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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.467 5.213/6.284 5.627 ± 0.8728
ea02 1342 1342/1342 1342 ± 0.00001324 5.602 5.172/6.334 5.618 ± 0.8837
ea03 1342 1342/1342 1342 ± 0.000005105 5.182 5.096/6.584 5.698 ± 0.8472
ea04 1342 1342/1342 1342 ± 0.00004622 5.109 4.892/6.006 5.239 ± 0.7204
ea05 1342 1342/1342 1342 ± 0.00004863 5.311 5.034/6.313 5.481 ± 0.8329
ea06 1342 1342/1342 1342 ± 0.00001647 4.893 4.788/5.887 5.296 ± 0.7293
ea07 1342 1342/1342 1342 ± 0.00001436 5.118 4.831/6.104 5.362 ± 0.8742
ea08 1342 1342/1342 1342 ± 0 5.694 5.225/6.614 5.795 ± 0.8697
ea09 1342 1342/1342 1342 ± 0.00004627 5.079 4.777/6.026 5.226 ± 0.7508
ea10 1342 1342/1342 1342 ± 0.00004352 4.931 4.441/5.876 5.023 ± 0.8223
ea11 1342 1342/1342 1342 ± 0.00004972 5.158 4.533/6.277 5.263 ± 0.9036
ea12 1342 1342/1342 1342 ± 0.00004286 5.112 4.907/5.862 5.239 ± 0.7539
ea14 1342 1342/1342 1342 ± 0.0000477 5.438 5.213/6.398 5.544 ± 0.825
ea15 1342 1342/1342 1342 ± 0.00004941 5.303 5.228/6.465 5.535 ± 0.9043
ea16 1342 1342/1342 1342 ± 0.00001968 5.627 5.127/6.555 5.793 ± 0.8092
ea17 1342 1342/1342 1342 ± 0.00002719 5.437 5.114/6.361 5.639 ± 0.9414
ea18 1342 1342/1342 1342 ± 0 5.62 5.383/6.707 5.886 ± 0.8586
ea19 1342 1342/1342 1342 ± 0.00004126 5.37 5.165/6.238 5.545 ± 0.802
ea21 1342 1342/1342 1342 ± 0.000004107 4.929 4.795/5.773 5.191 ± 0.6446
ea22 1342 1342/1342 1342 ± 0.000001249 5.496 5.006/6.286 5.575 ± 0.7812
ea23 1342 1342/1342 1342 ± 0.00004751 5.486 5.099/6.295 5.566 ± 0.884
ea24 1342 1342/1342 1342 ± 0.000006482 5.287 5.101/6.219 5.6 ± 0.6799
ea25 1342 1342/1342 1342 ± 0.00001199 5.624 5.257/6.756 6.005 ± 0.9251
ea27 1342 1342/1342 1342 ± 0.000006482 5.254 4.941/6.348 5.527 ± 0.7673
ea28 1342 1342/1342 1342 ± 0.000009329 5.654 5.533/6.755 5.94 ± 0.822
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 5.124 4.922/5.227 5.061 ± 0.3
4 1342 1342/1342 1342 ± 0.00005603 3.377 3.278/3.46 3.423 ± 0.2815
5 1342 1342/1342 1342 ± 0.00002497 5.101 4.808/5.284 5.077 ± 0.3248
6 1342 1342/1342 1342 ± 0.00002393 5.117 4.908/5.366 5.12 ± 0.2662
7 1342 1342/1342 1342 ± 0.00002393 5.174 5.055/5.312 5.156 ± 0.2336
8 1342 1342/1342 1342 ± 0.00002393 5.124 4.94/5.265 5.103 ± 0.2565
9 1342 1342/1342 1342 ± 0.00002393 5.457 5.264/5.639 5.421 ± 0.2603
10 1342 1342/1342 1342 ± 0.00002393 6.022 5.873/6.16 5.985 ± 0.2535
11 1342 1342/1342 1342 ± 0.00002393 6.313 6.101/6.403 6.27 ± 0.2612
12 1342 1342/1342 1342 ± 0.00002393 6.466 6.298/6.61 6.435 ± 0.2976
13 1342 1342/1342 1342 ± 0.00002394 6.714 6.402/7.035 6.725 ± 0.3427
14 1342 1342/1342 1342 ± 0.00005113 5.944 5.582/6.358 6.045 ± 0.6177
15 1342 1342/1342 1342 ± 0.00002393 6.556 6.267/6.899 6.587 ± 0.3703
16 1342 1342/1342 1342 ± 0.00006098 4.191 3.939/4.597 4.29 ± 0.4194
17 1342 1342/1342 1342 ± 0.00006089 4.152 3.965/4.441 4.23 ± 0.3573
datacolumn
residual_data
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-22 21:19:54.395
End
2025-07-22 22:16:22.081
Duration
0:56:27.687
Note, WebLog generation is not included in the time.

CASA logs for stage 8