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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.048 5.656/6.864 6.117 ± 0.8185
ea02 1342 1342/1342 1342 ± 0 6.265 5.607/6.582 6.116 ± 0.7782
ea03 1342 1342/1342 1342 ± 0 6.162 5.451/6.721 6.162 ± 0.7023
ea04 1342 1342/1342 1342 ± 0.000003378 5.709 5.168/6.132 5.661 ± 0.703
ea05 1342 1342/1342 1342 ± 0 6.043 5.397/6.511 5.913 ± 0.7541
ea06 1342 1342/1342 1342 ± 0 6.019 5.224/6.181 5.804 ± 0.7142
ea07 1342 1342/1342 1342 ± 0 5.957 5.392/6.548 5.984 ± 0.7577
ea08 1342 1342/1342 1342 ± 0 6.467 5.754/6.855 6.412 ± 0.6527
ea09 1342 1342/1342 1342 ± 0 5.71 5.215/6.421 5.749 ± 0.8431
ea10 1342 1342/1342 1342 ± 0 5.697 5.182/6.139 5.629 ± 0.7993
ea11 1342 1342/1342 1342 ± 0.000001668 5.71 5.311/6.381 5.738 ± 0.7879
ea12 1342 1342/1342 1342 ± 0 5.554 5.321/6.164 5.701 ± 0.7109
ea13 1342 1342/1342 1342 ± 0 6.211 5.602/6.375 6.038 ± 0.6194
ea14 1342 1342/1342 1342 ± 0 6.061 5.616/6.542 6.06 ± 0.7754
ea15 1342 1342/1342 1342 ± 0 6.755 6.675/7.287 6.922 ± 0.4119
ea17 1342 1342/1342 1342 ± 0 6.214 5.813/6.87 6.233 ± 0.8811
ea18 1342 1342/1342 1342 ± 0 6.466 5.925/7.099 6.432 ± 0.6642
ea19 1342 1342/1342 1342 ± 0 6.007 5.562/6.54 6.007 ± 0.7398
ea20 1342 1342/1342 1342 ± 0 6.756 6.023/7.108 6.472 ± 0.7406
ea21 1342 1342/1342 1342 ± 0 5.463 5.173/5.941 5.551 ± 0.5456
ea22 1342 1342/1342 1342 ± 0 6.239 5.666/6.809 6.259 ± 0.6986
ea23 1342 1342/1342 1342 ± 0.000001667 5.962 5.508/6.304 5.937 ± 0.8039
ea24 1342 1342/1342 1342 ± 0 6.163 5.34/6.495 5.92 ± 0.6564
ea25 1342 1342/1342 1342 ± 0 6.352 5.757/6.967 6.422 ± 0.8149
ea27 1342 1342/1342 1342 ± 0 5.64 5.274/6.351 5.707 ± 0.7338
ea28 1342 1342/1342 1342 ± 0 6.281 5.801/7.059 6.384 ± 0.7843
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 ± 0.00002399 5.559 5.415/5.757 5.582 ± 0.2542
3 1342 1342/1342 1342 ± 0.00002613 4.143 3.894/4.677 4.326 ± 0.6844
4 1342 1342/1342 1342 ± 0.00002399 5.351 5.226/5.667 5.444 ± 0.3063
5 1342 1342/1342 1342 ± 0.00002403 5.382 5.2/5.669 5.411 ± 0.287
6 1342 1342/1342 1342 ± 0.00002399 5.399 5.175/5.681 5.417 ± 0.2969
7 1342 1342/1342 1342 ± 0.00002399 5.564 5.356/5.776 5.558 ± 0.2471
8 1342 1342/1342 1342 ± 0.00002399 5.509 5.227/5.679 5.474 ± 0.288
9 1342 1342/1342 1342 ± 0.00002399 5.751 5.582/5.963 5.77 ± 0.283
10 1342 1342/1342 1342 ± 0.00002357 6.246 6.153/6.338 6.234 ± 0.2605
11 1342 1342/1342 1342 ± 0.00002357 6.437 6.218/6.593 6.434 ± 0.2644
12 1342 1342/1342 1342 ± 0.00002357 6.511 6.32/6.757 6.562 ± 0.3186
13 1342 1342/1342 1342 ± 0.00002357 7.041 6.712/7.231 7.013 ± 0.3246
14 1342 1342/1342 1342 ± 0.00002357 7.285 6.99/7.545 7.228 ± 0.3339
15 1342 1342/1342 1342 ± 0.00002357 6.856 6.568/7.244 6.905 ± 0.3715
16 1342 1342/1342 1342 ± 0.0000236 6.356 6.023/6.795 6.375 ± 0.4224
17 1342 1342/1342 1342 ± 0.00002357 6.356 6.068/6.687 6.34 ± 0.4025
overwrite_modelcol
False
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-07-30 02:39:11.235
End
2025-07-30 03:37:20.876
Duration
0:58:09.641
Note, WebLog generation is not included in the time.

CASA logs for stage 8