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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.777 4.693/5.376 4.998 ± 0.367
ea02 1342 1342/1342 1342 ± 0.000001844 5.932 5.662/6.401 6.153 ± 0.5649
ea03 1342 1342/1342 1342 ± 0 5.908 5.422/6.533 6.004 ± 0.5825
ea04 1342 1342/1342 1342 ± 0.000002258 5.447 5.218/5.991 5.556 ± 0.4709
ea05 1342 1342/1342 1342 ± 0.000009285 5.572 5.304/6.37 5.805 ± 0.5631
ea06 1342 1342/1342 1342 ± 0.00000701 5.59 5.113/6.018 5.693 ± 0.5607
ea07 1342 1342/1342 1342 ± 0 5.644 5.291/6.193 5.826 ± 0.6381
ea08 1342 1342/1342 1342 ± 0 6.076 5.758/6.698 6.258 ± 0.5768
ea09 1342 1342/1342 1342 ± 0 5.58 5.162/6.302 5.686 ± 0.559
ea10 1342 1342/1342 1342 ± 0 5.317 5.033/5.951 5.475 ± 0.5209
ea11 1342 1342/1342 1342 ± 0.00003726 5.448 4.868/6.081 5.475 ± 0.6102
ea12 1342 1342/1342 1342 ± 0.000008628 5.403 5.317/6.109 5.621 ± 0.503
ea13 1342 1342/1342 1342 ± 0 5.865 5.616/6.352 5.996 ± 0.5833
ea14 1342 1342/1342 1342 ± 0 5.925 5.565/6.454 6.017 ± 0.5224
ea15 1342 1342/1342 1342 ± 0.00002407 5.824 5.573/6.61 6.09 ± 0.6488
ea17 1342 1342/1342 1342 ± 0 5.88 5.68/6.872 6.136 ± 0.6494
ea18 1342 1342/1342 1342 ± 0 6.201 5.913/6.919 6.404 ± 0.5814
ea19 1342 1342/1342 1342 ± 0.00003003 5.604 5.365/6.394 5.853 ± 0.5236
ea20 1342 1342/1342 1342 ± 0 5.829 5.568/6.571 6.05 ± 0.5307
ea21 1342 1342/1342 1342 ± 0 5.248 5.109/5.785 5.468 ± 0.4477
ea22 1342 1342/1342 1342 ± 0 5.998 5.83/6.76 6.225 ± 0.5806
ea23 1342 1342/1342 1342 ± 0 5.623 5.327/6.206 5.802 ± 0.6033
ea24 1342 1342/1342 1342 ± 0 5.949 5.382/6.462 5.907 ± 0.547
ea25 1342 1342/1342 1342 ± 0.000001844 6.319 5.638/6.743 6.348 ± 0.7087
ea28 1342 1342/1342 1342 ± 0 6.237 5.779/6.907 6.333 ± 0.6167
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 ± 0.00002422 5.471 5.254/5.635 5.446 ± 0.3038
5 1342 1342/1342 1342 ± 0.00002393 5.372 5.167/5.676 5.401 ± 0.3268
6 1342 1342/1342 1342 ± 0.00002393 5.204 4.955/5.438 5.22 ± 0.349
7 1342 1342/1342 1342 ± 0.00002393 5.403 5.221/5.617 5.402 ± 0.2818
8 1342 1342/1342 1342 ± 0.00002393 5.321 5.14/5.576 5.343 ± 0.3062
9 1342 1342/1342 1342 ± 0.00002393 5.611 5.519/5.884 5.627 ± 0.3343
10 1342 1342/1342 1342 ± 0.00002393 6.058 5.914/6.252 6.019 ± 0.3144
11 1342 1342/1342 1342 ± 0.00002393 6.274 6.017/6.438 6.222 ± 0.3578
12 1342 1342/1342 1342 ± 0.00002393 6.402 6.105/6.581 6.369 ± 0.3736
13 1342 1342/1342 1342 ± 0.00002393 6.876 6.436/7.082 6.8 ± 0.4101
14 1342 1342/1342 1342 ± 0.00002393 6.839 6.418/7.176 6.774 ± 0.4948
15 1342 1342/1342 1342 ± 0.00002393 6.608 6.325/6.952 6.592 ± 0.4099
16 1342 1342/1342 1342 ± 0.00003478 5.645 5.358/5.943 5.654 ± 0.4358
17 1342 1342/1342 1342 ± 0.00003902 5.558 5.319/5.885 5.549 ± 0.4196
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-19 06:40:25.345
End
2025-07-19 07:26:56.811
Duration
0:46:31.465
Note, WebLog generation is not included in the time.

CASA logs for stage 8