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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.205 5.527/6.499 6.069 ± 0.6151
ea02 1342 1342/1342 1342 ± 0.00002955 6.001 5.327/6.538 5.901 ± 0.8559
ea03 1342 1342/1342 1342 ± 0 5.502 5.014/6.327 5.589 ± 0.8214
ea04 1342 1342/1342 1342 ± 0 5.724 5.133/6.412 5.792 ± 0.6548
ea06 1342 1342/1342 1342 ± 0 6.325 5.461/6.472 6.051 ± 0.6183
ea07 1342 1342/1342 1342 ± 0 5.993 5.389/6.391 5.988 ± 0.6733
ea08 1342 1342/1342 1342 ± 0 6.025 5.501/6.684 6.132 ± 0.7441
ea09 1342 1342/1342 1342 ± 0 5.896 5.252/6.642 5.946 ± 0.7025
ea10 1342 1342/1342 1342 ± 0 5.899 5.299/6.593 5.876 ± 0.7619
ea11 1342 1342/1342 1342 ± 0 6.137 5.289/6.583 6.02 ± 0.7834
ea12 1342 1342/1342 1342 ± 0 5.892 5.371/6.516 6.018 ± 0.7344
ea13 1342 1342/1342 1342 ± 0 5.703 5.638/6.251 5.879 ± 0.5506
ea14 1342 1342/1342 1342 ± 0 6.239 5.488/6.647 6.17 ± 0.7045
ea15 1342 1342/1342 1342 ± 0 5.589 4.923/5.939 5.505 ± 0.7197
ea16 1342 1342/1342 1342 ± 0 6.022 5.509/6.635 6.108 ± 0.7498
ea17 1342 1342/1342 1342 ± 0 6.342 5.958/7.205 6.559 ± 0.7134
ea18 1342 1342/1342 1342 ± 0 4.396 4.113/4.831 4.487 ± 0.4504
ea19 1342 1342/1342 1342 ± 0 6.091 5.578/6.714 6.19 ± 0.7091
ea20 1342 1342/1342 1342 ± 0 5.902 5.462/6.541 5.945 ± 0.7701
ea21 1342 1342/1342 1342 ± 0 5.845 5.37/6.436 5.93 ± 0.6506
ea22 1342 1342/1342 1342 ± 0 6.217 5.37/6.631 6.04 ± 0.7485
ea23 1342 1342/1342 1342 ± 0 6.053 5.505/6.526 6.075 ± 0.7726
ea24 1342 1342/1342 1342 ± 0 5.75 4.996/6.244 5.611 ± 0.6059
ea25 1342 1342/1342 1342 ± 0 6.442 5.561/6.907 6.324 ± 0.8192
ea26 1342 1342/1342 1342 ± 0 6.251 5.614/7.029 6.281 ± 0.7243
ea27 1342 1342/1342 1342 ± 0 5.761 5.325/6.693 5.919 ± 0.7808
ea28 1342 1342/1342 1342 ± 0 6.063 5.596/6.737 6.184 ± 0.7804
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 ± 0.00002306 5.446 5.243/5.68 5.396 ± 0.3283
3 1342 1342/1342 1342 ± 0.00002661 4.793 4.355/4.998 4.735 ± 0.5537
4 1342 1342/1342 1342 ± 0.00002413 5.189 4.885/5.365 5.163 ± 0.4217
5 1342 1342/1342 1342 ± 0.00002306 5.444 5.134/5.511 5.326 ± 0.3665
6 1342 1342/1342 1342 ± 0.00002306 5.353 5.16/5.521 5.296 ± 0.3082
7 1342 1342/1342 1342 ± 0.00002306 5.459 5.27/5.556 5.386 ± 0.3136
8 1342 1342/1342 1342 ± 0.00002306 5.375 5.171/5.614 5.356 ± 0.3512
9 1342 1342/1342 1342 ± 0.00002306 5.758 5.567/5.921 5.686 ± 0.3761
10 1342 1342/1342 1342 ± 0.00002306 6.242 6.058/6.348 6.135 ± 0.3918
11 1342 1342/1342 1342 ± 0.00002306 6.472 6.257/6.602 6.37 ± 0.4036
12 1342 1342/1342 1342 ± 0.00002306 6.613 6.39/6.654 6.511 ± 0.4296
13 1342 1342/1342 1342 ± 0.00002306 7.005 6.824/7.261 6.974 ± 0.4701
14 1342 1342/1342 1342 ± 0.00002306 7.239 7.104/7.483 7.175 ± 0.474
15 1342 1342/1342 1342 ± 0.00002306 6.909 6.714/7.09 6.851 ± 0.44
16 1342 1342/1342 1342 ± 0.00002306 6.22 6.067/6.467 6.221 ± 0.4311
17 1342 1342/1342 1342 ± 0.00002306 6.267 5.996/6.41 6.187 ± 0.4068
output_dir
 
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-05-23 15:04:55.824
End
2025-05-23 15:54:41.447
Duration
0:49:45.623
Note, WebLog generation is not included in the time.

CASA logs for stage 8