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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.432 5.233/6.444 5.785 ± 0.7109
ea02 1342 1342/1342 1342 ± 0.00004333 5.425 5.053/6.25 5.642 ± 0.6683
ea03 1342 1342/1342 1342 ± 0.00001573 5.323 5.134/6.49 5.732 ± 0.7595
ea04 1342 1342/1342 1342 ± 0.00004207 5.073 4.947/5.922 5.364 ± 0.6033
ea05 1342 1342/1342 1342 ± 0.00004199 5.295 4.958/6.16 5.563 ± 0.7025
ea06 1342 1342/1342 1342 ± 0.00001762 5.243 4.796/5.941 5.467 ± 0.7365
ea07 1342 1342/1342 1342 ± 0.00004329 5.279 4.852/6.056 5.476 ± 0.6624
ea08 1342 1342/1342 1342 ± 0.00004283 5.745 5.325/6.573 5.866 ± 0.7257
ea09 1342 1342/1342 1342 ± 0.00004276 5.034 4.831/6.05 5.367 ± 0.649
ea10 1342 1342/1342 1342 ± 0.00004422 4.517 4.325/4.883 4.584 ± 0.3215
ea11 1342 1342/1342 1342 ± 0.00004351 5.598 4.808/6.397 5.637 ± 0.8344
ea12 1342 1342/1342 1342 ± 0.00004129 5.122 4.813/5.912 5.332 ± 0.6438
ea14 1342 1342/1342 1342 ± 0.00004205 5.532 5.059/6.268 5.604 ± 0.6849
ea15 1342 1342/1342 1342 ± 0.00004324 5.505 5.154/6.375 5.752 ± 0.8268
ea16 1342 1342/1342 1342 ± 0.00001916 5.651 5.232/6.515 5.887 ± 0.7646
ea17 1342 1342/1342 1342 ± 0.00004303 5.657 5.209/6.425 5.859 ± 0.7356
ea18 1342 1342/1342 1342 ± 0.00004267 5.806 5.369/6.589 5.916 ± 0.7137
ea19 1342 1342/1342 1342 ± 0.00003119 5.354 5.1/6.27 5.652 ± 0.7236
ea20 1342 1342/1342 1342 ± 0.00002749 5.878 5.512/6.7 6.1 ± 0.7938
ea21 1342 1342/1342 1342 ± 0.000008771 5.059 4.85/5.738 5.311 ± 0.5541
ea22 1342 1342/1342 1342 ± 0.00004305 5.493 4.987/6.242 5.626 ± 0.6612
ea23 1342 1342/1342 1342 ± 0.0000424 5.686 5.079/6.253 5.711 ± 0.7014
ea24 1342 1342/1342 1342 ± 0.000004252 5.306 5.053/6.223 5.612 ± 0.6174
ea25 1342 1342/1342 1342 ± 0.000006655 5.85 5.378/6.606 6.082 ± 0.8256
ea27 1342 1342/1342 1342 ± 0.00001527 5.299 4.917/6.227 5.536 ± 0.714
ea28 1342 1342/1342 1342 ± 0.00001969 5.739 5.547/6.81 6.072 ± 0.7322
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 ± 0.00002357 5.05 4.863/5.188 5.048 ± 0.257
5 1342 1342/1342 1342 ± 0.00002489 5.176 4.92/5.514 5.176 ± 0.3769
6 1342 1342/1342 1342 ± 0.0000235 5.057 4.799/5.287 5.03 ± 0.2836
7 1342 1342/1342 1342 ± 0.0000235 5.105 4.976/5.341 5.14 ± 0.2667
8 1342 1342/1342 1342 ± 0.0000235 5.157 4.95/5.392 5.151 ± 0.3149
9 1342 1342/1342 1342 ± 0.0000235 5.384 5.266/5.659 5.404 ± 0.3165
10 1342 1342/1342 1342 ± 0.0000235 5.974 5.841/6.142 5.924 ± 0.3262
11 1342 1342/1342 1342 ± 0.0000235 6.244 6.032/6.418 6.188 ± 0.3459
12 1342 1342/1342 1342 ± 0.0000235 6.365 6.066/6.523 6.333 ± 0.4156
13 1342 1342/1342 1342 ± 0.0000235 6.812 6.532/7.062 6.754 ± 0.4907
14 1342 1342/1342 1342 ± 0.00002395 6.581 6.353/7.048 6.697 ± 0.4323
15 1342 1342/1342 1342 ± 0.00002961 6.13 5.897/6.379 6.114 ± 0.4293
16 1342 1342/1342 1342 ± 0.00005697 4.743 4.576/4.975 4.773 ± 0.3017
17 1342 1342/1342 1342 ± 0.00005768 4.806 4.657/4.987 4.822 ± 0.2806
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-07-26 12:12:29.615
End
2025-07-26 13:07:06.507
Duration
0:54:36.892
Note, WebLog generation is not included in the time.

CASA logs for stage 8