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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.278 5.659/6.68 6.235 ± 0.6482
ea02 1342 1342/1342 1342 ± 0 5.907 5.169/6.106 5.795 ± 0.6125
ea03 1342 1342/1342 1342 ± 0 6.338 5.524/6.983 6.324 ± 0.8017
ea04 1342 1342/1342 1342 ± 0 5.719 5.174/6.171 5.736 ± 0.606
ea05 1342 1342/1342 1342 ± 0 6.207 5.436/6.918 6.179 ± 0.7072
ea06 1342 1342/1342 1342 ± 0 6.383 5.326/6.582 6.089 ± 0.7289
ea07 1342 1342/1342 1342 ± 0 5.935 5.138/6.268 5.795 ± 0.7221
ea08 1342 1342/1342 1342 ± 0 5.893 4.892/6.089 5.641 ± 0.7056
ea09 1342 1342/1342 1342 ± 0 5.615 5.014/6.35 5.698 ± 0.6796
ea10 1342 1342/1342 1342 ± 0 5.863 5.276/6.306 5.799 ± 0.6166
ea11 1342 1342/1342 1342 ± 0 5.79 5.405/6.665 5.981 ± 0.7454
ea12 1342 1342/1342 1342 ± 0 5.861 5.388/6.496 5.937 ± 0.6374
ea13 1342 1342/1342 1342 ± 0 5.6 4.828/5.719 5.394 ± 0.5539
ea14 1342 1342/1342 1342 ± 0 6.279 5.707/6.78 6.306 ± 0.6182
ea15 1342 1342/1342 1342 ± 0 6.292 5.59/6.726 6.222 ± 0.7335
ea16 1342 1342/1342 1342 ± 0 6.464 5.847/6.988 6.491 ± 0.7506
ea17 1342 1342/1342 1342 ± 0 6.156 5.693/7.062 6.313 ± 0.7352
ea18 1342 1342/1342 1342 ± 0 6.085 5.613/6.45 5.964 ± 0.5769
ea19 1342 1342/1342 1342 ± 0 6.276 5.595/6.825 6.249 ± 0.686
ea20 1342 1342/1342 1342 ± 0 6.283 5.631/6.858 6.202 ± 0.7047
ea21 1342 1342/1342 1342 ± 0 5.647 5.108/6.053 5.622 ± 0.576
ea22 1342 1342/1342 1342 ± 0 5.697 4.961/6.03 5.542 ± 0.6284
ea23 1342 1342/1342 1342 ± 0 6.254 5.581/6.462 6.163 ± 0.6885
ea24 1342 1342/1342 1342 ± 0 5.638 4.873/5.896 5.405 ± 0.6514
ea25 1342 1342/1342 1342 ± 0 6.706 5.827/7.246 6.649 ± 0.8679
ea27 1342 1342/1342 1342 ± 0 6.21 5.385/6.661 6.084 ± 0.7019
ea28 1342 1342/1342 1342 ± 0 6.05 5.339/6.591 5.946 ± 0.6885
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 ± 0.00002392 5.494 5.286/5.634 5.421 ± 0.3248
4 1342 1342/1342 1342 ± 0.00002392 5.243 4.978/5.409 5.282 ± 0.3436
5 1342 1342/1342 1342 ± 0.00002395 5.189 4.989/5.393 5.192 ± 0.3214
6 1342 1342/1342 1342 ± 0.00002368 5.117 4.947/5.39 5.171 ± 0.2908
7 1342 1342/1342 1342 ± 0.00002348 5.424 5.028/5.598 5.356 ± 0.3254
8 1342 1342/1342 1342 ± 0.00002312 5.337 5.104/5.615 5.329 ± 0.3686
9 1342 1342/1342 1342 ± 0.00002312 5.745 5.372/5.934 5.666 ± 0.3703
10 1342 1342/1342 1342 ± 0.00002312 6.157 5.824/6.379 6.114 ± 0.3272
11 1342 1342/1342 1342 ± 0.00002312 6.382 6.028/6.666 6.341 ± 0.34
12 1342 1342/1342 1342 ± 0.00002305 6.5 6.116/6.826 6.483 ± 0.3929
13 1342 1342/1342 1342 ± 0.00002305 6.975 6.634/7.327 6.953 ± 0.4504
14 1342 1342/1342 1342 ± 0.00002305 7.155 6.793/7.438 7.133 ± 0.4434
15 1342 1342/1342 1342 ± 0.00002305 6.841 6.502/7.108 6.835 ± 0.4228
16 1342 1342/1342 1342 ± 0.00002305 6.249 5.951/6.514 6.26 ± 0.3814
17 1342 1342/1342 1342 ± 0.00002305 6.201 5.911/6.553 6.191 ± 0.3817
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-29 10:51:42.806
End
2025-07-29 12:14:03.894
Duration
1:22:21.087
Note, WebLog generation is not included in the time.

CASA logs for stage 8