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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.566 5.279/6.039 5.712 ± 0.5235
ea02 1342 1342/1342 1342 ± 0 5.796 5.426/6.472 5.975 ± 0.6488
ea04 1342 1342/1342 1342 ± 0 5.401 5.014/6.033 5.589 ± 0.579
ea05 1342 1342/1342 1342 ± 0 5.69 5.247/6.163 5.744 ± 0.5767
ea06 1342 1342/1342 1342 ± 0 4.882 4.653/5.264 4.967 ± 0.377
ea07 1342 1342/1342 1342 ± 0 6.082 5.455/6.259 5.995 ± 0.5526
ea08 1342 1342/1342 1342 ± 0 5.758 5.587/6.612 6.073 ± 0.6513
ea09 1342 1342/1342 1342 ± 0 5.703 5.219/6.293 5.774 ± 0.6111
ea10 1342 1342/1342 1342 ± 0 5.884 5.343/6.496 5.9 ± 0.6404
ea11 1342 1342/1342 1342 ± 0.000001241 5.869 5.157/6.245 5.792 ± 0.6349
ea12 1342 1342/1342 1342 ± 0 6.231 6.073/6.649 6.342 ± 0.3898
ea13 1342 1342/1342 1342 ± 0 6.128 5.78/6.391 6.162 ± 0.5057
ea14 1342 1342/1342 1342 ± 0 5.931 5.284/6.338 5.88 ± 0.626
ea15 1342 1342/1342 1342 ± 0 5.586 5.074/6.25 5.727 ± 0.7078
ea16 1342 1342/1342 1342 ± 0 6.132 5.621/6.677 6.224 ± 0.6994
ea17 1342 1342/1342 1342 ± 0.00001015 5.974 5.594/6.473 6.137 ± 0.6212
ea18 1342 1342/1342 1342 ± 0 5.122 4.735/5.585 5.145 ± 0.5138
ea19 1342 1342/1342 1342 ± 0 6.035 5.441/6.54 6.036 ± 0.5958
ea20 1342 1342/1342 1342 ± 0 6.008 5.597/6.583 6.113 ± 0.6233
ea21 1342 1342/1342 1342 ± 0 5.618 5.298/6.169 5.748 ± 0.5428
ea22 1342 1342/1342 1342 ± 0 5.542 5.331/6.424 5.848 ± 0.6313
ea23 1342 1342/1342 1342 ± 0 6.177 5.5/6.596 6.092 ± 0.6569
ea25 1342 1342/1342 1342 ± 0 5.584 5.226/6.019 5.658 ± 0.5612
ea26 1342 1342/1342 1342 ± 0 6.158 5.718/6.859 6.217 ± 0.6455
ea27 1342 1342/1342 1342 ± 0.00001416 5.567 5.309/6.327 5.748 ± 0.5698
ea28 1342 1342/1342 1342 ± 0.00001778 5.649 5.403/6.401 5.866 ± 0.6266
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 ± 0.00002394 5.366 5.24/5.642 5.39 ± 0.2849
3 1342 1342/1342 1342 ± 0.00002401 5.17 5.007/5.427 5.199 ± 0.296
4 1342 1342/1342 1342 ± 0.00002664 5.18 5.005/5.29 5.152 ± 0.2826
5 1342 1342/1342 1342 ± 0.00002394 5.374 5.093/5.466 5.317 ± 0.3317
6 1342 1342/1342 1342 ± 0.00002394 5.357 5.08/5.438 5.29 ± 0.3138
7 1342 1342/1342 1342 ± 0.00002394 5.359 5.159/5.5 5.338 ± 0.2719
8 1342 1342/1342 1342 ± 0.00002394 5.372 5.138/5.456 5.304 ± 0.2873
9 1342 1342/1342 1342 ± 0.00002394 5.628 5.416/5.882 5.588 ± 0.3291
10 1342 1342/1342 1342 ± 0.00002349 6.062 5.831/6.178 5.995 ± 0.3249
11 1342 1342/1342 1342 ± 0.00002349 6.305 6.096/6.385 6.211 ± 0.3304
12 1342 1342/1342 1342 ± 0.00002349 6.381 6.204/6.573 6.363 ± 0.3517
13 1342 1342/1342 1342 ± 0.00002349 6.848 6.671/7.023 6.802 ± 0.3564
14 1342 1342/1342 1342 ± 0.00002349 7.037 6.782/7.241 6.968 ± 0.4028
15 1342 1342/1342 1342 ± 0.00002349 6.578 6.391/6.747 6.516 ± 0.4012
16 1342 1342/1342 1342 ± 0.00002779 5.934 5.713/6.264 5.958 ± 0.3499
17 1342 1342/1342 1342 ± 0.00002612 5.95 5.74/6.228 5.971 ± 0.3386
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-01 07:47:38.628
End
2024-05-01 08:38:00.392
Duration
0:50:21.763
Note, WebLog generation is not included in the time.

CASA logs for stage 7