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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.135 4.925/5.605 5.251 ± 0.4295
ea02 1342 1342/1342 1342 ± 0 6.239 5.552/6.444 6.227 ± 0.6166
ea03 1342 1342/1342 1342 ± 0 6.083 5.418/6.689 6.121 ± 0.7121
ea04 1342 1342/1342 1342 ± 0.00002154 5.589 5.244/6.097 5.679 ± 0.5423
ea05 1342 1342/1342 1342 ± 0.0000201 5.642 5.373/6.533 5.908 ± 0.638
ea06 1342 1342/1342 1342 ± 0 6.011 5.061/6.134 5.749 ± 0.6462
ea07 1342 1342/1342 1342 ± 0 6.05 5.256/6.255 5.908 ± 0.7035
ea08 1342 1342/1342 1342 ± 0 6.397 5.656/6.82 6.35 ± 0.6653
ea09 1342 1342/1342 1342 ± 0.000004459 5.613 5.13/6.406 5.721 ± 0.634
ea10 1342 1342/1342 1342 ± 0 5.449 5.058/6.038 5.552 ± 0.5707
ea11 1342 1342/1342 1342 ± 0.00004159 5.339 5.094/6.183 5.596 ± 0.6296
ea12 1342 1342/1342 1342 ± 0.00002243 5.474 5.247/6.238 5.728 ± 0.5783
ea13 1342 1342/1342 1342 ± 0 5.949 5.646/6.441 6.029 ± 0.6704
ea14 1342 1342/1342 1342 ± 0 5.902 5.572/6.558 6.115 ± 0.5783
ea15 1342 1342/1342 1342 ± 0.00003206 5.964 5.665/6.714 6.183 ± 0.7098
ea17 1342 1342/1342 1342 ± 0 6.19 5.739/6.979 6.299 ± 0.6941
ea18 1342 1342/1342 1342 ± 0 6.449 5.847/7.079 6.428 ± 0.6787
ea19 1342 1342/1342 1342 ± 0.00002089 5.86 5.365/6.519 5.95 ± 0.6115
ea20 1342 1342/1342 1342 ± 0 5.831 5.59/6.69 6.069 ± 0.6098
ea21 1342 1342/1342 1342 ± 0 5.393 5.071/5.871 5.522 ± 0.515
ea22 1342 1342/1342 1342 ± 0 6.412 5.833/6.908 6.367 ± 0.6762
ea23 1342 1342/1342 1342 ± 0 5.8 5.435/6.343 6.018 ± 0.6421
ea24 1342 1342/1342 1342 ± 0 6.122 5.26/6.618 5.937 ± 0.6811
ea25 1342 1342/1342 1342 ± 0 6.506 5.641/6.87 6.432 ± 0.7979
ea28 1342 1342/1342 1342 ± 0 6.076 5.776/6.983 6.307 ± 0.6578
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 ± 0.00002395 5.473 5.205/5.599 5.404 ± 0.2971
4 1342 1342/1342 1342 ± 0.00002868 4.923 4.732/5.1 4.926 ± 0.2573
5 1342 1342/1342 1342 ± 0.00002395 5.378 5.197/5.62 5.399 ± 0.3009
6 1342 1342/1342 1342 ± 0.00002395 5.265 5.054/5.501 5.248 ± 0.2798
7 1342 1342/1342 1342 ± 0.00002395 5.425 5.245/5.643 5.416 ± 0.2687
8 1342 1342/1342 1342 ± 0.00002395 5.382 5.165/5.591 5.358 ± 0.2936
9 1342 1342/1342 1342 ± 0.00002395 5.654 5.535/5.891 5.671 ± 0.3169
10 1342 1342/1342 1342 ± 0.00002395 6.194 5.996/6.328 6.122 ± 0.2966
11 1342 1342/1342 1342 ± 0.00002395 6.378 6.15/6.554 6.333 ± 0.3381
12 1342 1342/1342 1342 ± 0.00002395 6.519 6.236/6.697 6.476 ± 0.3665
13 1342 1342/1342 1342 ± 0.00002395 7.031 6.61/7.2 6.925 ± 0.3888
14 1342 1342/1342 1342 ± 0.00002395 7.116 6.821/7.369 7.051 ± 0.4326
15 1342 1342/1342 1342 ± 0.00002395 6.846 6.517/7.149 6.776 ± 0.4011
16 1342 1342/1342 1342 ± 0.00003897 5.936 5.634/6.407 5.979 ± 0.4523
17 1342 1342/1342 1342 ± 0.00004413 5.985 5.594/6.218 5.885 ± 0.4431
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
output_dir
 
Start time
2025-07-19 14:21:58.373
End
2025-07-19 15:32:48.707
Duration
1:10:50.334
Note, WebLog generation is not included in the time.

CASA logs for stage 8