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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 5.912 5.402/6.515 5.954 ± 0.8169
ea02 1342 1342/1342 1342 ± 0 6.059 5.464/6.41 6.001 ± 0.7635
ea03 1342 1342/1342 1342 ± 0 6.123 5.378/6.759 6.109 ± 0.785
ea04 1342 1342/1342 1342 ± 0 5.55 4.99/6.014 5.484 ± 0.6836
ea05 1342 1342/1342 1342 ± 0 5.931 5.256/6.685 5.883 ± 0.7703
ea06 1342 1342/1342 1342 ± 0 5.893 5.022/6.1 5.7 ± 0.6676
ea07 1342 1342/1342 1342 ± 0 5.844 5.125/6.34 5.8 ± 0.8447
ea08 1342 1342/1342 1342 ± 0 6.339 5.609/6.787 6.277 ± 0.7608
ea09 1342 1342/1342 1342 ± 0 5.658 5.062/6.409 5.752 ± 0.6659
ea10 1342 1342/1342 1342 ± 0 5.54 4.981/6.001 5.458 ± 0.7391
ea11 1342 1342/1342 1342 ± 0 5.343 5.08/6.204 5.53 ± 0.7599
ea13 1342 1342/1342 1342 ± 0 6.101 5.45/6.344 5.984 ± 0.5992
ea14 1342 1342/1342 1342 ± 0 5.915 5.422/6.486 5.867 ± 0.8825
ea15 1342 1342/1342 1342 ± 0 6.16 5.543/6.571 6.134 ± 0.7005
ea16 1342 1342/1342 1342 ± 0 6.196 5.586/6.726 6.124 ± 0.8145
ea17 1342 1342/1342 1342 ± 0 6.232 5.627/7.079 6.214 ± 0.8921
ea18 1342 1342/1342 1342 ± 0 6.378 5.85/7.005 6.429 ± 0.7586
ea19 1342 1342/1342 1342 ± 0 6.034 5.347/6.597 5.912 ± 0.7519
ea20 1342 1342/1342 1342 ± 0 5.88 5.46/6.368 5.939 ± 0.7111
ea21 1342 1342/1342 1342 ± 0 5.615 5.161/6.082 5.643 ± 0.5569
ea22 1342 1342/1342 1342 ± 0 6.186 5.606/6.707 6.187 ± 0.7703
ea23 1342 1342/1342 1342 ± 0 6.06 5.372/6.382 5.937 ± 0.8884
ea24 1342 1342/1342 1342 ± 0 6.058 5.255/6.46 5.838 ± 0.6329
ea25 1342 1342/1342 1342 ± 0 6.529 5.68/7.003 6.393 ± 0.9133
ea27 1342 1342/1342 1342 ± 0 5.805 5.136/6.504 5.744 ± 0.8066
ea28 1342 1342/1342 1342 ± 0 6.334 5.647/6.938 6.306 ± 0.6532
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 ± 0.00002349 5.414 5.258/5.587 5.426 ± 0.2383
3 1342 1342/1342 1342 ± 0.00003001 4.146 3.827/4.663 4.238 ± 0.5933
4 1342 1342/1342 1342 ± 0.00002416 5.08 4.871/5.28 5.075 ± 0.2436
5 1342 1342/1342 1342 ± 0.00002349 5.344 5.064/5.603 5.33 ± 0.3015
6 1342 1342/1342 1342 ± 0.00002349 5.289 5.034/5.419 5.267 ± 0.2858
7 1342 1342/1342 1342 ± 0.00002349 5.437 5.259/5.588 5.415 ± 0.2466
8 1342 1342/1342 1342 ± 0.00002349 5.368 5.158/5.54 5.369 ± 0.2697
9 1342 1342/1342 1342 ± 0.00002349 5.68 5.573/5.904 5.704 ± 0.279
10 1342 1342/1342 1342 ± 0.00002349 6.188 6.064/6.314 6.173 ± 0.2529
11 1342 1342/1342 1342 ± 0.00002349 6.378 6.194/6.567 6.383 ± 0.2546
12 1342 1342/1342 1342 ± 0.00002349 6.53 6.333/6.753 6.547 ± 0.3138
13 1342 1342/1342 1342 ± 0.00002349 6.994 6.689/7.233 6.981 ± 0.3285
14 1342 1342/1342 1342 ± 0.00002349 7.222 6.897/7.438 7.192 ± 0.3529
15 1342 1342/1342 1342 ± 0.00002349 6.818 6.59/7.176 6.873 ± 0.3651
16 1342 1342/1342 1342 ± 0.00002349 6.161 5.928/6.46 6.215 ± 0.4132
17 1342 1342/1342 1342 ± 0.00002349 6.239 5.987/6.403 6.208 ± 0.3511
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-29 05:41:15.196
End
2025-07-29 06:35:03.305
Duration
0:53:48.109
Note, WebLog generation is not included in the time.

CASA logs for stage 8