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 6.109 5.809/6.734 6.24 ± 0.6945
ea02 1342 1342/1342 1342 ± 0 6.307 5.75/6.611 6.254 ± 0.7331
ea03 1342 1342/1342 1342 ± 0 5.961 5.476/6.65 6.105 ± 0.7794
ea04 1342 1342/1342 1342 ± 0.000001545 5.661 5.191/6.108 5.67 ± 0.6844
ea05 1342 1342/1342 1342 ± 0.000001545 5.97 5.546/6.521 6.026 ± 0.6853
ea06 1342 1342/1342 1342 ± 0 5.834 5.199/6.162 5.734 ± 0.7209
ea07 1342 1342/1342 1342 ± 0 6.287 5.447/6.677 6.13 ± 0.774
ea08 1342 1342/1342 1342 ± 0 6.806 5.866/7.013 6.537 ± 0.6946
ea09 1342 1342/1342 1342 ± 0.000001545 5.741 5.267/6.46 5.756 ± 0.9975
ea10 1342 1342/1342 1342 ± 0.000001093 5.772 5.356/6.233 5.735 ± 0.7413
ea11 1342 1342/1342 1342 ± 0 5.83 5.5/6.556 5.957 ± 0.7451
ea12 1342 1342/1342 1342 ± 0.000001892 5.587 5.352/6.251 5.785 ± 0.6868
ea13 1342 1342/1342 1342 ± 0 6.306 5.643/6.44 5.966 ± 0.9631
ea14 1342 1342/1342 1342 ± 0 6.148 5.763/6.653 6.195 ± 0.7
ea15 1342 1342/1342 1342 ± 0 6.845 6.78/7.434 7.04 ± 0.4254
ea17 1342 1342/1342 1342 ± 0 6.344 5.907/6.991 6.408 ± 0.7886
ea18 1342 1342/1342 1342 ± 0 6.391 5.953/7.007 6.499 ± 0.68
ea19 1342 1342/1342 1342 ± 0 6.004 5.644/6.638 6.101 ± 0.6982
ea20 1342 1342/1342 1342 ± 0 6.56 6.081/7.133 6.629 ± 0.704
ea21 1342 1342/1342 1342 ± 0 5.464 5.197/5.985 5.558 ± 0.5977
ea22 1342 1342/1342 1342 ± 0 6.146 5.649/6.568 6.155 ± 0.6359
ea23 1342 1342/1342 1342 ± 0.000008302 6.202 5.696/6.529 6.158 ± 0.791
ea24 1342 1342/1342 1342 ± 0 6.278 5.276/6.669 6.017 ± 0.6635
ea25 1342 1342/1342 1342 ± 0 6.437 5.785/7.066 6.491 ± 0.889
ea27 1342 1342/1342 1342 ± 0 5.62 5.299/6.39 5.736 ± 0.7241
ea28 1342 1342/1342 1342 ± 0 6.34 5.891/7.172 6.504 ± 0.7463
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 5.639 5.398/5.781 5.617 ± 0.2593
3 1342 1342/1342 1342 ± 0.00002439 4.545 4.125/4.817 4.5 ± 0.7369
4 1342 1342/1342 1342 ± 0.00002538 5.422 5.213/5.689 5.476 ± 0.3324
5 1342 1342/1342 1342 ± 0.00002392 5.659 5.281/5.853 5.617 ± 0.3062
6 1342 1342/1342 1342 ± 0.00002392 5.545 5.344/5.792 5.546 ± 0.2855
7 1342 1342/1342 1342 ± 0.00002392 5.65 5.444/5.855 5.627 ± 0.2602
8 1342 1342/1342 1342 ± 0.00002392 5.505 5.258/5.808 5.543 ± 0.3177
9 1342 1342/1342 1342 ± 0.00002392 5.813 5.628/6.079 5.836 ± 0.3064
10 1342 1342/1342 1342 ± 0.00002348 6.348 6.129/6.451 6.321 ± 0.2842
11 1342 1342/1342 1342 ± 0.00002348 6.519 6.29/6.685 6.527 ± 0.2873
12 1342 1342/1342 1342 ± 0.00002348 6.678 6.419/6.809 6.664 ± 0.3303
13 1342 1342/1342 1342 ± 0.00002348 7.148 6.846/7.479 7.141 ± 0.359
14 1342 1342/1342 1342 ± 0.00002348 7.323 6.994/7.66 7.308 ± 0.3691
15 1342 1342/1342 1342 ± 0.00002348 7.01 6.613/7.338 6.987 ± 0.384
16 1342 1342/1342 1342 ± 0.00002423 6.396 6.006/6.839 6.407 ± 0.4374
17 1342 1342/1342 1342 ± 0.00002353 6.417 6.017/6.728 6.368 ± 0.4083
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-29 16:11:09.022
End
2025-07-29 17:19:05.520
Duration
1:07:56.498
Note, WebLog generation is not included in the time.

CASA logs for stage 8