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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.011 5.28/6.376 5.932 ± 0.7172
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00002703 5.572 5.047/6.189 5.638 ± 0.6708
ea06 1342 1342/1342 1342 ± 0 5.874 5.09/6.243 5.731 ± 0.6872
ea07 1342 1342/1342 1342 ± 0 5.845 5.105/6.14 5.792 ± 0.6181
ea08 1342 1342/1342 1342 ± 0.000007 5.978 5.376/6.437 5.991 ± 0.6816
ea09 1342 1342/1342 1342 ± 0 5.733 5.145/6.5 5.831 ± 0.6943
ea10 1342 1342/1342 1342 ± 0 5.891 5.102/6.532 5.804 ± 0.7166
ea11 1342 1342/1342 1342 ± 0 5.794 5.054/6.262 5.776 ± 0.7087
ea12 1342 1342/1342 1342 ± 0 5.923 5.096/6.36 5.825 ± 0.7582
ea13 1342 1342/1342 1342 ± 0 5.262 5.121/5.921 5.543 ± 0.5359
ea14 1342 1342/1342 1342 ± 0 6.17 5.242/6.609 6.038 ± 0.8009
ea15 1342 1342/1342 1342 ± 0 5.451 4.766/5.813 5.357 ± 0.623
ea16 1342 1342/1342 1342 ± 0 6.134 5.429/6.642 6.161 ± 0.7892
ea17 1342 1342/1342 1342 ± 0 6.189 5.577/7.027 6.289 ± 0.7581
ea18 1342 1342/1342 1342 ± 0 4.879 4.334/5.303 4.89 ± 0.5458
ea19 1342 1342/1342 1342 ± 0 6.224 5.321/6.738 6.087 ± 0.7764
ea20 1342 1342/1342 1342 ± 0 5.816 5.226/6.526 5.829 ± 0.6619
ea21 1342 1342/1342 1342 ± 0 5.645 5.16/6.32 5.806 ± 0.6748
ea22 1342 1342/1342 1342 ± 0 5.927 5.047/6.286 5.744 ± 0.728
ea23 1342 1342/1342 1342 ± 0 5.932 5.303/6.472 5.992 ± 0.7192
ea24 1342 1342/1342 1342 ± 0 5.791 4.841/6.221 5.545 ± 0.6494
ea26 1342 1342/1342 1342 ± 0 6.085 5.449/6.884 6.122 ± 0.814
ea27 1342 1342/1342 1342 ± 0 5.821 5.147/6.637 5.909 ± 0.7684
ea28 1342 1342/1342 1342 ± 0 5.823 5.244/6.531 5.916 ± 0.7372
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 ± 0.00002495 5.027 4.894/5.222 5.004 ± 0.2319
4 1342 1342/1342 1342 ± 0.00002758 5.046 4.806/5.304 5.059 ± 0.3438
5 1342 1342/1342 1342 ± 0.00002439 5.093 5.038/5.2 5.078 ± 0.2766
6 1342 1342/1342 1342 ± 0.00002439 5.107 4.931/5.29 5.09 ± 0.2555
7 1342 1342/1342 1342 ± 0.00002439 5.174 5.057/5.3 5.158 ± 0.2508
8 1342 1342/1342 1342 ± 0.00002439 5.193 4.96/5.302 5.15 ± 0.306
9 1342 1342/1342 1342 ± 0.00002439 5.498 5.273/5.643 5.433 ± 0.308
10 1342 1342/1342 1342 ± 0.00002439 6.069 5.904/6.175 5.966 ± 0.3072
11 1342 1342/1342 1342 ± 0.00002439 6.247 6.07/6.445 6.209 ± 0.3254
12 1342 1342/1342 1342 ± 0.00002439 6.392 6.208/6.55 6.352 ± 0.3638
13 1342 1342/1342 1342 ± 0.00002439 6.829 6.607/7.053 6.781 ± 0.3777
14 1342 1342/1342 1342 ± 0.00002439 7.049 6.899/7.224 7.01 ± 0.3824
15 1342 1342/1342 1342 ± 0.00002439 6.733 6.508/7.069 6.733 ± 0.4015
16 1342 1342/1342 1342 ± 0.00002439 6.046 5.85/6.23 6.047 ± 0.3924
17 1342 1342/1342 1342 ± 0.00002439 6.042 5.806/6.184 5.973 ± 0.3401
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
datacolumn
residual_data
Start time
2025-05-10 11:49:56.519
End
2025-05-10 12:18:52.372
Duration
0:28:55.853
Note, WebLog generation is not included in the time.

CASA logs for stage 8