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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.142 5.853/6.733 6.304 ± 0.5612
ea02 1342 1342/1342 1342 ± 0 6.224 5.875/6.936 6.39 ± 0.6322
ea03 1342 1342/1342 1342 ± 0.000001148 5.483 5.219/6.575 5.796 ± 0.6812
ea04 1342 1342/1342 1342 ± 0 5.946 5.438/6.546 6.034 ± 0.635
ea06 1342 1342/1342 1342 ± 0 6.296 5.636/6.574 6.182 ± 0.5965
ea07 1342 1342/1342 1342 ± 0 5.955 5.434/6.089 5.914 ± 0.4781
ea08 1342 1342/1342 1342 ± 0 6.251 5.862/6.971 6.476 ± 0.595
ea09 1342 1342/1342 1342 ± 0 6.106 5.576/6.843 6.193 ± 0.6545
ea10 1342 1342/1342 1342 ± 0 5.965 5.631/6.701 6.15 ± 0.5713
ea11 1342 1342/1342 1342 ± 0 6.319 5.762/6.911 6.412 ± 0.6734
ea12 1342 1342/1342 1342 ± 0 6.273 5.759/6.857 6.358 ± 0.6388
ea13 1342 1342/1342 1342 ± 0 6.249 5.801/6.717 6.381 ± 0.5381
ea14 1342 1342/1342 1342 ± 0 6.311 5.703/6.71 6.259 ± 0.6703
ea15 1342 1342/1342 1342 ± 0 6.184 5.586/6.653 6.159 ± 0.6824
ea16 1342 1342/1342 1342 ± 0 6.278 5.804/6.719 6.34 ± 0.6104
ea17 1342 1342/1342 1342 ± 0 6.645 6.325/7.494 6.848 ± 0.6351
ea18 1342 1342/1342 1342 ± 0 4.936 4.621/5.295 4.972 ± 0.403
ea19 1342 1342/1342 1342 ± 0 6.362 5.931/7.009 6.49 ± 0.6193
ea20 1342 1342/1342 1342 ± 0 6.1 5.885/7.027 6.391 ± 0.6053
ea21 1342 1342/1342 1342 ± 0.000004811 5.963 5.711/6.666 6.223 ± 0.5635
ea22 1342 1342/1342 1342 ± 0 6.492 5.742/6.851 6.362 ± 0.6237
ea23 1342 1342/1342 1342 ± 0 6.25 5.87/6.887 6.45 ± 0.6714
ea24 1342 1342/1342 1342 ± 0 6.186 5.476/6.686 6.057 ± 0.6115
ea25 1342 1342/1342 1342 ± 0 6.18 5.434/6.414 6.064 ± 0.6969
ea26 1342 1342/1342 1342 ± 0 6.393 5.794/7.059 6.409 ± 0.6359
ea27 1342 1342/1342 1342 ± 0 5.913 5.771/6.951 6.263 ± 0.647
ea28 1342 1342/1342 1342 ± 0 5.965 5.725/6.841 6.29 ± 0.6428
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 ± 0.00002307 5.744 5.634/5.889 5.713 ± 0.3174
4 1342 1342/1342 1342 ± 0.00002467 5.578 5.221/5.667 5.475 ± 0.4251
5 1342 1342/1342 1342 ± 0.00002307 5.768 5.483/5.968 5.72 ± 0.3674
6 1342 1342/1342 1342 ± 0.00002307 5.629 5.502/5.846 5.625 ± 0.3128
7 1342 1342/1342 1342 ± 0.00002307 5.712 5.548/5.865 5.688 ± 0.305
8 1342 1342/1342 1342 ± 0.00002307 5.645 5.418/5.797 5.627 ± 0.3211
9 1342 1342/1342 1342 ± 0.00002307 5.958 5.812/6.104 5.928 ± 0.3464
10 1342 1342/1342 1342 ± 0.00002307 6.415 6.226/6.564 6.355 ± 0.3519
11 1342 1342/1342 1342 ± 0.00002307 6.656 6.452/6.79 6.575 ± 0.3674
12 1342 1342/1342 1342 ± 0.00002307 6.738 6.632/6.912 6.715 ± 0.3927
13 1342 1342/1342 1342 ± 0.00002307 7.227 6.996/7.379 7.159 ± 0.4136
14 1342 1342/1342 1342 ± 0.00002307 7.45 7.239/7.541 7.355 ± 0.3985
15 1342 1342/1342 1342 ± 0.00002307 7.035 6.847/7.211 6.982 ± 0.3959
16 1342 1342/1342 1342 ± 0.00002309 6.278 6.024/6.425 6.221 ± 0.379
17 1342 1342/1342 1342 ± 0.00002332 6.23 6.002/6.389 6.179 ± 0.3527
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-05-14 11:14:40.289
End
2025-05-14 12:24:09.586
Duration
1:09:29.297
Note, WebLog generation is not included in the time.

CASA logs for stage 8