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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 6.13 5.408/6.508 5.95 ± 0.8276
ea02 1342 1342/1342 1342 ± 0.00001673 6.229 5.5/6.4 6.024 ± 0.7277
ea03 1342 1342/1342 1342 ± 0.000001911 6.11 5.434/6.741 6.099 ± 0.7602
ea04 1342 1342/1342 1342 ± 0 5.464 4.985/5.922 5.42 ± 0.7595
ea05 1342 1342/1342 1342 ± 0 5.786 5.265/6.464 5.818 ± 0.8099
ea06 1342 1342/1342 1342 ± 0 5.867 5.064/6.108 5.719 ± 0.6656
ea07 1342 1342/1342 1342 ± 0 5.854 5.137/6.323 5.804 ± 0.8261
ea08 1342 1342/1342 1342 ± 0 6.378 5.626/6.796 6.301 ± 0.7349
ea09 1342 1342/1342 1342 ± 0 5.656 5.101/6.379 5.751 ± 0.6571
ea10 1342 1342/1342 1342 ± 0 5.52 5.003/5.999 5.45 ± 0.7585
ea11 1342 1342/1342 1342 ± 0.000003699 5.327 5.024/6.181 5.47 ± 0.7897
ea13 1342 1342/1342 1342 ± 0 6.075 5.509/6.342 5.977 ± 0.5817
ea14 1342 1342/1342 1342 ± 0 5.925 5.5/6.541 5.93 ± 0.8167
ea15 1342 1342/1342 1342 ± 0.000002702 6.202 5.575/6.616 6.175 ± 0.6978
ea16 1342 1342/1342 1342 ± 0 6.21 5.628/6.733 6.209 ± 0.7082
ea17 1342 1342/1342 1342 ± 0 6.252 5.671/7.087 6.219 ± 0.8823
ea18 1342 1342/1342 1342 ± 0 6.399 5.889/7.032 6.486 ± 0.7269
ea19 1342 1342/1342 1342 ± 0 5.86 5.381/6.457 5.865 ± 0.8056
ea20 1342 1342/1342 1342 ± 0 5.902 5.462/6.406 5.958 ± 0.7155
ea21 1342 1342/1342 1342 ± 0 5.575 5.155/6.05 5.628 ± 0.5407
ea22 1342 1342/1342 1342 ± 0 6.157 5.546/6.656 6.174 ± 0.7251
ea23 1342 1342/1342 1342 ± 0 6.021 5.417/6.374 5.92 ± 0.9076
ea24 1342 1342/1342 1342 ± 0 6.063 5.327/6.467 5.879 ± 0.5994
ea25 1342 1342/1342 1342 ± 0 6.568 5.736/7.033 6.525 ± 0.8543
ea27 1342 1342/1342 1342 ± 0 5.814 5.232/6.508 5.825 ± 0.7216
ea28 1342 1342/1342 1342 ± 0 6.33 5.667/6.914 6.305 ± 0.6508
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 ± 0.00002348 5.465 5.311/5.642 5.478 ± 0.2377
3 1342 1342/1342 1342 ± 0.00003016 4.085 3.62/4.564 4.207 ± 0.7197
4 1342 1342/1342 1342 ± 0.00002413 5.08 4.89/5.365 5.152 ± 0.3162
5 1342 1342/1342 1342 ± 0.00002349 5.304 5.086/5.552 5.297 ± 0.299
6 1342 1342/1342 1342 ± 0.00002348 5.34 5.1/5.509 5.32 ± 0.2845
7 1342 1342/1342 1342 ± 0.00002348 5.468 5.273/5.621 5.434 ± 0.2463
8 1342 1342/1342 1342 ± 0.00002348 5.395 5.171/5.573 5.386 ± 0.274
9 1342 1342/1342 1342 ± 0.00002348 5.687 5.573/5.918 5.719 ± 0.2833
10 1342 1342/1342 1342 ± 0.00002348 6.207 6.074/6.314 6.182 ± 0.2556
11 1342 1342/1342 1342 ± 0.00002348 6.378 6.197/6.578 6.389 ± 0.2665
12 1342 1342/1342 1342 ± 0.00002348 6.534 6.322/6.746 6.54 ± 0.3227
13 1342 1342/1342 1342 ± 0.00002348 7.012 6.697/7.235 6.977 ± 0.3458
14 1342 1342/1342 1342 ± 0.00002348 7.218 6.937/7.425 7.174 ± 0.363
15 1342 1342/1342 1342 ± 0.00002348 6.868 6.605/7.163 6.868 ± 0.3657
16 1342 1342/1342 1342 ± 0.00002349 6.166 5.882/6.434 6.203 ± 0.4166
17 1342 1342/1342 1342 ± 0.00002367 6.204 5.967/6.402 6.19 ± 0.3702
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
output_dir
 
Start time
2025-07-29 07:57:42.719
End
2025-07-29 09:10:32.018
Duration
1:12:49.300
Note, WebLog generation is not included in the time.

CASA logs for stage 8