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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.66 4.419/5.055 4.725 ± 0.3495
ea02 1342 1342/1342 1342 ± 0.00001526 6.246 5.566/6.438 6.194 ± 0.589
ea03 1342 1342/1342 1342 ± 0 6.022 5.344/6.574 6.04 ± 0.6814
ea04 1342 1342/1342 1342 ± 0.0000163 5.614 5.174/5.937 5.65 ± 0.5405
ea05 1342 1342/1342 1342 ± 0.00000895 5.668 5.403/6.518 5.871 ± 0.6202
ea06 1342 1342/1342 1342 ± 0 5.874 5.029/5.956 5.648 ± 0.5947
ea07 1342 1342/1342 1342 ± 0 6.026 5.157/6.131 5.859 ± 0.6834
ea08 1342 1342/1342 1342 ± 0 6.252 5.557/6.739 6.276 ± 0.6542
ea09 1342 1342/1342 1342 ± 0 5.593 5.178/6.381 5.658 ± 0.6315
ea10 1342 1342/1342 1342 ± 0 5.456 5.138/6.043 5.565 ± 0.5457
ea11 1342 1342/1342 1342 ± 0.00003942 5.208 5.018/6.111 5.537 ± 0.592
ea12 1342 1342/1342 1342 ± 0.00002051 5.358 5.292/6.05 5.687 ± 0.545
ea13 1342 1342/1342 1342 ± 0 5.883 5.564/6.424 5.951 ± 0.6526
ea14 1342 1342/1342 1342 ± 0 5.933 5.62/6.499 6.056 ± 0.5498
ea15 1342 1342/1342 1342 ± 0.00002141 5.779 5.445/6.564 5.99 ± 0.6904
ea17 1342 1342/1342 1342 ± 0 6.166 5.772/6.998 6.285 ± 0.6596
ea18 1342 1342/1342 1342 ± 0 6.358 5.736/6.94 6.296 ± 0.6714
ea19 1342 1342/1342 1342 ± 0.00002147 5.87 5.299/6.307 5.858 ± 0.6185
ea20 1342 1342/1342 1342 ± 0 5.864 5.58/6.603 6.037 ± 0.6051
ea21 1342 1342/1342 1342 ± 0 5.258 5.011/5.762 5.424 ± 0.4602
ea22 1342 1342/1342 1342 ± 0 6.429 5.914/6.944 6.417 ± 0.6595
ea23 1342 1342/1342 1342 ± 0 5.926 5.464/6.324 6.062 ± 0.6676
ea24 1342 1342/1342 1342 ± 0 5.979 5.188/6.478 5.823 ± 0.6367
ea25 1342 1342/1342 1342 ± 0 6.402 5.617/6.803 6.372 ± 0.7494
ea28 1342 1342/1342 1342 ± 0 6.045 5.671/6.928 6.217 ± 0.6669
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 ± 0.00002392 5.447 5.121/5.576 5.366 ± 0.3361
4 1342 1342/1342 1342 ± 0.00003057 4.951 4.85/5.042 4.934 ± 0.2542
5 1342 1342/1342 1342 ± 0.00002392 5.309 5.125/5.616 5.335 ± 0.343
6 1342 1342/1342 1342 ± 0.00002392 5.339 5.127/5.561 5.317 ± 0.3464
7 1342 1342/1342 1342 ± 0.00002392 5.404 5.172/5.59 5.362 ± 0.3206
8 1342 1342/1342 1342 ± 0.00002392 5.335 5.15/5.522 5.3 ± 0.3262
9 1342 1342/1342 1342 ± 0.00002392 5.68 5.422/5.875 5.597 ± 0.3839
10 1342 1342/1342 1342 ± 0.00002392 6.114 5.895/6.278 6.045 ± 0.357
11 1342 1342/1342 1342 ± 0.00002392 6.356 6.07/6.547 6.247 ± 0.3997
12 1342 1342/1342 1342 ± 0.00002392 6.386 6.049/6.659 6.373 ± 0.4386
13 1342 1342/1342 1342 ± 0.00002392 6.878 6.562/7.174 6.817 ± 0.4774
14 1342 1342/1342 1342 ± 0.00002392 7 6.73/7.345 6.95 ± 0.5015
15 1342 1342/1342 1342 ± 0.00002392 6.799 6.417/6.96 6.678 ± 0.4518
16 1342 1342/1342 1342 ± 0.00003625 5.893 5.586/6.308 5.912 ± 0.484
17 1342 1342/1342 1342 ± 0.00003925 5.922 5.619/6.234 5.845 ± 0.4518
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-07-18 13:17:55.985
End
2025-07-18 14:25:24.238
Duration
1:07:28.253
Note, WebLog generation is not included in the time.

CASA logs for stage 8