2026-04-25 09:37:56 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-04-25 09:37:56 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.4-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-04-25 09:37:56 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-04-25 09:37:56 INFO ::casa 2026-04-25 09:37:56 INFO ::casa config values 2026-04-25 09:37:56 INFO ::casa agg = False 2026-04-25 09:37:56 INFO ::casa cachedir = '/home/casatest/.casa' 2026-04-25 09:37:56 INFO ::casa casaconfig_verbose = 1 2026-04-25 09:37:56 INFO ::casa colors = 'Neutral' 2026-04-25 09:37:56 INFO ::casa data_auto_update = False 2026-04-25 09:37:56 INFO ::casa data_update_interval = 1 2026-04-25 09:37:56 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-04-25 09:37:56 INFO ::casa iplog = False 2026-04-25 09:37:56 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20260425-093751.log' 2026-04-25 09:37:56 INFO ::casa log2term = True 2026-04-25 09:37:56 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20260425-093751.log' 2026-04-25 09:37:56 INFO ::casa measures_auto_update = False 2026-04-25 09:37:56 INFO ::casa measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/'] 2026-04-25 09:37:56 INFO ::casa measures_site_interval = 2 2026-04-25 09:37:56 INFO ::casa measures_update_interval = 1 2026-04-25 09:37:56 INFO ::casa measurespath = '/opt/casa/data/master' 2026-04-25 09:37:56 INFO ::casa nogui = False 2026-04-25 09:37:56 INFO ::casa nologfile = False 2026-04-25 09:37:56 INFO ::casa nologger = True 2026-04-25 09:37:56 INFO ::casa pipeline = False 2026-04-25 09:37:56 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-04-25 09:37:56 INFO ::casa user_site = False 2026-04-25 09:37:56 INFO ::casa 2026-04-25 09:37:56 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-04-25 09:37:56 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2026-04-25 09:37:56 INFO ::casa 2026-04-25 09:37:56 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-04-25 09:37:56 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/04/23/12:59, 2026/03/23/00:00:00 2026-04-25 09:37:56 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/04/23/12:59, 2026/03/23/00:00:00 2026-04-25 09:37:56 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/04/24/15:15, 2026/07/23/00:00:00 2026-04-25 09:37:56 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2026/03/27/15:15, 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 6.7.4.3 -- Common Astronomy Software Applications [6.7.4.3] 2026-04-25 09:37:56 INFO statwt::::casa ########################################## 2026-04-25 09:37:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:37:56 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' ) 2026-04-25 09:37:56 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:37:56 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:37:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:37:56 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. 2026-04-25 09:37:56 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:37:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:37:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:37:57 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:37:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:37:57 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-04-25 09:37:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-04-25 09:37:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-04-25 09:37:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-04-25 09:37:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:37:57 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:37:55.939026 End time: 2026-04-25 09:37:56.759701 2026-04-25 09:37:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:37:57 INFO statwt::::casa ########################################## 2026-04-25 09:37:57 INFO statwt::::casa ########################################## 2026-04-25 09:37:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:37:57 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' ) 2026-04-25 09:37:57 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:37:57 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:37:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:37:57 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:37:57 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:37:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:37:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:37:57 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:37:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:37:57 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-04-25 09:37:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:37:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-04-25 09:37:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-04-25 09:37:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:37:58 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:37:56.943969 End time: 2026-04-25 09:37:57.737516 2026-04-25 09:37:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:37:58 INFO statwt::::casa ########################################## 2026-04-25 09:37:58 INFO statwt::::casa ########################################## 2026-04-25 09:37:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:37:58 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' ) 2026-04-25 09:37:58 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:37:58 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:37:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-04-25 09:37:58 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. 2026-04-25 09:37:58 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:37:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:37:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:37:59 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:37:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:37:59 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-04-25 09:37:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-04-25 09:37:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-04-25 09:37:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-04-25 09:37:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:37:59 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:37:57.976231 End time: 2026-04-25 09:37:58.765111 2026-04-25 09:37:59 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:37:59 INFO statwt::::casa ########################################## 2026-04-25 09:37:59 INFO statwt::::casa ########################################## 2026-04-25 09:37:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:37:59 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' ) 2026-04-25 09:37:59 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:37:59 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:37:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-04-25 09:37:59 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. 2026-04-25 09:37:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:37:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:37:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:37:59 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:37:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:37:59 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-04-25 09:37:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-04-25 09:37:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-04-25 09:37:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-04-25 09:37:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:00 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:37:58.917265 End time: 2026-04-25 09:37:59.623202 2026-04-25 09:38:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:00 INFO statwt::::casa ########################################## 2026-04-25 09:38:00 INFO statwt::::casa ########################################## 2026-04-25 09:38:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:00 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' ) 2026-04-25 09:38:00 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:00 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-04-25 09:38:00 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. 2026-04-25 09:38:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:00 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:00 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:00 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-04-25 09:38:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-04-25 09:38:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-04-25 09:38:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:01 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:37:59.862424 End time: 2026-04-25 09:38:00.593981 2026-04-25 09:38:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:01 INFO statwt::::casa ########################################## 2026-04-25 09:38:01 INFO statwt::::casa ########################################## 2026-04-25 09:38:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:01 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' ) 2026-04-25 09:38:01 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:01 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-04-25 09:38:01 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. 2026-04-25 09:38:01 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:01 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:01 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:01 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:01 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:01 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-04-25 09:38:01 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-04-25 09:38:01 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-04-25 09:38:01 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-04-25 09:38:01 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:01 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:00.792936 End time: 2026-04-25 09:38:01.479145 2026-04-25 09:38:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:01 INFO statwt::::casa ########################################## 2026-04-25 09:38:02 INFO name:: No table opened. 2026-04-25 09:38:02 INFO name:: No table opened. .2026-04-25 09:38:02 INFO statwt::::casa ########################################## 2026-04-25 09:38:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:02 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' ) 2026-04-25 09:38:02 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:02 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:02 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. 2026-04-25 09:38:02 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:03 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:03 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:03 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-04-25 09:38:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-04-25 09:38:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-04-25 09:38:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:03 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:01.627039 End time: 2026-04-25 09:38:03.011833 2026-04-25 09:38:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:03 INFO statwt::::casa ########################################## 2026-04-25 09:38:03 INFO statwt::::casa ########################################## 2026-04-25 09:38:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:03 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' ) 2026-04-25 09:38:03 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:03 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:03 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:38:03 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. 2026-04-25 09:38:03 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:04 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:04 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:04 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:04 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:04 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-04-25 09:38:04 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:04 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-04-25 09:38:04 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-04-25 09:38:04 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:05 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:03.066058 End time: 2026-04-25 09:38:04.599065 2026-04-25 09:38:05 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:05 INFO statwt::::casa ########################################## 2026-04-25 09:38:05 INFO statwt::::casa ########################################## 2026-04-25 09:38:05 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:05 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' ) 2026-04-25 09:38:05 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:05 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:05 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-04-25 09:38:05 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. 2026-04-25 09:38:05 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-04-25 09:38:05 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-04-25 09:38:05 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:06 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:06 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:06 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:06 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:06 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-04-25 09:38:06 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:06 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-04-25 09:38:06 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-04-25 09:38:06 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:06 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:04.703187 End time: 2026-04-25 09:38:06.425219 2026-04-25 09:38:06 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:06 INFO statwt::::casa ########################################## 2026-04-25 09:38:07 INFO statwt::::casa ########################################## 2026-04-25 09:38:07 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:07 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' ) 2026-04-25 09:38:07 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:07 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:07 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-04-25 09:38:07 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:07 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-04-25 09:38:07 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-04-25 09:38:07 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:08 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:08 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:08 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:08 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:08 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-04-25 09:38:08 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:08 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-04-25 09:38:08 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-04-25 09:38:08 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:08 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:06.549524 End time: 2026-04-25 09:38:07.967715 2026-04-25 09:38:08 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:08 INFO statwt::::casa ########################################## 2026-04-25 09:38:08 INFO statwt::::casa ########################################## 2026-04-25 09:38:08 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:08 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' ) 2026-04-25 09:38:08 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:08 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:08 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-04-25 09:38:08 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:08 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:09 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:09 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:09 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:09 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:09 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-04-25 09:38:09 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:09 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-04-25 09:38:09 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-04-25 09:38:09 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:09 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:08.021866 End time: 2026-04-25 09:38:09.029548 2026-04-25 09:38:09 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:09 INFO statwt::::casa ########################################## 2026-04-25 09:38:09 INFO statwt::::casa ########################################## 2026-04-25 09:38:09 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:09 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' ) 2026-04-25 09:38:09 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:09 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:09 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-04-25 09:38:09 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:09 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:10 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:10 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:10 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:10 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:10 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-04-25 09:38:10 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:10 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-04-25 09:38:10 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-04-25 09:38:10 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:10 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:09.083494 End time: 2026-04-25 09:38:10.115790 2026-04-25 09:38:10 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:10 INFO statwt::::casa ########################################## 2026-04-25 09:38:10 INFO statwt::::casa ########################################## 2026-04-25 09:38:10 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:10 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' ) 2026-04-25 09:38:10 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:10 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:10 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-04-25 09:38:10 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:10 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-04-25 09:38:10 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-04-25 09:38:11 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:11 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:11 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:11 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:11 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:11 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-04-25 09:38:11 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:11 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-04-25 09:38:11 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-04-25 09:38:11 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:11 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:10.232232 End time: 2026-04-25 09:38:11.284714 2026-04-25 09:38:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:11 INFO statwt::::casa ########################################## 2026-04-25 09:38:11 INFO name:: No table opened. 2026-04-25 09:38:11 INFO name:: No table opened. .2026-04-25 09:38:12 INFO statwt::::casa ########################################## 2026-04-25 09:38:12 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:12 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' ) 2026-04-25 09:38:12 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:12 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:12 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:12 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. 2026-04-25 09:38:12 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-04-25 09:38:12 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-04-25 09:38:12 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-04-25 09:38:14 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:14 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-04-25 09:38:14 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:14 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:14 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-04-25 09:38:14 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-04-25 09:38:14 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-04-25 09:38:14 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-04-25 09:38:14 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-04-25 09:38:14 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:14 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:11.625810 End time: 2026-04-25 09:38:14.053257 2026-04-25 09:38:14 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:14 INFO statwt::::casa ########################################## 2026-04-25 09:38:14 INFO statwt::::casa ########################################## 2026-04-25 09:38:14 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:14 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' ) 2026-04-25 09:38:14 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:14 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:15 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:15 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. 2026-04-25 09:38:15 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-04-25 09:38:15 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-04-25 09:38:15 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. 2026-04-25 09:38:15 SEVERE ms::statwt+ ... thrown by casac::record* casac::ms::statwt(const std::string&, const casac::variant&, bool, const casac::variant&, long int, const std::string&, double, const std::string&, bool, double, long int, const std::string&, bool, const std::vector >&, bool, const std::string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-04-25 09:38:15 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. 2026-04-25 09:38:15 SEVERE statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const std::string&, const casac::variant&, bool, const casac::variant&, long int, const std::string&, double, const std::string&, bool, double, long int, const std::string&, bool, const std::vector >&, bool, const std::string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-04-25 09:38:15 INFO statwt::::casa Traceback (most recent call last): 2026-04-25 09:38:15 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-04-25 09:38:15 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'] ) 2026-04-25 09:38:15 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-25 09:38:15 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-04-25 09:38:15 INFO statwt::::casa+ rval = myms.statwt( 2026-04-25 09:38:15 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-04-25 09:38:15 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-04-25 09:38:15 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-04-25 09:38:15 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-25 09:38:15 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2646, in statwt 2026-04-25 09:38:15 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-04-25 09:38:15 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-25 09:38:15 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. 2026-04-25 09:38:15 INFO statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const std::string&, const casac::variant&, bool, const casac::variant&, long int, const std::string&, double, const std::string&, bool, double, long int, const std::string&, bool, const std::vector >&, bool, const std::string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-04-25 09:38:15 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:14.495791 End time: 2026-04-25 09:38:15.320509 2026-04-25 09:38:15 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:15 INFO statwt::::casa ########################################## 2026-04-25 09:38:15 INFO statwt::::casa ########################################## 2026-04-25 09:38:15 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:15 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' ) 2026-04-25 09:38:15 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:15 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:15 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:38:16 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. 2026-04-25 09:38:16 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-04-25 09:38:16 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:16 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-04-25 09:38:16 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:16 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:16 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-04-25 09:38:16 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-04-25 09:38:16 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-04-25 09:38:16 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-04-25 09:38:16 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:17 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:15.324528 End time: 2026-04-25 09:38:16.595172 2026-04-25 09:38:17 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:17 INFO statwt::::casa ########################################## 2026-04-25 09:38:17 INFO name:: No table opened. 2026-04-25 09:38:17 INFO name:: No table opened. .2026-04-25 09:38:17 INFO statwt::::casa ########################################## 2026-04-25 09:38:17 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:17 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' ) 2026-04-25 09:38:17 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:17 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:17 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:17 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. 2026-04-25 09:38:17 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-04-25 09:38:17 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:17 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:17 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:17 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:17 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-04-25 09:38:17 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:17 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-04-25 09:38:17 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-04-25 09:38:17 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:18 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:16.760230 End time: 2026-04-25 09:38:17.502886 2026-04-25 09:38:18 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:18 INFO statwt::::casa ########################################## 2026-04-25 09:38:18 INFO name:: No table opened. 2026-04-25 09:38:18 INFO name:: No table opened. .2026-04-25 09:38:18 INFO statwt::::casa ########################################## 2026-04-25 09:38:18 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:18 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' ) 2026-04-25 09:38:18 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:18 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:18 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:18 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. 2026-04-25 09:38:18 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:18 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:18 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:18 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:18 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:18 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-04-25 09:38:18 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:18 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-04-25 09:38:18 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-04-25 09:38:18 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:18 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:17.669273 End time: 2026-04-25 09:38:18.319318 2026-04-25 09:38:18 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:18 INFO statwt::::casa ########################################## 2026-04-25 09:38:18 INFO statwt::::casa ########################################## 2026-04-25 09:38:18 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:18 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' ) 2026-04-25 09:38:18 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:18 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:19 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:38:19 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:19 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:19 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:19 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:19 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:19 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:19 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-04-25 09:38:19 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:19 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-04-25 09:38:19 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-04-25 09:38:19 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:19 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:18.494173 End time: 2026-04-25 09:38:19.146822 2026-04-25 09:38:19 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:19 INFO statwt::::casa ########################################## 2026-04-25 09:38:19 INFO name:: No table opened. 2026-04-25 09:38:19 INFO name:: No table opened. .2026-04-25 09:38:19 INFO statwt::::casa ########################################## 2026-04-25 09:38:19 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:19 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' ) 2026-04-25 09:38:19 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:19 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:19 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:20 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. 2026-04-25 09:38:20 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:20 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:20 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-04-25 09:38:20 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:20 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:20 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-04-25 09:38:20 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:20 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-04-25 09:38:20 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-04-25 09:38:20 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:20 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:19.290153 End time: 2026-04-25 09:38:20.475868 2026-04-25 09:38:20 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:20 INFO statwt::::casa ########################################## 2026-04-25 09:38:21 INFO statwt::::casa ########################################## 2026-04-25 09:38:21 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:21 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' ) 2026-04-25 09:38:21 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:21 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:21 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:38:21 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. 2026-04-25 09:38:21 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:21 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:21 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-04-25 09:38:21 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:21 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:21 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-04-25 09:38:21 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:21 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-04-25 09:38:21 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-04-25 09:38:21 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:21 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:20.806621 End time: 2026-04-25 09:38:21.437803 2026-04-25 09:38:21 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:21 INFO statwt::::casa ########################################## 2026-04-25 09:38:22 INFO name:: No table opened. 2026-04-25 09:38:22 INFO name:: No table opened. .2026-04-25 09:38:22 INFO statwt::::casa ########################################## 2026-04-25 09:38:22 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:22 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' ) 2026-04-25 09:38:22 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:22 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:22 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:22 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. 2026-04-25 09:38:22 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:22 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:22 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:22 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:22 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:22 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-04-25 09:38:22 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:22 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-04-25 09:38:22 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-04-25 09:38:22 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:22 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:21.584692 End time: 2026-04-25 09:38:22.377267 2026-04-25 09:38:22 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:22 INFO statwt::::casa ########################################## 2026-04-25 09:38:22 INFO statwt::::casa ########################################## 2026-04-25 09:38:22 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:22 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' ) 2026-04-25 09:38:22 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:22 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:22 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:38:23 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. 2026-04-25 09:38:23 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:23 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-04-25 09:38:23 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-04-25 09:38:23 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:23 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:23 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-04-25 09:38:23 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:23 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-04-25 09:38:23 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-04-25 09:38:23 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:23 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:22.460561 End time: 2026-04-25 09:38:23.317554 2026-04-25 09:38:23 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:23 INFO statwt::::casa ########################################## 2026-04-25 09:38:23 INFO name:: No table opened. 2026-04-25 09:38:23 INFO name:: No table opened. .2026-04-25 09:38:23 INFO statwt::::casa ########################################## 2026-04-25 09:38:23 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:23 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' ) 2026-04-25 09:38:23 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:23 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:24 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:24 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. 2026-04-25 09:38:24 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-04-25 09:38:24 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:24 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-04-25 09:38:24 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:24 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:24 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-04-25 09:38:24 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-04-25 09:38:24 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-04-25 09:38:24 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-04-25 09:38:24 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-04-25 09:38:24 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:24 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:23.492187 End time: 2026-04-25 09:38:24.259327 2026-04-25 09:38:24 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:24 INFO statwt::::casa ########################################## 2026-04-25 09:38:25 INFO statwt::::casa ########################################## 2026-04-25 09:38:25 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:25 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' ) 2026-04-25 09:38:25 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:25 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:25 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:25 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. 2026-04-25 09:38:25 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-04-25 09:38:25 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:25 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-04-25 09:38:25 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:25 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:25 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-04-25 09:38:25 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-04-25 09:38:25 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-04-25 09:38:25 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-04-25 09:38:25 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-04-25 09:38:25 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:25 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:24.500083 End time: 2026-04-25 09:38:25.375061 2026-04-25 09:38:25 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:25 INFO statwt::::casa ########################################## 2026-04-25 09:38:25 INFO name:: No table opened. 2026-04-25 09:38:25 INFO name:: No table opened. .2026-04-25 09:38:25 INFO statwt::::casa ########################################## 2026-04-25 09:38:25 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:25 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' ) 2026-04-25 09:38:25 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:26 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:26 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:26 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. 2026-04-25 09:38:26 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:26 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:26 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:26 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:26 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:26 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-04-25 09:38:26 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:26 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-04-25 09:38:26 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-04-25 09:38:26 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:26 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:25.499727 End time: 2026-04-25 09:38:26.161745 2026-04-25 09:38:26 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:26 INFO statwt::::casa ########################################## 2026-04-25 09:38:26 INFO name:: No table opened. 2026-04-25 09:38:26 INFO name:: No table opened. .2026-04-25 09:38:26 INFO statwt::::casa ########################################## 2026-04-25 09:38:26 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:26 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' ) 2026-04-25 09:38:26 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:26 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:26 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:27 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:27 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:27 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:27 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:27 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:27 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:27 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-04-25 09:38:27 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:27 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-04-25 09:38:27 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-04-25 09:38:27 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:27 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:26.329742 End time: 2026-04-25 09:38:27.106174 2026-04-25 09:38:27 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:27 INFO statwt::::casa ########################################## 2026-04-25 09:38:27 INFO statwt::::casa ########################################## 2026-04-25 09:38:27 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:27 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' ) 2026-04-25 09:38:27 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:27 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:27 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:38:28 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. 2026-04-25 09:38:28 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:28 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:28 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:28 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:28 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:28 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-04-25 09:38:28 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:28 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-04-25 09:38:28 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-04-25 09:38:28 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:28 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:27.267021 End time: 2026-04-25 09:38:27.976260 2026-04-25 09:38:28 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:28 INFO statwt::::casa ########################################## 2026-04-25 09:38:28 INFO name:: No table opened. 2026-04-25 09:38:28 INFO name:: No table opened. .2026-04-25 09:38:28 INFO statwt::::casa ########################################## 2026-04-25 09:38:28 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:28 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' ) 2026-04-25 09:38:28 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-04-25 09:38:28 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:28 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-04-25 09:38:28 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-04-25 09:38:28 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-04-25 09:38:28 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:28 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:28 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-04-25 09:38:28 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:28 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-04-25 09:38:28 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-04-25 09:38:28 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:28 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:28.145103 End time: 2026-04-25 09:38:28.312758 2026-04-25 09:38:28 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:28 INFO statwt::::casa ########################################## 2026-04-25 09:38:28 INFO name:: No table opened. 2026-04-25 09:38:28 INFO name:: No table opened. .2026-04-25 09:38:28 INFO statwt::::casa ########################################## 2026-04-25 09:38:28 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:28 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' ) 2026-04-25 09:38:28 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:28 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:28 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:29 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. 2026-04-25 09:38:29 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-04-25 09:38:29 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:29 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:29 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:29 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:29 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-04-25 09:38:29 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:29 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-04-25 09:38:29 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-04-25 09:38:29 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:29 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:28.390441 End time: 2026-04-25 09:38:29.192082 2026-04-25 09:38:29 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:29 INFO statwt::::casa ########################################## 2026-04-25 09:38:29 INFO name:: No table opened. 2026-04-25 09:38:29 INFO name:: No table opened. .2026-04-25 09:38:29 INFO statwt::::casa ########################################## 2026-04-25 09:38:29 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:29 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' ) 2026-04-25 09:38:29 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:29 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:29 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:30 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. 2026-04-25 09:38:30 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-04-25 09:38:30 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:30 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:30 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:30 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:30 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-04-25 09:38:30 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:30 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-04-25 09:38:30 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-04-25 09:38:30 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:30 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:29.359410 End time: 2026-04-25 09:38:30.208983 2026-04-25 09:38:30 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:30 INFO statwt::::casa ########################################## 2026-04-25 09:38:30 INFO name:: No table opened. 2026-04-25 09:38:30 INFO name:: No table opened. .2026-04-25 09:38:30 INFO statwt::::casa ########################################## 2026-04-25 09:38:30 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:30 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' ) 2026-04-25 09:38:30 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:30 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:30 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:31 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. 2026-04-25 09:38:31 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-04-25 09:38:31 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:31 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:31 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:31 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:31 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-04-25 09:38:31 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:31 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-04-25 09:38:31 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-04-25 09:38:31 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:31 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:30.474898 End time: 2026-04-25 09:38:31.286999 2026-04-25 09:38:31 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:31 INFO statwt::::casa ########################################## 2026-04-25 09:38:31 INFO name:: No table opened. 2026-04-25 09:38:31 INFO name:: No table opened. .2026-04-25 09:38:32 INFO statwt::::casa ########################################## 2026-04-25 09:38:32 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:32 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' ) 2026-04-25 09:38:32 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:32 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:32 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:32 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:32 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-04-25 09:38:32 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:32 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:32 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:32 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:32 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-04-25 09:38:32 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:32 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-04-25 09:38:32 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-04-25 09:38:32 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:32 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:31.568721 End time: 2026-04-25 09:38:32.269491 2026-04-25 09:38:32 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:32 INFO statwt::::casa ########################################## 2026-04-25 09:38:32 INFO name:: No table opened. 2026-04-25 09:38:32 INFO name:: No table opened. .2026-04-25 09:38:32 INFO statwt::::casa ########################################## 2026-04-25 09:38:32 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:32 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' ) 2026-04-25 09:38:32 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:32 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:32 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:33 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. 2026-04-25 09:38:33 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:33 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:33 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:33 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:33 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:33 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-04-25 09:38:33 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:33 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-04-25 09:38:33 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-04-25 09:38:33 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:33 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:32.445768 End time: 2026-04-25 09:38:33.352398 2026-04-25 09:38:33 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:33 INFO statwt::::casa ########################################## 2026-04-25 09:38:33 INFO name:: No table opened. 2026-04-25 09:38:33 INFO name:: No table opened. .2026-04-25 09:38:33 INFO statwt::::casa ########################################## 2026-04-25 09:38:33 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:33 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' ) 2026-04-25 09:38:33 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:33 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:33 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:34 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. 2026-04-25 09:38:34 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:34 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:34 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-04-25 09:38:34 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:34 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:34 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-04-25 09:38:34 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:34 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-04-25 09:38:34 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-04-25 09:38:34 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:34 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:33.434395 End time: 2026-04-25 09:38:33.913953 2026-04-25 09:38:34 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:34 INFO statwt::::casa ########################################## 2026-04-25 09:38:34 INFO name:: No table opened. 2026-04-25 09:38:34 INFO name:: No table opened. .2026-04-25 09:38:34 INFO statwt::::casa ########################################## 2026-04-25 09:38:34 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:34 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' ) 2026-04-25 09:38:34 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:34 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:34 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:35 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:35 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:35 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:35 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:35 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:35 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:35 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-04-25 09:38:35 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:35 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-04-25 09:38:35 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-04-25 09:38:35 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:35 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:34.296197 End time: 2026-04-25 09:38:35.245787 2026-04-25 09:38:35 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:35 INFO statwt::::casa ########################################## 2026-04-25 09:38:35 INFO name:: No table opened. 2026-04-25 09:38:35 INFO name:: No table opened. .2026-04-25 09:38:35 INFO statwt::::casa ########################################## 2026-04-25 09:38:35 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:35 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' ) 2026-04-25 09:38:35 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:35 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:35 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:38:36 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:36 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:36 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:36 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:36 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:36 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:36 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-04-25 09:38:36 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:36 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-04-25 09:38:36 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-04-25 09:38:36 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:36 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:35.418890 End time: 2026-04-25 09:38:36.240625 2026-04-25 09:38:36 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:36 INFO statwt::::casa ########################################## 2026-04-25 09:38:36 INFO statwt::::casa ########################################## 2026-04-25 09:38:36 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:36 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' ) 2026-04-25 09:38:36 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:36 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:36 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-04-25 09:38:37 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:37 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:37 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:37 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:37 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:37 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:37 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-04-25 09:38:37 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:37 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-04-25 09:38:37 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-04-25 09:38:37 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:37 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:36.422687 End time: 2026-04-25 09:38:37.240120 2026-04-25 09:38:37 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:37 INFO statwt::::casa ########################################## 2026-04-25 09:38:37 INFO name:: No table opened. 2026-04-25 09:38:37 INFO name:: No table opened. .2026-04-25 09:38:37 INFO statwt::::casa ########################################## 2026-04-25 09:38:37 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:37 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' ) 2026-04-25 09:38:37 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:37 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:37 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:38 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:38 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:38 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:38 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:38 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:38 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:38 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-04-25 09:38:38 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:38 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-04-25 09:38:38 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-04-25 09:38:38 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:38 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:37.436922 End time: 2026-04-25 09:38:38.076054 2026-04-25 09:38:38 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:38 INFO statwt::::casa ########################################## 2026-04-25 09:38:38 INFO name:: No table opened. 2026-04-25 09:38:38 INFO name:: No table opened. .2026-04-25 09:38:38 INFO statwt::::casa ########################################## 2026-04-25 09:38:38 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:38 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' ) 2026-04-25 09:38:38 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:38 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:38 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:38 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:38 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:39 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:39 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:39 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:39 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:39 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-04-25 09:38:39 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:39 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-04-25 09:38:39 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-04-25 09:38:39 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:39 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:38.226487 End time: 2026-04-25 09:38:39.012518 2026-04-25 09:38:39 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:39 INFO statwt::::casa ########################################## 2026-04-25 09:38:39 INFO statwt::::casa ########################################## 2026-04-25 09:38:39 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:39 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' ) 2026-04-25 09:38:39 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:39 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:39 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:38:39 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:39 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:40 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:40 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:40 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:40 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:40 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-04-25 09:38:40 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:40 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-04-25 09:38:40 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-04-25 09:38:40 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:40 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:39.073080 End time: 2026-04-25 09:38:40.165963 2026-04-25 09:38:40 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:40 INFO statwt::::casa ########################################## 2026-04-25 09:38:40 INFO statwt::::casa ########################################## 2026-04-25 09:38:40 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:40 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' ) 2026-04-25 09:38:40 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:40 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:40 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-04-25 09:38:41 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:41 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:41 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:41 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:41 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:41 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:41 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-04-25 09:38:41 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:41 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-04-25 09:38:41 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-04-25 09:38:41 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:41 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:40.221174 End time: 2026-04-25 09:38:41.144076 2026-04-25 09:38:41 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:41 INFO statwt::::casa ########################################## 2026-04-25 09:38:41 INFO statwt::::casa ########################################## 2026-04-25 09:38:41 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:41 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' ) 2026-04-25 09:38:41 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:41 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:41 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-04-25 09:38:41 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-04-25 09:38:41 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:42 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:42 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:42 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:42 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:42 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-04-25 09:38:42 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:42 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-04-25 09:38:42 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-04-25 09:38:42 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:42 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:41.198771 End time: 2026-04-25 09:38:42.085182 2026-04-25 09:38:42 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:42 INFO statwt::::casa ########################################## 2026-04-25 09:38:42 INFO statwt::::casa ########################################## 2026-04-25 09:38:42 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:42 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' ) 2026-04-25 09:38:42 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:42 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:42 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-04-25 09:38:42 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. 2026-04-25 09:38:42 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-04-25 09:38:42 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 2026-04-25 09:38:42 INFO statwt::::casa Traceback (most recent call last): 2026-04-25 09:38:42 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-04-25 09:38:42 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'] ) 2026-04-25 09:38:42 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-25 09:38:42 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-04-25 09:38:42 INFO statwt::::casa+ rval = myms.statwt( 2026-04-25 09:38:42 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-04-25 09:38:42 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-04-25 09:38:42 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-04-25 09:38:42 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-25 09:38:42 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.4-3-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2646, in statwt 2026-04-25 09:38:42 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-04-25 09:38:42 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-25 09:38:42 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-04-25 09:38:42 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:42.137094 End time: 2026-04-25 09:38:42.394125 2026-04-25 09:38:42 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:42 INFO statwt::::casa ########################################## 2026-04-25 09:38:42 INFO name:: No table opened. 2026-04-25 09:38:42 INFO name:: No table opened. .2026-04-25 09:38:42 INFO statwt::::casa ########################################## 2026-04-25 09:38:42 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:42 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' ) 2026-04-25 09:38:42 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:42 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:42 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:43 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. 2026-04-25 09:38:43 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:43 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:43 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:43 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:43 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:43 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-04-25 09:38:43 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:43 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-04-25 09:38:43 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-04-25 09:38:43 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:43 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:42.442737 End time: 2026-04-25 09:38:43.077894 2026-04-25 09:38:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:43 INFO statwt::::casa ########################################## 2026-04-25 09:38:43 INFO statwt::::casa ########################################## 2026-04-25 09:38:43 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:43 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' ) 2026-04-25 09:38:43 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:43 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:43 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:38:44 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. 2026-04-25 09:38:44 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:44 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-04-25 09:38:44 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-04-25 09:38:44 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:44 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:44 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-04-25 09:38:44 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:44 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-04-25 09:38:44 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-04-25 09:38:44 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:44 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:43.256961 End time: 2026-04-25 09:38:43.956577 2026-04-25 09:38:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:44 INFO statwt::::casa ########################################## 2026-04-25 09:38:44 INFO name:: No table opened. 2026-04-25 09:38:44 INFO name:: No table opened. .2026-04-25 09:38:44 INFO statwt::::casa ########################################## 2026-04-25 09:38:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:44 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' ) 2026-04-25 09:38:44 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:44 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-04-25 09:38:44 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. 2026-04-25 09:38:44 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:45 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-04-25 09:38:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-04-25 09:38:45 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:45 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-04-25 09:38:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-04-25 09:38:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-04-25 09:38:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:45 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:44.138169 End time: 2026-04-25 09:38:45.188825 2026-04-25 09:38:45 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:45 INFO statwt::::casa ########################################## 2026-04-25 09:38:45 INFO statwt::::casa ########################################## 2026-04-25 09:38:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-04-25 09:38:45 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' ) 2026-04-25 09:38:45 INFO statwt::::casa Backup original flags before applying new flags 2026-04-25 09:38:45 INFO AgentFlagger::open Table type is Measurement Set 2026-04-25 09:38:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-04-25 09:38:46 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. 2026-04-25 09:38:46 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-04-25 09:38:46 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-04-25 09:38:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-04-25 09:38:46 INFO StatWtTVI::summarizeFlagging 2026-04-25 09:38:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-04-25 09:38:46 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-04-25 09:38:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-04-25 09:38:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-04-25 09:38:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-04-25 09:38:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-04-25 09:38:46 INFO statwt::::casa Task statwt complete. Start time: 2026-04-25 09:38:45.392255 End time: 2026-04-25 09:38:46.041787 2026-04-25 09:38:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-04-25 09:38:46 INFO statwt::::casa ########################################## 2026-04-25 09:38:46 INFO name:: No table opened. 2026-04-25 09:38:46 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 50.356s OK Generating XML reports...