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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.219 5.636/6.639 6.203 ± 0.6566
ea02 1342 1342/1342 1342 ± 0.000007674 6.312 5.61/6.574 6.251 ± 0.6254
ea03 1342 1342/1342 1342 ± 0 6.085 5.418/6.703 6.129 ± 0.7166
ea04 1342 1342/1342 1342 ± 0 5.656 5.165/6.077 5.65 ± 0.5774
ea05 1342 1342/1342 1342 ± 0 5.984 5.286/6.606 5.961 ± 0.6439
ea06 1342 1342/1342 1342 ± 0 6.014 5.156/6.118 5.783 ± 0.6153
ea07 1342 1342/1342 1342 ± 0 6.055 5.308/6.388 5.932 ± 0.6906
ea08 1342 1342/1342 1342 ± 0 6.539 5.743/6.777 6.391 ± 0.643
ea09 1342 1342/1342 1342 ± 0 5.919 5.231/6.41 5.887 ± 0.6447
ea10 1342 1342/1342 1342 ± 0 5.533 5.06/5.961 5.522 ± 0.5328
ea11 1342 1342/1342 1342 ± 0.000001989 5.487 5.201/6.267 5.685 ± 0.6518
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.971 5.496/6.203 5.922 ± 0.4961
ea14 1342 1342/1342 1342 ± 0 6.044 5.516/6.395 6.049 ± 0.5262
ea15 1342 1342/1342 1342 ± 0 6.248 5.635/6.641 6.252 ± 0.699
ea16 1342 1342/1342 1342 ± 0 6.215 5.688/6.646 6.243 ± 0.6775
ea17 1342 1342/1342 1342 ± 0 6.147 5.681/6.851 6.216 ± 0.6901
ea18 1342 1342/1342 1342 ± 0 6.284 5.766/6.825 6.236 ± 0.5881
ea19 1342 1342/1342 1342 ± 0 6.049 5.42/6.537 5.994 ± 0.6076
ea20 1342 1342/1342 1342 ± 0 6.156 5.514/6.606 6.067 ± 0.6195
ea21 1342 1342/1342 1342 ± 0 5.457 5.135/5.882 5.564 ± 0.4849
ea22 1342 1342/1342 1342 ± 0 6.314 5.629/6.657 6.179 ± 0.6338
ea23 1342 1342/1342 1342 ± 0.000001985 6.197 5.571/6.365 6.083 ± 0.6688
ea24 1342 1342/1342 1342 ± 0 6.065 5.161/6.414 5.834 ± 0.629
ea25 1342 1342/1342 1342 ± 0.000002015 6.36 5.656/6.857 6.366 ± 0.7495
ea27 1342 1342/1342 1342 ± 0.000001985 6.031 5.239/6.447 5.885 ± 0.6657
ea28 1342 1342/1342 1342 ± 0.000001985 6.366 5.723/6.834 6.345 ± 0.627
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 ± 0.00002376 5.5 5.331/5.671 5.504 ± 0.2575
4 1342 1342/1342 1342 ± 0.0000251 5.38 5.201/5.611 5.396 ± 0.3219
5 1342 1342/1342 1342 ± 0.0000238 5.379 5.12/5.552 5.355 ± 0.2839
6 1342 1342/1342 1342 ± 0.00002376 5.28 4.953/5.492 5.242 ± 0.3437
7 1342 1342/1342 1342 ± 0.00002376 5.479 5.257/5.655 5.449 ± 0.2333
8 1342 1342/1342 1342 ± 0.00002376 5.47 5.183/5.632 5.413 ± 0.2586
9 1342 1342/1342 1342 ± 0.00002376 5.756 5.59/5.895 5.712 ± 0.2603
10 1342 1342/1342 1342 ± 0.0000238 6.152 6.049/6.253 6.126 ± 0.2269
11 1342 1342/1342 1342 ± 0.00002376 6.336 6.21/6.459 6.336 ± 0.2355
12 1342 1342/1342 1342 ± 0.00002376 6.536 6.249/6.664 6.472 ± 0.266
13 1342 1342/1342 1342 ± 0.00002389 6.927 6.67/7.127 6.898 ± 0.301
14 1342 1342/1342 1342 ± 0.00002376 7.179 6.935/7.361 7.117 ± 0.3298
15 1342 1342/1342 1342 ± 0.00002376 6.836 6.62/7.182 6.865 ± 0.3597
16 1342 1342/1342 1342 ± 0.00002376 6.234 6.038/6.576 6.259 ± 0.366
17 1342 1342/1342 1342 ± 0.00002376 6.239 6.063/6.505 6.213 ± 0.3354
output_dir
 
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-08-07 18:25:01.607
End
2025-08-07 18:43:04.185
Duration
0:18:02.578
Note, WebLog generation is not included in the time.

CASA logs for stage 8