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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 5.975 5.837/6.804 6.264 ± 0.6089
ea02 1342 1342/1342 1342 ± 0.00001772 6.32 5.847/6.593 6.357 ± 0.6255
ea03 1342 1342/1342 1342 ± 0 6.341 5.598/6.961 6.36 ± 0.7469
ea04 1342 1342/1342 1342 ± 0.0000242 5.718 5.362/6.338 5.83 ± 0.5802
ea05 1342 1342/1342 1342 ± 0.00002336 5.822 5.612/6.861 6.133 ± 0.6683
ea06 1342 1342/1342 1342 ± 0.000001968 6.059 5.257/6.242 5.937 ± 0.66
ea07 1342 1342/1342 1342 ± 0 6.322 5.441/6.542 6.183 ± 0.7533
ea08 1342 1342/1342 1342 ± 0 6.536 5.795/7.06 6.543 ± 0.7096
ea09 1342 1342/1342 1342 ± 0.000006565 5.694 5.282/6.566 5.85 ± 0.634
ea10 1342 1342/1342 1342 ± 0 5.789 5.496/6.462 5.958 ± 0.6218
ea11 1342 1342/1342 1342 ± 0.00003973 5.707 5.286/6.69 5.933 ± 0.77
ea12 1342 1342/1342 1342 ± 0.00001818 5.644 5.484/6.475 5.95 ± 0.6193
ea14 1342 1342/1342 1342 ± 0 5.922 5.709/6.773 6.174 ± 0.6443
ea15 1342 1342/1342 1342 ± 0.00003368 5.852 5.691/6.722 6.204 ± 0.6822
ea16 1342 1342/1342 1342 ± 0 6.36 5.902/6.897 6.422 ± 0.7103
ea17 1342 1342/1342 1342 ± 0 6.406 5.908/7.292 6.507 ± 0.7051
ea18 1342 1342/1342 1342 ± 0 6.704 5.986/7.345 6.624 ± 0.7544
ea19 1342 1342/1342 1342 ± 0.0000208 5.972 5.659/6.896 6.258 ± 0.6775
ea20 1342 1342/1342 1342 ± 0 6.287 6.046/7.233 6.578 ± 0.6571
ea21 1342 1342/1342 1342 ± 0 5.6 5.176/6.063 5.683 ± 0.535
ea22 1342 1342/1342 1342 ± 0 6.073 5.607/6.612 6.056 ± 0.6484
ea23 1342 1342/1342 1342 ± 0 5.941 5.667/6.614 6.256 ± 0.677
ea24 1342 1342/1342 1342 ± 0 6.293 5.411/6.83 6.127 ± 0.705
ea25 1342 1342/1342 1342 ± 0 6.644 5.806/7.142 6.606 ± 0.85
ea27 1342 1342/1342 1342 ± 0.00001207 6.029 5.563/6.744 6.146 ± 0.6627
ea28 1342 1342/1342 1342 ± 0 6.358 5.839/7.11 6.435 ± 0.6833
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 ± 0.00002348 5.625 5.486/5.842 5.635 ± 0.2562
3 1342 1342/1342 1342 ± 0.00003949 5.069 4.839/5.456 5.128 ± 0.3692
4 1342 1342/1342 1342 ± 0.00003205 5.32 5.164/5.557 5.314 ± 0.333
5 1342 1342/1342 1342 ± 0.00002348 5.572 5.255/5.81 5.556 ± 0.2911
6 1342 1342/1342 1342 ± 0.00002348 5.6 5.378/5.843 5.588 ± 0.2641
7 1342 1342/1342 1342 ± 0.00002348 5.634 5.411/5.81 5.605 ± 0.2417
8 1342 1342/1342 1342 ± 0.00002348 5.561 5.255/5.748 5.537 ± 0.2935
9 1342 1342/1342 1342 ± 0.00002348 5.857 5.686/6.046 5.858 ± 0.2968
10 1342 1342/1342 1342 ± 0.00002348 6.371 6.23/6.484 6.355 ± 0.2644
11 1342 1342/1342 1342 ± 0.00002348 6.621 6.366/6.727 6.59 ± 0.2836
12 1342 1342/1342 1342 ± 0.00002348 6.763 6.567/6.961 6.763 ± 0.3164
13 1342 1342/1342 1342 ± 0.00002348 7.262 6.967/7.492 7.255 ± 0.3402
14 1342 1342/1342 1342 ± 0.00002348 7.325 7.109/7.64 7.384 ± 0.3845
15 1342 1342/1342 1342 ± 0.00002348 7.09 6.809/7.337 7.05 ± 0.3341
16 1342 1342/1342 1342 ± 0.00004334 6.062 5.755/6.424 6.11 ± 0.3987
17 1342 1342/1342 1342 ± 0.00003796 6.073 5.814/6.355 6.072 ± 0.3802
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-31 21:05:47.295
End
2025-07-31 22:17:47.747
Duration
1:12:00.452
Note, WebLog generation is not included in the time.

CASA logs for stage 8