2026-06-13 07:26:23 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2026-06-13 07:26:23 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.6-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2026-06-13 07:26:23 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2026-06-13 07:26:23 INFO ::casa 2026-06-13 07:26:23 INFO ::casa config values 2026-06-13 07:26:23 INFO ::casa agg = False 2026-06-13 07:26:23 INFO ::casa cachedir = '/home/casatest/.casa' 2026-06-13 07:26:23 INFO ::casa casaconfig_verbose = 1 2026-06-13 07:26:23 INFO ::casa colors = 'Neutral' 2026-06-13 07:26:23 INFO ::casa data_auto_update = False 2026-06-13 07:26:23 INFO ::casa data_update_interval = 1 2026-06-13 07:26:23 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2026-06-13 07:26:23 INFO ::casa iplog = False 2026-06-13 07:26:23 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/ipython-20260613-072618.log' 2026-06-13 07:26:23 INFO ::casa log2term = True 2026-06-13 07:26:23 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_statwt_casashell/casa-20260613-072618.log' 2026-06-13 07:26:23 INFO ::casa measures_auto_update = False 2026-06-13 07:26:23 INFO ::casa measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/'] 2026-06-13 07:26:23 INFO ::casa measures_site_interval = 2 2026-06-13 07:26:23 INFO ::casa measures_update_interval = 1 2026-06-13 07:26:23 INFO ::casa measurespath = '/opt/casa/data/master' 2026-06-13 07:26:23 INFO ::casa nogui = False 2026-06-13 07:26:23 INFO ::casa nologfile = False 2026-06-13 07:26:23 INFO ::casa nologger = True 2026-06-13 07:26:23 INFO ::casa pipeline = False 2026-06-13 07:26:23 INFO ::casa skipnetworkcheck = False 2026-06-13 07:26:23 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2026-06-13 07:26:23 INFO ::casa user_site = False 2026-06-13 07:26:23 INFO ::casa 2026-06-13 07:26:23 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2026-06-13 07:26:23 INFO ::casa measures version : WSRT_Measures_20211217-160001.ztar 2026-06-13 07:26:23 INFO ::casa 2026-06-13 07:26:23 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2026-06-13 07:26:23 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2026/05/28/15:15, 2026/04/28/00:00:00 2026-06-13 07:26:23 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2026/05/28/15:15, 2026/04/28/00:00:00 2026-06-13 07:26:23 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2026/06/12/15:15, 2026/09/10/00:00:00 2026-06-13 07:26:23 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2026/05/30/15:15, 2017/01/01/00:00:00 Running tests... ---------------------------------------------------------------------- Using user configuration file /home/casatest/.casa/config.py No event loop hook running. Using matplotlib backend: agg CASA 6.7.6.8 -- Common Astronomy Software Applications [6.7.6.8] 2026-06-13 07:26:23 INFO statwt::::casa ########################################## 2026-06-13 07:26:23 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:23 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:0~9;21~62', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:23 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:23 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:24 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:24 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:24 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:24 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:24 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:24 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:24 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:24 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-06-13 07:26:24 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-06-13 07:26:24 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-06-13 07:26:24 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-06-13 07:26:24 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:24 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:23.493318 End time: 2026-06-13 07:26:24.228574 2026-06-13 07:26:24 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:24 INFO statwt::::casa ########################################## 2026-06-13 07:26:25 INFO statwt::::casa ########################################## 2026-06-13 07:26:25 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:25 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:25 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:25 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:25 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:26:25 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:25 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:25 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:25 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:25 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:25 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:25 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-06-13 07:26:25 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:25 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-06-13 07:26:25 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-06-13 07:26:25 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:25 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:24.590554 End time: 2026-06-13 07:26:25.238513 2026-06-13 07:26:25 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:25 INFO statwt::::casa ########################################## 2026-06-13 07:26:26 INFO statwt::::casa ########################################## 2026-06-13 07:26:26 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:26 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:10~20', excludechans=True, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:26 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:26 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:26 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-06-13 07:26:26 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:26 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:26 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:26 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:26 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:26 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:26 INFO StatWtTVI::summarizeFlagging 0 5399 3913 2026-06-13 07:26:26 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-06-13 07:26:26 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.25577 2026-06-13 07:26:26 INFO StatWtTVI::summarizeStats The variance of the computed weights is 5.88042 2026-06-13 07:26:26 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:26 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:25.560323 End time: 2026-06-13 07:26:26.164959 2026-06-13 07:26:26 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:26 INFO statwt::::casa ########################################## 2026-06-13 07:26:26 INFO statwt::::casa ########################################## 2026-06-13 07:26:26 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:26 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:0~9;21~62', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:26 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:26 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:26 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-06-13 07:26:27 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:27 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:27 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:27 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:27 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:27 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:27 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-06-13 07:26:27 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-06-13 07:26:27 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-06-13 07:26:27 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-06-13 07:26:27 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:27 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:26.348145 End time: 2026-06-13 07:26:27.177877 2026-06-13 07:26:27 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:27 INFO statwt::::casa ########################################## 2026-06-13 07:26:28 INFO statwt::::casa ########################################## 2026-06-13 07:26:28 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:28 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:28 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:28 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:28 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-06-13 07:26:28 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:28 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:28 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:28 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:28 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:28 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:28 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-06-13 07:26:28 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:28 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-06-13 07:26:28 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-06-13 07:26:28 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:28 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:27.526462 End time: 2026-06-13 07:26:28.055866 2026-06-13 07:26:28 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:28 INFO statwt::::casa ########################################## 2026-06-13 07:26:28 INFO statwt::::casa ########################################## 2026-06-13 07:26:28 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:28 INFO statwt::::casa statwt( vis='ngc5921.split.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='0:10~20', excludechans=True, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:28 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:28 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:28 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-06-13 07:26:29 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:29 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:29 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:29 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:29 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:29 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:29 INFO StatWtTVI::summarizeFlagging 0 2700 1831 2026-06-13 07:26:29 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~9, 21~62 2026-06-13 07:26:29 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.60577 2026-06-13 07:26:29 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.70016 2026-06-13 07:26:29 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:29 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:28.374185 End time: 2026-06-13 07:26:28.878713 2026-06-13 07:26:29 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:29 INFO statwt::::casa ########################################## 2026-06-13 07:26:29 INFO name:: No table opened. 2026-06-13 07:26:29 INFO name:: No table opened. .2026-06-13 07:26:29 INFO statwt::::casa ########################################## 2026-06-13 07:26:29 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:29 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:29 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:29 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:29 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:29 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:29 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:30 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:30 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:30 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:30 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:30 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-06-13 07:26:30 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:30 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-06-13 07:26:30 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-06-13 07:26:30 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:30 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:29.032990 End time: 2026-06-13 07:26:30.469459 2026-06-13 07:26:30 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:30 INFO statwt::::casa ########################################## 2026-06-13 07:26:31 INFO statwt::::casa ########################################## 2026-06-13 07:26:31 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:31 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:31 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:31 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:31 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:26:31 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:31 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:32 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:32 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:32 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:32 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:32 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-06-13 07:26:32 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:32 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-06-13 07:26:32 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-06-13 07:26:32 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:32 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:30.536525 End time: 2026-06-13 07:26:31.851151 2026-06-13 07:26:32 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:32 INFO statwt::::casa ########################################## 2026-06-13 07:26:32 INFO statwt::::casa ########################################## 2026-06-13 07:26:32 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:32 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:32 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:32 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:32 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-06-13 07:26:32 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:32 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-06-13 07:26:32 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-06-13 07:26:32 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:33 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:33 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:33 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:33 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:33 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-06-13 07:26:33 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:33 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-06-13 07:26:33 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-06-13 07:26:33 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:33 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:31.954070 End time: 2026-06-13 07:26:33.328761 2026-06-13 07:26:33 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:33 INFO statwt::::casa ########################################## 2026-06-13 07:26:33 INFO statwt::::casa ########################################## 2026-06-13 07:26:33 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:33 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:33 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:33 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:33 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-06-13 07:26:34 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:34 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-06-13 07:26:34 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-06-13 07:26:34 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:35 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:35 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:35 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:35 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:35 INFO StatWtTVI::summarizeFlagging 0 43192 28331 2026-06-13 07:26:35 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:35 INFO StatWtTVI::summarizeStats The mean of the computed weights is 16.7062 2026-06-13 07:26:35 INFO StatWtTVI::summarizeStats The variance of the computed weights is 170.875 2026-06-13 07:26:35 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:35 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:33.426743 End time: 2026-06-13 07:26:34.955615 2026-06-13 07:26:35 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:35 INFO statwt::::casa ########################################## 2026-06-13 07:26:35 INFO statwt::::casa ########################################## 2026-06-13 07:26:35 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:35 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='195.312kHz', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:35 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:35 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:35 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-06-13 07:26:35 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. 2026-06-13 07:26:35 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:36 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:36 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:36 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:36 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:36 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-06-13 07:26:36 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:36 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-06-13 07:26:36 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-06-13 07:26:36 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:36 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:35.035987 End time: 2026-06-13 07:26:35.899182 2026-06-13 07:26:36 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:36 INFO statwt::::casa ########################################## 2026-06-13 07:26:36 INFO statwt::::casa ########################################## 2026-06-13 07:26:36 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:36 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:36 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:36 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:36 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_6 2026-06-13 07:26:36 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:36 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:37 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:37 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:37 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:37 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:37 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-06-13 07:26:37 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:37 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-06-13 07:26:37 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-06-13 07:26:37 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:37 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:35.949993 End time: 2026-06-13 07:26:36.909394 2026-06-13 07:26:37 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:37 INFO statwt::::casa ########################################## 2026-06-13 07:26:37 INFO statwt::::casa ########################################## 2026-06-13 07:26:37 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:37 INFO statwt::::casa statwt( vis='ngc5921.split.chanbin_0.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin=8, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:37 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:37 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:37 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_7 2026-06-13 07:26:37 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:37 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-06-13 07:26:37 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-06-13 07:26:37 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:38 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:38 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:38 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:38 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:38 INFO StatWtTVI::summarizeFlagging 0 21600 11131 2026-06-13 07:26:38 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:38 INFO StatWtTVI::summarizeStats The mean of the computed weights is 14.0517 2026-06-13 07:26:38 INFO StatWtTVI::summarizeStats The variance of the computed weights is 92.3814 2026-06-13 07:26:38 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:38 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:37.013766 End time: 2026-06-13 07:26:37.962790 2026-06-13 07:26:38 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:38 INFO statwt::::casa ########################################## 2026-06-13 07:26:38 INFO name:: No table opened. 2026-06-13 07:26:38 INFO name:: No table opened. .2026-06-13 07:26:40 INFO statwt::::casa ########################################## 2026-06-13 07:26:40 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:40 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-06-13 07:26:40 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:40 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:40 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:40 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-06-13 07:26:40 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-06-13 07:26:40 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-06-13 07:26:41 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-13 07:26:42 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:42 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-06-13 07:26:42 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:42 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:42 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-06-13 07:26:42 INFO StatWtTVI::summarizeFlagging 1 288 18 2026-06-13 07:26:42 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-06-13 07:26:42 INFO StatWtTVI::summarizeStats The mean of the computed weights is 34.8553 2026-06-13 07:26:42 INFO StatWtTVI::summarizeStats The variance of the computed weights is 104.361 2026-06-13 07:26:42 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:43 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:40.250832 End time: 2026-06-13 07:26:42.504023 2026-06-13 07:26:43 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:43 INFO statwt::::casa ########################################## 2026-06-13 07:26:43 INFO statwt::::casa ########################################## 2026-06-13 07:26:43 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:43 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_0.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-06-13 07:26:43 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:43 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:43 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:43 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-06-13 07:26:43 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing WEIGHT_SPECTRUM column 2026-06-13 07:26:43 INFO StatWtColConfig::_initSpecColsIfNecessary Fully initializing SIGMA_SPECTRUM column 2026-06-13 07:26:44 SEVERE ms::statwt Exception Reported: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-06-13 07:26:44 SEVERE ms::statwt+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-06-13 07:26:44 SEVERE statwt::::casa Exception Reported: Error in statwt: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-06-13 07:26:44 SEVERE statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-06-13 07:26:44 INFO statwt::::casa Traceback (most recent call last): 2026-06-13 07:26:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-06-13 07:26:44 INFO statwt::::casa+ task_result = _statwt_t( _pc.document['vis'],_pc.document['selectdata'],_pc.document['field'],_pc.document['spw'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['scan'],_pc.document['combine'],_pc.document['timebin'],_pc.document['slidetimebin'],_pc.document['chanbin'],_pc.document['minsamp'],_pc.document['statalg'],_pc.document['fence'],_pc.document['center'],_pc.document['lside'],_pc.document['zscore'],_pc.document['maxiter'],_pc.document['fitspw'],_pc.document['excludechans'],_pc.document['wtrange'],_pc.document['flagbackup'],_pc.document['preview'],_pc.document['datacolumn'] ) 2026-06-13 07:26:44 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-13 07:26:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-06-13 07:26:44 INFO statwt::::casa+ rval = myms.statwt( 2026-06-13 07:26:44 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-06-13 07:26:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-06-13 07:26:44 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-06-13 07:26:44 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-13 07:26:44 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-06-13 07:26:44 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-06-13 07:26:44 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-13 07:26:44 INFO statwt::::casa+ RuntimeError: Exception: The WEIGHT_SPECTRUM and/or SIGMA_SPECTRUM columnS did not exist in this MS but it/they has now been created and initialized. However, due to a known issue in the code, statwt cannot correctly construct and write back these columns for the subset of the MS specified by data selection. A work-around is to simply re-run statwt again (on the MS that now contains a properly initialized columns), specifying the same selection criteria. If you are using the tool method, first close the ms tool, then reopen it using the same data set, apply the same selection, and then run ms.statwt(). If you are using the task, simply rerunning it with the same inputs should be sufficient. 2026-06-13 07:26:44 INFO statwt::::casa+ ... thrown by casac::record* casac::ms::statwt(const string&, const casac::variant&, bool, const casac::variant&, long int, const string&, double, const string&, bool, double, long int, const string&, bool, const std::vector >&, bool, const string&) at File: src/tools/ms/ms_cmpt.cc, line: 7328 2026-06-13 07:26:44 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:42.986111 End time: 2026-06-13 07:26:43.736589 2026-06-13 07:26:44 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:44 INFO statwt::::casa ########################################## 2026-06-13 07:26:44 INFO statwt::::casa ########################################## 2026-06-13 07:26:44 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:44 INFO statwt::::casa statwt( vis='statwt_test_vlass_spw_select_0.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='1yr', slidetimebin=False, chanbin=1, minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-06-13 07:26:44 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:44 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:44 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:26:44 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-06-13 07:26:44 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-13 07:26:45 INFO StatWtTVI::summarizeFlagging Originally, 15.3455% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:45 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 15.3455% 2026-06-13 07:26:45 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:45 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:45 INFO StatWtTVI::summarizeFlagging 0 356 4 2026-06-13 07:26:45 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15 2026-06-13 07:26:45 INFO StatWtTVI::summarizeStats The mean of the computed weights is 38.2032 2026-06-13 07:26:45 INFO StatWtTVI::summarizeStats The variance of the computed weights is 83.0845 2026-06-13 07:26:45 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:45 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:43.742928 End time: 2026-06-13 07:26:44.973489 2026-06-13 07:26:45 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:45 INFO statwt::::casa ########################################## 2026-06-13 07:26:45 INFO name:: No table opened. 2026-06-13 07:26:45 INFO name:: No table opened. .2026-06-13 07:26:45 INFO statwt::::casa ########################################## 2026-06-13 07:26:45 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:45 INFO statwt::::casa statwt( vis='ngc5921.split.data.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='data' ) 2026-06-13 07:26:45 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:45 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:45 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:45 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-06-13 07:26:45 INFO StatWtTVI::StatWtTVI Using DATA to compute weights 2026-06-13 07:26:46 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:46 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:46 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-06-13 07:26:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-06-13 07:26:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-06-13 07:26:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:46 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:45.174701 End time: 2026-06-13 07:26:45.606879 2026-06-13 07:26:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:46 INFO statwt::::casa ########################################## 2026-06-13 07:26:46 INFO name:: No table opened. 2026-06-13 07:26:46 INFO name:: No table opened. .2026-06-13 07:26:46 INFO statwt::::casa ########################################## 2026-06-13 07:26:46 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:46 INFO statwt::::casa statwt( vis='ngc5921.split.normalbounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:46 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:46 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:46 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:46 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. 2026-06-13 07:26:46 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:46 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:46 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:46 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:46 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:46 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-06-13 07:26:46 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:46 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-06-13 07:26:46 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-06-13 07:26:46 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:46 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:45.921078 End time: 2026-06-13 07:26:46.496520 2026-06-13 07:26:46 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:46 INFO statwt::::casa ########################################## 2026-06-13 07:26:47 INFO statwt::::casa ########################################## 2026-06-13 07:26:47 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:47 INFO statwt::::casa statwt( vis='ngc5921.split.normalbounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,field', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:47 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:47 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:47 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:26:47 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:47 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:47 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:47 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:47 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:47 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:47 INFO StatWtTVI::summarizeFlagging 0 315 124 2026-06-13 07:26:47 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:47 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46865 2026-06-13 07:26:47 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.933388 2026-06-13 07:26:47 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:47 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:46.837522 End time: 2026-06-13 07:26:47.465874 2026-06-13 07:26:47 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:47 INFO statwt::::casa ########################################## 2026-06-13 07:26:48 INFO name:: No table opened. 2026-06-13 07:26:48 INFO name:: No table opened. .2026-06-13 07:26:48 INFO statwt::::casa ########################################## 2026-06-13 07:26:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:48 INFO statwt::::casa statwt( vis='ngc5921.split.fieldsel.ms', selectdata=True, field='2', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:48 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:48 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:48 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:48 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:48 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:48 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-06-13 07:26:48 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:48 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:48 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-06-13 07:26:48 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:48 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-06-13 07:26:48 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-06-13 07:26:48 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:48 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:47.688066 End time: 2026-06-13 07:26:48.179069 2026-06-13 07:26:48 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:48 INFO statwt::::casa ########################################## 2026-06-13 07:26:48 INFO statwt::::casa ########################################## 2026-06-13 07:26:48 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:48 INFO statwt::::casa statwt( vis='ngc5921.split.fieldsel.ms', selectdata=True, field='N5921_2', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:48 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:48 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:48 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:26:49 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:49 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:49 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-06-13 07:26:49 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:49 INFO StatWtTVI::summarizeFlagging 0 1530 1019 2026-06-13 07:26:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.57858 2026-06-13 07:26:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.8497 2026-06-13 07:26:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:49 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:48.486269 End time: 2026-06-13 07:26:48.880708 2026-06-13 07:26:49 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:49 INFO statwt::::casa ########################################## 2026-06-13 07:26:49 INFO name:: No table opened. 2026-06-13 07:26:49 INFO name:: No table opened. .2026-06-13 07:26:49 INFO statwt::::casa ########################################## 2026-06-13 07:26:49 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:49 INFO statwt::::casa statwt( vis='ngc5921.split.minsamp.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=60, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:49 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:49 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:49 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:49 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:49 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:49 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:49 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:49 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:49 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:49 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-06-13 07:26:49 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:49 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-06-13 07:26:49 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-06-13 07:26:49 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:50 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:49.105912 End time: 2026-06-13 07:26:49.612411 2026-06-13 07:26:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:50 INFO statwt::::casa ########################################## 2026-06-13 07:26:50 INFO statwt::::casa ########################################## 2026-06-13 07:26:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:50 INFO statwt::::casa statwt( vis='ngc5921.split.minsamp.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=80, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:50 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:50 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:50 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:26:50 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:50 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:50 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0.0151515%. 2026-06-13 07:26:50 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.2121% 2026-06-13 07:26:50 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:50 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:50 INFO StatWtTVI::summarizeFlagging 0 2699 1793 2026-06-13 07:26:50 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:50 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00706 2026-06-13 07:26:50 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.34301 2026-06-13 07:26:50 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:50 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:49.732840 End time: 2026-06-13 07:26:50.270966 2026-06-13 07:26:50 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:50 INFO statwt::::casa ########################################## 2026-06-13 07:26:50 INFO name:: No table opened. 2026-06-13 07:26:50 INFO name:: No table opened. .2026-06-13 07:26:50 INFO statwt::::casa ########################################## 2026-06-13 07:26:50 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:50 INFO statwt::::casa statwt( vis='statwt_test_vlass_timebin1.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-06-13 07:26:50 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:50 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:51 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-06-13 07:26:51 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-13 07:26:51 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:51 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-06-13 07:26:51 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:51 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:51 INFO StatWtTVI::summarizeFlagging 0 3936 1945 2026-06-13 07:26:51 INFO StatWtTVI::summarizeFlagging 1 3888 2344 2026-06-13 07:26:51 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-06-13 07:26:51 INFO StatWtTVI::summarizeStats The mean of the computed weights is 40.6606 2026-06-13 07:26:51 INFO StatWtTVI::summarizeStats The variance of the computed weights is 372.347 2026-06-13 07:26:51 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:51 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:50.495612 End time: 2026-06-13 07:26:50.909019 2026-06-13 07:26:51 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:51 INFO statwt::::casa ########################################## 2026-06-13 07:26:51 INFO statwt::::casa ########################################## 2026-06-13 07:26:51 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:51 INFO statwt::::casa statwt( vis='statwt_test_vlass_timebin5s.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='scan,field,state', timebin='5s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-06-13 07:26:51 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:51 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:51 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:51 INFO StatWtColConfig::_determineFlags CORRECTED_DATA is not present. Updating the SIGMA/SIGMA_SPECTRUM and WEIGHT/WEIGHT_SPECTRUM values based on calculations using the DATA column. 2026-06-13 07:26:51 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging Originally, 28.7129% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 28.7129% 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging 0 360 13 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging 1 360 22 2026-06-13 07:26:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~15;SPW 1, channels 0~15 2026-06-13 07:26:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 31.8048 2026-06-13 07:26:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 45.3775 2026-06-13 07:26:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:52 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:51.164148 End time: 2026-06-13 07:26:51.809381 2026-06-13 07:26:52 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:52 INFO statwt::::casa ########################################## 2026-06-13 07:26:52 INFO name:: No table opened. 2026-06-13 07:26:52 INFO name:: No table opened. .2026-06-13 07:26:52 INFO statwt::::casa ########################################## 2026-06-13 07:26:52 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:52 INFO statwt::::casa statwt( vis='ngc5921.no_scan_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr, scan', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:52 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:52 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:52 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:52 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:52 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:52 INFO StatWtTVI::summarizeFlagging 0 270 89 2026-06-13 07:26:52 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:52 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.46103 2026-06-13 07:26:52 INFO StatWtTVI::summarizeStats The variance of the computed weights is 0.913911 2026-06-13 07:26:52 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:53 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:52.046564 End time: 2026-06-13 07:26:52.547532 2026-06-13 07:26:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:53 INFO statwt::::casa ########################################## 2026-06-13 07:26:53 INFO name:: No table opened. 2026-06-13 07:26:53 INFO name:: No table opened. .2026-06-13 07:26:53 INFO statwt::::casa ########################################## 2026-06-13 07:26:53 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:53 INFO statwt::::casa statwt( vis='ngc5921.no_scan_nor_field_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,scan,field', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:53 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:53 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:53 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:53 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:53 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:53 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:53 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:53 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:53 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:53 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-06-13 07:26:53 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:53 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-06-13 07:26:53 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-06-13 07:26:53 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:53 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:52.823738 End time: 2026-06-13 07:26:53.350200 2026-06-13 07:26:53 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:53 INFO statwt::::casa ########################################## 2026-06-13 07:26:54 INFO statwt::::casa ########################################## 2026-06-13 07:26:54 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:54 INFO statwt::::casa statwt( vis='ngc5921.no_scan_nor_field_bounds.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr,field,scan', timebin='6000s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:54 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:54 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:54 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:26:54 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:54 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:54 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:54 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:54 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:54 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:54 INFO StatWtTVI::summarizeFlagging 0 45 45 2026-06-13 07:26:54 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:54 INFO StatWtTVI::summarizeStats The mean of the computed weights is 0.0597345 2026-06-13 07:26:54 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.00596e-06 2026-06-13 07:26:54 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:54 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:53.575433 End time: 2026-06-13 07:26:54.300881 2026-06-13 07:26:54 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:54 INFO statwt::::casa ########################################## 2026-06-13 07:26:54 INFO name:: No table opened. 2026-06-13 07:26:54 INFO name:: No table opened. .2026-06-13 07:26:55 INFO statwt::::casa ########################################## 2026-06-13 07:26:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:55 INFO statwt::::casa statwt( vis='ngc5921.split.preview.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=True, datacolumn='corrected' ) 2026-06-13 07:26:55 INFO statwt::::casa Running in preview mode. No flags will be modified, so existing flags will not be backed up. 2026-06-13 07:26:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:55 INFO StatWt::writeWeights RAN IN PREVIEW MODE. NO WEIGHTS NOR FLAGS WERE CHANGED. 2026-06-13 07:26:55 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-06-13 07:26:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-06-13 07:26:55 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:55 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-06-13 07:26:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-06-13 07:26:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-06-13 07:26:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:55 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:54.550330 End time: 2026-06-13 07:26:54.734969 2026-06-13 07:26:55 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:55 INFO statwt::::casa ########################################## 2026-06-13 07:26:55 INFO name:: No table opened. 2026-06-13 07:26:55 INFO name:: No table opened. .2026-06-13 07:26:55 INFO statwt::::casa ########################################## 2026-06-13 07:26:55 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:55 INFO statwt::::casa statwt( vis='ngc5921.split.residualwmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual' ) 2026-06-13 07:26:55 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:55 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:55 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:55 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:26:55 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-06-13 07:26:55 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:55 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:55 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:55 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:55 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-06-13 07:26:55 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:55 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-06-13 07:26:55 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-06-13 07:26:55 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:56 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:54.822284 End time: 2026-06-13 07:26:55.612852 2026-06-13 07:26:56 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:56 INFO statwt::::casa ########################################## 2026-06-13 07:26:56 INFO name:: No table opened. 2026-06-13 07:26:56 INFO name:: No table opened. .2026-06-13 07:26:56 INFO statwt::::casa ########################################## 2026-06-13 07:26:56 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:56 INFO statwt::::casa statwt( vis='ngc5921.split.residualdatawmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-06-13 07:26:56 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:56 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:56 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:56 INFO StatWtColConfig::_determineFlags Updating the SIGMA/SIGMA_SPECTRUM values. WEIGHT/WEIGHT_SPECTRUM will not be recalculated as they are related to the values in the CORRECTED_DATA column. 2026-06-13 07:26:56 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-13 07:26:56 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:56 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:56 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:56 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:56 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-06-13 07:26:56 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:56 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-06-13 07:26:56 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-06-13 07:26:56 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:57 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:55.863748 End time: 2026-06-13 07:26:56.512221 2026-06-13 07:26:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:57 INFO statwt::::casa ########################################## 2026-06-13 07:26:57 INFO name:: No table opened. 2026-06-13 07:26:57 INFO name:: No table opened. .2026-06-13 07:26:57 INFO statwt::::casa ########################################## 2026-06-13 07:26:57 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:57 INFO statwt::::casa statwt( vis='ngc5921.split.residualdatawoutmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual_data' ) 2026-06-13 07:26:57 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:57 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:57 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:57 INFO StatWtColConfig::_determineFlags Updating the SIGMA/SIGMA_SPECTRUM values. WEIGHT/WEIGHT_SPECTRUM will not be recalculated as they are related to the values in the CORRECTED_DATA column. 2026-06-13 07:26:57 INFO StatWtTVI::StatWtTVI Using DATA - MODEL_DATA to compute weights 2026-06-13 07:26:57 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:57 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:57 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:57 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:57 INFO StatWtTVI::summarizeFlagging 0 5399 2389 2026-06-13 07:26:57 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:57 INFO StatWtTVI::summarizeStats The mean of the computed weights is 1533.27 2026-06-13 07:26:57 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.48377e+06 2026-06-13 07:26:57 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:57 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:56.827359 End time: 2026-06-13 07:26:57.466707 2026-06-13 07:26:57 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:57 INFO statwt::::casa ########################################## 2026-06-13 07:26:58 INFO name:: No table opened. 2026-06-13 07:26:58 INFO name:: No table opened. .2026-06-13 07:26:58 INFO statwt::::casa ########################################## 2026-06-13 07:26:58 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:58 INFO statwt::::casa statwt( vis='ngc5921.split.residualwoutmodel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='residual' ) 2026-06-13 07:26:58 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:58 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:58 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:58 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. 2026-06-13 07:26:58 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA - MODEL_DATA to compute weights 2026-06-13 07:26:58 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:58 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:58 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:58 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:58 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-06-13 07:26:58 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:58 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-06-13 07:26:58 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-06-13 07:26:58 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:26:58 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:57.737962 End time: 2026-06-13 07:26:58.399633 2026-06-13 07:26:58 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:26:58 INFO statwt::::casa ########################################## 2026-06-13 07:26:59 INFO name:: No table opened. 2026-06-13 07:26:59 INFO name:: No table opened. .2026-06-13 07:26:59 INFO statwt::::casa ########################################## 2026-06-13 07:26:59 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:26:59 INFO statwt::::casa statwt( vis='ngc5921.split.statstest.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:26:59 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:26:59 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:26:59 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:26:59 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. 2026-06-13 07:26:59 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:26:59 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:26:59 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:26:59 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:26:59 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:26:59 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-06-13 07:26:59 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:26:59 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-06-13 07:26:59 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-06-13 07:26:59 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:00 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:58.679662 End time: 2026-06-13 07:26:59.639909 2026-06-13 07:27:00 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:00 INFO statwt::::casa ########################################## 2026-06-13 07:27:00 INFO name:: No table opened. 2026-06-13 07:27:00 INFO name:: No table opened. .2026-06-13 07:27:00 INFO statwt::::casa ########################################## 2026-06-13 07:27:00 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:00 INFO statwt::::casa statwt( vis='ngc5921.split.scansel.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='5', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:00 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:00 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:00 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:27:00 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. 2026-06-13 07:27:00 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:00 INFO StatWtTVI::summarizeFlagging Originally, 18.1818% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:00 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.1818% 2026-06-13 07:27:00 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:00 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:00 INFO StatWtTVI::summarizeFlagging 0 135 88 2026-06-13 07:27:00 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:00 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.676 2026-06-13 07:27:00 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.37272 2026-06-13 07:27:00 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:01 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:26:59.762189 End time: 2026-06-13 07:27:00.621912 2026-06-13 07:27:01 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:01 INFO statwt::::casa ########################################## 2026-06-13 07:27:01 INFO name:: No table opened. 2026-06-13 07:27:01 INFO name:: No table opened. .2026-06-13 07:27:01 INFO statwt::::casa ########################################## 2026-06-13 07:27:01 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:01 INFO statwt::::casa statwt( vis='ngc5921.split.sliding_time_window.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin='300s', slidetimebin=True, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:01 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:01 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:01 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:27:01 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:01 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:02 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:02 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:27:02 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:02 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:02 INFO StatWtTVI::summarizeFlagging 0 5400 2944 2026-06-13 07:27:02 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:02 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.87503 2026-06-13 07:27:02 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.18372 2026-06-13 07:27:02 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:02 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:01.069622 End time: 2026-06-13 07:27:01.837054 2026-06-13 07:27:02 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:02 INFO statwt::::casa ########################################## 2026-06-13 07:27:02 INFO name:: No table opened. 2026-06-13 07:27:02 INFO name:: No table opened. .2026-06-13 07:27:02 INFO statwt::::casa ########################################## 2026-06-13 07:27:02 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:02 INFO statwt::::casa statwt( vis='ngc5921.split.sliding_time_window.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=5, slidetimebin=True, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:02 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:02 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:02 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:27:02 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:02 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:03 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:03 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:27:03 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:03 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:03 INFO StatWtTVI::summarizeFlagging 0 5400 2892 2026-06-13 07:27:03 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:03 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.86331 2026-06-13 07:27:03 INFO StatWtTVI::summarizeStats The variance of the computed weights is 2.05373 2026-06-13 07:27:03 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:03 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:02.119563 End time: 2026-06-13 07:27:02.819100 2026-06-13 07:27:03 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:03 INFO statwt::::casa ########################################## 2026-06-13 07:27:03 INFO statwt::::casa ########################################## 2026-06-13 07:27:03 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:03 INFO statwt::::casa statwt( vis='ngc5921.split.sliding_time_window.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=6, slidetimebin=True, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:03 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:03 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:03 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-06-13 07:27:03 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:03 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:04 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:04 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:27:04 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:04 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:04 INFO StatWtTVI::summarizeFlagging 0 5400 2782 2026-06-13 07:27:04 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:04 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.83245 2026-06-13 07:27:04 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.90358 2026-06-13 07:27:04 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:04 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:03.077408 End time: 2026-06-13 07:27:03.801060 2026-06-13 07:27:04 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:04 INFO statwt::::casa ########################################## 2026-06-13 07:27:04 INFO name:: No table opened. 2026-06-13 07:27:04 INFO name:: No table opened. .2026-06-13 07:27:04 INFO statwt::::casa ########################################## 2026-06-13 07:27:04 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:04 INFO statwt::::casa statwt( vis='ngc5921.split.spwsel.ms', selectdata=True, field='', spw='0', intent='', array='', observation='', scan='', combine='corr', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:04 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:04 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:04 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:27:04 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:04 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:04 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:04 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:27:04 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:04 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:04 INFO StatWtTVI::summarizeFlagging 0 2700 1793 2026-06-13 07:27:04 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:04 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.00744 2026-06-13 07:27:04 INFO StatWtTVI::summarizeStats The variance of the computed weights is 3.3415 2026-06-13 07:27:04 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:04 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:04.019362 End time: 2026-06-13 07:27:04.477131 2026-06-13 07:27:04 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:04 INFO statwt::::casa ########################################## 2026-06-13 07:27:05 INFO name:: No table opened. 2026-06-13 07:27:05 INFO name:: No table opened. .2026-06-13 07:27:05 INFO statwt::::casa ########################################## 2026-06-13 07:27:05 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:05 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='cl', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:05 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:05 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:05 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:27:05 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. 2026-06-13 07:27:05 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:05 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:05 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:27:05 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:05 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:05 INFO StatWtTVI::summarizeFlagging 0 5399 3837 2026-06-13 07:27:05 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:05 INFO StatWtTVI::summarizeStats The mean of the computed weights is 3.69122 2026-06-13 07:27:05 INFO StatWtTVI::summarizeStats The variance of the computed weights is 6.86097 2026-06-13 07:27:05 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:05 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:04.612714 End time: 2026-06-13 07:27:05.252648 2026-06-13 07:27:05 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:05 INFO statwt::::casa ########################################## 2026-06-13 07:27:05 INFO statwt::::casa ########################################## 2026-06-13 07:27:05 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:05 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='ch', fence=-1.0, center='mean', lside=True, zscore=5.0, maxiter=3, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:05 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:05 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:05 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:27:06 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:06 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:06 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:06 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:27:06 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:06 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:06 INFO StatWtTVI::summarizeFlagging 0 5399 2485 2026-06-13 07:27:06 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:06 INFO StatWtTVI::summarizeStats The mean of the computed weights is 9.49987 2026-06-13 07:27:06 INFO StatWtTVI::summarizeStats The variance of the computed weights is 19.7106 2026-06-13 07:27:06 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:06 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:05.333297 End time: 2026-06-13 07:27:06.240723 2026-06-13 07:27:06 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:06 INFO statwt::::casa ########################################## 2026-06-13 07:27:06 INFO statwt::::casa ########################################## 2026-06-13 07:27:06 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:06 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='h', fence=0.2, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:06 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:06 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:06 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_3 2026-06-13 07:27:07 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:07 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:07 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:07 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:27:07 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:07 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:07 INFO StatWtTVI::summarizeFlagging 0 5399 2320 2026-06-13 07:27:07 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:07 INFO StatWtTVI::summarizeStats The mean of the computed weights is 49.5864 2026-06-13 07:27:07 INFO StatWtTVI::summarizeStats The variance of the computed weights is 418.744 2026-06-13 07:27:07 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:07 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:06.317217 End time: 2026-06-13 07:27:07.131900 2026-06-13 07:27:07 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:07 INFO statwt::::casa ########################################## 2026-06-13 07:27:07 INFO statwt::::casa ########################################## 2026-06-13 07:27:07 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:07 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='f', fence=-1.0, center='median', lside=False, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:07 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:07 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:07 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_4 2026-06-13 07:27:07 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:07 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:08 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:08 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:27:08 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:08 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:08 INFO StatWtTVI::summarizeFlagging 0 5399 4066 2026-06-13 07:27:08 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:08 INFO StatWtTVI::summarizeStats The mean of the computed weights is 5.55784 2026-06-13 07:27:08 INFO StatWtTVI::summarizeStats The variance of the computed weights is 22.2368 2026-06-13 07:27:08 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:08 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:07.183101 End time: 2026-06-13 07:27:07.798670 2026-06-13 07:27:08 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:08 INFO statwt::::casa ########################################## 2026-06-13 07:27:08 INFO statwt::::casa ########################################## 2026-06-13 07:27:08 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:08 INFO statwt::::casa statwt( vis='ngc5921.split.statalg.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='', timebin=1, slidetimebin=False, chanbin='spw', minsamp=2, statalg='bogus', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:08 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:08 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:08 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_5 2026-06-13 07:27:08 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:08 SEVERE ms::statwt Exception Reported: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-06-13 07:27:08 SEVERE statwt::::casa Exception Reported: Error in statwt: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-06-13 07:27:08 INFO statwt::::casa Traceback (most recent call last): 2026-06-13 07:27:08 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casashell/private/statwt.py", line 993, in __call__ 2026-06-13 07:27:08 INFO statwt::::casa+ task_result = _statwt_t( _pc.document['vis'],_pc.document['selectdata'],_pc.document['field'],_pc.document['spw'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['scan'],_pc.document['combine'],_pc.document['timebin'],_pc.document['slidetimebin'],_pc.document['chanbin'],_pc.document['minsamp'],_pc.document['statalg'],_pc.document['fence'],_pc.document['center'],_pc.document['lside'],_pc.document['zscore'],_pc.document['maxiter'],_pc.document['fitspw'],_pc.document['excludechans'],_pc.document['wtrange'],_pc.document['flagbackup'],_pc.document['preview'],_pc.document['datacolumn'] ) 2026-06-13 07:27:08 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-13 07:27:08 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatasks/private/task_statwt.py", line 56, in statwt 2026-06-13 07:27:08 INFO statwt::::casa+ rval = myms.statwt( 2026-06-13 07:27:08 INFO statwt::::casa+ ^^^^^^^^^^^^ 2026-06-13 07:27:08 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/ms.py", line 1235, in statwt 2026-06-13 07:27:08 INFO statwt::::casa+ return self._swigobj.statwt(combine, timebin, slidetimebin, chanbin, minsamp, statalg, fence, center, lside, zscore, maxiter, fitspw, excludechans, wtrange, preview, datacolumn) 2026-06-13 07:27:08 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-13 07:27:08 INFO statwt::::casa+ File "/wheeldirectory/casa-6.7.6-8-py3.12.el8/lib/py/lib/python3.12/site-packages/casatools/__casac__/ms.py", line 2775, in statwt 2026-06-13 07:27:08 INFO statwt::::casa+ return _ms.ms_statwt(self, *args, **kwargs) 2026-06-13 07:27:08 INFO statwt::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-06-13 07:27:08 INFO statwt::::casa+ RuntimeError: Unsupported value for 'statalg' at File: /source/casa6/casatools/src/code/mstransform/TVI/StatWtTVI.cc, line: 406 2026-06-13 07:27:08 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:07.884670 End time: 2026-06-13 07:27:08.172031 2026-06-13 07:27:08 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:08 INFO statwt::::casa ########################################## 2026-06-13 07:27:08 INFO name:: No table opened. 2026-06-13 07:27:08 INFO name:: No table opened. .2026-06-13 07:27:08 INFO statwt::::casa ########################################## 2026-06-13 07:27:08 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:08 INFO statwt::::casa statwt( vis='ngc5921.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:08 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:08 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:08 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:27:08 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:08 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:09 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:09 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:27:09 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:09 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:09 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-06-13 07:27:09 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:09 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-06-13 07:27:09 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-06-13 07:27:09 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:09 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:08.232300 End time: 2026-06-13 07:27:08.842730 2026-06-13 07:27:09 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:09 INFO statwt::::casa ########################################## 2026-06-13 07:27:09 INFO statwt::::casa ########################################## 2026-06-13 07:27:09 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:09 INFO statwt::::casa statwt( vis='ngc5921.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin=10, slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:09 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:09 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:09 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:27:09 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:09 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:10 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 0%. 2026-06-13 07:27:10 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 18.197% 2026-06-13 07:27:10 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:10 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:10 INFO StatWtTVI::summarizeFlagging 0 2700 948 2026-06-13 07:27:10 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:10 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.50245 2026-06-13 07:27:10 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.046 2026-06-13 07:27:10 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:10 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:09.126883 End time: 2026-06-13 07:27:09.956508 2026-06-13 07:27:10 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:10 INFO statwt::::casa ########################################## 2026-06-13 07:27:10 INFO name:: No table opened. 2026-06-13 07:27:10 INFO name:: No table opened. .2026-06-13 07:27:10 INFO statwt::::casa ########################################## 2026-06-13 07:27:10 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:10 INFO statwt::::casa statwt( vis='ngc5921.wtrange.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:10 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:10 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:10 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_1 2026-06-13 07:27:11 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:11 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:11 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-06-13 07:27:11 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-06-13 07:27:11 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:11 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:11 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-06-13 07:27:11 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:11 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-06-13 07:27:11 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-06-13 07:27:11 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:11 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:10.305844 End time: 2026-06-13 07:27:10.885980 2026-06-13 07:27:11 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:11 INFO statwt::::casa ########################################## 2026-06-13 07:27:11 INFO statwt::::casa ########################################## 2026-06-13 07:27:11 INFO statwt::::casa ##### Begin Task: statwt ##### 2026-06-13 07:27:11 INFO statwt::::casa statwt( vis='ngc5921.wtrange.split.timebin.ms', selectdata=True, field='', spw='', intent='', array='', observation='', scan='', combine='corr', timebin='300s', slidetimebin=False, chanbin='spw', minsamp=2, statalg='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, fitspw='', excludechans=False, wtrange=[1.0, 2.0], flagbackup=True, preview=False, datacolumn='corrected' ) 2026-06-13 07:27:11 INFO statwt::::casa Backup original flags before applying new flags 2026-06-13 07:27:11 INFO AgentFlagger::open Table type is Measurement Set 2026-06-13 07:27:11 INFO FlagVersion::saveFlagVersion Creating new backup flag file called statwt_2 2026-06-13 07:27:11 INFO StatWtColConfig::_determineFlags Updating the WEIGHT/WEIGHT_SPECTRUM values. SIGMA/SIGMA_SPECTRUM values will not be recalculated as they are related to the values in the DATA column. 2026-06-13 07:27:11 INFO StatWtTVI::StatWtTVI Using CORRECTED_DATA to compute weights 2026-06-13 07:27:12 INFO StatWtTVI::summarizeFlagging Originally, 18.197% of the data were flagged. StatWtTVI flagged an additional 59.4848%. 2026-06-13 07:27:12 INFO StatWtTVI::summarizeFlagging TOTAL FLAGGED DATA AFTER RUNNING STATWT: 77.6818% 2026-06-13 07:27:12 INFO StatWtTVI::summarizeFlagging 2026-06-13 07:27:12 INFO StatWtTVI::summarizeFlagging SPECTRAL_WINDOW SAMPLES_WITH_NON-ZERO_VARIANCE SAMPLES_WHERE_REAL_PART_VARIANCE_DIFFERS_BY_>50%_FROM_IMAGINARY_PART 2026-06-13 07:27:12 INFO StatWtTVI::summarizeFlagging 0 630 288 2026-06-13 07:27:12 INFO StatWtTVI::_logUsedChannels Weights are being computed using SPW 0, channels 0~62 2026-06-13 07:27:12 INFO StatWtTVI::summarizeStats The mean of the computed weights is 2.55491 2026-06-13 07:27:12 INFO StatWtTVI::summarizeStats The variance of the computed weights is 1.29512 2026-06-13 07:27:12 INFO StatWtTVI::summarizeStats Weights which had corresponding flags of True prior to running this application were not used to compute these stats. 2026-06-13 07:27:12 INFO statwt::::casa Task statwt complete. Start time: 2026-06-13 07:27:11.318181 End time: 2026-06-13 07:27:11.766209 2026-06-13 07:27:12 INFO statwt::::casa ##### End Task: statwt ##### 2026-06-13 07:27:12 INFO statwt::::casa ########################################## 2026-06-13 07:27:12 INFO name:: No table opened. 2026-06-13 07:27:12 INFO name:: No table opened. . ---------------------------------------------------------------------- Ran 23 tests in 49.247s OK Generating XML reports...