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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 6.001 5.128/6.409 5.797 ± 0.7349
ea02 1342 1342/1342 1342 ± 0.00004162 5.808 5.043/6.334 5.724 ± 0.7065
ea03 1342 1342/1342 1342 ± 0.0000278 5.095 5.003/6.506 5.669 ± 0.8186
ea04 1342 1342/1342 1342 ± 0.00004146 4.998 4.872/6.008 5.413 ± 0.6648
ea05 1342 1342/1342 1342 ± 0.00004247 5.542 4.764/6.379 5.541 ± 0.7843
ea06 1342 1342/1342 1342 ± 0.00001344 5.786 4.577/6.039 5.403 ± 0.7862
ea07 1342 1342/1342 1342 ± 0.0000407 5.124 4.853/6.14 5.521 ± 0.7307
ea08 1342 1342/1342 1342 ± 0.00003773 6.008 5.282/6.622 5.904 ± 0.7822
ea09 1342 1342/1342 1342 ± 0.00004092 4.949 4.756/5.987 5.309 ± 0.6834
ea10 1342 1342/1342 1342 ± 0.00004167 4.428 4.189/4.872 4.539 ± 0.3494
ea11 1342 1342/1342 1342 ± 0.00004107 5.155 4.637/6.361 5.494 ± 0.9604
ea12 1342 1342/1342 1342 ± 0.00003923 5.057 4.809/5.956 5.352 ± 0.659
ea14 1342 1342/1342 1342 ± 0.00004214 5.761 5.179/6.341 5.752 ± 0.6777
ea15 1342 1342/1342 1342 ± 0.00004302 5.498 5.189/6.397 5.848 ± 0.7854
ea16 1342 1342/1342 1342 ± 0.00002056 5.757 5.209/6.606 5.912 ± 0.8245
ea17 1342 1342/1342 1342 ± 0.00004164 5.588 5.229/6.617 5.902 ± 0.7477
ea18 1342 1342/1342 1342 ± 0.00004114 5.695 5.264/6.655 5.893 ± 0.8232
ea19 1342 1342/1342 1342 ± 0.0000296 5.821 5.009/6.355 5.676 ± 0.7411
ea20 1342 1342/1342 1342 ± 0.00002604 5.951 5.565/6.796 6.149 ± 0.7767
ea21 1342 1342/1342 1342 ± 0.00001037 5.087 4.764/5.795 5.291 ± 0.6196
ea22 1342 1342/1342 1342 ± 0.00003967 5.398 4.94/6.233 5.592 ± 0.6854
ea23 1342 1342/1342 1342 ± 0.00003982 5.922 5.11/6.323 5.79 ± 0.7509
ea24 1342 1342/1342 1342 ± 0.00001175 5.529 4.854/6.185 5.528 ± 0.7127
ea25 1342 1342/1342 1342 ± 0.000001843 5.709 5.047/6.727 5.947 ± 0.9714
ea27 1342 1342/1342 1342 ± 0.00001283 5.667 4.958/6.195 5.552 ± 0.6821
ea28 1342 1342/1342 1342 ± 0.00002126 5.447 5.36/6.642 5.979 ± 0.7605
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 ± 0.00002509 4.906 4.754/5.023 4.877 ± 0.3065
5 1342 1342/1342 1342 ± 0.00002499 5.144 4.878/5.529 5.173 ± 0.4016
6 1342 1342/1342 1342 ± 0.00002509 4.946 4.66/5.2 4.918 ± 0.3391
7 1342 1342/1342 1342 ± 0.00002509 5 4.809/5.258 5.008 ± 0.3131
8 1342 1342/1342 1342 ± 0.00002509 5.048 4.832/5.266 5.059 ± 0.3407
9 1342 1342/1342 1342 ± 0.00002661 5.165 4.93/5.455 5.19 ± 0.3697
10 1342 1342/1342 1342 ± 0.00002473 5.95 5.787/6.133 5.914 ± 0.3282
11 1342 1342/1342 1342 ± 0.00002473 6.228 6.069/6.395 6.165 ± 0.3559
12 1342 1342/1342 1342 ± 0.00002473 6.356 6.147/6.564 6.315 ± 0.4206
13 1342 1342/1342 1342 ± 0.00002473 6.809 6.543/7.086 6.751 ± 0.5129
14 1342 1342/1342 1342 ± 0.00002525 6.667 6.516/7.031 6.771 ± 0.378
15 1342 1342/1342 1342 ± 0.0000468 6.071 5.862/6.319 6.074 ± 0.4377
16 1342 1342/1342 1342 ± 0.00005758 4.711 4.585/4.922 4.751 ± 0.265
17 1342 1342/1342 1342 ± 0.00005787 4.801 4.647/4.981 4.808 ± 0.2548
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-26 11:14:54.337
End
2025-07-26 12:12:58.310
Duration
0:58:03.973
Note, WebLog generation is not included in the time.

CASA logs for stage 8