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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 5.995 5.64/6.602 6.106 ± 0.6913
ea02 1342 1342/1342 1342 ± 0 6.272 5.568/6.491 6.201 ± 0.6189
ea03 1342 1342/1342 1342 ± 0 6.174 5.429/6.816 6.21 ± 0.7617
ea04 1342 1342/1342 1342 ± 0 5.603 5.023/6.03 5.603 ± 0.59
ea05 1342 1342/1342 1342 ± 0 5.868 5.385/6.535 5.931 ± 0.7429
ea06 1342 1342/1342 1342 ± 0 6.088 5.091/6.285 5.815 ± 0.6851
ea07 1342 1342/1342 1342 ± 0 5.898 5.308/6.447 5.948 ± 0.7337
ea08 1342 1342/1342 1342 ± 0 6.482 5.708/6.881 6.434 ± 0.7057
ea09 1342 1342/1342 1342 ± 0 5.722 5.164/6.455 5.785 ± 0.642
ea10 1342 1342/1342 1342 ± 0 5.739 5.24/6.236 5.669 ± 0.8155
ea11 1342 1342/1342 1342 ± 0 5.633 5.272/6.527 5.802 ± 0.7515
ea12 1342 1342/1342 1342 ± 0 5.646 5.24/6.172 5.733 ± 0.7302
ea13 1342 1342/1342 1342 ± 0 6.034 5.632/6.394 6.068 ± 0.5007
ea14 1342 1342/1342 1342 ± 0 6.061 5.549/6.518 6.041 ± 0.7367
ea15 1342 1342/1342 1342 ± 0 6.195 5.565/6.606 6.16 ± 0.6776
ea16 1342 1342/1342 1342 ± 0 6.214 5.753/6.72 6.295 ± 0.6791
ea17 1342 1342/1342 1342 ± 0 6.139 5.753/6.892 6.29 ± 0.8342
ea18 1342 1342/1342 1342 ± 0 6.327 5.859/6.951 6.43 ± 0.7027
ea19 1342 1342/1342 1342 ± 0 5.942 5.439/6.541 6.028 ± 0.7606
ea20 1342 1342/1342 1342 ± 0 5.973 5.78/6.05 5.812 ± 0.4187
ea21 1342 1342/1342 1342 ± 0 5.458 5.068/5.865 5.517 ± 0.5074
ea22 1342 1342/1342 1342 ± 0 5.96 5.458/6.392 5.973 ± 0.6558
ea23 1342 1342/1342 1342 ± 0 6.182 5.407/6.311 6.027 ± 0.6509
ea24 1342 1342/1342 1342 ± 0 6.202 5.359/6.726 6.034 ± 0.695
ea25 1342 1342/1342 1342 ± 0 6.591 5.736/7.164 6.537 ± 0.8529
ea27 1342 1342/1342 1342 ± 0 6.006 5.361/6.443 5.91 ± 0.6073
ea28 1342 1342/1342 1342 ± 0 6.448 5.724/7.042 6.386 ± 0.6728
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 ± 0.00002306 5.467 5.293/5.637 5.482 ± 0.255
3 1342 1342/1342 1342 ± 0.00003256 4.56 4.371/4.978 4.68 ± 0.6254
4 1342 1342/1342 1342 ± 0.00002306 5.279 5.08/5.57 5.332 ± 0.3127
5 1342 1342/1342 1342 ± 0.00002306 5.388 5.165/5.68 5.451 ± 0.3003
6 1342 1342/1342 1342 ± 0.00002306 5.457 5.154/5.622 5.398 ± 0.2744
7 1342 1342/1342 1342 ± 0.00002306 5.489 5.353/5.702 5.502 ± 0.2491
8 1342 1342/1342 1342 ± 0.00002306 5.444 5.192/5.617 5.438 ± 0.2839
9 1342 1342/1342 1342 ± 0.00002306 5.775 5.616/5.948 5.76 ± 0.2925
10 1342 1342/1342 1342 ± 0.00002348 6.214 6.088/6.337 6.205 ± 0.257
11 1342 1342/1342 1342 ± 0.00002348 6.45 6.237/6.609 6.422 ± 0.2727
12 1342 1342/1342 1342 ± 0.00002348 6.555 6.349/6.766 6.567 ± 0.3197
13 1342 1342/1342 1342 ± 0.00002348 7.007 6.731/7.273 7.017 ± 0.3305
14 1342 1342/1342 1342 ± 0.00002348 7.256 6.979/7.405 7.207 ± 0.3568
15 1342 1342/1342 1342 ± 0.00002348 6.932 6.648/7.204 6.938 ± 0.3574
16 1342 1342/1342 1342 ± 0.00002348 6.296 6.029/6.657 6.32 ± 0.3853
17 1342 1342/1342 1342 ± 0.00002348 6.259 6.05/6.461 6.271 ± 0.3726
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-30 08:20:54.251
End
2025-07-30 09:05:07.228
Duration
0:44:12.977
Note, WebLog generation is not included in the time.

CASA logs for stage 8