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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.47 5.315/6.125 5.652 ± 0.6923
ea02 1342 1342/1342 1342 ± 0.00002693 5.574 5.085/6.277 5.574 ± 0.6783
ea03 1342 1342/1342 1342 ± 0 5.325 5.155/6.228 5.68 ± 0.6223
ea04 1342 1342/1342 1342 ± 0.00003615 5.089 4.761/5.84 5.195 ± 0.5767
ea05 1342 1342/1342 1342 ± 0.00004164 5.256 4.963/6.1 5.447 ± 0.6842
ea06 1342 1342/1342 1342 ± 0 5.177 4.696/5.734 5.218 ± 0.5662
ea07 1342 1342/1342 1342 ± 0.00002337 5.312 4.792/5.994 5.358 ± 0.6402
ea08 1342 1342/1342 1342 ± 0.00001538 5.55 5.317/6.558 5.78 ± 0.682
ea09 1342 1342/1342 1342 ± 0.00004103 5.105 4.808/5.868 5.408 ± 0.7593
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00004339 5.406 4.534/6.033 5.337 ± 0.7682
ea12 1342 1342/1342 1342 ± 0.00002824 5.161 4.712/5.746 5.188 ± 0.6145
ea14 1342 1342/1342 1342 ± 0.00003807 5.312 5.182/6.199 5.536 ± 0.6258
ea15 1342 1342/1342 1342 ± 0.00004274 5.619 5.291/6.44 5.721 ± 0.7731
ea16 1342 1342/1342 1342 ± 0.000001964 5.658 5.143/6.259 5.774 ± 0.6966
ea17 1342 1342/1342 1342 ± 0.00002864 5.598 5.112/6.412 5.77 ± 0.7355
ea18 1342 1342/1342 1342 ± 0.00001286 5.593 5.33/6.482 5.801 ± 0.6894
ea19 1342 1342/1342 1342 ± 0.00001421 5.314 5.06/6.108 5.451 ± 0.6967
ea20 1342 1342/1342 1342 ± 0.000002536 5.861 5.539/6.642 6.069 ± 0.6933
ea21 1342 1342/1342 1342 ± 0 5.006 4.842/5.639 5.222 ± 0.5103
ea22 1342 1342/1342 1342 ± 0.00001905 5.405 5.002/6.194 5.531 ± 0.6191
ea23 1342 1342/1342 1342 ± 0.00003711 5.492 5.009/6.238 5.61 ± 0.6809
ea24 1342 1342/1342 1342 ± 0 5.306 5.068/6.131 5.576 ± 0.5836
ea25 1342 1342/1342 1342 ± 0 5.802 5.437/6.55 6.078 ± 0.7553
ea27 1342 1342/1342 1342 ± 0 5.176 4.88/6.053 5.323 ± 0.7161
ea28 1342 1342/1342 1342 ± 0.000001599 5.667 5.509/6.603 5.992 ± 0.6407
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 ± 0.00002437 5.134 4.928/5.307 5.137 ± 0.2571
5 1342 1342/1342 1342 ± 0.00002491 5.099 4.819/5.262 5.078 ± 0.3354
6 1342 1342/1342 1342 ± 0.00002487 5.067 4.833/5.347 5.089 ± 0.2816
7 1342 1342/1342 1342 ± 0.00002437 5.238 5.035/5.406 5.226 ± 0.2387
8 1342 1342/1342 1342 ± 0.00002437 5.149 4.967/5.351 5.17 ± 0.2656
9 1342 1342/1342 1342 ± 0.00002437 5.492 5.298/5.669 5.487 ± 0.2577
10 1342 1342/1342 1342 ± 0.00002437 5.972 5.776/6.078 5.928 ± 0.2635
11 1342 1342/1342 1342 ± 0.00002437 6.232 6.116/6.42 6.21 ± 0.2744
12 1342 1342/1342 1342 ± 0.00002437 6.362 6.244/6.55 6.39 ± 0.3215
13 1342 1342/1342 1342 ± 0.00002437 6.64 6.363/6.956 6.683 ± 0.4025
14 1342 1342/1342 1342 ± 0.00002531 5.849 5.585/6.456 6.026 ± 0.5931
15 1342 1342/1342 1342 ± 0.0000244 6.185 5.961/6.492 6.197 ± 0.3711
16 1342 1342/1342 1342 ± 0.00005774 4.63 4.422/4.934 4.725 ± 0.4464
17 1342 1342/1342 1342 ± 0.00005713 4.618 4.44/4.878 4.695 ± 0.3826
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-07-23 08:11:30.119
End
2025-07-23 09:25:30.476
Duration
1:14:00.357
Note, WebLog generation is not included in the time.

CASA logs for stage 8