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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.441 5.224/6.453 5.638 ± 0.8886
ea02 1342 1342/1342 1342 ± 0.00002596 5.55 5.178/6.316 5.632 ± 0.8988
ea03 1342 1342/1342 1342 ± 0.000002583 5.351 5.175/6.551 5.691 ± 0.8782
ea04 1342 1342/1342 1342 ± 0.00004963 5.048 4.812/5.932 5.141 ± 0.8788
ea05 1342 1342/1342 1342 ± 0.00004507 5.253 5.008/6.332 5.409 ± 0.9671
ea06 1342 1342/1342 1342 ± 0.000009569 4.941 4.824/5.88 5.319 ± 0.7776
ea07 1342 1342/1342 1342 ± 0.00003321 5.022 4.868/6.163 5.296 ± 1.03
ea08 1342 1342/1342 1342 ± 0.000003537 5.585 5.169/6.686 5.72 ± 1.009
ea09 1342 1342/1342 1342 ± 0.00004415 4.972 4.685/5.883 5.184 ± 0.7635
ea10 1342 1342/1342 1342 ± 0.00004695 4.964 4.595/5.936 5.165 ± 0.8162
ea11 1342 1342/1342 1342 ± 0.00004708 5.023 4.538/6.191 5.1 ± 1.075
ea12 1342 1342/1342 1342 ± 0.00004198 5.03 4.76/5.889 5.169 ± 0.8162
ea14 1342 1342/1342 1342 ± 0.00004514 5.441 5.07/6.415 5.642 ± 0.8052
ea15 1342 1342/1342 1342 ± 0.0000464 5.518 5.081/6.571 5.707 ± 0.9429
ea16 1342 1342/1342 1342 ± 0.000009569 5.674 5.197/6.562 5.777 ± 0.9268
ea17 1342 1342/1342 1342 ± 0.00004189 5.505 5.091/6.409 5.555 ± 1.067
ea18 1342 1342/1342 1342 ± 0.000001119 5.595 5.293/6.703 5.807 ± 0.973
ea19 1342 1342/1342 1342 ± 0.00003318 5.123 4.921/6.269 5.409 ± 0.8901
ea20 1342 1342/1342 1342 ± 0.0000408 5.73 5.332/6.816 5.839 ± 1.053
ea21 1342 1342/1342 1342 ± 0.000002311 4.996 4.875/5.846 5.276 ± 0.6793
ea22 1342 1342/1342 1342 ± 0.00001278 5.464 4.994/6.522 5.481 ± 0.975
ea23 1342 1342/1342 1342 ± 0.00004563 5.427 4.991/6.302 5.602 ± 0.856
ea24 1342 1342/1342 1342 ± 0.00002083 5.154 5.017/6.562 5.587 ± 0.8683
ea25 1342 1342/1342 1342 ± 0.000005655 5.678 5.378/6.779 6.006 ± 0.9673
ea27 1342 1342/1342 1342 ± 0.0000129 5.188 4.928/6.375 5.528 ± 0.7948
ea28 1342 1342/1342 1342 ± 0.00002803 5.629 5.47/6.886 5.889 ± 0.9312
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 ± 0.00002348 5.13 4.933/5.235 5.132 ± 0.2571
3 1342 1342/1342 1342 ± 0.00003509 3.736 3.244/4.17 3.717 ± 0.5725
4 1342 1342/1342 1342 ± 0.00005245 3.809 3.684/3.948 3.812 ± 0.2147
5 1342 1342/1342 1342 ± 0.00002349 5.139 4.952/5.415 5.164 ± 0.295
6 1342 1342/1342 1342 ± 0.00002348 5.162 4.896/5.395 5.144 ± 0.2718
7 1342 1342/1342 1342 ± 0.00002348 5.21 4.972/5.379 5.185 ± 0.2553
8 1342 1342/1342 1342 ± 0.00002348 5.172 4.99/5.374 5.179 ± 0.2843
9 1342 1342/1342 1342 ± 0.00002348 5.476 5.265/5.693 5.481 ± 0.2975
10 1342 1342/1342 1342 ± 0.00002348 6.043 5.847/6.17 6.019 ± 0.2814
11 1342 1342/1342 1342 ± 0.00002348 6.304 6.149/6.459 6.276 ± 0.279
12 1342 1342/1342 1342 ± 0.00002348 6.458 6.186/6.577 6.432 ± 0.3145
13 1342 1342/1342 1342 ± 0.00002348 6.846 6.525/7.095 6.838 ± 0.3325
14 1342 1342/1342 1342 ± 0.00002634 6.659 6.433/6.909 6.672 ± 0.4276
15 1342 1342/1342 1342 ± 0.00002348 6.788 6.359/7.079 6.728 ± 0.3674
16 1342 1342/1342 1342 ± 0.00006021 4.696 4.546/4.897 4.753 ± 0.3039
17 1342 1342/1342 1342 ± 0.00006102 4.699 4.557/4.888 4.743 ± 0.2777
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-22 15:07:04.129
End
2025-07-22 16:07:09.972
Duration
1:00:05.843
Note, WebLog generation is not included in the time.

CASA logs for stage 8