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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.859 5.47/6.432 5.992 ± 0.6016
ea02 1342 1342/1342 1342 ± 0 5.924 5.409/6.665 6.075 ± 0.6861
ea04 1342 1342/1342 1342 ± 0 5.378 4.794/5.889 5.397 ± 0.6433
ea05 1342 1342/1342 1342 ± 0.00002123 5.754 4.913/6.25 5.551 ± 0.6887
ea06 1342 1342/1342 1342 ± 0 4.73 4.302/5.184 4.743 ± 0.4596
ea07 1342 1342/1342 1342 ± 0 6.189 5.515/6.504 6.15 ± 0.6408
ea08 1342 1342/1342 1342 ± 0.000009641 5.976 5.631/6.897 6.255 ± 0.7254
ea09 1342 1342/1342 1342 ± 0 5.443 5.033/6.409 5.611 ± 0.6873
ea10 1342 1342/1342 1342 ± 0 6.055 5.391/6.922 6.123 ± 0.7759
ea11 1342 1342/1342 1342 ± 0 6.112 5.288/6.602 6.024 ± 0.7211
ea12 1342 1342/1342 1342 ± 0 5.813 5.139/6.366 5.834 ± 0.6778
ea13 1342 1342/1342 1342 ± 0 5.915 5.339/6.151 5.861 ± 0.5941
ea14 1342 1342/1342 1342 ± 0 5.984 5.172/6.391 5.868 ± 0.7077
ea15 1342 1342/1342 1342 ± 0 5.525 4.656/6.014 5.447 ± 0.7735
ea16 1342 1342/1342 1342 ± 0 6.135 5.453/6.686 6.198 ± 0.7993
ea17 1342 1342/1342 1342 ± 0.0000218 6.228 5.621/7.029 6.314 ± 0.7263
ea18 1342 1342/1342 1342 ± 0 5.2 4.736/5.731 5.25 ± 0.559
ea19 1342 1342/1342 1342 ± 0 6.025 5.246/6.61 5.983 ± 0.7651
ea20 1342 1342/1342 1342 ± 0 6.278 5.667/6.847 6.188 ± 0.6933
ea21 1342 1342/1342 1342 ± 0 5.737 5.068/6.266 5.706 ± 0.6675
ea22 1342 1342/1342 1342 ± 0 5.415 5.149/6.317 5.696 ± 0.6546
ea23 1342 1342/1342 1342 ± 0 6.238 5.487/6.754 6.214 ± 0.7554
ea25 1342 1342/1342 1342 ± 0 5.863 5.311/6.437 5.904 ± 0.658
ea26 1342 1342/1342 1342 ± 0 5.762 5.253/6.752 5.968 ± 0.752
ea27 1342 1342/1342 1342 ± 0.00002461 5.697 5.352/6.701 5.906 ± 0.7428
ea28 1342 1342/1342 1342 ± 0.00002013 5.801 5.625/6.851 6.137 ± 0.7159
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 5.268 4.931/5.458 5.202 ± 0.348
3 1342 1342/1342 1342 ± 0.00002519 5.151 4.944/5.362 5.105 ± 0.3139
4 1342 1342/1342 1342 ± 0.00003334 5.119 4.679/5.296 5.045 ± 0.3584
5 1342 1342/1342 1342 ± 0.00002349 5.172 5.019/5.491 5.232 ± 0.4022
6 1342 1342/1342 1342 ± 0.00002349 5.228 4.989/5.467 5.19 ± 0.3566
7 1342 1342/1342 1342 ± 0.00002349 5.316 5.124/5.453 5.238 ± 0.3312
8 1342 1342/1342 1342 ± 0.00002349 5.316 5.05/5.506 5.24 ± 0.366
9 1342 1342/1342 1342 ± 0.00002349 5.575 5.343/5.85 5.543 ± 0.4144
10 1342 1342/1342 1342 ± 0.00002349 6.119 5.816/6.29 6.039 ± 0.3812
11 1342 1342/1342 1342 ± 0.00002349 6.355 6.128/6.559 6.269 ± 0.4018
12 1342 1342/1342 1342 ± 0.00002349 6.505 6.271/6.71 6.453 ± 0.4271
13 1342 1342/1342 1342 ± 0.00002349 7.059 6.726/7.193 6.935 ± 0.4439
14 1342 1342/1342 1342 ± 0.00002349 7.206 6.827/7.428 7.102 ± 0.4848
15 1342 1342/1342 1342 ± 0.00002349 6.779 6.463/7.004 6.675 ± 0.464
16 1342 1342/1342 1342 ± 0.00003266 5.956 5.754/6.236 5.937 ± 0.3843
17 1342 1342/1342 1342 ± 0.00003008 5.943 5.703/6.18 5.922 ± 0.3739
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-07 10:42:52.647
End
2025-01-07 11:52:56.783
Duration
1:10:04.136
Note, WebLog generation is not included in the time.

CASA logs for stage 8