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

Statwt Summary Plot

VLASS2.1.sb38611939.eb38656872.59108.99831386574_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 5.526 5.169/5.982 5.603 ± 0.5506
ea02 1342 1342/1342 1342 ± 0 5.675 5.233/6.282 5.803 ± 0.6442
ea04 1342 1342/1342 1342 ± 0 5.338 5.037/6.015 5.545 ± 0.5733
ea05 1342 1342/1342 1342 ± 0 5.802 5.328/6.262 5.844 ± 0.6043
ea06 1342 1342/1342 1342 ± 0 4.708 4.566/5.146 4.845 ± 0.3488
ea07 1342 1342/1342 1342 ± 0 5.849 5.299/6.069 5.821 ± 0.5907
ea08 1342 1342/1342 1342 ± 0 5.921 5.471/6.625 6.099 ± 0.6932
ea09 1342 1342/1342 1342 ± 0 5.606 5.08/6.211 5.677 ± 0.6558
ea10 1342 1342/1342 1342 ± 0 5.869 5.186/6.518 5.844 ± 0.7023
ea11 1342 1342/1342 1342 ± 0 5.918 5.118/6.358 5.786 ± 0.7124
ea12 1342 1342/1342 1342 ± 0 5.576 5.185/6.315 5.819 ± 0.6698
ea13 1342 1342/1342 1342 ± 0 5.953 5.648/6.325 6.078 ± 0.5047
ea14 1342 1342/1342 1342 ± 0 5.688 5.162/6.305 5.78 ± 0.6752
ea15 1342 1342/1342 1342 ± 0 5.584 5.197/6.256 5.782 ± 0.6724
ea16 1342 1342/1342 1342 ± 0 6.111 5.518/6.63 6.163 ± 0.732
ea17 1342 1342/1342 1342 ± 0 5.894 5.331/6.732 5.964 ± 0.6613
ea18 1342 1342/1342 1342 ± 0 4.847 4.547/5.39 4.984 ± 0.5174
ea19 1342 1342/1342 1342 ± 0 5.882 5.448/6.604 6.086 ± 0.6513
ea20 1342 1342/1342 1342 ± 0 6.186 5.555/6.702 6.137 ± 0.6596
ea21 1342 1342/1342 1342 ± 0 5.623 5.276/6.186 5.769 ± 0.5769
ea22 1342 1342/1342 1342 ± 0 5.352 5.127/6.192 5.646 ± 0.6529
ea23 1342 1342/1342 1342 ± 0 5.882 5.353/6.311 5.959 ± 0.682
ea25 1342 1342/1342 1342 ± 0 5.507 5.131/6.008 5.638 ± 0.5779
ea26 1342 1342/1342 1342 ± 0 5.959 5.484/6.56 6.039 ± 0.707
ea27 1342 1342/1342 1342 ± 0 5.385 5.148/6.255 5.623 ± 0.612
ea28 1342 1342/1342 1342 ± 0.000002913 5.734 5.335/6.365 5.856 ± 0.6916
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 5.229 5.125/5.473 5.253 ± 0.2551
3 1342 1342/1342 1342 ± 0.00002348 5.05 4.761/5.227 5.039 ± 0.3259
4 1342 1342/1342 1342 ± 0.00002484 5.184 5.035/5.322 5.147 ± 0.2974
5 1342 1342/1342 1342 ± 0.00002348 5.264 4.975/5.332 5.195 ± 0.315
6 1342 1342/1342 1342 ± 0.00002348 5.233 5.015/5.362 5.206 ± 0.294
7 1342 1342/1342 1342 ± 0.00002348 5.209 5.123/5.425 5.237 ± 0.2589
8 1342 1342/1342 1342 ± 0.00002348 5.258 5.121/5.412 5.215 ± 0.283
9 1342 1342/1342 1342 ± 0.00002348 5.516 5.348/5.727 5.49 ± 0.3265
10 1342 1342/1342 1342 ± 0.00002348 5.986 5.788/6.092 5.922 ± 0.3262
11 1342 1342/1342 1342 ± 0.00002348 6.209 6.007/6.315 6.139 ± 0.3469
12 1342 1342/1342 1342 ± 0.00002393 6.364 6.16/6.58 6.307 ± 0.3698
13 1342 1342/1342 1342 ± 0.00002348 6.772 6.702/7.037 6.746 ± 0.3978
14 1342 1342/1342 1342 ± 0.00002348 7.026 6.793/7.162 6.921 ± 0.4308
15 1342 1342/1342 1342 ± 0.00002348 6.661 6.51/6.821 6.588 ± 0.4185
16 1342 1342/1342 1342 ± 0.00002352 5.989 5.747/6.177 5.958 ± 0.3976
17 1342 1342/1342 1342 ± 0.00002355 6.018 5.809/6.232 5.984 ± 0.3712
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38611939.eb38656872.59108.99831386574_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-02-19 23:59:49.591
End
2025-02-20 00:22:45.718
Duration
0:22:56.127
Note, WebLog generation is not included in the time.

CASA logs for stage 8