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

Statwt Summary Plot

VLASS2.1.sb38528342.eb38565674.59072.03519471065_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 5.435 5.321/5.965 5.66 ± 0.482
ea02 1342 1342/1342 1342 ± 0.000006119 5.857 5.37/6.293 5.922 ± 0.5836
ea05 1342 1342/1342 1342 ± 0.000006181 5.734 5.313/6.11 5.764 ± 0.5393
ea06 1342 1342/1342 1342 ± 0 5.117 4.905/5.394 5.177 ± 0.326
ea07 1342 1342/1342 1342 ± 0 5.663 5.354/5.864 5.703 ± 0.3953
ea08 1342 1342/1342 1342 ± 0 5.894 5.578/6.502 6.053 ± 0.5798
ea09 1342 1342/1342 1342 ± 0 5.185 4.821/5.631 5.216 ± 0.4426
ea10 1342 1342/1342 1342 ± 0.000004883 5.667 5.275/6.306 5.767 ± 0.5698
ea11 1342 1342/1342 1342 ± 0 5.789 5.321/6.258 5.864 ± 0.5491
ea12 1342 1342/1342 1342 ± 0 5.787 5.398/6.359 5.946 ± 0.5879
ea13 1342 1342/1342 1342 ± 0 6.003 5.631/6.461 6.036 ± 0.4996
ea14 1342 1342/1342 1342 ± 0 5.74 5.297/6.282 5.849 ± 0.5823
ea15 1342 1342/1342 1342 ± 0 5.622 5.319/6.351 5.874 ± 0.6418
ea16 1342 1342/1342 1342 ± 0 5.162 5.051/5.353 5.167 ± 0.2242
ea17 1342 1342/1342 1342 ± 0.000008219 5.913 5.595/6.532 6.089 ± 0.5611
ea18 1342 1342/1342 1342 ± 0 5.117 4.801/5.585 5.192 ± 0.4928
ea19 1342 1342/1342 1342 ± 0 5.929 5.543/6.537 6.071 ± 0.5734
ea20 1342 1342/1342 1342 ± 0 6.091 5.707/6.696 6.214 ± 0.575
ea21 1342 1342/1342 1342 ± 0 5.633 5.4/6.051 5.751 ± 0.4605
ea22 1342 1342/1342 1342 ± 0 5.635 5.241/6.29 5.762 ± 0.5842
ea23 1342 1342/1342 1342 ± 0 5.793 5.551/6.273 5.987 ± 0.5776
ea25 1342 1342/1342 1342 ± 0 5.314 5.233/5.484 5.328 ± 0.1827
ea26 1342 1342/1342 1342 ± 0 5.734 5.399/6.21 5.848 ± 0.5242
ea27 1342 1342/1342 1342 ± 0.0000205 5.381 5.258/6.117 5.598 ± 0.5048
ea28 1342 1342/1342 1342 ± 0.000002652 5.773 5.401/6.279 5.87 ± 0.56
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 ± 0.00002407 5.458 5.256/5.639 5.44 ± 0.289
3 1342 1342/1342 1342 ± 0.00002413 5.189 4.973/5.441 5.214 ± 0.2999
4 1342 1342/1342 1342 ± 0.00002407 5.349 5.224/5.529 5.321 ± 0.3015
5 1342 1342/1342 1342 ± 0.00002407 5.396 5.267/5.557 5.378 ± 0.2798
6 1342 1342/1342 1342 ± 0.00002407 5.337 5.196/5.416 5.294 ± 0.2428
7 1342 1342/1342 1342 ± 0.00002407 5.311 5.209/5.472 5.308 ± 0.2157
8 1342 1342/1342 1342 ± 0.00002407 5.304 5.031/5.403 5.256 ± 0.2683
9 1342 1342/1342 1342 ± 0.00002407 5.506 5.366/5.777 5.498 ± 0.3175
10 1342 1342/1342 1342 ± 0.00002505 5.928 5.787/6.075 5.881 ± 0.3091
11 1342 1342/1342 1342 ± 0.00002505 6.131 6.023/6.27 6.083 ± 0.3193
12 1342 1342/1342 1342 ± 0.00002505 6.31 6.079/6.396 6.226 ± 0.3291
13 1342 1342/1342 1342 ± 0.00002505 6.691 6.43/6.908 6.645 ± 0.3616
14 1342 1342/1342 1342 ± 0.00002505 6.914 6.653/7.11 6.816 ± 0.3919
15 1342 1342/1342 1342 ± 0.00002505 6.487 6.294/6.68 6.404 ± 0.3787
16 1342 1342/1342 1342 ± 0.00002997 5.892 5.562/6.309 5.904 ± 0.3804
17 1342 1342/1342 1342 ± 0.00002622 5.938 5.668/6.291 5.933 ± 0.3636
output_dir
 
vis
VLASS2.1.sb38528342.eb38565674.59072.03519471065_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-11 01:51:08.660
End
2025-01-11 02:19:43.588
Duration
0:28:34.929
Note, WebLog generation is not included in the time.

CASA logs for stage 8