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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.436 5.174/6.257 5.593 ± 0.923
ea02 1342 1342/1342 1342 ± 0.00002616 5.546 5.139/6.312 5.518 ± 0.9724
ea03 1342 1342/1342 1342 ± 0.000003482 5.277 5.082/6.559 5.613 ± 0.8924
ea04 1342 1342/1342 1342 ± 0.00004719 5.091 4.875/5.997 5.238 ± 0.7542
ea05 1342 1342/1342 1342 ± 0.00004906 5.298 5.022/6.28 5.419 ± 0.9169
ea06 1342 1342/1342 1342 ± 0.000008225 4.832 4.755/5.836 5.216 ± 0.7443
ea07 1342 1342/1342 1342 ± 0.00003312 4.924 4.792/6.095 5.293 ± 0.9265
ea08 1342 1342/1342 1342 ± 0.000002713 5.546 5.174/6.619 5.682 ± 0.9616
ea09 1342 1342/1342 1342 ± 0.00004683 5.024 4.777/5.955 5.178 ± 0.8002
ea10 1342 1342/1342 1342 ± 0.00004908 4.849 4.401/5.85 4.994 ± 0.8194
ea11 1342 1342/1342 1342 ± 0.00004976 5.163 4.459/6.247 5.226 ± 0.9549
ea12 1342 1342/1342 1342 ± 0.00004377 5.056 4.876/5.855 5.251 ± 0.7246
ea14 1342 1342/1342 1342 ± 0.00004866 5.347 5.225/6.372 5.551 ± 0.7997
ea15 1342 1342/1342 1342 ± 0.00004934 5.296 4.887/6.425 5.521 ± 0.9509
ea16 1342 1342/1342 1342 ± 0.00001247 5.577 5.122/6.529 5.696 ± 0.891
ea17 1342 1342/1342 1342 ± 0.00004365 5.394 5.022/6.349 5.582 ± 0.9442
ea18 1342 1342/1342 1342 ± 0 5.492 5.277/6.685 5.79 ± 0.8909
ea19 1342 1342/1342 1342 ± 0.00003704 5.276 5.108/6.209 5.505 ± 0.8065
ea21 1342 1342/1342 1342 ± 0.000004404 4.893 4.76/5.725 5.116 ± 0.6827
ea22 1342 1342/1342 1342 ± 0.000001566 5.438 4.945/6.232 5.474 ± 0.8387
ea23 1342 1342/1342 1342 ± 0.00004688 5.445 5.042/6.277 5.585 ± 0.8554
ea24 1342 1342/1342 1342 ± 0.00001864 5.178 4.997/6.39 5.553 ± 0.7964
ea25 1342 1342/1342 1342 ± 0.000006818 5.683 5.243/6.729 5.909 ± 0.9505
ea27 1342 1342/1342 1342 ± 0.00001177 5.118 4.914/6.344 5.46 ± 0.8076
ea28 1342 1342/1342 1342 ± 0.00002389 5.624 5.512/6.717 5.866 ± 0.9231
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 ± 0.00002395 5.085 4.909/5.212 5.038 ± 0.3141
4 1342 1342/1342 1342 ± 0.0000588 3.629 3.505/3.972 3.739 ± 0.3131
5 1342 1342/1342 1342 ± 0.00002406 5.091 4.853/5.318 5.082 ± 0.3086
6 1342 1342/1342 1342 ± 0.00002395 5.086 4.879/5.336 5.076 ± 0.2617
7 1342 1342/1342 1342 ± 0.00002395 5.14 5.019/5.272 5.127 ± 0.2296
8 1342 1342/1342 1342 ± 0.00002395 5.091 4.921/5.241 5.085 ± 0.2548
9 1342 1342/1342 1342 ± 0.00002395 5.44 5.229/5.657 5.411 ± 0.2625
10 1342 1342/1342 1342 ± 0.00002395 5.985 5.829/6.13 5.961 ± 0.2599
11 1342 1342/1342 1342 ± 0.00002395 6.289 6.092/6.375 6.242 ± 0.2637
12 1342 1342/1342 1342 ± 0.00002395 6.443 6.237/6.59 6.409 ± 0.3047
13 1342 1342/1342 1342 ± 0.00002395 6.728 6.498/7.01 6.744 ± 0.3246
14 1342 1342/1342 1342 ± 0.00004362 6.182 5.895/6.416 6.234 ± 0.4811
15 1342 1342/1342 1342 ± 0.00002395 6.549 6.28/6.902 6.585 ± 0.3668
16 1342 1342/1342 1342 ± 0.00006092 4.401 4.18/4.698 4.468 ± 0.3951
17 1342 1342/1342 1342 ± 0.00006103 4.278 4.065/4.546 4.349 ± 0.3892
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
Start time
2025-08-05 04:09:53.265
End
2025-08-05 04:37:47.558
Duration
0:27:54.293
Note, WebLog generation is not included in the time.

CASA logs for stage 8