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 6.01 5.627/6.8 6.085 ± 0.8476
ea02 1342 1342/1342 1342 ± 0 6.209 5.589/6.572 6.093 ± 0.805
ea03 1342 1342/1342 1342 ± 0 6.123 5.485/6.725 6.139 ± 0.6997
ea04 1342 1342/1342 1342 ± 0 5.647 5.164/6.078 5.597 ± 0.7528
ea05 1342 1342/1342 1342 ± 0 5.907 5.314/6.443 5.878 ± 0.8034
ea06 1342 1342/1342 1342 ± 0 5.974 5.182/6.133 5.793 ± 0.624
ea07 1342 1342/1342 1342 ± 0 5.934 5.327/6.475 5.9 ± 0.814
ea08 1342 1342/1342 1342 ± 0 6.643 5.679/6.85 6.39 ± 0.7043
ea09 1342 1342/1342 1342 ± 0 5.674 5.152/6.4 5.693 ± 0.8747
ea10 1342 1342/1342 1342 ± 0 5.669 5.061/6.119 5.585 ± 0.8028
ea11 1342 1342/1342 1342 ± 0 5.591 5.277/6.362 5.685 ± 0.7983
ea12 1342 1342/1342 1342 ± 0 5.56 5.306/6.148 5.664 ± 0.7351
ea13 1342 1342/1342 1342 ± 0 6.175 5.497/6.304 6.001 ± 0.5451
ea14 1342 1342/1342 1342 ± 0 6.07 5.616/6.526 6.016 ± 0.8163
ea15 1342 1342/1342 1342 ± 0 6.72 6.659/7.283 6.898 ± 0.4108
ea17 1342 1342/1342 1342 ± 0 6.198 5.753/6.865 6.186 ± 0.9217
ea18 1342 1342/1342 1342 ± 0 6.458 5.868/7.081 6.414 ± 0.6945
ea19 1342 1342/1342 1342 ± 0 5.957 5.543/6.51 5.961 ± 0.7753
ea20 1342 1342/1342 1342 ± 0 6.422 5.924/6.981 6.414 ± 0.7816
ea21 1342 1342/1342 1342 ± 0 5.397 5.137/5.917 5.468 ± 0.6644
ea22 1342 1342/1342 1342 ± 0 6.497 5.635/6.881 6.279 ± 0.7796
ea23 1342 1342/1342 1342 ± 0 6.018 5.495/6.313 5.9 ± 0.8865
ea24 1342 1342/1342 1342 ± 0 6.04 5.199/6.393 5.829 ± 0.6281
ea25 1342 1342/1342 1342 ± 0 6.364 5.731/6.921 6.371 ± 0.8371
ea27 1342 1342/1342 1342 ± 0 5.631 5.225/6.341 5.657 ± 0.8009
ea28 1342 1342/1342 1342 ± 0 6.482 5.776/7.047 6.38 ± 0.7836
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 5.502 5.39/5.667 5.528 ± 0.2436
3 1342 1342/1342 1342 ± 0.00002629 3.87 3.611/4.427 4.089 ± 0.6346
4 1342 1342/1342 1342 ± 0.00002489 5.321 5.143/5.689 5.391 ± 0.3292
5 1342 1342/1342 1342 ± 0.00002439 5.237 5.05/5.449 5.252 ± 0.2709
6 1342 1342/1342 1342 ± 0.00002392 5.338 5.065/5.599 5.358 ± 0.2986
7 1342 1342/1342 1342 ± 0.00002392 5.502 5.356/5.746 5.526 ± 0.2435
8 1342 1342/1342 1342 ± 0.00002392 5.482 5.189/5.661 5.457 ± 0.2829
9 1342 1342/1342 1342 ± 0.00002392 5.731 5.556/5.949 5.753 ± 0.281
10 1342 1342/1342 1342 ± 0.00002348 6.235 6.068/6.341 6.216 ± 0.2621
11 1342 1342/1342 1342 ± 0.00002348 6.414 6.198/6.644 6.419 ± 0.2697
12 1342 1342/1342 1342 ± 0.00002348 6.507 6.297/6.738 6.55 ± 0.3215
13 1342 1342/1342 1342 ± 0.00002348 7.039 6.674/7.267 7.005 ± 0.3392
14 1342 1342/1342 1342 ± 0.00002348 7.242 6.891/7.507 7.181 ± 0.342
15 1342 1342/1342 1342 ± 0.00002348 6.853 6.571/7.226 6.879 ± 0.372
16 1342 1342/1342 1342 ± 0.00002348 6.356 5.974/6.781 6.341 ± 0.4286
17 1342 1342/1342 1342 ± 0.00002348 6.281 6.013/6.645 6.283 ± 0.406
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-30 00:22:16.449
End
2025-07-30 01:13:05.827
Duration
0:50:49.379
Note, WebLog generation is not included in the time.

CASA logs for stage 8