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

Statwt Summary Plot

VLASS3.2.sb45651824.eb45865366.60434.814344212966_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 6.195 5.206/6.565 5.976 ± 0.8445
ea02 1342 1342/1342 1342 ± 0 6.224 5.576/6.472 6.183 ± 0.6615
ea03 1342 1342/1342 1342 ± 0 6.262 5.254/6.652 6.049 ± 0.7668
ea04 1342 1342/1342 1342 ± 0.00001559 5.469 4.973/5.817 5.44 ± 0.5137
ea05 1342 1342/1342 1342 ± 0.000005109 5.794 5.318/6.542 5.949 ± 0.6309
ea06 1342 1342/1342 1342 ± 0 5.927 4.972/6.078 5.722 ± 0.681
ea07 1342 1342/1342 1342 ± 0 6.094 5.084/6.234 5.872 ± 0.7366
ea08 1342 1342/1342 1342 ± 0 6.464 5.565/6.784 6.267 ± 0.7879
ea09 1342 1342/1342 1342 ± 0.00000198 5.875 5.054/6.362 5.784 ± 0.6923
ea10 1342 1342/1342 1342 ± 0.00001279 5.401 4.93/6.033 5.46 ± 0.6358
ea11 1342 1342/1342 1342 ± 0.00001778 5.313 4.882/6.103 5.505 ± 0.6923
ea12 1342 1342/1342 1342 ± 0.00001634 5.503 5.123/6.282 5.7 ± 0.6244
ea13 1342 1342/1342 1342 ± 0 6.216 5.493/6.276 6.028 ± 0.5573
ea14 1342 1342/1342 1342 ± 0 5.959 5.527/6.494 6.045 ± 0.6045
ea15 1342 1342/1342 1342 ± 0.000007466 6.46 5.668/6.751 6.375 ± 0.735
ea16 1342 1342/1342 1342 ± 0 6.312 5.538/6.671 6.189 ± 0.7986
ea17 1342 1342/1342 1342 ± 0.00001776 6.233 5.498/6.971 6.172 ± 0.745
ea18 1342 1342/1342 1342 ± 0 6.365 5.716/7.221 6.442 ± 0.7752
ea19 1342 1342/1342 1342 ± 0 5.963 4.823/6.571 5.784 ± 0.8496
ea20 1342 1342/1342 1342 ± 0 6.952 6.569/7.07 6.917 ± 0.2872
ea21 1342 1342/1342 1342 ± 0 5.631 5.017/5.935 5.571 ± 0.5413
ea22 1342 1342/1342 1342 ± 0 6.295 5.458/6.694 6.046 ± 0.7881
ea23 1342 1342/1342 1342 ± 0 5.864 5.231/6.341 5.888 ± 0.7589
ea24 1342 1342/1342 1342 ± 0 6.164 5.085/6.513 5.815 ± 0.7741
ea25 1342 1342/1342 1342 ± 0 6.544 5.33/7.023 6.346 ± 0.9359
ea27 1342 1342/1342 1342 ± 0 5.919 5.089/6.4 5.803 ± 0.6921
ea28 1342 1342/1342 1342 ± 0 6.587 5.607/6.993 6.412 ± 0.7582
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 5.05 4.817/5.288 5.063 ± 0.3163
4 1342 1342/1342 1342 ± 0.00004763 4.963 4.748/5.373 4.979 ± 0.3458
5 1342 1342/1342 1342 ± 0.00002349 5.27 5.077/5.593 5.303 ± 0.3059
6 1342 1342/1342 1342 ± 0.00002349 5.177 4.976/5.538 5.209 ± 0.3018
7 1342 1342/1342 1342 ± 0.00002349 5.23 4.999/5.414 5.215 ± 0.258
8 1342 1342/1342 1342 ± 0.00002349 5.13 5.011/5.399 5.16 ± 0.2872
9 1342 1342/1342 1342 ± 0.00002349 5.392 5.179/5.748 5.456 ± 0.2848
10 1342 1342/1342 1342 ± 0.00002394 6.128 6.023/6.28 6.122 ± 0.28
11 1342 1342/1342 1342 ± 0.00002349 6.35 6.153/6.459 6.335 ± 0.2952
12 1342 1342/1342 1342 ± 0.00002343 6.505 6.247/6.686 6.485 ± 0.3352
13 1342 1342/1342 1342 ± 0.00002333 6.98 6.616/7.187 6.928 ± 0.3607
14 1342 1342/1342 1342 ± 0.00002343 7.149 6.854/7.425 7.131 ± 0.393
15 1342 1342/1342 1342 ± 0.00002343 6.798 6.555/7.173 6.796 ± 0.4115
16 1342 1342/1342 1342 ± 0.00002915 6.173 5.835/6.444 6.152 ± 0.4519
17 1342 1342/1342 1342 ± 0.00002643 6.226 5.928/6.422 6.13 ± 0.426
vis
VLASS3.2.sb45651824.eb45865366.60434.814344212966_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-24 13:10:48.893
End
2025-07-24 14:22:55.608
Duration
1:12:06.715
Note, WebLog generation is not included in the time.

CASA logs for stage 8