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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.236 5.792/6.633 6.204 ± 0.7592
ea02 1342 1342/1342 1342 ± 0.00003045 6.369 5.814/6.514 6.34 ± 0.5955
ea03 1342 1342/1342 1342 ± 0 6.251 5.607/6.859 6.314 ± 0.7018
ea04 1342 1342/1342 1342 ± 0 5.626 5.18/6.061 5.702 ± 0.532
ea05 1342 1342/1342 1342 ± 0 6.007 5.534/6.6 5.999 ± 0.8574
ea06 1342 1342/1342 1342 ± 0 6.139 5.249/6.3 5.908 ± 0.6335
ea07 1342 1342/1342 1342 ± 0 5.974 5.434/6.493 6.015 ± 0.749
ea08 1342 1342/1342 1342 ± 0 6.523 5.814/6.921 6.511 ± 0.6921
ea09 1342 1342/1342 1342 ± 0 5.764 5.247/6.507 5.919 ± 0.6742
ea10 1342 1342/1342 1342 ± 0 5.77 5.37/6.265 5.713 ± 0.8847
ea11 1342 1342/1342 1342 ± 0 5.691 5.398/6.543 5.862 ± 0.7948
ea12 1342 1342/1342 1342 ± 0 5.635 5.421/6.218 5.818 ± 0.6833
ea13 1342 1342/1342 1342 ± 0 6.218 5.735/6.394 6.161 ± 0.5255
ea14 1342 1342/1342 1342 ± 0 6.16 5.69/6.588 6.159 ± 0.7467
ea15 1342 1342/1342 1342 ± 0 6.325 5.71/6.748 6.345 ± 0.6902
ea16 1342 1342/1342 1342 ± 0 6.287 5.845/6.802 6.407 ± 0.6638
ea17 1342 1342/1342 1342 ± 0 6.253 5.888/7.009 6.36 ± 0.8952
ea18 1342 1342/1342 1342 ± 0 6.454 6.015/7.075 6.569 ± 0.7098
ea19 1342 1342/1342 1342 ± 0 6.082 5.618/6.604 6.174 ± 0.6596
ea20 1342 1342/1342 1342 ± 0 6.074 5.841/6.183 5.889 ± 0.5215
ea21 1342 1342/1342 1342 ± 0 5.474 5.119/5.859 5.55 ± 0.5032
ea22 1342 1342/1342 1342 ± 0 6.03 5.59/6.462 6.073 ± 0.6264
ea23 1342 1342/1342 1342 ± 0 6.138 5.584/6.337 6.106 ± 0.6136
ea24 1342 1342/1342 1342 ± 0 6.397 5.577/6.793 6.201 ± 0.6419
ea25 1342 1342/1342 1342 ± 0 6.603 5.865/7.215 6.611 ± 0.8112
ea27 1342 1342/1342 1342 ± 0 5.987 5.478/6.414 5.944 ± 0.5557
ea28 1342 1342/1342 1342 ± 0 6.571 5.859/7.139 6.578 ± 0.6868
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 ± 0.00002305 5.674 5.484/5.836 5.667 ± 0.2734
3 1342 1342/1342 1342 ± 0.00003186 4.382 4.094/5.164 4.532 ± 0.7513
4 1342 1342/1342 1342 ± 0.00002348 5.508 5.343/5.731 5.507 ± 0.3039
5 1342 1342/1342 1342 ± 0.00002305 5.604 5.38/5.877 5.634 ± 0.3004
6 1342 1342/1342 1342 ± 0.00002305 5.582 5.29/5.822 5.549 ± 0.2837
7 1342 1342/1342 1342 ± 0.00002305 5.622 5.475/5.825 5.628 ± 0.2583
8 1342 1342/1342 1342 ± 0.00002305 5.56 5.274/5.696 5.537 ± 0.2995
9 1342 1342/1342 1342 ± 0.00002305 5.825 5.68/6.047 5.841 ± 0.3098
10 1342 1342/1342 1342 ± 0.00002348 6.294 6.139/6.39 6.26 ± 0.2683
11 1342 1342/1342 1342 ± 0.00002348 6.509 6.237/6.683 6.469 ± 0.2914
12 1342 1342/1342 1342 ± 0.00002348 6.601 6.372/6.822 6.613 ± 0.3387
13 1342 1342/1342 1342 ± 0.00002348 7.079 6.805/7.384 7.088 ± 0.3502
14 1342 1342/1342 1342 ± 0.00002348 7.366 7.091/7.639 7.329 ± 0.3689
15 1342 1342/1342 1342 ± 0.00002348 7.039 6.761/7.335 7.037 ± 0.372
16 1342 1342/1342 1342 ± 0.00002348 6.403 6.086/6.695 6.404 ± 0.4195
17 1342 1342/1342 1342 ± 0.00002348 6.399 6.173/6.62 6.359 ± 0.3981
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-30 09:22:36.208
End
2025-07-30 10:17:38.017
Duration
0:55:01.808
Note, WebLog generation is not included in the time.

CASA logs for stage 8