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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.801 4.637/5.229 4.905 ± 0.3748
ea02 1342 1342/1342 1342 ± 0 6.263 5.653/6.433 6.199 ± 0.5912
ea03 1342 1342/1342 1342 ± 0 6.099 5.441/6.603 6.104 ± 0.6883
ea04 1342 1342/1342 1342 ± 0.000004668 5.654 5.194/5.993 5.709 ± 0.5293
ea05 1342 1342/1342 1342 ± 0.00000177 5.67 5.405/6.452 5.868 ± 0.5994
ea06 1342 1342/1342 1342 ± 0 5.927 5.108/6.15 5.74 ± 0.6075
ea07 1342 1342/1342 1342 ± 0 6.047 5.233/6.245 5.892 ± 0.6828
ea08 1342 1342/1342 1342 ± 0 6.373 5.632/6.715 6.315 ± 0.6472
ea09 1342 1342/1342 1342 ± 0.000001252 5.702 5.15/6.348 5.685 ± 0.6325
ea10 1342 1342/1342 1342 ± 0 5.519 5.084/6.036 5.558 ± 0.5434
ea11 1342 1342/1342 1342 ± 0.00003084 5.236 5.051/6.162 5.519 ± 0.62
ea12 1342 1342/1342 1342 ± 0.00001183 5.411 5.278/6.089 5.711 ± 0.5487
ea13 1342 1342/1342 1342 ± 0 5.894 5.575/6.42 5.959 ± 0.641
ea14 1342 1342/1342 1342 ± 0 5.895 5.528/6.462 6.035 ± 0.5577
ea15 1342 1342/1342 1342 ± 0.000005841 5.904 5.43/6.508 5.966 ± 0.6911
ea17 1342 1342/1342 1342 ± 0 6.137 5.79/6.957 6.294 ± 0.6741
ea18 1342 1342/1342 1342 ± 0 6.444 5.772/6.978 6.341 ± 0.6786
ea19 1342 1342/1342 1342 ± 0.00001475 5.982 5.34/6.334 5.924 ± 0.6153
ea20 1342 1342/1342 1342 ± 0 5.782 5.483/6.574 5.975 ± 0.6049
ea21 1342 1342/1342 1342 ± 0 5.369 5.046/5.819 5.482 ± 0.4737
ea22 1342 1342/1342 1342 ± 0 6.355 5.795/6.904 6.312 ± 0.7216
ea23 1342 1342/1342 1342 ± 0 6.051 5.457/6.309 6.039 ± 0.6751
ea24 1342 1342/1342 1342 ± 0 5.986 5.225/6.439 5.811 ± 0.6196
ea25 1342 1342/1342 1342 ± 0 6.509 5.637/6.882 6.452 ± 0.7764
ea28 1342 1342/1342 1342 ± 0 6.149 5.706/6.887 6.238 ± 0.6548
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 5.45 5.146/5.576 5.373 ± 0.298
4 1342 1342/1342 1342 ± 0.00002644 5.102 4.899/5.173 5.054 ± 0.3051
5 1342 1342/1342 1342 ± 0.00002396 5.379 5.181/5.66 5.384 ± 0.3177
6 1342 1342/1342 1342 ± 0.00002396 5.332 5.101/5.537 5.305 ± 0.3083
7 1342 1342/1342 1342 ± 0.00002396 5.415 5.192/5.577 5.369 ± 0.2901
8 1342 1342/1342 1342 ± 0.00002396 5.337 5.165/5.525 5.318 ± 0.3016
9 1342 1342/1342 1342 ± 0.00002396 5.604 5.483/5.828 5.61 ± 0.3431
10 1342 1342/1342 1342 ± 0.00002396 6.13 5.929/6.293 6.062 ± 0.3308
11 1342 1342/1342 1342 ± 0.00002396 6.368 6.09/6.513 6.256 ± 0.3653
12 1342 1342/1342 1342 ± 0.00002396 6.429 6.111/6.638 6.385 ± 0.4017
13 1342 1342/1342 1342 ± 0.00002396 6.894 6.595/7.177 6.85 ± 0.4584
14 1342 1342/1342 1342 ± 0.00002396 7.052 6.672/7.321 6.975 ± 0.4803
15 1342 1342/1342 1342 ± 0.00002396 6.743 6.453/7.015 6.728 ± 0.4271
16 1342 1342/1342 1342 ± 0.00002697 6.001 5.711/6.396 6.01 ± 0.4743
17 1342 1342/1342 1342 ± 0.00003427 6.05 5.726/6.262 5.948 ± 0.4602
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
Start time
2025-07-18 10:12:55.087
End
2025-07-18 10:56:28.630
Duration
0:43:33.543
Note, WebLog generation is not included in the time.

CASA logs for stage 8