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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.332 5.139/6.427 5.681 ± 0.8636
ea02 1342 1342/1342 1342 ± 0.00000209 5.41 5.028/6.184 5.564 ± 0.8841
ea03 1342 1342/1342 1342 ± 0 5.601 4.951/6.43 5.6 ± 0.8628
ea04 1342 1342/1342 1342 ± 0.00004005 5.029 4.803/5.949 5.287 ± 0.717
ea05 1342 1342/1342 1342 ± 0.00004148 5.157 4.944/6.378 5.462 ± 0.8861
ea06 1342 1342/1342 1342 ± 0 5.124 4.677/5.715 5.233 ± 0.7276
ea07 1342 1342/1342 1342 ± 0.000006378 4.926 4.735/5.992 5.336 ± 0.8824
ea08 1342 1342/1342 1342 ± 0 5.394 5.099/6.49 5.74 ± 0.8906
ea09 1342 1342/1342 1342 ± 0.00004078 4.862 4.705/6.01 5.167 ± 0.758
ea10 1342 1342/1342 1342 ± 0.0000416 4.783 4.508/5.837 5.055 ± 0.7817
ea11 1342 1342/1342 1342 ± 0.0000424 5.023 4.537/6.135 5.285 ± 0.909
ea12 1342 1342/1342 1342 ± 0.00003508 5.014 4.786/5.939 5.281 ± 0.6567
ea14 1342 1342/1342 1342 ± 0.0000415 5.311 5.121/6.22 5.596 ± 0.6901
ea15 1342 1342/1342 1342 ± 0.00004164 5.252 5.09/6.308 5.589 ± 0.8994
ea16 1342 1342/1342 1342 ± 0 5.459 5.187/6.377 5.652 ± 0.8758
ea17 1342 1342/1342 1342 ± 0.00002166 5.27 4.966/6.631 5.651 ± 0.8072
ea18 1342 1342/1342 1342 ± 0 5.609 5.22/6.633 5.828 ± 0.8054
ea19 1342 1342/1342 1342 ± 0.00001682 5.219 4.994/6.284 5.515 ± 0.7583
ea21 1342 1342/1342 1342 ± 0 4.869 4.658/5.606 5.055 ± 0.6837
ea22 1342 1342/1342 1342 ± 0 5.343 5.008/6.368 5.57 ± 0.7922
ea23 1342 1342/1342 1342 ± 0.0000415 5.296 5.025/6.187 5.609 ± 0.7907
ea24 1342 1342/1342 1342 ± 0.000003412 5.263 4.889/6.31 5.479 ± 0.7901
ea25 1342 1342/1342 1342 ± 0 5.857 5.141/6.589 5.861 ± 0.947
ea27 1342 1342/1342 1342 ± 0 5.187 4.959/6.252 5.465 ± 0.7705
ea28 1342 1342/1342 1342 ± 0.00001341 5.43 5.315/6.773 5.818 ± 0.8671
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 4.943 4.764/5.119 4.903 ± 0.3055
4 1342 1342/1342 1342 ± 0.00002558 3.847 3.651/4.061 3.879 ± 0.3012
5 1342 1342/1342 1342 ± 0.00002392 4.948 4.742/5.267 4.985 ± 0.2727
6 1342 1342/1342 1342 ± 0.00002392 4.969 4.777/5.223 4.974 ± 0.2517
7 1342 1342/1342 1342 ± 0.00002392 5.034 4.898/5.15 5.009 ± 0.2169
8 1342 1342/1342 1342 ± 0.00002392 4.977 4.809/5.119 4.962 ± 0.2442
9 1342 1342/1342 1342 ± 0.00002392 5.332 5.125/5.522 5.288 ± 0.2543
10 1342 1342/1342 1342 ± 0.00002392 5.866 5.748/6.001 5.849 ± 0.2435
11 1342 1342/1342 1342 ± 0.00002392 6.132 5.923/6.19 6.086 ± 0.2504
12 1342 1342/1342 1342 ± 0.00002392 6.273 6.01/6.433 6.247 ± 0.2933
13 1342 1342/1342 1342 ± 0.00002392 6.71 6.548/6.912 6.68 ± 0.3009
14 1342 1342/1342 1342 ± 0.00002392 6.829 6.508/6.985 6.776 ± 0.3266
15 1342 1342/1342 1342 ± 0.00002392 6.612 6.262/6.777 6.539 ± 0.344
16 1342 1342/1342 1342 ± 0.00005941 5.156 4.984/5.378 5.21 ± 0.3184
17 1342 1342/1342 1342 ± 0.00006024 4.977 4.809/5.197 5.039 ± 0.3237
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 14:59:56.268
End
2025-07-22 15:54:08.321
Duration
0:54:12.054
Note, WebLog generation is not included in the time.

CASA logs for stage 8