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 5.549 5.266/5.92 5.674 ± 0.5132
ea02 1342 1342/1342 1342 ± 0 5.876 5.388/6.328 5.933 ± 0.6136
ea05 1342 1342/1342 1342 ± 0 5.786 5.332/6.178 5.822 ± 0.5659
ea06 1342 1342/1342 1342 ± 0 5.105 4.857/5.406 5.149 ± 0.3577
ea07 1342 1342/1342 1342 ± 0 5.64 5.403/5.883 5.736 ± 0.4099
ea08 1342 1342/1342 1342 ± 0 5.948 5.686/6.609 6.126 ± 0.6146
ea09 1342 1342/1342 1342 ± 0 5.219 4.814/5.591 5.259 ± 0.4675
ea10 1342 1342/1342 1342 ± 0.000006373 5.693 5.332/6.403 5.808 ± 0.5921
ea11 1342 1342/1342 1342 ± 0 5.827 5.383/6.336 5.887 ± 0.5563
ea12 1342 1342/1342 1342 ± 0 5.79 5.392/6.292 5.903 ± 0.574
ea13 1342 1342/1342 1342 ± 0 5.903 5.574/6.445 5.997 ± 0.5269
ea14 1342 1342/1342 1342 ± 0 5.883 5.422/6.427 5.98 ± 0.6442
ea15 1342 1342/1342 1342 ± 0 5.494 5.179/6.259 5.748 ± 0.6539
ea16 1342 1342/1342 1342 ± 0 5.252 5.154/5.36 5.226 ± 0.1943
ea17 1342 1342/1342 1342 ± 0.000002018 6.03 5.6/6.551 6.129 ± 0.6153
ea18 1342 1342/1342 1342 ± 0 5.177 4.793/5.614 5.234 ± 0.5197
ea19 1342 1342/1342 1342 ± 0 5.991 5.551/6.536 6.14 ± 0.5873
ea20 1342 1342/1342 1342 ± 0 6.109 5.725/6.647 6.229 ± 0.5891
ea21 1342 1342/1342 1342 ± 0 5.736 5.463/6.176 5.859 ± 0.5092
ea22 1342 1342/1342 1342 ± 0 5.718 5.319/6.268 5.823 ± 0.5873
ea23 1342 1342/1342 1342 ± 0 5.91 5.498/6.358 6.033 ± 0.6193
ea25 1342 1342/1342 1342 ± 0 5.308 5.213/5.449 5.329 ± 0.2039
ea26 1342 1342/1342 1342 ± 0 5.708 5.34/6.185 5.815 ± 0.5374
ea27 1342 1342/1342 1342 ± 0.00001856 5.467 5.262/6.228 5.663 ± 0.5308
ea28 1342 1342/1342 1342 ± 0.000001165 5.788 5.404/6.385 5.921 ± 0.5847
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 ± 0.00002399 5.454 5.224/5.609 5.43 ± 0.2845
3 1342 1342/1342 1342 ± 0.000024 5.215 5.056/5.49 5.262 ± 0.2954
4 1342 1342/1342 1342 ± 0.00002399 5.343 5.165/5.483 5.311 ± 0.3244
5 1342 1342/1342 1342 ± 0.00002399 5.404 5.284/5.521 5.356 ± 0.2864
6 1342 1342/1342 1342 ± 0.00002399 5.315 5.212/5.402 5.28 ± 0.2386
7 1342 1342/1342 1342 ± 0.00002399 5.317 5.219/5.427 5.308 ± 0.2216
8 1342 1342/1342 1342 ± 0.00002399 5.326 5.084/5.453 5.265 ± 0.2681
9 1342 1342/1342 1342 ± 0.00002399 5.594 5.39/5.805 5.538 ± 0.3213
10 1342 1342/1342 1342 ± 0.00002497 6.016 5.79/6.15 5.933 ± 0.3135
11 1342 1342/1342 1342 ± 0.00002497 6.216 6.051/6.385 6.142 ± 0.3395
12 1342 1342/1342 1342 ± 0.00002497 6.337 6.102/6.483 6.284 ± 0.347
13 1342 1342/1342 1342 ± 0.00002497 6.797 6.505/6.966 6.717 ± 0.3689
14 1342 1342/1342 1342 ± 0.00002497 6.914 6.733/7.153 6.882 ± 0.3893
15 1342 1342/1342 1342 ± 0.00002497 6.575 6.353/6.763 6.48 ± 0.3771
16 1342 1342/1342 1342 ± 0.00002861 5.923 5.643/6.292 5.93 ± 0.3622
17 1342 1342/1342 1342 ± 0.00002605 5.985 5.754/6.251 5.947 ± 0.3429
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38528342.eb38565674.59072.03519471065_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-07 06:31:13.786
End
2024-05-07 07:19:33.228
Duration
0:48:19.442
Note, WebLog generation is not included in the time.

CASA logs for stage 7