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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.593 5.424/6.269 5.632 ± 0.86
ea02 1342 1342/1342 1342 ± 0.00004332 5.562 5.348/6.5 5.636 ± 0.8637
ea03 1342 1342/1342 1342 ± 0.000003446 5.51 5.27/6.269 5.716 ± 0.7213
ea04 1342 1342/1342 1342 ± 0.00004429 5.229 4.965/6.002 5.274 ± 0.7458
ea05 1342 1342/1342 1342 ± 0.00004557 5.442 5.041/6.437 5.518 ± 0.8795
ea06 1342 1342/1342 1342 ± 0.00001462 5.145 4.943/6.103 5.322 ± 0.7081
ea07 1342 1342/1342 1342 ± 0.00004239 5.23 5.056/6.341 5.452 ± 0.8738
ea08 1342 1342/1342 1342 ± 0.00003849 5.643 5.349/6.785 5.79 ± 0.9643
ea09 1342 1342/1342 1342 ± 0.00004271 5.187 4.838/5.882 5.274 ± 0.8231
ea10 1342 1342/1342 1342 ± 0.00004324 5.091 4.714/5.986 5.126 ± 0.7806
ea11 1342 1342/1342 1342 ± 0.00005044 5.339 4.688/6.144 5.255 ± 0.894
ea13 1342 1342/1342 1342 ± 0.00001018 5.439 5.093/6.099 5.471 ± 0.6134
ea14 1342 1342/1342 1342 ± 0.00004444 5.52 5.197/6.568 5.638 ± 0.8819
ea15 1342 1342/1342 1342 ± 0.00004804 5.648 5.358/6.643 5.71 ± 0.9467
ea16 1342 1342/1342 1342 ± 0.0000137 5.788 5.421/6.586 5.833 ± 0.8578
ea17 1342 1342/1342 1342 ± 0.00004264 5.823 5.248/6.646 5.791 ± 0.9816
ea18 1342 1342/1342 1342 ± 0.00003567 5.789 5.459/6.797 5.833 ± 0.9672
ea19 1342 1342/1342 1342 ± 0.0000286 5.391 5.324/6.43 5.539 ± 0.8658
ea20 1342 1342/1342 1342 ± 0.00001917 5.559 5.265/6.077 5.556 ± 0.6923
ea21 1342 1342/1342 1342 ± 0.000003979 5.134 4.961/5.727 5.231 ± 0.592
ea22 1342 1342/1342 1342 ± 0.00004097 5.576 5.182/6.504 5.625 ± 0.8793
ea23 1342 1342/1342 1342 ± 0.00004419 5.718 5.239/6.492 5.71 ± 0.9154
ea24 1342 1342/1342 1342 ± 0.000004349 5.023 4.905/6.256 5.449 ± 0.7442
ea25 1342 1342/1342 1342 ± 0.000009482 6.059 5.373/6.888 6.109 ± 0.8406
ea27 1342 1342/1342 1342 ± 0.00000858 5.318 4.922/6.417 5.421 ± 0.899
ea28 1342 1342/1342 1342 ± 0.000007521 5.666 5.478/6.365 5.83 ± 0.7713
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 ± 0.00002348 5.34 5.067/5.421 5.253 ± 0.2538
5 1342 1342/1342 1342 ± 0.0000275 5.122 4.876/5.356 5.113 ± 0.3261
6 1342 1342/1342 1342 ± 0.00002348 5.297 5.093/5.508 5.285 ± 0.2629
7 1342 1342/1342 1342 ± 0.00002348 5.36 5.186/5.543 5.338 ± 0.2443
8 1342 1342/1342 1342 ± 0.00002348 5.351 5.114/5.547 5.327 ± 0.2809
9 1342 1342/1342 1342 ± 0.00002348 5.581 5.469/5.897 5.618 ± 0.3073
10 1342 1342/1342 1342 ± 0.00002392 6.141 5.972/6.298 6.123 ± 0.283
11 1342 1342/1342 1342 ± 0.00002348 6.461 6.127/6.583 6.393 ± 0.2619
12 1342 1342/1342 1342 ± 0.00002348 6.599 6.361/6.768 6.555 ± 0.3182
13 1342 1342/1342 1342 ± 0.00002348 6.658 6.398/6.944 6.683 ± 0.3558
14 1342 1342/1342 1342 ± 0.00004235 5.203 4.932/5.766 5.399 ± 0.6493
15 1342 1342/1342 1342 ± 0.00002348 6.572 6.103/6.914 6.479 ± 0.5017
16 1342 1342/1342 1342 ± 0.00006031 4.134 3.945/4.387 4.196 ± 0.3683
17 1342 1342/1342 1342 ± 0.00006028 4.036 3.859/4.267 4.081 ± 0.3187
statwtmode
VLASS-SE
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-07-19 15:08:48.147
End
2025-07-19 16:20:01.508
Duration
1:11:13.361
Note, WebLog generation is not included in the time.

CASA logs for stage 8