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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.251 4.883/5.996 5.232 ± 0.9239
ea02 1342 1342/1342 1342 ± 0.0000365 4.967 4.693/6.111 5.186 ± 0.9795
ea03 1342 1342/1342 1342 ± 0.00001458 5.089 4.938/5.729 5.271 ± 0.697
ea04 1342 1342/1342 1342 ± 0.00004445 4.822 4.328/5.686 4.843 ± 0.7744
ea05 1342 1342/1342 1342 ± 0.00004633 5.034 4.672/6 5.11 ± 0.8977
ea06 1342 1342/1342 1342 ± 0.00001475 4.664 4.433/5.537 4.803 ± 0.6964
ea07 1342 1342/1342 1342 ± 0.00003859 4.787 4.508/5.775 4.946 ± 0.8653
ea08 1342 1342/1342 1342 ± 0.00001953 5.374 4.8/6.389 5.361 ± 1.017
ea09 1342 1342/1342 1342 ± 0.0000419 4.84 4.585/5.407 4.845 ± 0.763
ea10 1342 1342/1342 1342 ± 0.0000194 2.636 2.531/2.896 2.69 ± 0.2197
ea11 1342 1342/1342 1342 ± 0.00004967 4.944 4.214/5.839 4.895 ± 0.9544
ea12 1342 1342/1342 1342 ± 0.00004195 4.918 4.473/5.644 4.85 ± 0.8077
ea14 1342 1342/1342 1342 ± 0.00004536 5.15 4.811/6.067 5.173 ± 0.8946
ea15 1342 1342/1342 1342 ± 0.00004684 5.167 4.793/6.297 5.262 ± 0.969
ea16 1342 1342/1342 1342 ± 0.00001413 5.373 4.939/6.163 5.359 ± 0.8444
ea17 1342 1342/1342 1342 ± 0.00003965 5.307 4.827/6.227 5.32 ± 1.006
ea18 1342 1342/1342 1342 ± 0.00001585 5.36 5.15/6.202 5.435 ± 0.9823
ea19 1342 1342/1342 1342 ± 0.00003137 5.033 4.587/6.025 5.106 ± 0.8864
ea20 1342 1342/1342 1342 ± 0.00001952 5.472 5.229/6.258 5.607 ± 0.7988
ea21 1342 1342/1342 1342 ± 0.000005812 4.89 4.64/5.361 4.919 ± 0.5704
ea22 1342 1342/1342 1342 ± 0.00002851 5.169 4.728/6.093 5.192 ± 0.9453
ea23 1342 1342/1342 1342 ± 0.00004295 5.329 4.802/6.098 5.241 ± 0.9371
ea24 1342 1342/1342 1342 ± 0.000004787 5.015 4.741/6.058 5.25 ± 0.6911
ea25 1342 1342/1342 1342 ± 0.000008939 5.603 5.044/6.35 5.639 ± 0.796
ea27 1342 1342/1342 1342 ± 0.000009201 4.988 4.461/5.829 5.02 ± 0.857
ea28 1342 1342/1342 1342 ± 0.000006189 5.476 5.332/6.181 5.695 ± 0.7558
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 ± 0.00002379 4.808 4.636/4.958 4.729 ± 0.5052
5 1342 1342/1342 1342 ± 0.00002813 4.817 4.497/5.046 4.744 ± 0.5602
6 1342 1342/1342 1342 ± 0.00002421 4.971 4.702/5.164 4.856 ± 0.5255
7 1342 1342/1342 1342 ± 0.00002379 5.034 4.844/5.22 4.941 ± 0.532
8 1342 1342/1342 1342 ± 0.00002379 4.963 4.775/5.114 4.889 ± 0.5471
9 1342 1342/1342 1342 ± 0.00002379 5.197 5.055/5.401 5.119 ± 0.5543
10 1342 1342/1342 1342 ± 0.00002372 5.838 5.627/5.934 5.685 ± 0.6236
11 1342 1342/1342 1342 ± 0.00002372 6.095 5.776/6.225 5.955 ± 0.6585
12 1342 1342/1342 1342 ± 0.00002372 6.214 5.916/6.394 6.118 ± 0.6847
13 1342 1342/1342 1342 ± 0.00002372 6.31 5.987/6.552 6.187 ± 0.7693
14 1342 1342/1342 1342 ± 0.00004397 4.517 4.226/5.034 4.66 ± 0.7885
15 1342 1342/1342 1342 ± 0.00002372 6.025 5.712/6.389 5.895 ± 0.8293
16 1342 1342/1342 1342 ± 0.00006103 3.584 3.466/3.938 3.739 ± 0.4524
17 1342 1342/1342 1342 ± 0.00006097 3.466 3.331/3.784 3.597 ± 0.3692
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
overwrite_modelcol
False
Start time
2025-07-22 17:43:58.182
End
2025-07-22 18:48:55.799
Duration
1:04:57.617
Note, WebLog generation is not included in the time.

CASA logs for stage 8