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 5.208 4.977/5.663 5.301 ± 0.4487
ea02 1342 1342/1342 1342 ± 0 6.298 5.572/6.457 6.214 ± 0.6208
ea03 1342 1342/1342 1342 ± 0 6.077 5.419/6.7 6.133 ± 0.7247
ea04 1342 1342/1342 1342 ± 0.00002908 5.645 5.245/6.08 5.697 ± 0.5443
ea05 1342 1342/1342 1342 ± 0.00002494 5.634 5.349/6.537 5.891 ± 0.6592
ea06 1342 1342/1342 1342 ± 0 5.983 5.008/6.197 5.712 ± 0.6367
ea07 1342 1342/1342 1342 ± 0 6.084 5.194/6.265 5.896 ± 0.7112
ea08 1342 1342/1342 1342 ± 0 6.479 5.621/6.82 6.346 ± 0.6773
ea09 1342 1342/1342 1342 ± 0.000005133 5.59 5.155/6.433 5.708 ± 0.6682
ea10 1342 1342/1342 1342 ± 0 5.482 5.042/6.051 5.536 ± 0.5751
ea11 1342 1342/1342 1342 ± 0.00004065 5.329 4.989/6.196 5.543 ± 0.6779
ea12 1342 1342/1342 1342 ± 0.00002124 5.477 5.253/6.269 5.739 ± 0.582
ea13 1342 1342/1342 1342 ± 0 5.941 5.595/6.447 6.016 ± 0.6734
ea14 1342 1342/1342 1342 ± 0 5.883 5.593/6.57 6.103 ± 0.5886
ea15 1342 1342/1342 1342 ± 0.00003586 5.923 5.631/6.727 6.179 ± 0.7232
ea17 1342 1342/1342 1342 ± 0 6.215 5.778/7.033 6.332 ± 0.6852
ea18 1342 1342/1342 1342 ± 0 6.469 5.809/7.108 6.414 ± 0.6947
ea19 1342 1342/1342 1342 ± 0 5.919 5.359/6.508 5.923 ± 0.6197
ea20 1342 1342/1342 1342 ± 0 5.86 5.649/6.763 6.108 ± 0.6404
ea21 1342 1342/1342 1342 ± 0 5.475 5.075/5.918 5.552 ± 0.5142
ea22 1342 1342/1342 1342 ± 0 6.429 5.812/6.879 6.338 ± 0.6843
ea23 1342 1342/1342 1342 ± 0 5.851 5.457/6.368 6.009 ± 0.6528
ea24 1342 1342/1342 1342 ± 0 6.062 5.178/6.576 5.895 ± 0.7127
ea25 1342 1342/1342 1342 ± 0 6.455 5.654/6.939 6.463 ± 0.8014
ea28 1342 1342/1342 1342 ± 0 6.125 5.715/6.993 6.294 ± 0.6756
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 ± 0.00002395 5.417 5.128/5.58 5.399 ± 0.2985
4 1342 1342/1342 1342 ± 0.00002604 5.029 4.806/5.216 5.023 ± 0.3105
5 1342 1342/1342 1342 ± 0.00002395 5.38 5.148/5.63 5.4 ± 0.2944
6 1342 1342/1342 1342 ± 0.00002395 5.348 5.136/5.615 5.351 ± 0.2906
7 1342 1342/1342 1342 ± 0.00002395 5.458 5.244/5.652 5.418 ± 0.268
8 1342 1342/1342 1342 ± 0.00002395 5.337 5.171/5.617 5.361 ± 0.2953
9 1342 1342/1342 1342 ± 0.00002395 5.668 5.489/5.912 5.676 ± 0.313
10 1342 1342/1342 1342 ± 0.00002395 6.208 5.978/6.393 6.139 ± 0.2956
11 1342 1342/1342 1342 ± 0.00002395 6.428 6.157/6.592 6.348 ± 0.3331
12 1342 1342/1342 1342 ± 0.00002395 6.51 6.262/6.753 6.493 ± 0.3649
13 1342 1342/1342 1342 ± 0.00002395 7.035 6.637/7.192 6.944 ± 0.3924
14 1342 1342/1342 1342 ± 0.00002395 7.197 6.814/7.429 7.089 ± 0.4142
15 1342 1342/1342 1342 ± 0.00002395 6.878 6.536/7.164 6.794 ± 0.3943
16 1342 1342/1342 1342 ± 0.00003761 5.95 5.701/6.418 6.04 ± 0.4706
17 1342 1342/1342 1342 ± 0.00004729 6.027 5.617/6.304 5.94 ± 0.4575
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-08-08 21:51:57.251
End
2025-08-08 22:19:54.763
Duration
0:27:57.512
Note, WebLog generation is not included in the time.

CASA logs for stage 8