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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.191 5.663/6.617 6.172 ± 0.6058
ea02 1342 1342/1342 1342 ± 0 6.346 5.697/6.623 6.298 ± 0.6176
ea03 1342 1342/1342 1342 ± 0 6.174 5.458/6.772 6.211 ± 0.7374
ea04 1342 1342/1342 1342 ± 0 5.58 5.06/6.033 5.631 ± 0.5553
ea05 1342 1342/1342 1342 ± 0.000007462 5.754 5.363/6.673 5.979 ± 0.6425
ea06 1342 1342/1342 1342 ± 0 6.005 5.108/6.166 5.769 ± 0.6325
ea07 1342 1342/1342 1342 ± 0 6.073 5.28/6.348 5.929 ± 0.6599
ea08 1342 1342/1342 1342 ± 0 6.57 5.708/6.867 6.447 ± 0.6475
ea09 1342 1342/1342 1342 ± 0.000004547 5.768 5.245/6.509 5.866 ± 0.6469
ea10 1342 1342/1342 1342 ± 0 5.622 5.146/6.051 5.609 ± 0.5293
ea11 1342 1342/1342 1342 ± 0.000008636 5.503 5.205/6.295 5.711 ± 0.6542
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.586 5.458/6.134 5.79 ± 0.4576
ea14 1342 1342/1342 1342 ± 0 6.11 5.555/6.46 6.114 ± 0.5322
ea15 1342 1342/1342 1342 ± 0.000003777 6.123 5.619/6.653 6.214 ± 0.6718
ea16 1342 1342/1342 1342 ± 0 6.225 5.836/6.792 6.357 ± 0.7053
ea17 1342 1342/1342 1342 ± 0 6.313 5.727/6.94 6.308 ± 0.6408
ea18 1342 1342/1342 1342 ± 0 6.344 5.807/6.902 6.298 ± 0.5903
ea19 1342 1342/1342 1342 ± 0 6.103 5.483/6.615 6.065 ± 0.5881
ea20 1342 1342/1342 1342 ± 0.000001971 5.862 5.571/6.633 6.046 ± 0.5994
ea21 1342 1342/1342 1342 ± 0 5.562 5.171/6.033 5.652 ± 0.5149
ea22 1342 1342/1342 1342 ± 0 6.388 5.672/6.778 6.259 ± 0.6374
ea23 1342 1342/1342 1342 ± 0 6.288 5.534/6.459 6.195 ± 0.6581
ea24 1342 1342/1342 1342 ± 0 5.928 5.384/6.602 5.91 ± 0.632
ea25 1342 1342/1342 1342 ± 0 6.444 5.693/6.984 6.479 ± 0.7802
ea27 1342 1342/1342 1342 ± 0 6.109 5.383/6.585 5.997 ± 0.6599
ea28 1342 1342/1342 1342 ± 0 6.001 5.725/6.874 6.288 ± 0.6158
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 ± 0.0000235 5.502 5.385/5.701 5.523 ± 0.256
4 1342 1342/1342 1342 ± 0.00002448 5.316 5.135/5.642 5.374 ± 0.341
5 1342 1342/1342 1342 ± 0.00002348 5.455 5.208/5.682 5.445 ± 0.2933
6 1342 1342/1342 1342 ± 0.00002348 5.432 5.216/5.604 5.432 ± 0.278
7 1342 1342/1342 1342 ± 0.00002348 5.509 5.356/5.672 5.485 ± 0.2345
8 1342 1342/1342 1342 ± 0.00002348 5.47 5.225/5.603 5.418 ± 0.2619
9 1342 1342/1342 1342 ± 0.00002348 5.742 5.596/5.944 5.736 ± 0.2676
10 1342 1342/1342 1342 ± 0.00002348 6.195 6.1/6.29 6.169 ± 0.2298
11 1342 1342/1342 1342 ± 0.00002348 6.448 6.249/6.564 6.395 ± 0.2489
12 1342 1342/1342 1342 ± 0.00002348 6.612 6.279/6.778 6.533 ± 0.2899
13 1342 1342/1342 1342 ± 0.00002348 7.004 6.805/7.255 6.976 ± 0.3271
14 1342 1342/1342 1342 ± 0.00002348 7.16 6.912/7.407 7.171 ± 0.3398
15 1342 1342/1342 1342 ± 0.00002348 6.864 6.623/7.176 6.863 ± 0.3682
16 1342 1342/1342 1342 ± 0.00002484 6.175 5.837/6.562 6.182 ± 0.4169
17 1342 1342/1342 1342 ± 0.00002398 6.175 5.878/6.401 6.144 ± 0.3698
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-25 05:12:53.794
End
2025-07-25 06:29:03.498
Duration
1:16:09.704
Note, WebLog generation is not included in the time.

CASA logs for stage 8