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

Statwt Summary Plot

VLASS3.2.sb45478884.eb45758950.60430.75354622686_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 5.791 5.151/6.119 5.711 ± 0.5726
ea02 1342 1342/1342 1342 ± 0.00002289 6.16 5.384/6.328 5.998 ± 0.6719
ea03 1342 1342/1342 1342 ± 0.00001445 5.961 5.247/6.612 5.951 ± 0.7235
ea04 1342 1342/1342 1342 ± 0.00003733 5.399 4.973/5.976 5.446 ± 0.6251
ea05 1342 1342/1342 1342 ± 0.00003497 5.849 5.139/6.433 5.87 ± 0.6543
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.000006469 5.965 5.114/6.161 5.83 ± 0.6936
ea08 1342 1342/1342 1342 ± 0 6.438 5.513/6.695 6.259 ± 0.6514
ea09 1342 1342/1342 1342 ± 0.00001521 5.594 5.047/6.312 5.669 ± 0.6579
ea10 1342 1342/1342 1342 ± 0 5.396 4.91/5.984 5.463 ± 0.5989
ea11 1342 1342/1342 1342 ± 0.00004099 5.285 4.955/6.068 5.465 ± 0.664
ea12 1342 1342/1342 1342 ± 0.0000165 5.339 5.129/6.205 5.56 ± 0.6426
ea13 1342 1342/1342 1342 ± 0 5.832 5.367/6.216 5.886 ± 0.5724
ea14 1342 1342/1342 1342 ± 0.00001764 5.798 5.321/6.388 5.916 ± 0.605
ea15 1342 1342/1342 1342 ± 0.00003806 5.82 5.166/6.243 5.781 ± 0.699
ea16 1342 1342/1342 1342 ± 0 6.003 5.428/6.601 6.026 ± 0.7016
ea17 1342 1342/1342 1342 ± 0 6.075 5.583/6.913 6.128 ± 0.752
ea18 1342 1342/1342 1342 ± 0 6.356 5.734/6.965 6.294 ± 0.6955
ea19 1342 1342/1342 1342 ± 0 5.588 5.143/6.35 5.743 ± 0.6246
ea20 1342 1342/1342 1342 ± 0 5.929 5.386/6.53 5.966 ± 0.6716
ea21 1342 1342/1342 1342 ± 0 5.495 5.044/5.992 5.553 ± 0.5724
ea22 1342 1342/1342 1342 ± 0 6.571 5.782/7.15 6.476 ± 0.6797
ea23 1342 1342/1342 1342 ± 0 5.772 5.309/6.285 5.944 ± 0.6651
ea24 1342 1342/1342 1342 ± 0 5.886 5.138/6.377 5.736 ± 0.6051
ea25 1342 1342/1342 1342 ± 0 6.357 5.517/6.773 6.28 ± 0.8107
ea27 1342 1342/1342 1342 ± 0 5.69 5.249/6.412 5.787 ± 0.6239
ea28 1342 1342/1342 1342 ± 0 6.058 5.571/6.79 6.153 ± 0.6619
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 ± 0.00002391 5.286 5.155/5.427 5.31 ± 0.1991
4 1342 1342/1342 1342 ± 0.00003137 4.962 4.733/5.188 4.993 ± 0.3013
5 1342 1342/1342 1342 ± 0.00002899 4.986 4.811/5.211 5.01 ± 0.3416
6 1342 1342/1342 1342 ± 0.00002391 5.115 4.928/5.333 5.115 ± 0.2502
7 1342 1342/1342 1342 ± 0.00002391 5.251 5.132/5.406 5.251 ± 0.2118
8 1342 1342/1342 1342 ± 0.00002391 5.195 5.047/5.385 5.219 ± 0.2452
9 1342 1342/1342 1342 ± 0.00002391 5.518 5.36/5.774 5.547 ± 0.2633
10 1342 1342/1342 1342 ± 0.00002363 5.987 5.821/6.157 6.012 ± 0.2424
11 1342 1342/1342 1342 ± 0.00002356 6.244 6.074/6.35 6.247 ± 0.2523
12 1342 1342/1342 1342 ± 0.00002356 6.366 6.208/6.602 6.406 ± 0.2876
13 1342 1342/1342 1342 ± 0.00002356 6.836 6.601/7.027 6.829 ± 0.3061
14 1342 1342/1342 1342 ± 0.00002356 6.996 6.767/7.27 6.994 ± 0.311
15 1342 1342/1342 1342 ± 0.00002356 6.642 6.409/6.93 6.645 ± 0.3437
16 1342 1342/1342 1342 ± 0.00004765 5.889 5.603/6.216 5.913 ± 0.4
17 1342 1342/1342 1342 ± 0.00004304 5.88 5.62/6.156 5.881 ± 0.3747
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms
output_dir
 
Start time
2025-07-18 09:57:38.592
End
2025-07-18 10:54:16.012
Duration
0:56:37.420
Note, WebLog generation is not included in the time.

CASA logs for stage 8