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 5.312 5.207/5.883 5.509 ± 0.4454
ea02 1342 1342/1342 1342 ± 0 6.068 5.773/6.499 6.265 ± 0.5739
ea03 1342 1342/1342 1342 ± 0.000002563 6.168 5.522/6.744 6.202 ± 0.6659
ea04 1342 1342/1342 1342 ± 0.00002194 5.544 5.284/6.086 5.689 ± 0.5052
ea05 1342 1342/1342 1342 ± 0.00001959 5.685 5.431/6.581 5.917 ± 0.632
ea06 1342 1342/1342 1342 ± 0.00001103 5.836 5.172/6.112 5.797 ± 0.5937
ea07 1342 1342/1342 1342 ± 0 5.837 5.352/6.326 5.96 ± 0.6653
ea08 1342 1342/1342 1342 ± 0 6.22 5.878/6.859 6.396 ± 0.6223
ea09 1342 1342/1342 1342 ± 0.000005561 5.572 5.212/6.432 5.729 ± 0.6281
ea10 1342 1342/1342 1342 ± 0 5.387 5.2/6.052 5.597 ± 0.536
ea11 1342 1342/1342 1342 ± 0.00004192 5.378 4.97/6.207 5.616 ± 0.6201
ea12 1342 1342/1342 1342 ± 0.00003422 5.55 5.428/6.313 5.821 ± 0.549
ea13 1342 1342/1342 1342 ± 0 5.89 5.685/6.504 6.072 ± 0.6522
ea14 1342 1342/1342 1342 ± 0 5.989 5.677/6.61 6.175 ± 0.5587
ea15 1342 1342/1342 1342 ± 0.00003465 5.943 5.687/6.747 6.204 ± 0.6864
ea17 1342 1342/1342 1342 ± 0 6.089 5.833/7.067 6.333 ± 0.6614
ea18 1342 1342/1342 1342 ± 0 6.321 5.943/7.115 6.472 ± 0.6558
ea19 1342 1342/1342 1342 ± 0.00003447 5.714 5.463/6.528 5.979 ± 0.5867
ea20 1342 1342/1342 1342 ± 0 5.965 5.686/6.771 6.164 ± 0.5908
ea21 1342 1342/1342 1342 ± 0.000001928 5.282 5.144/5.89 5.553 ± 0.4864
ea22 1342 1342/1342 1342 ± 0 6.157 5.916/6.929 6.376 ± 0.6521
ea23 1342 1342/1342 1342 ± 0 5.684 5.538/6.363 6.028 ± 0.6263
ea24 1342 1342/1342 1342 ± 0 5.919 5.448/6.661 6.002 ± 0.6086
ea25 1342 1342/1342 1342 ± 0.00000486 6.484 5.756/6.933 6.492 ± 0.7593
ea28 1342 1342/1342 1342 ± 0 6.031 5.868/7.055 6.374 ± 0.6257
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 ± 0.00002393 5.543 5.396/5.743 5.555 ± 0.2915
4 1342 1342/1342 1342 ± 0.00003108 5.182 4.999/5.347 5.184 ± 0.2966
5 1342 1342/1342 1342 ± 0.00002393 5.461 5.308/5.741 5.527 ± 0.3047
6 1342 1342/1342 1342 ± 0.00002393 5.468 5.24/5.705 5.451 ± 0.3007
7 1342 1342/1342 1342 ± 0.00002393 5.513 5.3/5.733 5.512 ± 0.2673
8 1342 1342/1342 1342 ± 0.00002393 5.449 5.258/5.679 5.444 ± 0.2899
9 1342 1342/1342 1342 ± 0.00002393 5.704 5.585/5.97 5.745 ± 0.313
10 1342 1342/1342 1342 ± 0.00002393 6.233 6.033/6.404 6.177 ± 0.2942
11 1342 1342/1342 1342 ± 0.00002393 6.422 6.162/6.6 6.386 ± 0.325
12 1342 1342/1342 1342 ± 0.00002393 6.529 6.31/6.768 6.531 ± 0.3593
13 1342 1342/1342 1342 ± 0.00002393 7.072 6.651/7.243 6.978 ± 0.3781
14 1342 1342/1342 1342 ± 0.00002393 7.161 6.749/7.394 7.084 ± 0.4274
15 1342 1342/1342 1342 ± 0.00002393 6.893 6.548/7.149 6.823 ± 0.375
16 1342 1342/1342 1342 ± 0.00004639 5.814 5.568/6.227 5.853 ± 0.4193
17 1342 1342/1342 1342 ± 0.00004635 5.73 5.454/6.001 5.722 ± 0.3747
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
Start time
2025-07-19 12:57:51.217
End
2025-07-19 14:07:06.018
Duration
1:09:14.801
Note, WebLog generation is not included in the time.

CASA logs for stage 8