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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.365 5.163/6.398 5.746 ± 0.6875
ea02 1342 1342/1342 1342 ± 0.00004302 5.644 5.227/6.446 5.817 ± 0.6703
ea03 1342 1342/1342 1342 ± 0.000009148 5.136 4.883/6.414 5.623 ± 0.8206
ea04 1342 1342/1342 1342 ± 0.00004309 5.328 5.098/6.177 5.562 ± 0.6579
ea05 1342 1342/1342 1342 ± 0.00004688 5.458 5.129/6.468 5.753 ± 0.7712
ea06 1342 1342/1342 1342 ± 0.000005887 4.903 4.612/5.77 5.257 ± 0.7077
ea07 1342 1342/1342 1342 ± 0.00004244 5.433 4.978/6.247 5.591 ± 0.7
ea08 1342 1342/1342 1342 ± 0.00004268 5.83 5.395/6.671 5.942 ± 0.7661
ea09 1342 1342/1342 1342 ± 0.00004165 4.862 4.668/5.604 5.167 ± 0.5905
ea10 1342 1342/1342 1342 ± 0.00004542 4.735 4.558/5.404 4.864 ± 0.4334
ea11 1342 1342/1342 1342 ± 0.00004304 5.641 4.799/6.614 5.713 ± 0.8897
ea12 1342 1342/1342 1342 ± 0.00003983 5.214 4.854/5.986 5.449 ± 0.6788
ea14 1342 1342/1342 1342 ± 0.00004329 5.888 5.212/6.495 5.829 ± 0.7405
ea15 1342 1342/1342 1342 ± 0.00004367 5.376 4.984/6.283 5.637 ± 0.8017
ea16 1342 1342/1342 1342 ± 0.00001376 5.736 5.152/6.24 5.721 ± 0.7128
ea17 1342 1342/1342 1342 ± 0.00004305 5.854 5.251/6.704 6.042 ± 0.8197
ea18 1342 1342/1342 1342 ± 0.00004013 5.812 5.344/6.635 5.909 ± 0.7642
ea19 1342 1342/1342 1342 ± 0.00002539 5.31 5.084/6.274 5.637 ± 0.7357
ea20 1342 1342/1342 1342 ± 0.00002228 5.421 5.15/6.183 5.733 ± 0.6815
ea21 1342 1342/1342 1342 ± 0.00000533 5.12 4.714/5.738 5.243 ± 0.5707
ea22 1342 1342/1342 1342 ± 0.00004212 5.574 5.124/6.438 5.75 ± 0.6954
ea23 1342 1342/1342 1342 ± 0.00004252 5.833 5.08/6.479 5.858 ± 0.7673
ea24 1342 1342/1342 1342 ± 0.00001193 5.179 4.677/5.937 5.33 ± 0.6231
ea25 1342 1342/1342 1342 ± 0 5.73 5.275/6.672 6.01 ± 0.9066
ea27 1342 1342/1342 1342 ± 0.00001145 5.181 4.767/6.163 5.397 ± 0.7598
ea28 1342 1342/1342 1342 ± 0.00002057 5.34 5.077/6.337 5.714 ± 0.7187
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 ± 0.0000238 4.986 4.712/5.217 4.97 ± 0.2854
5 1342 1342/1342 1342 ± 0.00002771 5.07 4.806/5.345 5.103 ± 0.3741
6 1342 1342/1342 1342 ± 0.00002355 4.904 4.75/5.145 4.962 ± 0.287
7 1342 1342/1342 1342 ± 0.00002355 5.102 4.914/5.316 5.107 ± 0.2878
8 1342 1342/1342 1342 ± 0.00002355 5.134 4.879/5.397 5.132 ± 0.3402
9 1342 1342/1342 1342 ± 0.00002365 5.398 5.188/5.661 5.382 ± 0.3444
10 1342 1342/1342 1342 ± 0.00002352 5.873 5.707/6.246 5.942 ± 0.3279
11 1342 1342/1342 1342 ± 0.00002352 6.188 6.043/6.473 6.215 ± 0.3315
12 1342 1342/1342 1342 ± 0.00002352 6.415 6.185/6.613 6.37 ± 0.3625
13 1342 1342/1342 1342 ± 0.00002397 6.908 6.693/7.098 6.863 ± 0.3531
14 1342 1342/1342 1342 ± 0.00002397 6.813 6.479/6.993 6.749 ± 0.3762
15 1342 1342/1342 1342 ± 0.00003294 6.169 5.958/6.374 6.136 ± 0.3651
16 1342 1342/1342 1342 ± 0.00005843 4.826 4.663/5.032 4.845 ± 0.2778
17 1342 1342/1342 1342 ± 0.00005901 4.893 4.723/5.089 4.908 ± 0.2715
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-26 15:05:35.710
End
2025-07-26 16:00:53.825
Duration
0:55:18.115
Note, WebLog generation is not included in the time.

CASA logs for stage 8