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 3.8 3.675/4.174 3.915 ± 0.2705
ea02 1342 1342/1342 1342 ± 0.000006922 5.701 5.477/6.307 5.954 ± 0.5497
ea03 1342 1342/1342 1342 ± 0 5.717 5.29/6.464 5.854 ± 0.6
ea04 1342 1342/1342 1342 ± 0.00001919 5.304 5.042/5.864 5.394 ± 0.4858
ea05 1342 1342/1342 1342 ± 0.00001845 5.545 5.189/6.237 5.715 ± 0.5631
ea06 1342 1342/1342 1342 ± 0.000006275 5.369 4.914/5.94 5.507 ± 0.5996
ea07 1342 1342/1342 1342 ± 0 5.477 5.221/6.107 5.683 ± 0.6139
ea08 1342 1342/1342 1342 ± 0 5.815 5.504/6.653 6.089 ± 0.6059
ea09 1342 1342/1342 1342 ± 0 5.421 5.023/6.117 5.554 ± 0.5465
ea10 1342 1342/1342 1342 ± 0.00000131 5.101 4.877/5.873 5.336 ± 0.5389
ea11 1342 1342/1342 1342 ± 0.00004227 5.32 4.686/5.904 5.36 ± 0.583
ea12 1342 1342/1342 1342 ± 0.00003647 5.211 5.085/6.081 5.472 ± 0.546
ea13 1342 1342/1342 1342 ± 0 5.69 5.445/6.284 5.84 ± 0.5917
ea14 1342 1342/1342 1342 ± 0.000005397 5.745 5.383/6.4 5.843 ± 0.5315
ea15 1342 1342/1342 1342 ± 0.00003311 5.538 5.307/6.457 5.818 ± 0.6238
ea17 1342 1342/1342 1342 ± 0 5.606 5.504/6.627 5.969 ± 0.6162
ea18 1342 1342/1342 1342 ± 0 6.008 5.794/6.711 6.218 ± 0.5616
ea19 1342 1342/1342 1342 ± 0.00003491 5.487 5.232/6.281 5.713 ± 0.5236
ea20 1342 1342/1342 1342 ± 0 5.683 5.387/6.412 5.869 ± 0.5195
ea21 1342 1342/1342 1342 ± 0 5.101 4.955/5.666 5.327 ± 0.4572
ea22 1342 1342/1342 1342 ± 0 6.446 5.902/6.813 6.378 ± 0.491
ea23 1342 1342/1342 1342 ± 0 5.599 5.214/6.193 5.729 ± 0.6008
ea24 1342 1342/1342 1342 ± 0 5.753 5.131/6.272 5.718 ± 0.5623
ea25 1342 1342/1342 1342 ± 0 6.157 5.504/6.597 6.169 ± 0.7133
ea28 1342 1342/1342 1342 ± 0 6.057 5.619/6.773 6.177 ± 0.5868
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 ± 0.00002435 5.305 5.079/5.547 5.262 ± 0.4316
5 1342 1342/1342 1342 ± 0.0000242 5.174 4.986/5.411 5.132 ± 0.409
6 1342 1342/1342 1342 ± 0.00002435 5.12 4.88/5.323 5.047 ± 0.3837
7 1342 1342/1342 1342 ± 0.00002435 5.284 5.107/5.443 5.207 ± 0.3949
8 1342 1342/1342 1342 ± 0.00002435 5.221 5.006/5.426 5.161 ± 0.4285
9 1342 1342/1342 1342 ± 0.00002435 5.53 5.201/5.735 5.419 ± 0.45
10 1342 1342/1342 1342 ± 0.00002392 5.984 5.788/6.171 5.894 ± 0.4797
11 1342 1342/1342 1342 ± 0.00002392 6.216 5.907/6.379 6.106 ± 0.4917
12 1342 1342/1342 1342 ± 0.00002392 6.295 6.079/6.468 6.226 ± 0.5153
13 1342 1342/1342 1342 ± 0.00002392 6.71 6.339/6.949 6.617 ± 0.5569
14 1342 1342/1342 1342 ± 0.00002639 6.506 6.151/6.809 6.439 ± 0.6037
15 1342 1342/1342 1342 ± 0.00002392 6.43 6.174/6.725 6.375 ± 0.5385
16 1342 1342/1342 1342 ± 0.00004403 5.413 5.184/5.731 5.421 ± 0.5092
17 1342 1342/1342 1342 ± 0.00004645 5.302 5.129/5.68 5.316 ± 0.4838
overwrite_modelcol
False
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-18 10:29:06.182
End
2025-07-18 11:16:04.589
Duration
0:46:58.407
Note, WebLog generation is not included in the time.

CASA logs for stage 8