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 5.024 4.935/5.611 5.243 ± 0.4288
ea02 1342 1342/1342 1342 ± 0 6.027 5.646/6.469 6.226 ± 0.5992
ea03 1342 1342/1342 1342 ± 0.000004612 6.096 5.453/6.695 6.114 ± 0.6772
ea04 1342 1342/1342 1342 ± 0.00002127 5.533 5.272/6.113 5.672 ± 0.529
ea05 1342 1342/1342 1342 ± 0.00002063 5.638 5.38/6.538 5.899 ± 0.64
ea06 1342 1342/1342 1342 ± 0.00001194 5.783 5.092/6.062 5.727 ± 0.62
ea07 1342 1342/1342 1342 ± 0 5.769 5.292/6.264 5.894 ± 0.6809
ea08 1342 1342/1342 1342 ± 0 6.188 5.714/6.812 6.341 ± 0.6506
ea09 1342 1342/1342 1342 ± 0.000007739 5.572 5.17/6.416 5.716 ± 0.6272
ea10 1342 1342/1342 1342 ± 0 5.312 5.138/6.051 5.553 ± 0.5635
ea11 1342 1342/1342 1342 ± 0.00004219 5.366 4.968/6.19 5.597 ± 0.6353
ea12 1342 1342/1342 1342 ± 0.00003217 5.491 5.341/6.252 5.734 ± 0.5766
ea13 1342 1342/1342 1342 ± 0 5.857 5.709/6.472 6.055 ± 0.6464
ea14 1342 1342/1342 1342 ± 0 5.952 5.591/6.584 6.127 ± 0.5765
ea15 1342 1342/1342 1342 ± 0.00003436 5.895 5.636/6.728 6.162 ± 0.7175
ea17 1342 1342/1342 1342 ± 0 6.014 5.777/6.985 6.277 ± 0.681
ea18 1342 1342/1342 1342 ± 0 6.23 5.935/7.043 6.423 ± 0.6557
ea19 1342 1342/1342 1342 ± 0.0000349 5.697 5.408/6.523 5.951 ± 0.6003
ea20 1342 1342/1342 1342 ± 0 5.905 5.626/6.718 6.092 ± 0.6074
ea21 1342 1342/1342 1342 ± 0.000002741 5.288 5.121/5.89 5.542 ± 0.5004
ea22 1342 1342/1342 1342 ± 0 6.1 5.88/6.905 6.325 ± 0.6583
ea23 1342 1342/1342 1342 ± 0 5.776 5.49/6.342 6 ± 0.6443
ea24 1342 1342/1342 1342 ± 0 5.899 5.368/6.632 5.967 ± 0.6263
ea25 1342 1342/1342 1342 ± 0.000005465 6.43 5.687/6.883 6.43 ± 0.7813
ea28 1342 1342/1342 1342 ± 0 5.994 5.838/7.019 6.346 ± 0.6361
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 ± 0.00002392 5.542 5.317/5.696 5.503 ± 0.3048
4 1342 1342/1342 1342 ± 0.00003009 4.917 4.829/5.155 4.966 ± 0.2792
5 1342 1342/1342 1342 ± 0.00002392 5.425 5.246/5.667 5.463 ± 0.3097
6 1342 1342/1342 1342 ± 0.00002392 5.299 5.077/5.567 5.301 ± 0.2944
7 1342 1342/1342 1342 ± 0.00002392 5.465 5.279/5.689 5.457 ± 0.2748
8 1342 1342/1342 1342 ± 0.00002392 5.399 5.194/5.626 5.392 ± 0.3004
9 1342 1342/1342 1342 ± 0.00002392 5.672 5.543/5.93 5.697 ± 0.3226
10 1342 1342/1342 1342 ± 0.00002392 6.198 5.996/6.351 6.135 ± 0.3005
11 1342 1342/1342 1342 ± 0.00002392 6.396 6.129/6.556 6.347 ± 0.3401
12 1342 1342/1342 1342 ± 0.00002392 6.524 6.25/6.723 6.491 ± 0.3696
13 1342 1342/1342 1342 ± 0.00002392 7.033 6.629/7.193 6.939 ± 0.3939
14 1342 1342/1342 1342 ± 0.00002392 7.144 6.774/7.358 7.047 ± 0.4444
15 1342 1342/1342 1342 ± 0.00002392 6.82 6.516/7.122 6.771 ± 0.3907
16 1342 1342/1342 1342 ± 0.00004637 5.775 5.528/6.18 5.807 ± 0.4246
17 1342 1342/1342 1342 ± 0.00004605 5.712 5.453/5.962 5.675 ± 0.3738
output_dir
 
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-19 10:50:09.610
End
2025-07-19 11:57:53.201
Duration
1:07:43.591
Note, WebLog generation is not included in the time.

CASA logs for stage 8