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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.411 5.752/6.771 6.298 ± 0.7072
ea03 1342 1342/1342 1342 ± 0.00003014 5.732 5.265/6.561 5.859 ± 0.7733
ea04 1342 1342/1342 1342 ± 0 5.655 5.164/6.192 5.773 ± 0.652
ea05 1342 1342/1342 1342 ± 0 5.932 5.653/6.879 6.181 ± 0.7556
ea06 1342 1342/1342 1342 ± 0 6.383 5.5/6.519 6.106 ± 0.6498
ea07 1342 1342/1342 1342 ± 0 5.895 5.331/6.201 5.904 ± 0.6405
ea08 1342 1342/1342 1342 ± 0.000005582 6.186 5.547/6.729 6.255 ± 0.7259
ea09 1342 1342/1342 1342 ± 0 5.942 5.45/6.698 6.144 ± 0.7564
ea10 1342 1342/1342 1342 ± 0 5.92 5.619/6.866 6.154 ± 0.6919
ea11 1342 1342/1342 1342 ± 0 6.267 5.333/6.793 6.177 ± 0.8414
ea12 1342 1342/1342 1342 ± 0 6.405 5.62/6.79 6.359 ± 0.7554
ea13 1342 1342/1342 1342 ± 0 5.93 5.826/6.444 6.126 ± 0.514
ea14 1342 1342/1342 1342 ± 0 6.018 5.611/6.851 6.261 ± 0.7057
ea15 1342 1342/1342 1342 ± 0 5.407 4.763/5.708 5.291 ± 0.6091
ea16 1342 1342/1342 1342 ± 0 6.114 5.691/6.653 6.252 ± 0.7676
ea17 1342 1342/1342 1342 ± 0 6.421 5.9/7.458 6.6 ± 0.7877
ea18 1342 1342/1342 1342 ± 0 5.15 4.737/5.604 5.194 ± 0.5381
ea19 1342 1342/1342 1342 ± 0 6.188 5.877/7.07 6.436 ± 0.7675
ea20 1342 1342/1342 1342 ± 0 5.904 5.652/6.879 6.139 ± 0.7318
ea21 1342 1342/1342 1342 ± 0 5.56 5.399/6.451 5.84 ± 0.6405
ea22 1342 1342/1342 1342 ± 0 6.212 5.352/6.582 5.988 ± 0.7171
ea23 1342 1342/1342 1342 ± 0 6.128 5.698/6.783 6.292 ± 0.7681
ea24 1342 1342/1342 1342 ± 0 6.169 5.193/6.519 5.881 ± 0.6375
ea25 1342 1342/1342 1342 ± 0 6.18 5.621/6.684 6.295 ± 0.7566
ea26 1342 1342/1342 1342 ± 0 6.271 5.762/7.046 6.446 ± 0.8021
ea27 1342 1342/1342 1342 ± 0 5.939 5.476/6.999 6.135 ± 0.7701
ea28 1342 1342/1342 1342 ± 0 6.111 5.702/6.864 6.291 ± 0.7622
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 ± 0.00002306 5.583 5.369/5.739 5.556 ± 0.3144
3 1342 1342/1342 1342 ± 0.00002349 5.243 5.065/5.349 5.216 ± 0.2919
4 1342 1342/1342 1342 ± 0.0000283 5.18 5.005/5.422 5.194 ± 0.3556
5 1342 1342/1342 1342 ± 0.00002306 5.591 5.303/5.681 5.467 ± 0.342
6 1342 1342/1342 1342 ± 0.00002306 5.487 5.271/5.684 5.456 ± 0.2899
7 1342 1342/1342 1342 ± 0.00002306 5.591 5.357/5.749 5.515 ± 0.3012
8 1342 1342/1342 1342 ± 0.00002306 5.523 5.273/5.746 5.483 ± 0.339
9 1342 1342/1342 1342 ± 0.00002306 5.928 5.626/6.069 5.812 ± 0.3358
10 1342 1342/1342 1342 ± 0.00002306 6.42 6.174/6.484 6.296 ± 0.348
11 1342 1342/1342 1342 ± 0.00002306 6.587 6.435/6.785 6.542 ± 0.3619
12 1342 1342/1342 1342 ± 0.00002306 6.794 6.48/6.884 6.692 ± 0.4125
13 1342 1342/1342 1342 ± 0.00002306 7.271 6.884/7.552 7.192 ± 0.4367
14 1342 1342/1342 1342 ± 0.00002306 7.516 7.18/7.722 7.398 ± 0.4307
15 1342 1342/1342 1342 ± 0.00002306 7.058 6.753/7.256 6.977 ± 0.4055
16 1342 1342/1342 1342 ± 0.00002354 6.248 5.886/6.48 6.25 ± 0.3973
17 1342 1342/1342 1342 ± 0.00002343 6.197 5.931/6.484 6.188 ± 0.4031
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
Start time
2025-06-07 15:34:16.911
End
2025-06-07 16:37:01.152
Duration
1:02:44.241
Note, WebLog generation is not included in the time.

CASA logs for stage 8