. 2026-03-06 05:53:52 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-03-06 05:53:52 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-03-06 05:53:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-03-06 05:53:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-03-06 05:53:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-03-06 05:53:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:52 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:51.742742 End time: 2026-03-06 05:53:52.094925 2026-03-06 05:53:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:52 INFO statwt::::casa ########################################## 2026-03-06 05:53:52 INFO statwt::::casa ########################################## 2026-03-06 05:53:52 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:52 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' ) 2026-03-06 05:53:52 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:52 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:52 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. 2026-03-06 05:53:52 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-03-06 05:53:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-03-06 05:53:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-03-06 05:53:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-03-06 05:53:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:53 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:52.408703 End time: 2026-03-06 05:53:52.874188 2026-03-06 05:53:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:53 INFO statwt::::casa ########################################## 2026-03-06 05:53:53 INFO name:: No table opened. 2026-03-06 05:53:53 INFO name:: No table opened. .2026-03-06 05:53:53 INFO statwt::::casa ########################################## 2026-03-06 05:53:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:53 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' ) 2026-03-06 05:53:53 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:53 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:53 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:53 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:53 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-03-06 05:53:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-03-06 05:53:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-03-06 05:53:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:53 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:52.990273 End time: 2026-03-06 05:53:53.254261 2026-03-06 05:53:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:53 INFO statwt::::casa ########################################## 2026-03-06 05:53:53 INFO name:: No table opened. 2026-03-06 05:53:53 INFO name:: No table opened. .2026-03-06 05:53:53 INFO statwt::::casa ########################################## 2026-03-06 05:53:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:53 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' ) 2026-03-06 05:53:53 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:53 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:54 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-03-06 05:53:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-03-06 05:53:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-03-06 05:53:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:54 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:53.488105 End time: 2026-03-06 05:53:53.717582 2026-03-06 05:53:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:54 INFO statwt::::casa ########################################## 2026-03-06 05:53:54 INFO statwt::::casa ########################################## 2026-03-06 05:53:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:54 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' ) 2026-03-06 05:53:54 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:54 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:53:54 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-03-06 05:53:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-03-06 05:53:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-03-06 05:53:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:54 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:53.897147 End time: 2026-03-06 05:53:54.125909 2026-03-06 05:53:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:54 INFO statwt::::casa ########################################## 2026-03-06 05:53:54 INFO name:: No table opened. 2026-03-06 05:53:54 INFO name:: No table opened. .2026-03-06 05:53:54 INFO statwt::::casa ########################################## 2026-03-06 05:53:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:54 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' ) 2026-03-06 05:53:54 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-03-06 05:53:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:54 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:54 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-03-06 05:53:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-03-06 05:53:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-03-06 05:53:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:54 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:54.273410 End time: 2026-03-06 05:53:54.473962 2026-03-06 05:53:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:54 INFO statwt::::casa ########################################## 2026-03-06 05:53:55 INFO name:: No table opened. 2026-03-06 05:53:55 INFO name:: No table opened. .2026-03-06 05:53:55 INFO statwt::::casa ########################################## 2026-03-06 05:53:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:55 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' ) 2026-03-06 05:53:55 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:55 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:55 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-03-06 05:53:55 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:55 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:55 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-03-06 05:53:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-03-06 05:53:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-03-06 05:53:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:55 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:54.547588 End time: 2026-03-06 05:53:54.913327 2026-03-06 05:53:55 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:55 INFO statwt::::casa ########################################## 2026-03-06 05:53:55 INFO name:: No table opened. 2026-03-06 05:53:55 INFO name:: No table opened. .2026-03-06 05:53:55 INFO statwt::::casa ########################################## 2026-03-06 05:53:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:55 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' ) 2026-03-06 05:53:55 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:55 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:55 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. 2026-03-06 05:53:55 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-03-06 05:53:55 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:55 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:55 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-03-06 05:53:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-03-06 05:53:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-03-06 05:53:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:56 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:55.122369 End time: 2026-03-06 05:53:55.503464 2026-03-06 05:53:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:56 INFO statwt::::casa ########################################## 2026-03-06 05:53:56 INFO name:: No table opened. 2026-03-06 05:53:56 INFO name:: No table opened. .2026-03-06 05:53:56 INFO statwt::::casa ########################################## 2026-03-06 05:53:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:56 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' ) 2026-03-06 05:53:56 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:56 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:56 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. 2026-03-06 05:53:56 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-03-06 05:53:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:56 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:56 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-03-06 05:53:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-03-06 05:53:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-03-06 05:53:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:56 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:55.708021 End time: 2026-03-06 05:53:56.079891 2026-03-06 05:53:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:56 INFO statwt::::casa ########################################## 2026-03-06 05:53:56 INFO name:: No table opened. 2026-03-06 05:53:56 INFO name:: No table opened. .2026-03-06 05:53:56 INFO statwt::::casa ########################################## 2026-03-06 05:53:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:56 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' ) 2026-03-06 05:53:56 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:56 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:56 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-03-06 05:53:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-03-06 05:53:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-03-06 05:53:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:57 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:56.335304 End time: 2026-03-06 05:53:56.697370 2026-03-06 05:53:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:57 INFO statwt::::casa ########################################## 2026-03-06 05:53:57 INFO name:: No table opened. 2026-03-06 05:53:57 INFO name:: No table opened. .2026-03-06 05:53:57 INFO statwt::::casa ########################################## 2026-03-06 05:53:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:57 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' ) 2026-03-06 05:53:57 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:57 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:57 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-03-06 05:53:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-03-06 05:53:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-03-06 05:53:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:57 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:56.870376 End time: 2026-03-06 05:53:57.269223 2026-03-06 05:53:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:57 INFO statwt::::casa ########################################## 2026-03-06 05:53:57 INFO name:: No table opened. 2026-03-06 05:53:57 INFO name:: No table opened. .2026-03-06 05:53:57 INFO statwt::::casa ########################################## 2026-03-06 05:53:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:57 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' ) 2026-03-06 05:53:57 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:57 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:57 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:57 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-03-06 05:53:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-03-06 05:53:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-03-06 05:53:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:57 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:57.333867 End time: 2026-03-06 05:53:57.431740 2026-03-06 05:53:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:57 INFO statwt::::casa ########################################## 2026-03-06 05:53:58 INFO name:: No table opened. 2026-03-06 05:53:58 INFO name:: No table opened. .2026-03-06 05:53:58 INFO statwt::::casa ########################################## 2026-03-06 05:53:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:58 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' ) 2026-03-06 05:53:58 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:58 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:53:58 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:58 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:58 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:58 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-03-06 05:53:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-03-06 05:53:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-03-06 05:53:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:58 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:57.708283 End time: 2026-03-06 05:53:58.129131 2026-03-06 05:53:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:58 INFO statwt::::casa ########################################## 2026-03-06 05:53:58 INFO name:: No table opened. 2026-03-06 05:53:58 INFO name:: No table opened. .2026-03-06 05:53:58 INFO statwt::::casa ########################################## 2026-03-06 05:53:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:58 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' ) 2026-03-06 05:53:58 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:58 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:53:58 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:58 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:59 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:59 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-03-06 05:53:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-03-06 05:53:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-03-06 05:53:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:59 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:58.317390 End time: 2026-03-06 05:53:58.770583 2026-03-06 05:53:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:59 INFO statwt::::casa ########################################## 2026-03-06 05:53:59 INFO statwt::::casa ########################################## 2026-03-06 05:53:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:53:59 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' ) 2026-03-06 05:53:59 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:53:59 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:53:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-03-06 05:53:59 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:53:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:53:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:53:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:53:59 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:53:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:53:59 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-03-06 05:53:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:53:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-03-06 05:53:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-03-06 05:53:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:53:59 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:59.023954 End time: 2026-03-06 05:53:59.439272 2026-03-06 05:53:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:53:59 INFO statwt::::casa ########################################## 2026-03-06 05:54:00 INFO name:: No table opened. 2026-03-06 05:54:00 INFO name:: No table opened. .2026-03-06 05:54:00 INFO statwt::::casa ########################################## 2026-03-06 05:54:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:54:00 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' ) 2026-03-06 05:54:00 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:54:00 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:54:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:54:00 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:54:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:54:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:54:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:54:00 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:54:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:54:00 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-03-06 05:54:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:54:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-03-06 05:54:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-03-06 05:54:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:54:00 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:53:59.690553 End time: 2026-03-06 05:53:59.975700 2026-03-06 05:54:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:54:00 INFO statwt::::casa ########################################## 2026-03-06 05:54:00 INFO name:: No table opened. 2026-03-06 05:54:00 INFO name:: No table opened. .2026-03-06 05:54:00 INFO statwt::::casa ########################################## 2026-03-06 05:54:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:54:00 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' ) 2026-03-06 05:54:00 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:54:00 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:54:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:54:00 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:54:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:54:01 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:54:01 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:54:01 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:54:01 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:54:01 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-03-06 05:54:01 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:54:01 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-03-06 05:54:01 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-03-06 05:54:01 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:54:01 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:54:00.173574 End time: 2026-03-06 05:54:00.616433 2026-03-06 05:54:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:54:01 INFO statwt::::casa ########################################## 2026-03-06 05:54:01 INFO statwt::::casa ########################################## 2026-03-06 05:54:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:54:01 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' ) 2026-03-06 05:54:01 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:54:01 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:54:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:54:01 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:54:01 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:54:01 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:54:01 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:54:01 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:54:01 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:54:01 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-03-06 05:54:01 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:54:01 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-03-06 05:54:01 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-03-06 05:54:01 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:54:01 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:54:00.659973 End time: 2026-03-06 05:54:01.096484 2026-03-06 05:54:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:54:01 INFO statwt::::casa ########################################## 2026-03-06 05:54:01 INFO statwt::::casa ########################################## 2026-03-06 05:54:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:54:01 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' ) 2026-03-06 05:54:01 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:54:01 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:54:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-03-06 05:54:01 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-03-06 05:54:01 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:54:02 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:54:02 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:54:02 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:54:02 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:54:02 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-03-06 05:54:02 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:54:02 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-03-06 05:54:02 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-03-06 05:54:02 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:54:02 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:54:01.135851 End time: 2026-03-06 05:54:01.612354 2026-03-06 05:54:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:54:02 INFO statwt::::casa ########################################## 2026-03-06 05:54:02 INFO statwt::::casa ########################################## 2026-03-06 05:54:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:54:02 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' ) 2026-03-06 05:54:02 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:54:02 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:54:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-03-06 05:54:02 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. 2026-03-06 05:54:02 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:54:02 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:54:02 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:54:02 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:54:02 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:54:02 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-03-06 05:54:02 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:54:02 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-03-06 05:54:02 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-03-06 05:54:02 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:54:02 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:54:01.654821 End time: 2026-03-06 05:54:02.138099 2026-03-06 05:54:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:54:02 INFO statwt::::casa ########################################## 2026-03-06 05:54:02 INFO statwt::::casa ########################################## 2026-03-06 05:54:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:54:02 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' ) 2026-03-06 05:54:02 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:54:02 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:54:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-03-06 05:54:02 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. 2026-03-06 05:54:02 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-03-06 05:54:02 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 2026-03-06 05:54:02 INFO statwt::::casa Traceback (most recent call last): 2026-03-06 05:54:02 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-03-06 05:54:02 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'] ) 2026-03-06 05:54:02 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-03-06 05:54:02 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-03-06 05:54:02 INFO statwt::::casa+ rval = myms.statwt( 2026-03-06 05:54:02 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-03-06 05:54:02 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-03-06 05:54:02 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-03-06 05:54:02 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-03-06 05:54:02 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.5-6-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-03-06 05:54:02 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-03-06 05:54:02 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-03-06 05:54:02 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-03-06 05:54:02 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:54:02.178387 End time: 2026-03-06 05:54:02.251273 2026-03-06 05:54:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:54:02 INFO statwt::::casa ########################################## 2026-03-06 05:54:02 INFO name:: No table opened. 2026-03-06 05:54:02 INFO name:: No table opened. .2026-03-06 05:54:02 INFO statwt::::casa ########################################## 2026-03-06 05:54:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:54:02 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' ) 2026-03-06 05:54:02 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:54:02 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:54:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:54:02 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. 2026-03-06 05:54:02 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:54:03 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:54:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:54:03 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:54:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:54:03 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-03-06 05:54:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:54:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-03-06 05:54:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-03-06 05:54:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:54:03 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:54:02.297988 End time: 2026-03-06 05:54:02.590618 2026-03-06 05:54:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:54:03 INFO statwt::::casa ########################################## 2026-03-06 05:54:03 INFO statwt::::casa ########################################## 2026-03-06 05:54:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:54:03 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' ) 2026-03-06 05:54:03 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:54:03 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:54:03 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:54:03 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. 2026-03-06 05:54:03 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:54:03 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-03-06 05:54:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-03-06 05:54:03 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:54:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:54:03 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-03-06 05:54:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:54:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-03-06 05:54:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-03-06 05:54:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:54:03 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:54:02.938452 End time: 2026-03-06 05:54:03.264164 2026-03-06 05:54:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:54:03 INFO statwt::::casa ########################################## 2026-03-06 05:54:03 INFO name:: No table opened. 2026-03-06 05:54:03 INFO name:: No table opened. .2026-03-06 05:54:03 INFO statwt::::casa ########################################## 2026-03-06 05:54:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:54:03 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' ) 2026-03-06 05:54:03 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:54:03 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:54:04 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-03-06 05:54:04 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. 2026-03-06 05:54:04 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:54:04 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-03-06 05:54:04 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-03-06 05:54:04 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:54:04 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:54:04 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-03-06 05:54:04 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:54:04 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-03-06 05:54:04 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-03-06 05:54:04 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:54:04 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:54:03.491861 End time: 2026-03-06 05:54:03.750980 2026-03-06 05:54:04 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:54:04 INFO statwt::::casa ########################################## 2026-03-06 05:54:04 INFO statwt::::casa ########################################## 2026-03-06 05:54:04 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-03-06 05:54:04 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' ) 2026-03-06 05:54:04 INFO statwt::::casa Backup original flags before applying new flags 2026-03-06 05:54:04 INFO AgentFlagger::open Table type is Measurement Set 2026-03-06 05:54:04 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-03-06 05:54:04 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. 2026-03-06 05:54:04 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-03-06 05:54:04 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-03-06 05:54:04 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-03-06 05:54:04 INFO StatWtTVI::summarizeFlagging 2026-03-06 05:54:04 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-03-06 05:54:04 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-03-06 05:54:04 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-03-06 05:54:04 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-03-06 05:54:04 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-03-06 05:54:04 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-03-06 05:54:04 INFO statwt::::casa Task statwt complete. Start time: 2026-03-06 05:54:04.015846 End time: 2026-03-06 05:54:04.272717 2026-03-06 05:54:04 INFO statwt::::casa ##### End Task: statwt ##### 2026-03-06 05:54:04 INFO statwt::::casa ########################################## 2026-03-06 05:54:04 INFO name:: No table opened. 2026-03-06 05:54:04 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 33.761s OK Generating XML reports...