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 5.388 5.203/6.403 5.76 ± 0.6806
ea02 1342 1342/1342 1342 ± 0.00004346 5.717 5.279/6.448 5.828 ± 0.6634
ea03 1342 1342/1342 1342 ± 0.000006168 5.174 4.912/6.427 5.645 ± 0.809
ea04 1342 1342/1342 1342 ± 0.00004317 5.35 5.046/6.178 5.561 ± 0.6596
ea05 1342 1342/1342 1342 ± 0.0000471 5.518 5.118/6.476 5.749 ± 0.7669
ea06 1342 1342/1342 1342 ± 0.000004161 5.057 4.673/5.792 5.298 ± 0.6969
ea07 1342 1342/1342 1342 ± 0.00004261 5.454 4.991/6.252 5.595 ± 0.6949
ea08 1342 1342/1342 1342 ± 0.00004299 5.907 5.417/6.685 5.96 ± 0.7521
ea09 1342 1342/1342 1342 ± 0.00004114 4.887 4.676/5.602 5.168 ± 0.5867
ea10 1342 1342/1342 1342 ± 0.00004558 4.76 4.556/5.4 4.876 ± 0.4363
ea11 1342 1342/1342 1342 ± 0.0000431 5.738 4.806/6.623 5.719 ± 0.8874
ea12 1342 1342/1342 1342 ± 0.00003917 5.281 4.871/6.041 5.452 ± 0.6737
ea14 1342 1342/1342 1342 ± 0.00004289 5.889 5.207/6.501 5.811 ± 0.7359
ea15 1342 1342/1342 1342 ± 0.00004348 5.424 4.998/6.28 5.639 ± 0.8005
ea16 1342 1342/1342 1342 ± 0.00001027 5.725 5.174/6.228 5.724 ± 0.7023
ea17 1342 1342/1342 1342 ± 0.00004325 5.885 5.276/6.692 6.045 ± 0.8065
ea18 1342 1342/1342 1342 ± 0.0000416 5.85 5.381/6.642 5.928 ± 0.7553
ea19 1342 1342/1342 1342 ± 0.00002524 5.357 5.11/6.335 5.642 ± 0.7432
ea20 1342 1342/1342 1342 ± 0.00002098 5.465 5.154/6.185 5.744 ± 0.6723
ea21 1342 1342/1342 1342 ± 0.000003917 5.043 4.732/5.731 5.244 ± 0.5676
ea22 1342 1342/1342 1342 ± 0.00004254 5.606 5.145/6.434 5.759 ± 0.683
ea23 1342 1342/1342 1342 ± 0.00004268 5.872 5.091/6.487 5.851 ± 0.7695
ea24 1342 1342/1342 1342 ± 0.000007121 5.192 4.703/5.946 5.338 ± 0.615
ea25 1342 1342/1342 1342 ± 0 5.765 5.291/6.656 6.028 ± 0.8976
ea27 1342 1342/1342 1342 ± 0.000009181 5.217 4.767/6.171 5.406 ± 0.7622
ea28 1342 1342/1342 1342 ± 0.00001577 5.377 5.101/6.27 5.722 ± 0.7157
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 ± 0.00002365 5.011 4.736/5.254 5.004 ± 0.2814
5 1342 1342/1342 1342 ± 0.0000276 5.079 4.814/5.388 5.113 ± 0.3712
6 1342 1342/1342 1342 ± 0.00002352 4.929 4.769/5.167 4.973 ± 0.2928
7 1342 1342/1342 1342 ± 0.0000235 5.161 4.959/5.358 5.136 ± 0.2834
8 1342 1342/1342 1342 ± 0.0000235 5.151 4.908/5.416 5.148 ± 0.3398
9 1342 1342/1342 1342 ± 0.00002353 5.444 5.227/5.757 5.432 ± 0.342
10 1342 1342/1342 1342 ± 0.00002348 5.956 5.726/6.249 5.947 ± 0.3325
11 1342 1342/1342 1342 ± 0.00002348 6.195 6.061/6.476 6.221 ± 0.33
12 1342 1342/1342 1342 ± 0.00002348 6.425 6.186/6.603 6.375 ± 0.3595
13 1342 1342/1342 1342 ± 0.00002393 6.925 6.708/7.098 6.87 ± 0.3532
14 1342 1342/1342 1342 ± 0.00002393 6.746 6.454/6.959 6.727 ± 0.3831
15 1342 1342/1342 1342 ± 0.00002855 6.191 5.969/6.392 6.144 ± 0.3633
16 1342 1342/1342 1342 ± 0.00005861 4.817 4.637/5.038 4.841 ± 0.2976
17 1342 1342/1342 1342 ± 0.00005945 4.894 4.726/5.097 4.911 ± 0.2839
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-07-26 19:40:22.918
End
2025-07-26 20:51:45.496
Duration
1:11:22.578
Note, WebLog generation is not included in the time.

CASA logs for stage 8