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 5.576 5.399/6.211 5.694 ± 0.7232
ea02 1342 1342/1342 1342 ± 0.0000191 5.489 5.296/6.34 5.636 ± 0.7347
ea03 1342 1342/1342 1342 ± 0 5.408 5.242/6.201 5.706 ± 0.6108
ea04 1342 1342/1342 1342 ± 0.00003649 5.238 4.97/6.053 5.327 ± 0.6473
ea05 1342 1342/1342 1342 ± 0.0000423 5.288 5.074/6.267 5.478 ± 0.7536
ea06 1342 1342/1342 1342 ± 0 5.216 4.859/5.965 5.33 ± 0.5901
ea07 1342 1342/1342 1342 ± 0.00002341 5.165 4.974/6.158 5.455 ± 0.7335
ea08 1342 1342/1342 1342 ± 0.000005853 5.57 5.444/6.708 5.803 ± 0.8814
ea09 1342 1342/1342 1342 ± 0.00002431 5.11 4.895/5.646 5.282 ± 0.5896
ea10 1342 1342/1342 1342 ± 0.00003542 4.754 4.484/4.987 4.649 ± 0.4551
ea11 1342 1342/1342 1342 ± 0.00004491 5.564 4.946/6.371 5.556 ± 0.8551
ea12 1342 1342/1342 1342 ± 0.00002787 5.164 4.877/5.861 5.245 ± 0.65
ea14 1342 1342/1342 1342 ± 0.0000388 5.42 5.219/6.305 5.583 ± 0.7094
ea15 1342 1342/1342 1342 ± 0.00004356 5.458 5.371/6.294 5.652 ± 0.7824
ea16 1342 1342/1342 1342 ± 0 5.815 5.316/6.412 5.826 ± 0.7152
ea17 1342 1342/1342 1342 ± 0.00003048 5.696 5.229/6.545 5.83 ± 0.8119
ea18 1342 1342/1342 1342 ± 0.00002197 5.734 5.487/6.677 5.822 ± 0.8913
ea19 1342 1342/1342 1342 ± 0.000011 5.364 5.182/6.267 5.516 ± 0.6956
ea20 1342 1342/1342 1342 ± 0 5.897 5.711/6.801 6.199 ± 0.6698
ea21 1342 1342/1342 1342 ± 0 5.07 4.962/5.804 5.31 ± 0.5284
ea22 1342 1342/1342 1342 ± 0.000004141 5.535 5.109/6.336 5.564 ± 0.7692
ea23 1342 1342/1342 1342 ± 0.00003549 5.601 5.089/6.354 5.656 ± 0.7644
ea24 1342 1342/1342 1342 ± 0 5.456 5.159/6.323 5.718 ± 0.631
ea25 1342 1342/1342 1342 ± 0 5.906 5.472/6.745 6.119 ± 0.7488
ea27 1342 1342/1342 1342 ± 0 5.184 4.986/6.144 5.353 ± 0.695
ea28 1342 1342/1342 1342 ± 0 5.84 5.687/6.747 6.165 ± 0.6634
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 ± 0.00002348 5.267 5.033/5.39 5.235 ± 0.2589
5 1342 1342/1342 1342 ± 0.00002349 5.179 4.868/5.449 5.161 ± 0.3543
6 1342 1342/1342 1342 ± 0.00002348 5.197 4.979/5.494 5.23 ± 0.2714
7 1342 1342/1342 1342 ± 0.00002348 5.306 5.144/5.518 5.304 ± 0.2703
8 1342 1342/1342 1342 ± 0.00002348 5.305 5.073/5.528 5.282 ± 0.3232
9 1342 1342/1342 1342 ± 0.00002348 5.614 5.399/5.853 5.572 ± 0.3321
10 1342 1342/1342 1342 ± 0.00002348 6.049 5.861/6.205 6.016 ± 0.3308
11 1342 1342/1342 1342 ± 0.00002348 6.338 6.158/6.545 6.297 ± 0.3487
12 1342 1342/1342 1342 ± 0.00002348 6.478 6.191/6.644 6.437 ± 0.424
13 1342 1342/1342 1342 ± 0.00002348 6.728 6.494/7.001 6.706 ± 0.5338
14 1342 1342/1342 1342 ± 0.00002781 5.508 5.268/6.039 5.768 ± 0.7131
15 1342 1342/1342 1342 ± 0.00002348 6.308 6.071/6.687 6.3 ± 0.4748
16 1342 1342/1342 1342 ± 0.0000571 4.453 4.275/4.817 4.611 ± 0.5281
17 1342 1342/1342 1342 ± 0.00005782 4.348 4.167/4.568 4.457 ± 0.4317
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-27 03:05:57.230
End
2025-07-27 03:54:46.091
Duration
0:48:48.861
Note, WebLog generation is not included in the time.

CASA logs for stage 8