Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.791 5.33/6.274 5.827 ± 0.6203
ea02 1342 1342/1342 1342 ± 0 6.123 5.456/6.363 6.022 ± 0.6654
ea03 1342 1342/1342 1342 ± 0 6.025 5.337/6.656 6.006 ± 0.7492
ea04 1342 1342/1342 1342 ± 0 5.621 5.038/6.07 5.607 ± 0.5972
ea05 1342 1342/1342 1342 ± 0 5.666 5.182/6.375 5.808 ± 0.6921
ea06 1342 1342/1342 1342 ± 0 5.87 4.977/6.043 5.62 ± 0.68
ea07 1342 1342/1342 1342 ± 0 5.806 5.084/6.236 5.808 ± 0.717
ea08 1342 1342/1342 1342 ± 0 6.291 5.478/6.675 6.196 ± 0.6743
ea09 1342 1342/1342 1342 ± 0 5.675 5.022/6.401 5.752 ± 0.7108
ea10 1342 1342/1342 1342 ± 0 5.546 5.077/6.1 5.561 ± 0.598
ea11 1342 1342/1342 1342 ± 0.00000761 5.348 5.071/6.164 5.577 ± 0.6643
ea12 1342 1342/1342 1342 ± 0 5.457 5.303/6.309 5.665 ± 0.6568
ea13 1342 1342/1342 1342 ± 0 5.786 5.36/6.252 5.814 ± 0.6902
ea14 1342 1342/1342 1342 ± 0.000003069 5.854 5.5/6.513 6.002 ± 0.6264
ea15 1342 1342/1342 1342 ± 0.000007417 4.804 4.39/5.164 4.812 ± 0.4529
ea16 1342 1342/1342 1342 ± 0 6.017 5.556/6.498 6.096 ± 0.7359
ea17 1342 1342/1342 1342 ± 0 6.044 5.646/6.712 6.215 ± 0.6987
ea18 1342 1342/1342 1342 ± 0 6.197 5.649/6.814 6.262 ± 0.7268
ea19 1342 1342/1342 1342 ± 0 5.786 5.374/6.467 5.906 ± 0.6981
ea20 1342 1342/1342 1342 ± 0 6.042 5.332/6.485 5.906 ± 0.6241
ea21 1342 1342/1342 1342 ± 0 5.498 5.063/5.957 5.531 ± 0.5549
ea22 1342 1342/1342 1342 ± 0 6.419 5.637/6.907 6.248 ± 0.733
ea23 1342 1342/1342 1342 ± 0 5.918 5.435/6.425 6.01 ± 0.6946
ea24 1342 1342/1342 1342 ± 0 6.037 5.208/6.434 5.797 ± 0.6444
ea25 1342 1342/1342 1342 ± 0 6.432 5.593/6.825 6.353 ± 0.8223
ea27 1342 1342/1342 1342 ± 0.000001253 5.721 5.227/6.466 5.815 ± 0.6563
ea28 1342 1342/1342 1342 ± 0 6.299 5.614/6.88 6.259 ± 0.6903
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002306 5.369 5.201/5.553 5.366 ± 0.2688
3 1342 1342/1342 1342 ± 0.00002387 4.969 4.76/5.122 4.958 ± 0.2879
4 1342 1342/1342 1342 ± 0.00003085 5.073 4.833/5.272 5.087 ± 0.353
5 1342 1342/1342 1342 ± 0.00002306 5.216 5.006/5.485 5.229 ± 0.3396
6 1342 1342/1342 1342 ± 0.00002309 5.219 5.023/5.469 5.204 ± 0.3262
7 1342 1342/1342 1342 ± 0.00002306 5.382 5.185/5.459 5.318 ± 0.2794
8 1342 1342/1342 1342 ± 0.00002306 5.334 5.11/5.473 5.276 ± 0.2991
9 1342 1342/1342 1342 ± 0.00002306 5.62 5.461/5.864 5.602 ± 0.3245
10 1342 1342/1342 1342 ± 0.00002306 6.081 5.955/6.246 6.063 ± 0.3151
11 1342 1342/1342 1342 ± 0.00002306 6.33 6.067/6.447 6.267 ± 0.3207
12 1342 1342/1342 1342 ± 0.00002306 6.438 6.223/6.656 6.429 ± 0.3789
13 1342 1342/1342 1342 ± 0.00002306 6.886 6.608/7.163 6.867 ± 0.393
14 1342 1342/1342 1342 ± 0.00002306 7.085 6.854/7.351 7.05 ± 0.4176
15 1342 1342/1342 1342 ± 0.00002306 6.76 6.522/7.035 6.712 ± 0.4328
16 1342 1342/1342 1342 ± 0.00002358 6.044 5.74/6.385 6.055 ± 0.4329
17 1342 1342/1342 1342 ± 0.00002353 6.085 5.806/6.295 6.014 ± 0.4111
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
output_dir
 
Start time
2025-07-18 07:56:37.024
End
2025-07-18 08:49:59.068
Duration
0:53:22.044
Note, WebLog generation is not included in the time.

CASA logs for stage 8