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 5.378 5.215/5.946 5.564 ± 0.461
ea02 1342 1342/1342 1342 ± 0 6.2 5.702/6.5 6.265 ± 0.5886
ea03 1342 1342/1342 1342 ± 0 6.266 5.509/6.75 6.241 ± 0.6873
ea04 1342 1342/1342 1342 ± 0.00003056 5.58 5.266/6.083 5.71 ± 0.5108
ea05 1342 1342/1342 1342 ± 0.00002904 5.706 5.462/6.62 5.939 ± 0.6281
ea06 1342 1342/1342 1342 ± 0 5.986 5.184/6.135 5.794 ± 0.6071
ea07 1342 1342/1342 1342 ± 0 6.004 5.298/6.339 5.958 ± 0.683
ea08 1342 1342/1342 1342 ± 0 6.332 5.751/6.874 6.411 ± 0.6385
ea09 1342 1342/1342 1342 ± 0.000005051 5.618 5.212/6.472 5.747 ± 0.6432
ea10 1342 1342/1342 1342 ± 0 5.444 5.199/6.076 5.601 ± 0.5399
ea11 1342 1342/1342 1342 ± 0.00004185 5.382 5.036/6.241 5.631 ± 0.6269
ea12 1342 1342/1342 1342 ± 0.0000319 5.537 5.39/6.332 5.838 ± 0.5706
ea13 1342 1342/1342 1342 ± 0 5.909 5.677/6.516 6.078 ± 0.6482
ea14 1342 1342/1342 1342 ± 0 5.911 5.661/6.639 6.165 ± 0.5717
ea15 1342 1342/1342 1342 ± 0.00003683 5.928 5.696/6.764 6.205 ± 0.6928
ea17 1342 1342/1342 1342 ± 0 6.235 5.831/7.082 6.365 ± 0.6564
ea18 1342 1342/1342 1342 ± 0 6.493 5.918/7.15 6.476 ± 0.6699
ea19 1342 1342/1342 1342 ± 0.00002757 5.838 5.429/6.529 5.98 ± 0.594
ea20 1342 1342/1342 1342 ± 0 5.757 5.542/6.644 6.001 ± 0.6185
ea21 1342 1342/1342 1342 ± 0 5.368 5.103/5.903 5.554 ± 0.494
ea22 1342 1342/1342 1342 ± 0 6.345 5.931/6.964 6.413 ± 0.6672
ea23 1342 1342/1342 1342 ± 0 5.778 5.542/6.411 6.056 ± 0.6359
ea24 1342 1342/1342 1342 ± 0 5.988 5.456/6.683 6.007 ± 0.6218
ea25 1342 1342/1342 1342 ± 0 6.509 5.748/6.96 6.525 ± 0.7779
ea28 1342 1342/1342 1342 ± 0 6.03 5.746/7.035 6.343 ± 0.641
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 5.514 5.361/5.739 5.528 ± 0.2834
4 1342 1342/1342 1342 ± 0.00002687 5.238 5.085/5.44 5.271 ± 0.3407
5 1342 1342/1342 1342 ± 0.00002393 5.457 5.274/5.698 5.496 ± 0.2936
6 1342 1342/1342 1342 ± 0.00002393 5.446 5.245/5.696 5.441 ± 0.2909
7 1342 1342/1342 1342 ± 0.00002393 5.542 5.285/5.721 5.5 ± 0.2628
8 1342 1342/1342 1342 ± 0.00002393 5.452 5.27/5.659 5.435 ± 0.2852
9 1342 1342/1342 1342 ± 0.00002393 5.708 5.571/5.941 5.739 ± 0.3084
10 1342 1342/1342 1342 ± 0.00002393 6.25 6.05/6.399 6.189 ± 0.2885
11 1342 1342/1342 1342 ± 0.00002393 6.402 6.206/6.602 6.399 ± 0.3182
12 1342 1342/1342 1342 ± 0.00002393 6.532 6.328/6.753 6.542 ± 0.3523
13 1342 1342/1342 1342 ± 0.00002393 7.067 6.717/7.275 6.994 ± 0.3775
14 1342 1342/1342 1342 ± 0.00002393 7.166 6.799/7.393 7.109 ± 0.4216
15 1342 1342/1342 1342 ± 0.00002393 6.936 6.59/7.187 6.853 ± 0.3789
16 1342 1342/1342 1342 ± 0.00004461 5.89 5.63/6.406 5.979 ± 0.4459
17 1342 1342/1342 1342 ± 0.00004961 5.879 5.562/6.198 5.864 ± 0.4087
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-19 07:07:20.514
End
2025-07-19 07:52:11.834
Duration
0:44:51.320
Note, WebLog generation is not included in the time.

CASA logs for stage 8