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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.237 5.63/6.679 6.202 ± 0.6993
ea02 1342 1342/1342 1342 ± 0 6.269 5.548/6.487 6.222 ± 0.6386
ea03 1342 1342/1342 1342 ± 0 6.201 5.439/6.808 6.23 ± 0.7654
ea04 1342 1342/1342 1342 ± 0 5.652 5.132/6.152 5.725 ± 0.5941
ea05 1342 1342/1342 1342 ± 0 6.029 5.41/6.738 6.025 ± 0.7128
ea06 1342 1342/1342 1342 ± 0 6.118 5.131/6.318 5.854 ± 0.6883
ea07 1342 1342/1342 1342 ± 0 6.162 5.332/6.548 6.03 ± 0.7472
ea08 1342 1342/1342 1342 ± 0 6.711 5.71/6.845 6.45 ± 0.6951
ea09 1342 1342/1342 1342 ± 0 5.717 5.132/6.491 5.841 ± 0.6945
ea10 1342 1342/1342 1342 ± 0 5.883 5.214/6.301 5.812 ± 0.6239
ea11 1342 1342/1342 1342 ± 0 5.683 5.367/6.53 5.864 ± 0.752
ea12 1342 1342/1342 1342 ± 0 5.786 5.247/6.363 5.811 ± 0.6585
ea13 1342 1342/1342 1342 ± 0 6.079 5.587/6.324 6.07 ± 0.5344
ea14 1342 1342/1342 1342 ± 0 6.251 5.572/6.536 6.143 ± 0.6409
ea15 1342 1342/1342 1342 ± 0 6.23 5.58/6.649 6.203 ± 0.7087
ea16 1342 1342/1342 1342 ± 0 6.193 5.804/6.778 6.342 ± 0.681
ea17 1342 1342/1342 1342 ± 0 6.306 5.818/7.107 6.375 ± 0.7892
ea18 1342 1342/1342 1342 ± 0 6.511 5.893/7.214 6.485 ± 0.7239
ea19 1342 1342/1342 1342 ± 0 6.195 5.455/6.711 6.121 ± 0.6978
ea20 1342 1342/1342 1342 ± 0 5.988 5.684/6.065 5.838 ± 0.4165
ea21 1342 1342/1342 1342 ± 0 5.55 5.068/5.946 5.558 ± 0.5404
ea22 1342 1342/1342 1342 ± 0 6.18 5.508/6.577 6.035 ± 0.6387
ea23 1342 1342/1342 1342 ± 0 6.181 5.438/6.327 6.058 ± 0.6871
ea24 1342 1342/1342 1342 ± 0 6.288 5.378/6.704 6.055 ± 0.687
ea25 1342 1342/1342 1342 ± 0 6.567 5.745/7.156 6.546 ± 0.8449
ea27 1342 1342/1342 1342 ± 0 5.963 5.281/6.365 5.882 ± 0.6114
ea28 1342 1342/1342 1342 ± 0 6.48 5.756/7.038 6.458 ± 0.7055
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 ± 0.00002307 5.448 5.302/5.619 5.488 ± 0.2566
3 1342 1342/1342 1342 ± 0.00003254 4.526 4.28/5.05 4.738 ± 0.5311
4 1342 1342/1342 1342 ± 0.00002307 5.339 5.153/5.573 5.362 ± 0.2896
5 1342 1342/1342 1342 ± 0.00002307 5.407 5.14/5.713 5.465 ± 0.3004
6 1342 1342/1342 1342 ± 0.00002307 5.402 5.084/5.6 5.367 ± 0.277
7 1342 1342/1342 1342 ± 0.00002307 5.508 5.369/5.731 5.532 ± 0.2428
8 1342 1342/1342 1342 ± 0.00002307 5.491 5.204/5.659 5.449 ± 0.2824
9 1342 1342/1342 1342 ± 0.00002307 5.738 5.631/5.956 5.772 ± 0.2884
10 1342 1342/1342 1342 ± 0.00002349 6.22 6.118/6.314 6.209 ± 0.2467
11 1342 1342/1342 1342 ± 0.00002349 6.406 6.242/6.606 6.426 ± 0.2604
12 1342 1342/1342 1342 ± 0.00002349 6.554 6.338/6.744 6.576 ± 0.307
13 1342 1342/1342 1342 ± 0.00002349 7.04 6.768/7.314 7.055 ± 0.325
14 1342 1342/1342 1342 ± 0.00002349 7.339 7.063/7.517 7.303 ± 0.3407
15 1342 1342/1342 1342 ± 0.00002349 6.976 6.715/7.255 6.987 ± 0.3454
16 1342 1342/1342 1342 ± 0.00002349 6.333 6.041/6.695 6.371 ± 0.3856
17 1342 1342/1342 1342 ± 0.00002349 6.32 6.091/6.617 6.33 ± 0.3634
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-07-30 09:20:33.219
End
2025-07-30 10:36:52.090
Duration
1:16:18.872
Note, WebLog generation is not included in the time.

CASA logs for stage 8