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 5.83 5.729/6.645 6.035 ± 0.7331
ea02 1342 1342/1342 1342 ± 0 6.213 5.626/6.533 6.176 ± 0.7252
ea03 1342 1342/1342 1342 ± 0.000005278 6.167 5.444/6.792 6.097 ± 0.7626
ea04 1342 1342/1342 1342 ± 0.00002421 5.45 5.082/6.07 5.508 ± 0.6403
ea05 1342 1342/1342 1342 ± 0.00002112 5.693 5.46/6.661 5.878 ± 0.7245
ea06 1342 1342/1342 1342 ± 0 5.816 5.112/6.116 5.716 ± 0.6884
ea07 1342 1342/1342 1342 ± 0 5.939 5.113/6.218 5.777 ± 0.7942
ea08 1342 1342/1342 1342 ± 0 6.174 5.567/6.721 6.172 ± 0.707
ea09 1342 1342/1342 1342 ± 0.000003659 5.591 5.2/6.456 5.709 ± 0.668
ea10 1342 1342/1342 1342 ± 0 5.535 5.28/6.25 5.698 ± 0.6144
ea11 1342 1342/1342 1342 ± 0.00004082 5.594 5.127/6.509 5.695 ± 0.8356
ea12 1342 1342/1342 1342 ± 0.00003443 5.534 5.361/6.344 5.731 ± 0.6906
ea14 1342 1342/1342 1342 ± 0 5.786 5.564/6.629 6.032 ± 0.659
ea15 1342 1342/1342 1342 ± 0.00003158 5.849 5.68/6.784 6.099 ± 0.8345
ea16 1342 1342/1342 1342 ± 0 6.188 5.73/6.789 6.259 ± 0.7193
ea17 1342 1342/1342 1342 ± 0 6.259 5.709/7.156 6.33 ± 0.7184
ea18 1342 1342/1342 1342 ± 0 6.579 5.904/7.171 6.436 ± 0.7713
ea19 1342 1342/1342 1342 ± 0.00003265 5.819 5.472/6.748 6.002 ± 0.7516
ea20 1342 1342/1342 1342 ± 0 6.195 6.024/7.171 6.432 ± 0.7666
ea22 1342 1342/1342 1342 ± 0 5.734 5.338/6.355 5.768 ± 0.6304
ea23 1342 1342/1342 1342 ± 0 5.762 5.552/6.466 6.037 ± 0.7108
ea24 1342 1342/1342 1342 ± 0 6.203 5.332/6.707 5.994 ± 0.768
ea25 1342 1342/1342 1342 ± 0 6.561 5.666/6.991 6.385 ± 0.9157
ea27 1342 1342/1342 1342 ± 0 5.75 5.482/6.602 5.93 ± 0.7178
ea28 1342 1342/1342 1342 ± 0 6.303 5.827/7.17 6.362 ± 0.766
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 ± 0.00002396 5.491 5.316/5.709 5.526 ± 0.2691
3 1342 1342/1342 1342 ± 0.00002681 4.257 3.804/4.667 4.277 ± 0.4841
4 1342 1342/1342 1342 ± 0.00002424 4.896 4.731/5.014 4.872 ± 0.3008
5 1342 1342/1342 1342 ± 0.00002396 5.471 5.296/5.762 5.495 ± 0.297
6 1342 1342/1342 1342 ± 0.00002396 5.471 5.277/5.7 5.473 ± 0.2574
7 1342 1342/1342 1342 ± 0.00002396 5.55 5.383/5.722 5.519 ± 0.2562
8 1342 1342/1342 1342 ± 0.00002396 5.507 5.264/5.67 5.47 ± 0.3025
9 1342 1342/1342 1342 ± 0.00002396 5.745 5.592/5.983 5.787 ± 0.2911
10 1342 1342/1342 1342 ± 0.00002396 6.271 6.067/6.372 6.257 ± 0.2644
11 1342 1342/1342 1342 ± 0.00002396 6.522 6.215/6.667 6.489 ± 0.2879
12 1342 1342/1342 1342 ± 0.00002396 6.647 6.459/6.794 6.653 ± 0.3312
13 1342 1342/1342 1342 ± 0.00002396 7.124 6.899/7.393 7.122 ± 0.3478
14 1342 1342/1342 1342 ± 0.00002396 7.208 6.917/7.433 7.196 ± 0.3921
15 1342 1342/1342 1342 ± 0.00002396 6.898 6.661/7.172 6.903 ± 0.313
16 1342 1342/1342 1342 ± 0.00004749 5.892 5.635/6.277 5.956 ± 0.4178
17 1342 1342/1342 1342 ± 0.00004519 5.937 5.7/6.259 5.961 ± 0.3808
overwrite_modelcol
False
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-31 01:14:33.608
End
2025-07-31 01:51:42.085
Duration
0:37:08.477
Note, WebLog generation is not included in the time.

CASA logs for stage 8