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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.113 5.824/6.799 6.267 ± 0.6946
ea02 1342 1342/1342 1342 ± 0 6.296 5.821/6.616 6.264 ± 0.7245
ea03 1342 1342/1342 1342 ± 0 5.961 5.491/6.685 6.117 ± 0.7731
ea04 1342 1342/1342 1342 ± 0 5.664 5.207/6.11 5.671 ± 0.6731
ea05 1342 1342/1342 1342 ± 0 5.956 5.534/6.509 6.028 ± 0.6874
ea06 1342 1342/1342 1342 ± 0 5.844 5.218/6.166 5.759 ± 0.7077
ea07 1342 1342/1342 1342 ± 0 6.274 5.453/6.667 6.129 ± 0.7723
ea08 1342 1342/1342 1342 ± 0 6.809 5.876/7.01 6.547 ± 0.685
ea09 1342 1342/1342 1342 ± 0 5.754 5.282/6.469 5.753 ± 1.009
ea10 1342 1342/1342 1342 ± 0 5.771 5.357/6.224 5.738 ± 0.7393
ea11 1342 1342/1342 1342 ± 0 5.814 5.5/6.558 5.958 ± 0.739
ea12 1342 1342/1342 1342 ± 0 5.609 5.367/6.241 5.794 ± 0.6771
ea13 1342 1342/1342 1342 ± 0 6.309 5.657/6.448 5.97 ± 0.946
ea14 1342 1342/1342 1342 ± 0 6.146 5.759/6.649 6.191 ± 0.7052
ea15 1342 1342/1342 1342 ± 0 6.842 6.79/7.422 7.043 ± 0.429
ea17 1342 1342/1342 1342 ± 0 6.375 5.922/6.975 6.407 ± 0.7963
ea18 1342 1342/1342 1342 ± 0 6.399 5.966/6.99 6.507 ± 0.6697
ea19 1342 1342/1342 1342 ± 0 6.029 5.646/6.65 6.12 ± 0.6837
ea20 1342 1342/1342 1342 ± 0 6.563 6.082/7.128 6.628 ± 0.6983
ea21 1342 1342/1342 1342 ± 0 5.445 5.196/5.976 5.547 ± 0.5982
ea22 1342 1342/1342 1342 ± 0 6.137 5.66/6.568 6.156 ± 0.6323
ea23 1342 1342/1342 1342 ± 0.000008524 6.193 5.695/6.52 6.153 ± 0.7938
ea24 1342 1342/1342 1342 ± 0 6.294 5.255/6.653 6.012 ± 0.669
ea25 1342 1342/1342 1342 ± 0 6.429 5.784/7.022 6.491 ± 0.8606
ea27 1342 1342/1342 1342 ± 0 5.628 5.29/6.376 5.739 ± 0.7112
ea28 1342 1342/1342 1342 ± 0 6.369 5.89/7.178 6.505 ± 0.7374
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 5.652 5.4/5.802 5.628 ± 0.2683
3 1342 1342/1342 1342 ± 0.00002439 4.544 4.188/4.934 4.526 ± 0.7428
4 1342 1342/1342 1342 ± 0.00002521 5.463 5.223/5.708 5.497 ± 0.3322
5 1342 1342/1342 1342 ± 0.00002392 5.677 5.303/5.856 5.625 ± 0.3066
6 1342 1342/1342 1342 ± 0.00002392 5.544 5.347/5.805 5.552 ± 0.2898
7 1342 1342/1342 1342 ± 0.00002392 5.655 5.443/5.857 5.631 ± 0.2606
8 1342 1342/1342 1342 ± 0.00002392 5.517 5.261/5.808 5.546 ± 0.3161
9 1342 1342/1342 1342 ± 0.00002392 5.819 5.625/6.081 5.835 ± 0.3082
10 1342 1342/1342 1342 ± 0.00002348 6.339 6.143/6.449 6.318 ± 0.282
11 1342 1342/1342 1342 ± 0.00002348 6.518 6.285/6.682 6.524 ± 0.2896
12 1342 1342/1342 1342 ± 0.00002348 6.669 6.414/6.799 6.657 ± 0.3285
13 1342 1342/1342 1342 ± 0.00002348 7.142 6.845/7.466 7.14 ± 0.3578
14 1342 1342/1342 1342 ± 0.00002348 7.351 7.016/7.664 7.319 ± 0.3664
15 1342 1342/1342 1342 ± 0.00002348 6.989 6.6/7.324 6.974 ± 0.384
16 1342 1342/1342 1342 ± 0.00002434 6.411 6.023/6.871 6.408 ± 0.4376
17 1342 1342/1342 1342 ± 0.00002348 6.417 6.043/6.744 6.376 ± 0.4162
output_dir
 
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-29 06:43:38.711
End
2025-07-29 07:48:55.882
Duration
1:05:17.171
Note, WebLog generation is not included in the time.

CASA logs for stage 8