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 6.192 5.499/6.558 6.051 ± 0.832
ea02 1342 1342/1342 1342 ± 0.0000286 6.264 5.507/6.395 6.05 ± 0.6986
ea03 1342 1342/1342 1342 ± 0 6.058 5.454/6.658 6.075 ± 0.7183
ea04 1342 1342/1342 1342 ± 0 5.586 5.085/5.991 5.51 ± 0.7225
ea05 1342 1342/1342 1342 ± 0 5.978 5.277/6.664 5.881 ± 0.7714
ea06 1342 1342/1342 1342 ± 0 5.894 5.1/6.104 5.74 ± 0.6475
ea07 1342 1342/1342 1342 ± 0 6.062 5.14/6.331 5.807 ± 0.8122
ea08 1342 1342/1342 1342 ± 0 6.519 5.612/6.825 6.286 ± 0.7294
ea09 1342 1342/1342 1342 ± 0 5.643 5.122/6.36 5.771 ± 0.6446
ea10 1342 1342/1342 1342 ± 0 5.512 5.112/6.086 5.478 ± 0.7346
ea11 1342 1342/1342 1342 ± 0.000003039 5.378 5.07/6.164 5.503 ± 0.7516
ea13 1342 1342/1342 1342 ± 0 6.19 5.562/6.378 6.037 ± 0.5698
ea14 1342 1342/1342 1342 ± 0 5.981 5.583/6.543 6.108 ± 0.5887
ea15 1342 1342/1342 1342 ± 0.000003525 6.235 5.629/6.641 6.243 ± 0.6963
ea16 1342 1342/1342 1342 ± 0 6.248 5.649/6.755 6.24 ± 0.6853
ea17 1342 1342/1342 1342 ± 0 6.243 5.773/7.098 6.242 ± 0.8483
ea18 1342 1342/1342 1342 ± 0 6.544 5.885/7.244 6.479 ± 0.7196
ea19 1342 1342/1342 1342 ± 0 6.009 5.385/6.64 5.911 ± 0.7895
ea20 1342 1342/1342 1342 ± 0 6.083 5.443/6.57 5.938 ± 0.6875
ea21 1342 1342/1342 1342 ± 0 5.479 5.137/5.978 5.602 ± 0.5153
ea22 1342 1342/1342 1342 ± 0 6.377 5.647/6.775 6.167 ± 0.6994
ea23 1342 1342/1342 1342 ± 0 6.008 5.462/6.401 5.957 ± 0.8364
ea24 1342 1342/1342 1342 ± 0 6.108 5.342/6.497 5.92 ± 0.6038
ea25 1342 1342/1342 1342 ± 0 6.53 5.732/6.994 6.537 ± 0.8014
ea27 1342 1342/1342 1342 ± 0 5.767 5.296/6.51 5.895 ± 0.6417
ea28 1342 1342/1342 1342 ± 0 6.326 5.699/6.915 6.316 ± 0.6493
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 5.535 5.357/5.697 5.526 ± 0.2405
3 1342 1342/1342 1342 ± 0.00003135 4.109 3.725/4.644 4.236 ± 0.6511
4 1342 1342/1342 1342 ± 0.00002425 5.187 4.949/5.488 5.232 ± 0.3124
5 1342 1342/1342 1342 ± 0.00002348 5.337 5.161/5.561 5.352 ± 0.2879
6 1342 1342/1342 1342 ± 0.00002355 5.328 5.139/5.603 5.35 ± 0.2874
7 1342 1342/1342 1342 ± 0.00002348 5.469 5.281/5.647 5.453 ± 0.2494
8 1342 1342/1342 1342 ± 0.00002348 5.396 5.155/5.611 5.402 ± 0.2775
9 1342 1342/1342 1342 ± 0.00002348 5.682 5.585/5.949 5.725 ± 0.2844
10 1342 1342/1342 1342 ± 0.00002348 6.214 6.066/6.306 6.176 ± 0.2514
11 1342 1342/1342 1342 ± 0.00002355 6.399 6.196/6.563 6.388 ± 0.2655
12 1342 1342/1342 1342 ± 0.00002348 6.535 6.346/6.743 6.534 ± 0.3253
13 1342 1342/1342 1342 ± 0.00002348 6.996 6.743/7.209 6.98 ± 0.3305
14 1342 1342/1342 1342 ± 0.00002348 7.173 6.935/7.427 7.166 ± 0.3522
15 1342 1342/1342 1342 ± 0.00002348 6.879 6.638/7.195 6.879 ± 0.3676
16 1342 1342/1342 1342 ± 0.00002355 6.203 5.99/6.492 6.219 ± 0.3982
17 1342 1342/1342 1342 ± 0.00002366 6.203 6.024/6.448 6.19 ± 0.358
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-29 11:25:21.080
End
2025-07-29 12:37:36.517
Duration
1:12:15.437
Note, WebLog generation is not included in the time.

CASA logs for stage 8