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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.422 5.162/6.191 5.42 ± 1.04
ea02 1342 1342/1342 1342 ± 0.00003304 5.626 5.23/6.426 5.588 ± 0.9447
ea03 1342 1342/1342 1342 ± 0.000009175 5.408 5.264/6.43 5.645 ± 0.7843
ea04 1342 1342/1342 1342 ± 0.00004897 5.045 4.646/5.939 5.078 ± 0.8162
ea05 1342 1342/1342 1342 ± 0.00005073 5.306 5.066/6.368 5.38 ± 0.997
ea06 1342 1342/1342 1342 ± 0.00002946 4.938 4.725/6.004 5.139 ± 0.8134
ea07 1342 1342/1342 1342 ± 0.00004199 5.156 4.958/6.245 5.388 ± 0.9445
ea08 1342 1342/1342 1342 ± 0.00001095 5.833 5.434/6.792 5.807 ± 1.002
ea09 1342 1342/1342 1342 ± 0.00004749 5.112 4.8/6.173 5.2 ± 0.9036
ea10 1342 1342/1342 1342 ± 0.00004414 4.968 4.613/5.9 4.997 ± 0.8514
ea11 1342 1342/1342 1342 ± 0.00005245 5.044 4.522/6.065 5.038 ± 1
ea13 1342 1342/1342 1342 ± 0.000008138 5.423 5.159/6.198 5.527 ± 0.6356
ea14 1342 1342/1342 1342 ± 0.00004883 5.429 5.096/6.526 5.508 ± 0.9998
ea15 1342 1342/1342 1342 ± 0.00005023 5.518 5.116/6.671 5.556 ± 1.06
ea16 1342 1342/1342 1342 ± 0.00002571 5.64 5.333/6.499 5.704 ± 0.9734
ea17 1342 1342/1342 1342 ± 0.0000421 5.712 5.238/6.584 5.711 ± 1.072
ea18 1342 1342/1342 1342 ± 0.000008697 5.956 5.426/6.829 5.925 ± 1.017
ea19 1342 1342/1342 1342 ± 0.00004246 5.267 4.898/6.322 5.334 ± 0.9495
ea20 1342 1342/1342 1342 ± 0.00003438 5.31 5.187/6.129 5.486 ± 0.7239
ea21 1342 1342/1342 1342 ± 0 5.116 4.899/5.726 5.182 ± 0.6173
ea22 1342 1342/1342 1342 ± 0.00001942 5.606 5.17/6.48 5.626 ± 0.965
ea23 1342 1342/1342 1342 ± 0.00004656 5.535 5.103/6.33 5.475 ± 0.9699
ea24 1342 1342/1342 1342 ± 0 5.069 4.966/6.346 5.483 ± 0.738
ea25 1342 1342/1342 1342 ± 0.000006497 5.622 5.293/6.905 5.915 ± 0.9243
ea27 1342 1342/1342 1342 ± 0.00002183 5.125 4.86/6.294 5.296 ± 0.8992
ea28 1342 1342/1342 1342 ± 0 5.613 5.466/6.597 5.889 ± 0.7524
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 ± 0.0000236 5.175 4.965/5.283 5.115 ± 0.2477
5 1342 1342/1342 1342 ± 0.00003298 5.179 4.942/5.461 5.217 ± 0.3603
6 1342 1342/1342 1342 ± 0.0000236 5.166 4.997/5.421 5.19 ± 0.2593
7 1342 1342/1342 1342 ± 0.0000236 5.25 5.061/5.433 5.225 ± 0.2524
8 1342 1342/1342 1342 ± 0.0000236 5.24 5.064/5.464 5.25 ± 0.2773
9 1342 1342/1342 1342 ± 0.0000236 5.433 5.243/5.719 5.471 ± 0.3045
10 1342 1342/1342 1342 ± 0.00002405 6.12 5.956/6.222 6.073 ± 0.2837
11 1342 1342/1342 1342 ± 0.0000236 6.356 6.196/6.53 6.361 ± 0.2609
12 1342 1342/1342 1342 ± 0.0000236 6.571 6.31/6.745 6.54 ± 0.3149
13 1342 1342/1342 1342 ± 0.0000236 6.681 6.319/6.961 6.665 ± 0.4099
14 1342 1342/1342 1342 ± 0.00005422 5.139 4.621/5.756 5.24 ± 0.746
15 1342 1342/1342 1342 ± 0.0000236 6.615 6.127/6.937 6.552 ± 0.4609
16 1342 1342/1342 1342 ± 0.00006081 3.802 3.636/4.218 3.954 ± 0.4782
17 1342 1342/1342 1342 ± 0.0000609 3.715 3.518/4.01 3.789 ± 0.3762
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-08-02 00:00:04.229
End
2025-08-02 00:10:57.399
Duration
0:10:53.169
Note, WebLog generation is not included in the time.

CASA logs for stage 8