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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.685 5.545/6.515 5.857 ± 0.7563
ea02 1342 1342/1342 1342 ± 0 6.02 5.491/6.422 5.986 ± 0.7871
ea03 1342 1342/1342 1342 ± 0 6.047 5.377/6.683 5.961 ± 0.7365
ea04 1342 1342/1342 1342 ± 0.000008478 5.3 4.92/5.932 5.324 ± 0.6584
ea05 1342 1342/1342 1342 ± 0.000008409 5.547 5.211/6.356 5.667 ± 0.7419
ea06 1342 1342/1342 1342 ± 0 5.564 4.99/6.002 5.557 ± 0.6696
ea07 1342 1342/1342 1342 ± 0 5.725 5.017/6.096 5.601 ± 0.8191
ea08 1342 1342/1342 1342 ± 0 5.923 5.383/6.507 5.952 ± 0.7333
ea09 1342 1342/1342 1342 ± 0 5.549 5.048/6.259 5.593 ± 0.6619
ea10 1342 1342/1342 1342 ± 0 5.288 5.013/6.061 5.443 ± 0.6528
ea11 1342 1342/1342 1342 ± 0.00003922 5.471 4.995/6.31 5.5 ± 0.8398
ea12 1342 1342/1342 1342 ± 0.00003129 5.375 5.198/6.211 5.528 ± 0.7025
ea14 1342 1342/1342 1342 ± 0 5.634 5.405/6.413 5.822 ± 0.6646
ea15 1342 1342/1342 1342 ± 0.00002557 5.77 5.515/6.637 5.927 ± 0.8324
ea16 1342 1342/1342 1342 ± 0 5.963 5.592/6.628 6.067 ± 0.7091
ea17 1342 1342/1342 1342 ± 0 6.048 5.566/6.929 6.091 ± 0.7448
ea18 1342 1342/1342 1342 ± 0 6.414 5.742/7.038 6.266 ± 0.7805
ea19 1342 1342/1342 1342 ± 0.00002764 5.597 5.316/6.626 5.806 ± 0.7394
ea20 1342 1342/1342 1342 ± 0 6.216 5.825/6.988 6.265 ± 0.7725
ea22 1342 1342/1342 1342 ± 0 5.536 5.168/6.143 5.541 ± 0.6202
ea23 1342 1342/1342 1342 ± 0 5.555 5.368/6.323 5.778 ± 0.7384
ea24 1342 1342/1342 1342 ± 0 6.163 5.136/6.55 5.816 ± 0.7819
ea25 1342 1342/1342 1342 ± 0 6.424 5.556/6.844 6.261 ± 0.8838
ea27 1342 1342/1342 1342 ± 0 5.581 5.326/6.437 5.746 ± 0.703
ea28 1342 1342/1342 1342 ± 0 6.287 5.75/7.05 6.271 ± 0.7886
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 5.389 5.179/5.616 5.413 ± 0.2872
3 1342 1342/1342 1342 ± 0.00002617 4.063 3.663/4.681 4.136 ± 0.4977
4 1342 1342/1342 1342 ± 0.00002983 4.634 4.413/4.797 4.609 ± 0.2845
5 1342 1342/1342 1342 ± 0.00002392 5.366 5.107/5.634 5.369 ± 0.3077
6 1342 1342/1342 1342 ± 0.00002392 5.286 5.04/5.487 5.248 ± 0.2505
7 1342 1342/1342 1342 ± 0.00002392 5.37 5.168/5.56 5.363 ± 0.2597
8 1342 1342/1342 1342 ± 0.00002392 5.353 5.114/5.519 5.341 ± 0.2977
9 1342 1342/1342 1342 ± 0.00002392 5.633 5.455/5.843 5.641 ± 0.2901
10 1342 1342/1342 1342 ± 0.00002392 6.131 5.92/6.241 6.109 ± 0.2616
11 1342 1342/1342 1342 ± 0.00002392 6.366 6.047/6.486 6.335 ± 0.282
12 1342 1342/1342 1342 ± 0.00002392 6.491 6.299/6.638 6.499 ± 0.3215
13 1342 1342/1342 1342 ± 0.00002392 6.93 6.753/7.168 6.95 ± 0.3447
14 1342 1342/1342 1342 ± 0.00002392 6.872 6.542/7.245 6.911 ± 0.4348
15 1342 1342/1342 1342 ± 0.00002392 6.76 6.451/7.038 6.732 ± 0.3383
16 1342 1342/1342 1342 ± 0.00003687 5.773 5.495/6.173 5.85 ± 0.4463
17 1342 1342/1342 1342 ± 0.00004229 5.672 5.487/6.07 5.759 ± 0.3785
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
overwrite_modelcol
False
Start time
2025-07-31 08:51:36.697
End
2025-07-31 09:58:45.029
Duration
1:07:08.332
Note, WebLog generation is not included in the time.

CASA logs for stage 8