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 5.092 4.997/5.719 5.326 ± 0.4208
ea02 1342 1342/1342 1342 ± 0 6.007 5.692/6.421 6.198 ± 0.5695
ea03 1342 1342/1342 1342 ± 0 5.997 5.499/6.645 6.094 ± 0.6151
ea04 1342 1342/1342 1342 ± 0.000001835 5.482 5.237/6.016 5.592 ± 0.4716
ea05 1342 1342/1342 1342 ± 0.000009331 5.609 5.365/6.424 5.859 ± 0.5586
ea06 1342 1342/1342 1342 ± 0.00000594 5.613 5.151/6.038 5.721 ± 0.561
ea07 1342 1342/1342 1342 ± 0 5.673 5.308/6.227 5.883 ± 0.6379
ea08 1342 1342/1342 1342 ± 0 6.116 5.81/6.716 6.311 ± 0.5842
ea09 1342 1342/1342 1342 ± 0 5.586 5.188/6.335 5.723 ± 0.5596
ea10 1342 1342/1342 1342 ± 0 5.337 5.046/5.982 5.51 ± 0.5241
ea11 1342 1342/1342 1342 ± 0.00003872 5.485 4.878/6.112 5.532 ± 0.6031
ea12 1342 1342/1342 1342 ± 0.00001303 5.464 5.345/6.22 5.709 ± 0.5222
ea13 1342 1342/1342 1342 ± 0 5.934 5.63/6.388 6.027 ± 0.6063
ea14 1342 1342/1342 1342 ± 0 5.98 5.613/6.551 6.094 ± 0.5238
ea15 1342 1342/1342 1342 ± 0.00002091 5.876 5.582/6.671 6.144 ± 0.6542
ea17 1342 1342/1342 1342 ± 0 5.906 5.761/6.922 6.194 ± 0.6448
ea18 1342 1342/1342 1342 ± 0 6.276 5.988/7.071 6.495 ± 0.6062
ea19 1342 1342/1342 1342 ± 0.00003045 5.653 5.456/6.466 5.922 ± 0.5256
ea20 1342 1342/1342 1342 ± 0 5.864 5.61/6.637 6.107 ± 0.5404
ea21 1342 1342/1342 1342 ± 0.000007877 5.3 5.158/5.863 5.539 ± 0.4634
ea22 1342 1342/1342 1342 ± 0 6.028 5.875/6.835 6.28 ± 0.5897
ea23 1342 1342/1342 1342 ± 0 5.671 5.381/6.245 5.863 ± 0.6079
ea24 1342 1342/1342 1342 ± 0 5.979 5.372/6.521 5.954 ± 0.5604
ea25 1342 1342/1342 1342 ± 0.000001298 6.385 5.714/6.808 6.41 ± 0.7239
ea28 1342 1342/1342 1342 ± 0 6.259 5.812/6.981 6.353 ± 0.6375
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 5.497 5.333/5.659 5.493 ± 0.2824
5 1342 1342/1342 1342 ± 0.00002393 5.437 5.251/5.619 5.461 ± 0.3081
6 1342 1342/1342 1342 ± 0.00002393 5.308 5.036/5.536 5.31 ± 0.3232
7 1342 1342/1342 1342 ± 0.00002393 5.445 5.245/5.651 5.46 ± 0.2675
8 1342 1342/1342 1342 ± 0.00002393 5.389 5.202/5.626 5.395 ± 0.2949
9 1342 1342/1342 1342 ± 0.00002393 5.659 5.548/5.918 5.682 ± 0.3162
10 1342 1342/1342 1342 ± 0.00002393 6.1 5.974/6.311 6.084 ± 0.2903
11 1342 1342/1342 1342 ± 0.00002393 6.315 6.071/6.503 6.292 ± 0.3251
12 1342 1342/1342 1342 ± 0.00002393 6.466 6.216/6.649 6.438 ± 0.3572
13 1342 1342/1342 1342 ± 0.00002393 6.927 6.542/7.139 6.872 ± 0.3847
14 1342 1342/1342 1342 ± 0.00002393 6.895 6.506/7.258 6.861 ± 0.469
15 1342 1342/1342 1342 ± 0.00002393 6.728 6.425/7.053 6.697 ± 0.379
16 1342 1342/1342 1342 ± 0.00003739 5.676 5.366/6.02 5.682 ± 0.428
17 1342 1342/1342 1342 ± 0.00003764 5.637 5.38/5.939 5.621 ± 0.4033
datacolumn
residual_data
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-19 03:17:48.616
End
2025-07-19 04:03:11.778
Duration
0:45:23.162
Note, WebLog generation is not included in the time.

CASA logs for stage 8