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

Statwt Summary Plot

VLASS2.1.sb38620321.eb38711360.59131.8760765162_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 5.689 5.331/6.146 5.792 ± 0.5494
ea02 1342 1342/1342 1342 ± 0 5.767 5.469/6.51 6.001 ± 0.6646
ea03 1342 1342/1342 1342 ± 0 5.422 4.848/6.004 5.469 ± 0.6438
ea04 1342 1342/1342 1342 ± 0 5.527 5.166/6.134 5.71 ± 0.5672
ea05 1342 1342/1342 1342 ± 0 5.855 5.41/6.31 5.916 ± 0.5747
ea06 1342 1342/1342 1342 ± 0 5.189 4.958/5.652 5.293 ± 0.4278
ea07 1342 1342/1342 1342 ± 0 5.992 5.47/6.226 5.997 ± 0.564
ea08 1342 1342/1342 1342 ± 0 5.904 5.647/6.746 6.197 ± 0.6867
ea09 1342 1342/1342 1342 ± 0 5.796 5.256/6.331 5.838 ± 0.6384
ea10 1342 1342/1342 1342 ± 0 5.912 5.339/6.597 5.949 ± 0.6643
ea11 1342 1342/1342 1342 ± 0 5.913 5.374/6.499 6.021 ± 0.6575
ea12 1342 1342/1342 1342 ± 0 5.775 5.349/6.299 5.921 ± 0.6155
ea13 1342 1342/1342 1342 ± 0 6.222 5.916/6.542 6.317 ± 0.508
ea15 1342 1342/1342 1342 ± 0 6.056 5.526/6.512 6.116 ± 0.6629
ea16 1342 1342/1342 1342 ± 0 6.142 5.738/6.825 6.326 ± 0.7096
ea17 1342 1342/1342 1342 ± 0.000001365 6.258 5.873/6.813 6.385 ± 0.6801
ea18 1342 1342/1342 1342 ± 0 4.946 4.664/5.399 5.059 ± 0.4948
ea19 1342 1342/1342 1342 ± 0 5.895 5.495/6.458 6.038 ± 0.5768
ea20 1342 1342/1342 1342 ± 0 5.835 5.522/6.49 5.985 ± 0.5897
ea21 1342 1342/1342 1342 ± 0 5.763 5.467/6.31 5.929 ± 0.54
ea22 1342 1342/1342 1342 ± 0 5.59 5.269/6.367 5.816 ± 0.644
ea23 1342 1342/1342 1342 ± 0 6.07 5.502/6.455 6.119 ± 0.6725
ea24 1342 1342/1342 1342 ± 0 5.67 5.488/6.634 5.912 ± 0.6615
ea25 1342 1342/1342 1342 ± 0.00001294 5.525 5.291/6.128 5.732 ± 0.5625
ea26 1342 1342/1342 1342 ± 0 6.194 5.737/6.79 6.298 ± 0.72
ea27 1342 1342/1342 1342 ± 0.00003377 5.547 5.291/6.394 5.771 ± 0.6047
ea28 1342 1342/1342 1342 ± 0.0000135 5.497 5.296/6.26 5.73 ± 0.6384
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 ± 0.00002327 5.487 5.302/5.623 5.437 ± 0.2767
3 1342 1342/1342 1342 ± 0.00002329 5.14 4.93/5.44 5.185 ± 0.3504
4 1342 1342/1342 1342 ± 0.0000237 5.329 5.082/5.495 5.306 ± 0.363
5 1342 1342/1342 1342 ± 0.00002327 5.447 5.221/5.536 5.406 ± 0.3401
6 1342 1342/1342 1342 ± 0.00002348 5.405 5.224/5.526 5.371 ± 0.3054
7 1342 1342/1342 1342 ± 0.00002327 5.425 5.283/5.549 5.419 ± 0.2731
8 1342 1342/1342 1342 ± 0.00002327 5.334 5.172/5.586 5.354 ± 0.299
9 1342 1342/1342 1342 ± 0.00002327 5.684 5.489/5.916 5.649 ± 0.3409
10 1342 1342/1342 1342 ± 0.00002327 6.109 5.936/6.269 6.071 ± 0.3291
11 1342 1342/1342 1342 ± 0.00002327 6.373 6.135/6.512 6.296 ± 0.3309
12 1342 1342/1342 1342 ± 0.00002327 6.482 6.244/6.625 6.446 ± 0.3566
13 1342 1342/1342 1342 ± 0.00002327 6.892 6.72/6.989 6.863 ± 0.3744
14 1342 1342/1342 1342 ± 0.00002327 7.111 6.862/7.338 7.055 ± 0.406
15 1342 1342/1342 1342 ± 0.00002327 6.721 6.536/6.997 6.688 ± 0.402
16 1342 1342/1342 1342 ± 0.00003098 6.026 5.641/6.331 5.977 ± 0.392
17 1342 1342/1342 1342 ± 0.00003138 5.958 5.761/6.266 5.995 ± 0.3571
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38620321.eb38711360.59131.8760765162_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-12-18 01:57:14.844
End
2024-12-18 02:38:00.214
Duration
0:40:45.371
Note, WebLog generation is not included in the time.

CASA logs for stage 8