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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.664 5.406/6.281 5.729 ± 0.8129
ea02 1342 1342/1342 1342 ± 0.00004169 5.649 5.362/6.522 5.709 ± 0.7806
ea03 1342 1342/1342 1342 ± 0 5.559 5.397/6.248 5.805 ± 0.6904
ea04 1342 1342/1342 1342 ± 0.00003719 5.238 5.054/6.052 5.371 ± 0.6585
ea05 1342 1342/1342 1342 ± 0.00004479 5.519 5.246/6.477 5.626 ± 0.818
ea06 1342 1342/1342 1342 ± 0.00001004 5.348 4.932/6.042 5.362 ± 0.6327
ea07 1342 1342/1342 1342 ± 0.00004181 5.249 5.111/6.364 5.561 ± 0.812
ea08 1342 1342/1342 1342 ± 0.00003721 5.795 5.442/6.899 5.927 ± 0.9082
ea09 1342 1342/1342 1342 ± 0.00003905 5.271 5.11/5.921 5.38 ± 0.7748
ea10 1342 1342/1342 1342 ± 0.00004375 5.142 4.807/6.016 5.219 ± 0.7334
ea11 1342 1342/1342 1342 ± 0.00004889 5.376 4.814/6.138 5.315 ± 0.8214
ea13 1342 1342/1342 1342 ± 0.000001149 5.605 5.351/6.318 5.697 ± 0.6123
ea14 1342 1342/1342 1342 ± 0.00004366 5.575 5.357/6.642 5.736 ± 0.8197
ea15 1342 1342/1342 1342 ± 0.00004659 5.586 5.438/6.695 5.755 ± 0.9157
ea16 1342 1342/1342 1342 ± 0.000008878 5.953 5.394/6.635 5.908 ± 0.8138
ea17 1342 1342/1342 1342 ± 0.0000423 5.805 5.41/6.686 5.889 ± 0.8992
ea18 1342 1342/1342 1342 ± 0.00003218 5.888 5.486/6.97 5.989 ± 0.9275
ea19 1342 1342/1342 1342 ± 0.00002244 5.429 5.281/6.446 5.608 ± 0.786
ea20 1342 1342/1342 1342 ± 0.000009296 5.783 5.618/6.464 5.951 ± 0.6931
ea21 1342 1342/1342 1342 ± 0 5.212 4.982/5.874 5.309 ± 0.5828
ea22 1342 1342/1342 1342 ± 0.00003923 5.784 5.326/6.658 5.794 ± 0.8514
ea23 1342 1342/1342 1342 ± 0.00004286 5.625 5.198/6.443 5.688 ± 0.818
ea24 1342 1342/1342 1342 ± 0 5.296 5.212/6.532 5.712 ± 0.7404
ea25 1342 1342/1342 1342 ± 0.000006073 5.892 5.516/6.77 6.179 ± 0.8205
ea27 1342 1342/1342 1342 ± 0.000005853 5.338 5.053/6.512 5.503 ± 0.8477
ea28 1342 1342/1342 1342 ± 0 5.865 5.729/6.735 6.056 ± 0.7634
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 ± 0.00002362 5.374 5.075/5.431 5.316 ± 0.2351
5 1342 1342/1342 1342 ± 0.00002413 5.33 5.103/5.526 5.317 ± 0.3411
6 1342 1342/1342 1342 ± 0.00002349 5.399 5.162/5.639 5.394 ± 0.2856
7 1342 1342/1342 1342 ± 0.00002349 5.421 5.225/5.628 5.393 ± 0.2571
8 1342 1342/1342 1342 ± 0.00002349 5.395 5.184/5.621 5.381 ± 0.2749
9 1342 1342/1342 1342 ± 0.00002349 5.656 5.559/5.911 5.684 ± 0.3028
10 1342 1342/1342 1342 ± 0.00002393 6.25 6.02/6.385 6.185 ± 0.3071
11 1342 1342/1342 1342 ± 0.00002349 6.509 6.293/6.662 6.474 ± 0.275
12 1342 1342/1342 1342 ± 0.00002349 6.672 6.425/6.88 6.641 ± 0.3317
13 1342 1342/1342 1342 ± 0.00002349 6.804 6.566/7.124 6.817 ± 0.3807
14 1342 1342/1342 1342 ± 0.00003825 5.475 5.19/6.019 5.68 ± 0.6773
15 1342 1342/1342 1342 ± 0.00002349 6.585 6.097/6.926 6.498 ± 0.5086
16 1342 1342/1342 1342 ± 0.00006088 4.39 4.184/4.642 4.46 ± 0.4067
17 1342 1342/1342 1342 ± 0.00006089 4.284 4.089/4.523 4.317 ± 0.3236
overwrite_modelcol
False
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-07-19 17:08:17.746
End
2025-07-19 18:16:15.583
Duration
1:07:57.837
Note, WebLog generation is not included in the time.

CASA logs for stage 8