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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.486 5.285/6.332 5.734 ± 0.7234
ea02 1342 1342/1342 1342 ± 0.00003255 5.808 5.367/6.465 5.805 ± 0.6386
ea03 1342 1342/1342 1342 ± 0 5.278 5.057/6.214 5.674 ± 0.7302
ea04 1342 1342/1342 1342 ± 0.00003872 5.367 4.92/6.218 5.518 ± 0.6601
ea05 1342 1342/1342 1342 ± 0.00004602 5.558 5.111/6.306 5.7 ± 0.7527
ea06 1342 1342/1342 1342 ± 0.000001281 5.188 4.7/5.808 5.296 ± 0.6171
ea07 1342 1342/1342 1342 ± 0.00003002 5.393 5.018/6.271 5.569 ± 0.667
ea08 1342 1342/1342 1342 ± 0.00003142 5.959 5.416/6.663 5.933 ± 0.7226
ea09 1342 1342/1342 1342 ± 0.00003617 4.798 4.652/5.629 5.12 ± 0.5718
ea10 1342 1342/1342 1342 ± 0.0000401 4.741 4.482/5.423 4.873 ± 0.4873
ea11 1342 1342/1342 1342 ± 0.00004306 5.905 4.801/6.431 5.718 ± 0.8522
ea12 1342 1342/1342 1342 ± 0.0000334 5.307 4.859/5.974 5.421 ± 0.6601
ea14 1342 1342/1342 1342 ± 0.00003959 5.66 5.182/6.431 5.749 ± 0.7158
ea15 1342 1342/1342 1342 ± 0.00004315 5.514 4.895/6.31 5.605 ± 0.8035
ea16 1342 1342/1342 1342 ± 0.000002513 5.558 5.219/6.168 5.709 ± 0.6578
ea17 1342 1342/1342 1342 ± 0.00003437 5.958 5.267/6.721 6.018 ± 0.7878
ea18 1342 1342/1342 1342 ± 0.00003336 5.712 5.388/6.518 5.88 ± 0.7153
ea19 1342 1342/1342 1342 ± 0.00002097 5.415 5.157/6.199 5.598 ± 0.7354
ea20 1342 1342/1342 1342 ± 0.000008496 5.509 5.251/6.226 5.761 ± 0.6465
ea21 1342 1342/1342 1342 ± 0 5.019 4.776/5.757 5.231 ± 0.5595
ea22 1342 1342/1342 1342 ± 0.00002925 5.648 5.181/6.434 5.728 ± 0.654
ea23 1342 1342/1342 1342 ± 0.00003727 5.897 5.032/6.522 5.813 ± 0.7507
ea24 1342 1342/1342 1342 ± 0 5.216 4.766/5.996 5.369 ± 0.6114
ea25 1342 1342/1342 1342 ± 0 5.977 5.31/6.622 6.093 ± 0.8528
ea27 1342 1342/1342 1342 ± 0.00000355 5.15 4.781/6.132 5.341 ± 0.7442
ea28 1342 1342/1342 1342 ± 0.000001281 5.417 5.109/6.302 5.698 ± 0.6974
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 ± 0.00002356 5.081 4.779/5.321 5.066 ± 0.2844
5 1342 1342/1342 1342 ± 0.00002771 5.003 4.753/5.236 5.013 ± 0.2945
6 1342 1342/1342 1342 ± 0.00002356 4.971 4.832/5.259 5.037 ± 0.2984
7 1342 1342/1342 1342 ± 0.00002356 5.231 5.06/5.465 5.198 ± 0.2874
8 1342 1342/1342 1342 ± 0.00002356 5.216 4.967/5.466 5.192 ± 0.3407
9 1342 1342/1342 1342 ± 0.00002356 5.514 5.293/5.832 5.512 ± 0.3506
10 1342 1342/1342 1342 ± 0.00002356 5.99 5.746/6.282 5.971 ± 0.337
11 1342 1342/1342 1342 ± 0.00002356 6.232 6.084/6.5 6.252 ± 0.3324
12 1342 1342/1342 1342 ± 0.00002356 6.463 6.195/6.631 6.402 ± 0.3627
13 1342 1342/1342 1342 ± 0.00002401 6.917 6.546/7.017 6.81 ± 0.3268
14 1342 1342/1342 1342 ± 0.00002433 6.187 5.974/6.647 6.296 ± 0.4515
15 1342 1342/1342 1342 ± 0.00002363 6.307 5.954/6.524 6.21 ± 0.448
16 1342 1342/1342 1342 ± 0.00006096 4.708 4.525/5.043 4.779 ± 0.4131
17 1342 1342/1342 1342 ± 0.00005992 4.776 4.554/5.002 4.792 ± 0.351
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-26 16:43:04.143
End
2025-07-26 17:34:41.751
Duration
0:51:37.609
Note, WebLog generation is not included in the time.

CASA logs for stage 8