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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.262 5.703/6.68 6.25 ± 0.6288
ea02 1342 1342/1342 1342 ± 0 6.36 5.754/6.664 6.312 ± 0.6228
ea03 1342 1342/1342 1342 ± 0 6.17 5.473/6.783 6.221 ± 0.7273
ea04 1342 1342/1342 1342 ± 0 5.62 5.102/6.064 5.68 ± 0.5522
ea05 1342 1342/1342 1342 ± 0 5.848 5.433/6.656 5.989 ± 0.6426
ea06 1342 1342/1342 1342 ± 0 5.998 5.159/6.147 5.757 ± 0.6178
ea07 1342 1342/1342 1342 ± 0 6.079 5.322/6.438 5.96 ± 0.6713
ea08 1342 1342/1342 1342 ± 0 6.648 5.709/6.884 6.465 ± 0.6634
ea09 1342 1342/1342 1342 ± 0 5.741 5.26/6.494 5.888 ± 0.6446
ea10 1342 1342/1342 1342 ± 0 5.581 5.153/6.002 5.582 ± 0.5188
ea11 1342 1342/1342 1342 ± 0.000001549 5.458 5.219/6.327 5.716 ± 0.6621
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.749 5.528/6.209 5.894 ± 0.4595
ea14 1342 1342/1342 1342 ± 0 6.236 5.622/6.512 6.182 ± 0.5428
ea15 1342 1342/1342 1342 ± 0 6.246 5.713/6.698 6.292 ± 0.6723
ea16 1342 1342/1342 1342 ± 0 6.307 5.863/6.82 6.395 ± 0.6917
ea17 1342 1342/1342 1342 ± 0 6.219 5.764/6.963 6.346 ± 0.6574
ea18 1342 1342/1342 1342 ± 0 6.406 5.839/7.001 6.371 ± 0.6177
ea19 1342 1342/1342 1342 ± 0 6.112 5.512/6.622 6.087 ± 0.5893
ea20 1342 1342/1342 1342 ± 0 5.885 5.64/6.673 6.103 ± 0.5726
ea21 1342 1342/1342 1342 ± 0 5.544 5.165/5.989 5.629 ± 0.5013
ea22 1342 1342/1342 1342 ± 0 6.343 5.656/6.741 6.234 ± 0.6361
ea23 1342 1342/1342 1342 ± 0 6.316 5.605/6.451 6.204 ± 0.6554
ea24 1342 1342/1342 1342 ± 0 6.057 5.226/6.581 5.928 ± 0.6347
ea25 1342 1342/1342 1342 ± 0 6.43 5.724/6.958 6.444 ± 0.7546
ea27 1342 1342/1342 1342 ± 0 6.109 5.413/6.586 6.009 ± 0.6606
ea28 1342 1342/1342 1342 ± 0 6.278 5.746/6.923 6.348 ± 0.6091
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 ± 0.00002351 5.555 5.399/5.707 5.549 ± 0.2522
4 1342 1342/1342 1342 ± 0.00002399 5.4 5.236/5.726 5.475 ± 0.3258
5 1342 1342/1342 1342 ± 0.00002351 5.438 5.181/5.638 5.425 ± 0.2999
6 1342 1342/1342 1342 ± 0.00002351 5.458 5.209/5.655 5.444 ± 0.2833
7 1342 1342/1342 1342 ± 0.00002351 5.538 5.356/5.717 5.505 ± 0.2497
8 1342 1342/1342 1342 ± 0.00002351 5.492 5.224/5.644 5.438 ± 0.2699
9 1342 1342/1342 1342 ± 0.00002351 5.785 5.62/5.962 5.753 ± 0.275
10 1342 1342/1342 1342 ± 0.00002351 6.202 6.106/6.319 6.185 ± 0.2374
11 1342 1342/1342 1342 ± 0.00002351 6.474 6.258/6.574 6.405 ± 0.2551
12 1342 1342/1342 1342 ± 0.00002351 6.616 6.311/6.785 6.549 ± 0.2989
13 1342 1342/1342 1342 ± 0.00002351 7.006 6.811/7.263 6.982 ± 0.3266
14 1342 1342/1342 1342 ± 0.00002351 7.221 6.885/7.473 7.205 ± 0.3465
15 1342 1342/1342 1342 ± 0.00002351 6.941 6.653/7.205 6.907 ± 0.3723
16 1342 1342/1342 1342 ± 0.00002351 6.309 5.876/6.609 6.262 ± 0.4113
17 1342 1342/1342 1342 ± 0.00002351 6.29 6.008/6.512 6.228 ± 0.3712
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
overwrite_modelcol
False
Start time
2025-08-02 22:48:02.318
End
2025-08-02 23:21:16.477
Duration
0:33:14.159
Note, WebLog generation is not included in the time.

CASA logs for stage 8