2026-10-06 08:14:21 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-10-06 08:14:21 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.7-12-py3.12.el8/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-10-06 08:14:21 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-10-06 08:14:21 INFO ::casa 2026-10-06 08:14:21 INFO ::casa config values 2026-10-06 08:14:21 INFO ::casa agg = False 2026-10-06 08:14:21 INFO ::casa cachedir = '/home/casatest/.casa' 2026-10-06 08:14:21 INFO ::casa casaconfig_verbose = 1 2026-10-06 08:14:21 INFO ::casa colors = 'Neutral' 2026-10-06 08:14:21 INFO ::casa data_auto_update = False 2026-10-06 08:14:21 INFO ::casa data_update_interval = 1 2026-10-06 08:14:21 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-10-06 08:14:21 INFO ::casa iplog = False 2026-10-06 08:14:21 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20261006-081417.log' 2026-10-06 08:14:21 INFO ::casa log2term = True 2026-10-06 08:14:21 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20261006-081417.log' 2026-10-06 08:14:21 INFO ::casa measures_auto_update = False 2026-10-06 08:14:21 INFO ::casa measures_site = ['https://iers.astron.nl/', 'https://go.nrao.edu/iers/'] 2026-10-06 08:14:21 INFO ::casa measures_site_interval = 2 2026-10-06 08:14:21 INFO ::casa measures_update_interval = 1 2026-10-06 08:14:21 INFO ::casa measurespath = '/opt/casa/data/master' 2026-10-06 08:14:21 INFO ::casa nogui = False 2026-10-06 08:14:21 INFO ::casa nologfile = False 2026-10-06 08:14:21 INFO ::casa nologger = True 2026-10-06 08:14:21 INFO ::casa pipeline = False 2026-10-06 08:14:21 INFO ::casa skipnetworkcheck = False 2026-10-06 08:14:21 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-10-06 08:14:21 INFO ::casa user_site = False 2026-10-06 08:14:21 INFO ::casa 2026-10-06 08:14:21 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-10-06 08:14:21 INFO ::casa measures version : WSRT_Measures_20211217-160001.ztar 2026-10-06 08:14:21 INFO ::casa 2026-10-06 08:14:21 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-10-06 08:14:21 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/09/10/15:15, 2026/08/11/00:00:00 2026-10-06 08:14:21 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/09/10/15:15, 2026/08/11/00:00:00 2026-10-06 08:14:21 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/10/05/15:15, 2027/01/03/00:00:00 2026-10-06 08:14:21 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2026/10/05/15:15, 2017/01/01/00:00:00 Running tests... ---------------------------------------------------------------------- Using user configuration file /home/casatest/.casa/config.py No event loop hook running. Using matplotlib backend: agg CASA 6.7.7.12 -- Common Astronomy Software Applications [6.7.7.12] 2026-10-06 08:14:21 INFO statwt::::casa ########################################## 2026-10-06 08:14:21 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:21 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:0~9;21~62', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:21 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:21 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:21 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:21 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:21 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:22 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:22 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:22 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:22 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:22 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-06 08:14:22 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-06 08:14:22 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-06 08:14:22 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-06 08:14:22 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:22 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:20.964042 End time: 2026-10-06 08:14:21.801293 2026-10-06 08:14:22 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:22 INFO statwt::::casa ########################################## 2026-10-06 08:14:22 INFO statwt::::casa ########################################## 2026-10-06 08:14:22 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:22 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:22 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:22 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:22 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:14:22 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:22 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:22 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:22 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:22 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:22 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:22 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-06 08:14:22 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:22 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-06 08:14:22 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-06 08:14:22 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:23 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:21.994149 End time: 2026-10-06 08:14:22.609778 2026-10-06 08:14:23 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:23 INFO statwt::::casa ########################################## 2026-10-06 08:14:23 INFO statwt::::casa ########################################## 2026-10-06 08:14:23 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:23 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:10~20', excludechans=True, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:23 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:23 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:23 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-06 08:14:23 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:23 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:23 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:23 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:23 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:23 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:23 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-10-06 08:14:23 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-06 08:14:23 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-10-06 08:14:23 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-10-06 08:14:23 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:23 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:22.797311 End time: 2026-10-06 08:14:23.463241 2026-10-06 08:14:23 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:23 INFO statwt::::casa ########################################## 2026-10-06 08:14:24 INFO statwt::::casa ########################################## 2026-10-06 08:14:24 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:24 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:0~9;21~62', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:24 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:24 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:24 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-06 08:14:24 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:24 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:24 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:24 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:24 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:24 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:24 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-06 08:14:24 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-06 08:14:24 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-06 08:14:24 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-06 08:14:24 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:24 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:23.645967 End time: 2026-10-06 08:14:24.166240 2026-10-06 08:14:24 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:24 INFO statwt::::casa ########################################## 2026-10-06 08:14:24 INFO statwt::::casa ########################################## 2026-10-06 08:14:24 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:24 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:24 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:24 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:24 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-06 08:14:25 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:25 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:25 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:25 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:25 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:25 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:25 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-06 08:14:25 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:25 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-06 08:14:25 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-06 08:14:25 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:25 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:24.380198 End time: 2026-10-06 08:14:24.822521 2026-10-06 08:14:25 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:25 INFO statwt::::casa ########################################## 2026-10-06 08:14:25 INFO statwt::::casa ########################################## 2026-10-06 08:14:25 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:25 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:10~20', excludechans=True, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:25 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:25 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:25 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-06 08:14:25 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:25 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:25 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:25 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:25 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:25 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:25 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-10-06 08:14:25 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-10-06 08:14:25 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-10-06 08:14:25 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-10-06 08:14:25 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:26 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:25.010681 End time: 2026-10-06 08:14:25.659989 2026-10-06 08:14:26 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:26 INFO statwt::::casa ########################################## 2026-10-06 08:14:26 INFO name:: No table opened. 2026-10-06 08:14:26 INFO name:: No table opened. .2026-10-06 08:14:26 INFO statwt::::casa ########################################## 2026-10-06 08:14:26 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:26 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:26 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:26 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:26 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:26 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:26 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:27 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:27 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:27 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:27 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:27 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-06 08:14:27 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:27 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-06 08:14:27 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-06 08:14:27 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:28 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:25.842218 End time: 2026-10-06 08:14:27.613314 2026-10-06 08:14:28 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:28 INFO statwt::::casa ########################################## 2026-10-06 08:14:28 INFO statwt::::casa ########################################## 2026-10-06 08:14:28 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:28 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:28 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:28 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:28 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:14:28 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:28 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:29 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:29 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:29 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:29 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:29 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-06 08:14:29 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:29 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-06 08:14:29 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-06 08:14:29 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:29 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:27.684500 End time: 2026-10-06 08:14:29.159247 2026-10-06 08:14:29 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:29 INFO statwt::::casa ########################################## 2026-10-06 08:14:29 INFO statwt::::casa ########################################## 2026-10-06 08:14:29 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:29 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:29 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:29 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:29 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-06 08:14:29 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:29 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-06 08:14:29 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-06 08:14:30 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:31 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:31 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:31 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:31 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:31 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-06 08:14:31 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:31 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-06 08:14:31 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-06 08:14:31 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:31 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:29.281915 End time: 2026-10-06 08:14:30.821563 2026-10-06 08:14:31 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:31 INFO statwt::::casa ########################################## 2026-10-06 08:14:31 INFO statwt::::casa ########################################## 2026-10-06 08:14:31 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:31 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:31 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:31 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:31 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-06 08:14:31 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:31 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-06 08:14:31 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-06 08:14:31 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:32 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:32 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:32 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:32 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:32 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-10-06 08:14:32 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:32 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-10-06 08:14:32 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-10-06 08:14:32 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:32 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:31.002013 End time: 2026-10-06 08:14:32.317180 2026-10-06 08:14:32 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:32 INFO statwt::::casa ########################################## 2026-10-06 08:14:32 INFO statwt::::casa ########################################## 2026-10-06 08:14:32 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:32 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:32 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:32 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:32 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-06 08:14:33 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:33 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:33 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:33 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:33 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:33 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:33 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-06 08:14:33 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:33 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-06 08:14:33 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-06 08:14:33 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:33 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:32.387822 End time: 2026-10-06 08:14:33.300967 2026-10-06 08:14:33 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:33 INFO statwt::::casa ########################################## 2026-10-06 08:14:33 INFO statwt::::casa ########################################## 2026-10-06 08:14:33 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:33 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:33 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:33 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:33 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-10-06 08:14:34 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:34 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:34 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:34 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:34 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:34 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:34 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-06 08:14:34 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:34 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-06 08:14:34 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-06 08:14:34 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:34 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:33.373469 End time: 2026-10-06 08:14:34.165072 2026-10-06 08:14:34 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:34 INFO statwt::::casa ########################################## 2026-10-06 08:14:34 INFO statwt::::casa ########################################## 2026-10-06 08:14:34 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:34 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:34 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:34 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:34 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-10-06 08:14:34 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:34 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-06 08:14:34 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-06 08:14:34 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:35 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:35 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:35 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:35 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:35 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-10-06 08:14:35 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:35 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-10-06 08:14:35 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-10-06 08:14:35 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:35 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:34.225302 End time: 2026-10-06 08:14:35.250909 2026-10-06 08:14:35 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:35 INFO statwt::::casa ########################################## 2026-10-06 08:14:35 INFO name:: No table opened. 2026-10-06 08:14:35 INFO name:: No table opened. .2026-10-06 08:14:35 INFO statwt::::casa ########################################## 2026-10-06 08:14:35 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:35 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 08:14:35 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:35 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:35 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:36 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-06 08:14:36 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-06 08:14:36 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-06 08:14:36 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 08:14:38 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:38 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-06 08:14:38 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:38 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:38 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-06 08:14:38 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-10-06 08:14:38 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-06 08:14:38 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-10-06 08:14:38 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-10-06 08:14:38 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:38 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:35.456199 End time: 2026-10-06 08:14:38.038565 2026-10-06 08:14:38 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:38 INFO statwt::::casa ########################################## 2026-10-06 08:14:38 INFO statwt::::casa ########################################## 2026-10-06 08:14:38 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:38 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_0.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 08:14:38 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:38 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:38 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:39 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-06 08:14:39 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-10-06 08:14:39 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-10-06 08:14:39 SEVERE ms::statwt Exception Reported: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-10-06 08:14:39 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 2026-10-06 08:14:39 SEVERE statwt::::casa Exception Reported: Error in statwt: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-10-06 08:14:39 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 2026-10-06 08:14:39 INFO statwt::::casa Traceback (most recent call last): 2026-10-06 08:14:39 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-06 08:14:39 INFO statwt::::casa+ task_result = _statwt_t( _pc.document['vis'],_pc.document['selectdata'],_pc.document['field'],_pc.document['spw'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['scan'],_pc.document['combine'],_pc.document['timebin'],_pc.document['slidetimebin'],_pc.document['chanbin'],_pc.document['minsamp'],_pc.document['statalg'],_pc.document['fence'],_pc.document['center'],_pc.document['lside'],_pc.document['zscore'],_pc.document['maxiter'],_pc.document['fitspw'],_pc.document['excludechans'],_pc.document['wtrange'],_pc.document['flagbackup'],_pc.document['preview'],_pc.document['datacolumn'] ) 2026-10-06 08:14:39 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 08:14:39 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-06 08:14:39 INFO statwt::::casa+ rval = myms.statwt( 2026-10-06 08:14:39 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-06 08:14:39 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-06 08:14:39 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-06 08:14:39 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 08:14:39 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-10-06 08:14:39 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-06 08:14:39 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 08:14:39 INFO statwt::::casa+ RuntimeError: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-10-06 08:14:39 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 2026-10-06 08:14:39 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:38.417446 End time: 2026-10-06 08:14:39.274663 2026-10-06 08:14:39 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:39 INFO statwt::::casa ########################################## 2026-10-06 08:14:39 INFO statwt::::casa ########################################## 2026-10-06 08:14:39 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:39 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_0.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 08:14:39 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:39 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:39 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:14:40 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-06 08:14:40 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 08:14:40 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:40 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-10-06 08:14:40 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:40 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:40 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-10-06 08:14:40 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-10-06 08:14:40 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-10-06 08:14:40 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-10-06 08:14:40 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:41 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:39.280887 End time: 2026-10-06 08:14:40.577624 2026-10-06 08:14:41 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:41 INFO statwt::::casa ########################################## 2026-10-06 08:14:41 INFO name:: No table opened. 2026-10-06 08:14:41 INFO name:: No table opened. .2026-10-06 08:14:41 INFO statwt::::casa ########################################## 2026-10-06 08:14:41 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:41 INFO statwt::::casa statwt( vis='ngc5921.split.data.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='data' ) 2026-10-06 08:14:41 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:41 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:41 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:41 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-06 08:14:41 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-10-06 08:14:41 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:41 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:41 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:41 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:41 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-06 08:14:41 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:41 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-06 08:14:41 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-06 08:14:41 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:42 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:40.775745 End time: 2026-10-06 08:14:41.635919 2026-10-06 08:14:42 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:42 INFO statwt::::casa ########################################## 2026-10-06 08:14:42 INFO name:: No table opened. 2026-10-06 08:14:42 INFO name:: No table opened. .2026-10-06 08:14:42 INFO statwt::::casa ########################################## 2026-10-06 08:14:42 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:42 INFO statwt::::casa statwt( vis='ngc5921.split.normalbounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:42 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:42 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:42 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:42 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:42 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:42 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:42 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:42 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:42 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:42 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-06 08:14:42 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:42 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-06 08:14:42 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-06 08:14:42 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:42 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:41.831562 End time: 2026-10-06 08:14:42.292198 2026-10-06 08:14:42 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:42 INFO statwt::::casa ########################################## 2026-10-06 08:14:42 INFO statwt::::casa ########################################## 2026-10-06 08:14:42 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:42 INFO statwt::::casa statwt( vis='ngc5921.split.normalbounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,field', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:42 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:42 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:42 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:14:43 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:43 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:43 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:43 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:43 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:43 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:43 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-10-06 08:14:43 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:43 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-10-06 08:14:43 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-10-06 08:14:43 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:43 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:42.455652 End time: 2026-10-06 08:14:42.877837 2026-10-06 08:14:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:43 INFO statwt::::casa ########################################## 2026-10-06 08:14:43 INFO name:: No table opened. 2026-10-06 08:14:43 INFO name:: No table opened. .2026-10-06 08:14:43 INFO statwt::::casa ########################################## 2026-10-06 08:14:43 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:43 INFO statwt::::casa statwt( vis='ngc5921.split.fieldsel.ms', selectdata=True, field='2', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:43 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:43 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:43 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:43 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:43 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:43 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:43 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-06 08:14:43 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:43 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:43 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-06 08:14:43 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:43 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-06 08:14:43 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-06 08:14:43 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:43 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:43.019330 End time: 2026-10-06 08:14:43.462954 2026-10-06 08:14:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:43 INFO statwt::::casa ########################################## 2026-10-06 08:14:44 INFO statwt::::casa ########################################## 2026-10-06 08:14:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:44 INFO statwt::::casa statwt( vis='ngc5921.split.fieldsel.ms', selectdata=True, field='N5921_2', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:44 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:44 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:14:44 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:44 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:44 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:44 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-06 08:14:44 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:44 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:44 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-10-06 08:14:44 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:44 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-10-06 08:14:44 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-10-06 08:14:44 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:45 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:43.877662 End time: 2026-10-06 08:14:44.726304 2026-10-06 08:14:45 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:45 INFO statwt::::casa ########################################## 2026-10-06 08:14:45 INFO name:: No table opened. 2026-10-06 08:14:45 INFO name:: No table opened. .2026-10-06 08:14:45 INFO statwt::::casa ########################################## 2026-10-06 08:14:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:45 INFO statwt::::casa statwt( vis='ngc5921.split.minsamp.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=60, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:45 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:45 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:45 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:45 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:45 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:45 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:45 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-06 08:14:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-06 08:14:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-06 08:14:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:46 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:44.923260 End time: 2026-10-06 08:14:45.536086 2026-10-06 08:14:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:46 INFO statwt::::casa ########################################## 2026-10-06 08:14:46 INFO statwt::::casa ########################################## 2026-10-06 08:14:46 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:46 INFO statwt::::casa statwt( vis='ngc5921.split.minsamp.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=80, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:46 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:46 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:14:46 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:46 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:46 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-10-06 08:14:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-10-06 08:14:46 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:46 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-10-06 08:14:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-10-06 08:14:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-10-06 08:14:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:46 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:45.650103 End time: 2026-10-06 08:14:46.164016 2026-10-06 08:14:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:46 INFO statwt::::casa ########################################## 2026-10-06 08:14:46 INFO name:: No table opened. 2026-10-06 08:14:46 INFO name:: No table opened. .2026-10-06 08:14:46 INFO statwt::::casa ########################################## 2026-10-06 08:14:46 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:46 INFO statwt::::casa statwt( vis='statwt_test_vlass_timebin1.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 08:14:46 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:46 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:46 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-10-06 08:14:46 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 08:14:47 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-06 08:14:47 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:47 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-10-06 08:14:47 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-10-06 08:14:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-06 08:14:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-10-06 08:14:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-10-06 08:14:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:47 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:46.309189 End time: 2026-10-06 08:14:46.926956 2026-10-06 08:14:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:47 INFO statwt::::casa ########################################## 2026-10-06 08:14:47 INFO statwt::::casa ########################################## 2026-10-06 08:14:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:47 INFO statwt::::casa statwt( vis='statwt_test_vlass_timebin5s.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='5s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 08:14:47 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:47 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:47 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. 2026-10-06 08:14:47 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-10-06 08:14:48 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-10-06 08:14:48 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-10-06 08:14:48 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-10-06 08:14:48 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:48 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:47.139778 End time: 2026-10-06 08:14:47.787289 2026-10-06 08:14:48 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:48 INFO statwt::::casa ########################################## 2026-10-06 08:14:48 INFO name:: No table opened. 2026-10-06 08:14:48 INFO name:: No table opened. .2026-10-06 08:14:48 INFO statwt::::casa ########################################## 2026-10-06 08:14:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:48 INFO statwt::::casa statwt( vis='ngc5921.no_scan_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr, scan', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:48 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:48 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:48 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:48 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:48 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-10-06 08:14:48 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:48 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-10-06 08:14:48 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-10-06 08:14:48 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:49 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:47.916016 End time: 2026-10-06 08:14:48.534374 2026-10-06 08:14:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:49 INFO statwt::::casa ########################################## 2026-10-06 08:14:49 INFO name:: No table opened. 2026-10-06 08:14:49 INFO name:: No table opened. .2026-10-06 08:14:49 INFO statwt::::casa ########################################## 2026-10-06 08:14:49 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:49 INFO statwt::::casa statwt( vis='ngc5921.no_scan_nor_field_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,scan,field', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:49 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:49 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:49 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:49 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:49 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:49 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:49 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:49 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-06 08:14:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-06 08:14:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-06 08:14:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:49 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:48.732758 End time: 2026-10-06 08:14:49.296864 2026-10-06 08:14:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:49 INFO statwt::::casa ########################################## 2026-10-06 08:14:49 INFO statwt::::casa ########################################## 2026-10-06 08:14:49 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:49 INFO statwt::::casa statwt( vis='ngc5921.no_scan_nor_field_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,field,scan', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:49 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:49 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:49 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:14:50 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:50 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:50 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-10-06 08:14:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-10-06 08:14:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-10-06 08:14:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:50 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:49.432042 End time: 2026-10-06 08:14:49.928063 2026-10-06 08:14:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:50 INFO statwt::::casa ########################################## 2026-10-06 08:14:50 INFO name:: No table opened. 2026-10-06 08:14:50 INFO name:: No table opened. .2026-10-06 08:14:50 INFO statwt::::casa ########################################## 2026-10-06 08:14:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:50 INFO statwt::::casa statwt( vis='ngc5921.split.preview.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=True, datacolumn='corrected' ) 2026-10-06 08:14:50 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-10-06 08:14:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:50 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-10-06 08:14:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-06 08:14:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-06 08:14:50 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:50 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-06 08:14:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-06 08:14:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-06 08:14:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:50 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:50.106409 End time: 2026-10-06 08:14:50.265531 2026-10-06 08:14:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:50 INFO statwt::::casa ########################################## 2026-10-06 08:14:50 INFO name:: No table opened. 2026-10-06 08:14:50 INFO name:: No table opened. .2026-10-06 08:14:50 INFO statwt::::casa ########################################## 2026-10-06 08:14:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:50 INFO statwt::::casa statwt( vis='ngc5921.split.residualwmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual' ) 2026-10-06 08:14:50 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:50 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:50 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-06 08:14:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:51 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:51 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-06 08:14:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-06 08:14:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-06 08:14:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:51 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:50.337354 End time: 2026-10-06 08:14:50.851735 2026-10-06 08:14:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:51 INFO statwt::::casa ########################################## 2026-10-06 08:14:51 INFO name:: No table opened. 2026-10-06 08:14:51 INFO name:: No table opened. .2026-10-06 08:14:51 INFO statwt::::casa ########################################## 2026-10-06 08:14:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:51 INFO statwt::::casa statwt( vis='ngc5921.split.residualdatawmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 08:14:51 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:51 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:51 INFO StatWtColConfig::_determineFlags Updating the SIGMA/SIGMA_SPECTRUM values. WEIGHT/WEIGHT_SPECTRUM will not be recalculated as they are related to the values in the CORRECTED_DATA column. 2026-10-06 08:14:51 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 08:14:51 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:51 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:51 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-06 08:14:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-06 08:14:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-06 08:14:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:52 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:51.015014 End time: 2026-10-06 08:14:52.165901 2026-10-06 08:14:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:52 INFO statwt::::casa ########################################## 2026-10-06 08:14:52 INFO name:: No table opened. 2026-10-06 08:14:52 INFO name:: No table opened. .2026-10-06 08:14:52 INFO statwt::::casa ########################################## 2026-10-06 08:14:52 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:52 INFO statwt::::casa statwt( vis='ngc5921.split.residualdatawoutmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-10-06 08:14:52 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:52 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:52 INFO StatWtColConfig::_determineFlags Updating the SIGMA/SIGMA_SPECTRUM values. WEIGHT/WEIGHT_SPECTRUM will not be recalculated as they are related to the values in the CORRECTED_DATA column. 2026-10-06 08:14:52 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-10-06 08:14:53 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:53 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:53 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-10-06 08:14:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-10-06 08:14:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-10-06 08:14:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:53 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:52.406829 End time: 2026-10-06 08:14:52.895782 2026-10-06 08:14:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:53 INFO statwt::::casa ########################################## 2026-10-06 08:14:53 INFO name:: No table opened. 2026-10-06 08:14:53 INFO name:: No table opened. .2026-10-06 08:14:53 INFO statwt::::casa ########################################## 2026-10-06 08:14:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:53 INFO statwt::::casa statwt( vis='ngc5921.split.residualwoutmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual' ) 2026-10-06 08:14:53 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:53 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:53 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:53 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-10-06 08:14:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:54 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:54 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-06 08:14:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-06 08:14:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-06 08:14:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:54 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:53.137939 End time: 2026-10-06 08:14:53.595371 2026-10-06 08:14:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:54 INFO statwt::::casa ########################################## 2026-10-06 08:14:54 INFO name:: No table opened. 2026-10-06 08:14:54 INFO name:: No table opened. .2026-10-06 08:14:54 INFO statwt::::casa ########################################## 2026-10-06 08:14:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:54 INFO statwt::::casa statwt( vis='ngc5921.split.statstest.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:54 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:54 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:54 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:54 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:54 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-06 08:14:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-06 08:14:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-06 08:14:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:54 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:53.737491 End time: 2026-10-06 08:14:54.485967 2026-10-06 08:14:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:54 INFO statwt::::casa ########################################## 2026-10-06 08:14:55 INFO name:: No table opened. 2026-10-06 08:14:55 INFO name:: No table opened. .2026-10-06 08:14:55 INFO statwt::::casa ########################################## 2026-10-06 08:14:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:55 INFO statwt::::casa statwt( vis='ngc5921.split.scansel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='5', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:55 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:55 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:55 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:55 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-10-06 08:14:55 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:55 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-10-06 08:14:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-10-06 08:14:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-10-06 08:14:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:55 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:54.602876 End time: 2026-10-06 08:14:55.101832 2026-10-06 08:14:55 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:55 INFO statwt::::casa ########################################## 2026-10-06 08:14:55 INFO name:: No table opened. 2026-10-06 08:14:55 INFO name:: No table opened. .2026-10-06 08:14:55 INFO statwt::::casa ########################################## 2026-10-06 08:14:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:55 INFO statwt::::casa statwt( vis='ngc5921.split.sliding_time_window.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin='300s', slidetimebin=True, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:55 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:55 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:56 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:56 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:56 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-10-06 08:14:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-10-06 08:14:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-10-06 08:14:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:56 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:55.485278 End time: 2026-10-06 08:14:56.162105 2026-10-06 08:14:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:56 INFO statwt::::casa ########################################## 2026-10-06 08:14:56 INFO name:: No table opened. 2026-10-06 08:14:56 INFO name:: No table opened. .2026-10-06 08:14:56 INFO statwt::::casa ########################################## 2026-10-06 08:14:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:56 INFO statwt::::casa statwt( vis='ngc5921.split.sliding_time_window.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=5, slidetimebin=True, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:56 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:56 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:14:56 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:57 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:57 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-10-06 08:14:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-10-06 08:14:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-10-06 08:14:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:57 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:56.349370 End time: 2026-10-06 08:14:56.841114 2026-10-06 08:14:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:57 INFO statwt::::casa ########################################## 2026-10-06 08:14:57 INFO statwt::::casa ########################################## 2026-10-06 08:14:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:57 INFO statwt::::casa statwt( vis='ngc5921.split.sliding_time_window.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=6, slidetimebin=True, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:57 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:57 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-06 08:14:58 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:58 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:58 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:58 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-10-06 08:14:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-10-06 08:14:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-10-06 08:14:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:58 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:56.979316 End time: 2026-10-06 08:14:58.185112 2026-10-06 08:14:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:58 INFO statwt::::casa ########################################## 2026-10-06 08:14:58 INFO name:: No table opened. 2026-10-06 08:14:58 INFO name:: No table opened. .2026-10-06 08:14:58 INFO statwt::::casa ########################################## 2026-10-06 08:14:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:58 INFO statwt::::casa statwt( vis='ngc5921.split.spwsel.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:58 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:58 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:59 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:14:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:14:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:14:59 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:14:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:14:59 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-10-06 08:14:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:14:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-10-06 08:14:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-10-06 08:14:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:14:59 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:58.373983 End time: 2026-10-06 08:14:59.019900 2026-10-06 08:14:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:14:59 INFO statwt::::casa ########################################## 2026-10-06 08:14:59 INFO name:: No table opened. 2026-10-06 08:14:59 INFO name:: No table opened. .2026-10-06 08:14:59 INFO statwt::::casa ########################################## 2026-10-06 08:14:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:14:59 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='cl', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:14:59 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:14:59 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:14:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:14:59 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:14:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:15:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:15:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:15:00 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:15:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:15:00 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-10-06 08:15:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:15:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-10-06 08:15:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-10-06 08:15:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:15:00 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:59.207513 End time: 2026-10-06 08:14:59.828231 2026-10-06 08:15:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:15:00 INFO statwt::::casa ########################################## 2026-10-06 08:15:00 INFO statwt::::casa ########################################## 2026-10-06 08:15:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:15:00 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='ch', fence=-1.0, center='mean', lside=True, zscore=5.0, maxiter=3, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:15:00 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:15:00 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:15:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:15:00 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:15:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:15:01 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:15:01 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:15:01 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:15:01 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:15:01 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-10-06 08:15:01 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:15:01 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-10-06 08:15:01 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-10-06 08:15:01 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:15:01 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:14:59.895795 End time: 2026-10-06 08:15:00.667095 2026-10-06 08:15:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:15:01 INFO statwt::::casa ########################################## 2026-10-06 08:15:01 INFO statwt::::casa ########################################## 2026-10-06 08:15:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:15:01 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' ) 2026-10-06 08:15:01 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:15:01 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:15:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-10-06 08:15:01 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:15:01 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:15:01 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:15:01 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:15:01 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:15:01 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:15:01 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-10-06 08:15:01 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:15:01 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-10-06 08:15:01 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-10-06 08:15:01 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:15:02 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:15:00.741345 End time: 2026-10-06 08:15:01.520909 2026-10-06 08:15:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:15:02 INFO statwt::::casa ########################################## 2026-10-06 08:15:02 INFO statwt::::casa ########################################## 2026-10-06 08:15:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:15:02 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' ) 2026-10-06 08:15:02 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:15:02 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:15:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-10-06 08:15:02 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:15:02 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:15:02 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:15:02 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:15:02 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:15:02 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:15:02 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-10-06 08:15:02 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:15:02 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-10-06 08:15:02 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-10-06 08:15:02 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:15:03 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:15:01.590185 End time: 2026-10-06 08:15:02.694964 2026-10-06 08:15:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:15:03 INFO statwt::::casa ########################################## 2026-10-06 08:15:03 INFO statwt::::casa ########################################## 2026-10-06 08:15:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:15:03 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='bogus', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:15:03 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:15:03 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:15:03 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-10-06 08:15:03 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. 2026-10-06 08:15:03 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-06 08:15:03 SEVERE statwt::::casa Exception Reported: Error in statwt: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-06 08:15:03 INFO statwt::::casa Traceback (most recent call last): 2026-10-06 08:15:03 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-10-06 08:15:03 INFO statwt::::casa+ task_result = _statwt_t( _pc.document['vis'],_pc.document['selectdata'],_pc.document['field'],_pc.document['spw'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['scan'],_pc.document['combine'],_pc.document['timebin'],_pc.document['slidetimebin'],_pc.document['chanbin'],_pc.document['minsamp'],_pc.document['statalg'],_pc.document['fence'],_pc.document['center'],_pc.document['lside'],_pc.document['zscore'],_pc.document['maxiter'],_pc.document['fitspw'],_pc.document['excludechans'],_pc.document['wtrange'],_pc.document['flagbackup'],_pc.document['preview'],_pc.document['datacolumn'] ) 2026-10-06 08:15:03 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 08:15:03 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-10-06 08:15:03 INFO statwt::::casa+ rval = myms.statwt( 2026-10-06 08:15:03 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-10-06 08:15:03 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-10-06 08:15:03 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-10-06 08:15:03 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 08:15:03 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.7-12-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-10-06 08:15:03 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-10-06 08:15:03 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-10-06 08:15:03 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-10-06 08:15:03 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:15:02.767442 End time: 2026-10-06 08:15:02.919388 2026-10-06 08:15:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:15:03 INFO statwt::::casa ########################################## 2026-10-06 08:15:03 INFO name:: No table opened. 2026-10-06 08:15:03 INFO name:: No table opened. .2026-10-06 08:15:03 INFO statwt::::casa ########################################## 2026-10-06 08:15:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:15:03 INFO statwt::::casa statwt( vis='ngc5921.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:15:03 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:15:03 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:15:03 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:15:03 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. 2026-10-06 08:15:03 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:15:03 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:15:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:15:03 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:15:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:15:03 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-06 08:15:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:15:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-06 08:15:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-06 08:15:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:15:04 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:15:02.978335 End time: 2026-10-06 08:15:03.662089 2026-10-06 08:15:04 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:15:04 INFO statwt::::casa ########################################## 2026-10-06 08:15:04 INFO statwt::::casa ########################################## 2026-10-06 08:15:04 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:15:04 INFO statwt::::casa statwt( vis='ngc5921.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=10, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:15:04 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:15:04 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:15:04 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:15:04 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. 2026-10-06 08:15:04 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:15:04 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-10-06 08:15:04 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-10-06 08:15:04 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:15:04 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:15:04 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-10-06 08:15:04 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:15:04 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-10-06 08:15:04 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-10-06 08:15:04 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:15:04 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:15:03.853902 End time: 2026-10-06 08:15:04.455090 2026-10-06 08:15:04 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:15:04 INFO statwt::::casa ########################################## 2026-10-06 08:15:05 INFO name:: No table opened. 2026-10-06 08:15:05 INFO name:: No table opened. .2026-10-06 08:15:05 INFO statwt::::casa ########################################## 2026-10-06 08:15:05 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:15:05 INFO statwt::::casa statwt( vis='ngc5921.wtrange.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:15:05 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:15:05 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:15:05 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-10-06 08:15:05 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:15:05 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:15:05 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-06 08:15:05 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-06 08:15:05 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:15:05 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:15:05 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-06 08:15:05 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:15:05 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-06 08:15:05 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-06 08:15:05 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:15:05 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:15:04.634496 End time: 2026-10-06 08:15:05.122664 2026-10-06 08:15:05 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:15:05 INFO statwt::::casa ########################################## 2026-10-06 08:15:05 INFO statwt::::casa ########################################## 2026-10-06 08:15:05 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-10-06 08:15:05 INFO statwt::::casa statwt( vis='ngc5921.wtrange.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-10-06 08:15:05 INFO statwt::::casa Backup original flags before applying new flags 2026-10-06 08:15:05 INFO AgentFlagger::open Table type is Measurement Set 2026-10-06 08:15:05 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-10-06 08:15:05 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-10-06 08:15:06 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-10-06 08:15:06 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-10-06 08:15:06 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-10-06 08:15:06 INFO StatWtTVI::summarizeFlagging 2026-10-06 08:15:06 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-10-06 08:15:06 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-10-06 08:15:06 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-10-06 08:15:06 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-10-06 08:15:06 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-10-06 08:15:06 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-10-06 08:15:06 INFO statwt::::casa Task statwt complete. Start time: 2026-10-06 08:15:05.307177 End time: 2026-10-06 08:15:05.816370 2026-10-06 08:15:06 INFO statwt::::casa ##### End Task: statwt ##### 2026-10-06 08:15:06 INFO statwt::::casa ########################################## 2026-10-06 08:15:06 INFO name:: No table opened. 2026-10-06 08:15:06 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 45.046s OK Generating XML reports...