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 5.422 5.15/6.16 5.422 ± 1.033
ea02 1342 1342/1342 1342 ± 0.00003362 5.571 5.187/6.341 5.512 ± 0.9903
ea03 1342 1342/1342 1342 ± 0.000008669 5.269 5.136/6.612 5.706 ± 0.8252
ea04 1342 1342/1342 1342 ± 0.00004778 5.099 4.856/5.976 5.163 ± 0.824
ea05 1342 1342/1342 1342 ± 0.00005147 5.221 5.016/6.337 5.344 ± 1.021
ea06 1342 1342/1342 1342 ± 0.00001932 4.841 4.689/5.85 5.271 ± 0.7196
ea07 1342 1342/1342 1342 ± 0.00004249 5.103 4.854/6.208 5.325 ± 1.019
ea08 1342 1342/1342 1342 ± 0.00001099 5.7 5.354/6.663 5.801 ± 0.9627
ea09 1342 1342/1342 1342 ± 0.00004795 4.916 4.711/5.858 5.038 ± 0.8257
ea10 1342 1342/1342 1342 ± 0.0000518 4.893 4.536/5.979 5.019 ± 0.9032
ea11 1342 1342/1342 1342 ± 0.00004925 5.163 4.464/6.175 5.17 ± 0.9452
ea12 1342 1342/1342 1342 ± 0.0000474 5.076 4.827/5.855 5.134 ± 0.8518
ea14 1342 1342/1342 1342 ± 0.00005175 5.371 5.098/6.38 5.456 ± 0.9552
ea15 1342 1342/1342 1342 ± 0.00005212 5.459 5.043/6.51 5.511 ± 1.059
ea16 1342 1342/1342 1342 ± 0.0000189 5.643 5.074/6.541 5.671 ± 0.9645
ea17 1342 1342/1342 1342 ± 0.00004905 5.543 5.099/6.432 5.553 ± 1.024
ea18 1342 1342/1342 1342 ± 0.00001044 5.641 5.311/6.674 5.722 ± 1.014
ea19 1342 1342/1342 1342 ± 0.00004267 5.173 4.977/6.206 5.393 ± 0.8847
ea20 1342 1342/1342 1342 ± 0.00004745 5.771 5.47/6.78 5.73 ± 1.092
ea21 1342 1342/1342 1342 ± 0.000008803 5.023 4.861/5.842 5.251 ± 0.687
ea22 1342 1342/1342 1342 ± 0.00002345 5.519 5.02/6.344 5.447 ± 1.004
ea23 1342 1342/1342 1342 ± 0.0000524 5.454 4.975/6.271 5.432 ± 0.9751
ea24 1342 1342/1342 1342 ± 0.00002038 5.071 4.951/6.292 5.467 ± 0.8116
ea25 1342 1342/1342 1342 ± 0.0000103 5.467 5.332/6.795 5.928 ± 0.9963
ea27 1342 1342/1342 1342 ± 0.00001811 5.144 4.898/6.271 5.388 ± 0.8415
ea28 1342 1342/1342 1342 ± 0.00002697 5.537 5.447/6.658 5.739 ± 0.9588
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 ± 0.00002348 5.086 4.885/5.217 5.072 ± 0.2644
4 1342 1342/1342 1342 ± 0.00005922 3.462 3.333/3.681 3.493 ± 0.2199
5 1342 1342/1342 1342 ± 0.00002363 5.101 4.891/5.417 5.137 ± 0.3133
6 1342 1342/1342 1342 ± 0.00002348 5.091 4.866/5.368 5.114 ± 0.2762
7 1342 1342/1342 1342 ± 0.00002348 5.184 4.973/5.359 5.158 ± 0.2587
8 1342 1342/1342 1342 ± 0.00002348 5.163 4.985/5.411 5.181 ± 0.2896
9 1342 1342/1342 1342 ± 0.00002348 5.485 5.272/5.718 5.49 ± 0.3078
10 1342 1342/1342 1342 ± 0.00002348 6.038 5.803/6.181 6.009 ± 0.2757
11 1342 1342/1342 1342 ± 0.00002348 6.325 6.157/6.435 6.292 ± 0.2769
12 1342 1342/1342 1342 ± 0.00002348 6.49 6.21/6.613 6.451 ± 0.3141
13 1342 1342/1342 1342 ± 0.00002349 6.796 6.451/7.057 6.769 ± 0.3404
14 1342 1342/1342 1342 ± 0.00004833 5.972 5.704/6.266 6.048 ± 0.5145
15 1342 1342/1342 1342 ± 0.00002348 6.708 6.285/6.982 6.642 ± 0.3692
16 1342 1342/1342 1342 ± 0.0000598 4.057 3.848/4.459 4.188 ± 0.4475
17 1342 1342/1342 1342 ± 0.0000608 4.132 3.929/4.463 4.228 ± 0.3997
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-07-22 23:20:52.567
End
2025-07-23 00:24:08.178
Duration
1:03:15.612
Note, WebLog generation is not included in the time.

CASA logs for stage 8