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 5.464 5.195/6.198 5.582 ± 0.8741
ea02 1342 1342/1342 1342 ± 0.000008268 5.714 5.271/6.387 5.716 ± 0.857
ea03 1342 1342/1342 1342 ± 0 5.349 5.23/6.639 5.807 ± 0.7836
ea04 1342 1342/1342 1342 ± 0.00004722 5.113 4.959/6.023 5.246 ± 0.7324
ea05 1342 1342/1342 1342 ± 0.00004908 5.345 5.04/6.402 5.52 ± 0.8535
ea06 1342 1342/1342 1342 ± 0.00002256 5.171 4.824/6.006 5.411 ± 0.719
ea07 1342 1342/1342 1342 ± 0.00002381 5.133 4.942/6.234 5.426 ± 0.9781
ea08 1342 1342/1342 1342 ± 0 5.632 5.427/6.731 5.889 ± 0.9346
ea09 1342 1342/1342 1342 ± 0.00004642 5.02 4.71/6.016 5.205 ± 0.7496
ea10 1342 1342/1342 1342 ± 0.00004478 5.024 4.672/6.033 5.191 ± 0.8039
ea11 1342 1342/1342 1342 ± 0.00004988 5.242 4.575/6.232 5.258 ± 0.9046
ea12 1342 1342/1342 1342 ± 0.00004367 5.077 4.898/5.906 5.214 ± 0.7772
ea14 1342 1342/1342 1342 ± 0.00004834 5.503 5.287/6.481 5.603 ± 0.8404
ea15 1342 1342/1342 1342 ± 0.00004948 5.499 5.404/6.583 5.683 ± 0.9225
ea16 1342 1342/1342 1342 ± 0.00001961 5.771 5.265/6.614 5.88 ± 0.8269
ea17 1342 1342/1342 1342 ± 0.00002911 5.578 5.252/6.484 5.672 ± 1.016
ea18 1342 1342/1342 1342 ± 0 5.714 5.49/6.839 5.981 ± 0.8795
ea19 1342 1342/1342 1342 ± 0.00004226 5.202 5.031/6.32 5.493 ± 0.8532
ea20 1342 1342/1342 1342 ± 0.00003976 5.839 5.626/6.884 5.982 ± 0.8791
ea21 1342 1342/1342 1342 ± 0.000002498 5.104 4.965/5.913 5.38 ± 0.6415
ea22 1342 1342/1342 1342 ± 0 5.568 5.132/6.397 5.648 ± 0.8515
ea23 1342 1342/1342 1342 ± 0.00004657 5.487 5.136/6.343 5.584 ± 0.8917
ea24 1342 1342/1342 1342 ± 0.000006601 5.257 5.024/6.295 5.614 ± 0.6992
ea25 1342 1342/1342 1342 ± 0.00001049 5.713 5.383/6.865 6.12 ± 0.9279
ea27 1342 1342/1342 1342 ± 0.000009805 5.375 5.066/6.352 5.575 ± 0.7637
ea28 1342 1342/1342 1342 ± 0 5.717 5.602/6.766 5.972 ± 0.7543
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 ± 0.00002349 5.142 4.976/5.27 5.154 ± 0.254
3 1342 1342/1342 1342 ± 0.00004052 3.862 3.507/4.259 3.829 ± 0.5053
5 1342 1342/1342 1342 ± 0.00002378 5.079 4.942/5.417 5.153 ± 0.3279
6 1342 1342/1342 1342 ± 0.00002349 5.238 5.001/5.49 5.239 ± 0.2872
7 1342 1342/1342 1342 ± 0.00002349 5.267 5.011/5.43 5.233 ± 0.2566
8 1342 1342/1342 1342 ± 0.00002349 5.236 5.052/5.464 5.234 ± 0.2829
9 1342 1342/1342 1342 ± 0.00002349 5.515 5.338/5.729 5.52 ± 0.3
10 1342 1342/1342 1342 ± 0.00002349 6.107 5.941/6.238 6.088 ± 0.2789
11 1342 1342/1342 1342 ± 0.00002349 6.389 6.197/6.487 6.367 ± 0.2766
12 1342 1342/1342 1342 ± 0.00002349 6.564 6.265/6.645 6.516 ± 0.313
13 1342 1342/1342 1342 ± 0.00002349 6.851 6.43/7.131 6.81 ± 0.3606
14 1342 1342/1342 1342 ± 0.00005252 5.993 5.629/6.396 6.078 ± 0.6221
15 1342 1342/1342 1342 ± 0.00002349 6.718 6.321/7.014 6.685 ± 0.3639
16 1342 1342/1342 1342 ± 0.00006102 4.124 3.881/4.568 4.244 ± 0.4345
17 1342 1342/1342 1342 ± 0.00006101 4.228 4.054/4.532 4.303 ± 0.3286
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 20:42:19.053
End
2025-07-22 21:39:50.508
Duration
0:57:31.454
Note, WebLog generation is not included in the time.

CASA logs for stage 8