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

Statwt Summary Plot

VLASS2.1.sb38642060.eb38643748.59104.02058106482_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 5.711 5.363/6.156 5.814 ± 0.5783
ea02 1342 1342/1342 1342 ± 0 5.951 5.609/6.543 6.109 ± 0.6116
ea04 1342 1342/1342 1342 ± 0 5.502 5.199/6.147 5.698 ± 0.5609
ea05 1342 1342/1342 1342 ± 0 5.849 5.414/6.317 5.926 ± 0.5959
ea06 1342 1342/1342 1342 ± 0 5.14 4.928/5.523 5.226 ± 0.3746
ea07 1342 1342/1342 1342 ± 0 6.046 5.57/6.346 6.095 ± 0.5771
ea08 1342 1342/1342 1342 ± 0 6.06 5.702/6.788 6.314 ± 0.6687
ea09 1342 1342/1342 1342 ± 0 5.795 5.327/6.339 5.882 ± 0.6253
ea10 1342 1342/1342 1342 ± 0 6.076 5.415/6.691 6.062 ± 0.6695
ea11 1342 1342/1342 1342 ± 0 6.087 5.359/6.593 6.094 ± 0.6907
ea12 1342 1342/1342 1342 ± 0 5.522 5.468/5.641 5.577 ± 0.1574
ea13 1342 1342/1342 1342 ± 0 6.169 5.86/6.445 6.23 ± 0.5004
ea14 1342 1342/1342 1342 ± 0 5.856 5.266/6.43 5.929 ± 0.6729
ea15 1342 1342/1342 1342 ± 0 5.901 5.316/6.43 5.956 ± 0.6812
ea16 1342 1342/1342 1342 ± 0 6.161 5.702/6.751 6.295 ± 0.7089
ea17 1342 1342/1342 1342 ± 0.000002909 6.056 5.702/6.612 6.229 ± 0.6232
ea18 1342 1342/1342 1342 ± 0 5.113 4.855/5.597 5.274 ± 0.5015
ea19 1342 1342/1342 1342 ± 0 6.023 5.627/6.745 6.25 ± 0.6879
ea20 1342 1342/1342 1342 ± 0 6.189 5.804/6.832 6.334 ± 0.6441
ea21 1342 1342/1342 1342 ± 0 5.796 5.471/6.367 5.959 ± 0.5845
ea22 1342 1342/1342 1342 ± 0 5.615 5.314/6.253 5.799 ± 0.6185
ea23 1342 1342/1342 1342 ± 0 6.088 5.495/6.467 6.155 ± 0.6938
ea25 1342 1342/1342 1342 ± 0 5.721 5.474/6.359 5.95 ± 0.6133
ea26 1342 1342/1342 1342 ± 0 6.149 5.771/6.784 6.315 ± 0.691
ea27 1342 1342/1342 1342 ± 0 5.617 5.396/6.448 5.855 ± 0.5886
ea28 1342 1342/1342 1342 ± 0.00001789 5.849 5.592/6.622 6.09 ± 0.6835
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 ± 0.00002353 5.457 5.264/5.675 5.465 ± 0.2462
3 1342 1342/1342 1342 ± 0.00002353 5.373 5.159/5.588 5.374 ± 0.2697
4 1342 1342/1342 1342 ± 0.0000244 5.399 5.188/5.528 5.352 ± 0.2962
5 1342 1342/1342 1342 ± 0.00002353 5.494 5.236/5.642 5.485 ± 0.3115
6 1342 1342/1342 1342 ± 0.00002398 5.49 5.318/5.649 5.467 ± 0.2966
7 1342 1342/1342 1342 ± 0.00002353 5.488 5.314/5.638 5.467 ± 0.2613
8 1342 1342/1342 1342 ± 0.00002353 5.502 5.251/5.604 5.434 ± 0.2804
9 1342 1342/1342 1342 ± 0.00002353 5.8 5.532/5.979 5.701 ± 0.3323
10 1342 1342/1342 1342 ± 0.00002372 6.217 6.005/6.318 6.133 ± 0.315
11 1342 1342/1342 1342 ± 0.00002398 6.394 6.25/6.551 6.339 ± 0.3274
12 1342 1342/1342 1342 ± 0.00002445 6.543 6.379/6.733 6.504 ± 0.3737
13 1342 1342/1342 1342 ± 0.00002398 6.985 6.869/7.256 6.965 ± 0.3901
14 1342 1342/1342 1342 ± 0.00002398 7.204 7.014/7.41 7.165 ± 0.4037
15 1342 1342/1342 1342 ± 0.00002398 6.857 6.649/7.045 6.797 ± 0.3961
16 1342 1342/1342 1342 ± 0.00002565 6.167 5.994/6.382 6.136 ± 0.3566
17 1342 1342/1342 1342 ± 0.00002625 6.087 5.895/6.373 6.099 ± 0.3432
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38642060.eb38643748.59104.02058106482_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-31 03:15:27.781
End
2025-01-31 03:38:37.603
Duration
0:23:09.822
Note, WebLog generation is not included in the time.

CASA logs for stage 8