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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.865 5.687/6.745 6.212 ± 0.6718
ea02 1342 1342/1342 1342 ± 0.0000443 6.147 5.7/7.087 6.438 ± 0.7895
ea04 1342 1342/1342 1342 ± 0.00003183 5.347 5.223/6.151 5.697 ± 0.6017
ea05 1342 1342/1342 1342 ± 0.00001124 5.502 5.244/6.452 5.813 ± 0.6772
ea06 1342 1342/1342 1342 ± 0.00003746 4.896 4.698/5.497 5.121 ± 0.4745
ea07 1342 1342/1342 1342 ± 0.00004113 6.046 5.675/6.625 6.28 ± 0.7098
ea08 1342 1342/1342 1342 ± 0.00003906 6.211 5.916/7.465 6.732 ± 0.8784
ea09 1342 1342/1342 1342 ± 0.00001839 5.91 5.506/6.754 6.109 ± 0.6829
ea10 1342 1342/1342 1342 ± 0.00004569 6.227 5.713/7.22 6.437 ± 0.8031
ea11 1342 1342/1342 1342 ± 0.00004301 5.988 5.523/6.956 6.299 ± 0.8272
ea12 1342 1342/1342 1342 ± 0.0000397 5.833 5.383/6.628 6.037 ± 0.7585
ea13 1342 1342/1342 1342 ± 0.000002945 5.911 5.668/6.529 6.191 ± 0.6527
ea14 1342 1342/1342 1342 ± 0.00004013 5.664 5.429/6.702 6.067 ± 0.7407
ea15 1342 1342/1342 1342 ± 0.00002834 5.617 5.285/6.492 5.983 ± 0.7551
ea16 1342 1342/1342 1342 ± 0.00001691 5.947 5.669/6.931 6.263 ± 0.8235
ea17 1342 1342/1342 1342 ± 0.00004602 6.283 5.926/7.471 6.649 ± 0.846
ea18 1342 1342/1342 1342 ± 0.00004508 5.454 5.066/5.957 5.527 ± 0.5106
ea19 1342 1342/1342 1342 ± 0.00001878 5.759 5.575/6.855 6.156 ± 0.7256
ea20 1342 1342/1342 1342 ± 0.00004226 6.009 5.731/7.049 6.337 ± 0.7465
ea21 1342 1342/1342 1342 ± 0.00002974 5.56 5.366/6.458 5.901 ± 0.6829
ea22 1342 1342/1342 1342 ± 0.00002393 5.658 5.429/6.597 6.034 ± 0.711
ea23 1342 1342/1342 1342 ± 0.00003975 5.95 5.619/6.896 6.308 ± 0.8033
ea25 1342 1342/1342 1342 ± 0.00004426 5.957 5.818/6.838 6.306 ± 0.7602
ea26 1342 1342/1342 1342 ± 0.00001504 5.958 5.817/7.179 6.436 ± 0.7647
ea27 1342 1342/1342 1342 ± 0.00004027 5.982 5.805/7.073 6.357 ± 0.7185
ea28 1342 1342/1342 1342 ± 0.00003995 6.251 5.974/7.207 6.583 ± 0.811
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 ± 0.00002349 5.66 5.373/5.847 5.621 ± 0.3239
5 1342 1342/1342 1342 ± 0.00003929 5.611 5.462/5.893 5.672 ± 0.3142
6 1342 1342/1342 1342 ± 0.00002394 5.609 5.352/5.818 5.564 ± 0.3363
7 1342 1342/1342 1342 ± 0.00002349 5.677 5.421/5.863 5.623 ± 0.3396
8 1342 1342/1342 1342 ± 0.00002349 5.627 5.312/5.878 5.567 ± 0.3629
9 1342 1342/1342 1342 ± 0.00002792 5.75 5.426/5.989 5.72 ± 0.3797
10 1342 1342/1342 1342 ± 0.00002349 6.451 6.116/6.674 6.36 ± 0.4009
11 1342 1342/1342 1342 ± 0.00002349 6.594 6.488/6.905 6.605 ± 0.4226
12 1342 1342/1342 1342 ± 0.00002394 6.854 6.503/7.087 6.772 ± 0.4443
13 1342 1342/1342 1342 ± 0.00002349 7.295 7.068/7.563 7.252 ± 0.4448
14 1342 1342/1342 1342 ± 0.00002349 7.457 7.261/7.753 7.414 ± 0.4863
15 1342 1342/1342 1342 ± 0.00002491 6.925 6.784/7.192 6.885 ± 0.493
16 1342 1342/1342 1342 ± 0.00005734 5.237 5.112/5.363 5.234 ± 0.1917
17 1342 1342/1342 1342 ± 0.00005916 5.507 5.355/5.65 5.486 ± 0.2414
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-03-12 23:44:37.993
End
2025-03-13 00:14:05.789
Duration
0:29:27.796
Note, WebLog generation is not included in the time.

CASA logs for stage 8