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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.697 5.539/6.531 5.859 ± 0.7472
ea02 1342 1342/1342 1342 ± 0 6.01 5.501/6.428 5.986 ± 0.7912
ea03 1342 1342/1342 1342 ± 0 6.048 5.376/6.671 5.961 ± 0.7401
ea04 1342 1342/1342 1342 ± 0.00001057 5.302 4.93/5.938 5.331 ± 0.6585
ea05 1342 1342/1342 1342 ± 0.00001057 5.548 5.204/6.347 5.671 ± 0.7421
ea06 1342 1342/1342 1342 ± 0 5.57 4.997/5.975 5.552 ± 0.6598
ea07 1342 1342/1342 1342 ± 0 5.722 5.017/6.094 5.602 ± 0.8142
ea08 1342 1342/1342 1342 ± 0 5.949 5.376/6.51 5.942 ± 0.7443
ea09 1342 1342/1342 1342 ± 0 5.564 5.049/6.255 5.596 ± 0.6641
ea10 1342 1342/1342 1342 ± 0 5.29 5.018/6.068 5.452 ± 0.6499
ea11 1342 1342/1342 1342 ± 0.00003812 5.488 4.944/6.324 5.5 ± 0.8466
ea12 1342 1342/1342 1342 ± 0.0000289 5.384 5.227/6.222 5.535 ± 0.7005
ea14 1342 1342/1342 1342 ± 0.000002665 5.653 5.421/6.416 5.829 ± 0.6763
ea15 1342 1342/1342 1342 ± 0.00002648 5.785 5.514/6.626 5.926 ± 0.8323
ea16 1342 1342/1342 1342 ± 0 5.983 5.587/6.625 6.065 ± 0.7089
ea17 1342 1342/1342 1342 ± 0 6.025 5.564/6.939 6.084 ± 0.7513
ea18 1342 1342/1342 1342 ± 0 6.424 5.73/7.008 6.258 ± 0.7935
ea19 1342 1342/1342 1342 ± 0.00002549 5.602 5.336/6.638 5.809 ± 0.7348
ea20 1342 1342/1342 1342 ± 0 6.238 5.811/6.954 6.255 ± 0.777
ea22 1342 1342/1342 1342 ± 0 5.529 5.162/6.145 5.537 ± 0.622
ea23 1342 1342/1342 1342 ± 0 5.577 5.371/6.339 5.786 ± 0.7447
ea24 1342 1342/1342 1342 ± 0 6.146 5.099/6.535 5.794 ± 0.7963
ea25 1342 1342/1342 1342 ± 0 6.43 5.552/6.844 6.259 ± 0.8866
ea27 1342 1342/1342 1342 ± 0.000001539 5.58 5.311/6.429 5.743 ± 0.6996
ea28 1342 1342/1342 1342 ± 0 6.285 5.717/7.039 6.25 ± 0.8058
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 ± 0.00002392 5.387 5.21/5.64 5.42 ± 0.2824
3 1342 1342/1342 1342 ± 0.00002617 4.044 3.687/4.565 4.133 ± 0.475
4 1342 1342/1342 1342 ± 0.00003042 4.609 4.369/4.773 4.586 ± 0.2871
5 1342 1342/1342 1342 ± 0.00002392 5.378 5.062/5.635 5.374 ± 0.3088
6 1342 1342/1342 1342 ± 0.00002392 5.284 5.041/5.487 5.243 ± 0.2454
7 1342 1342/1342 1342 ± 0.00002392 5.369 5.166/5.556 5.36 ± 0.2589
8 1342 1342/1342 1342 ± 0.00002392 5.35 5.115/5.519 5.343 ± 0.2968
9 1342 1342/1342 1342 ± 0.00002392 5.646 5.459/5.838 5.638 ± 0.288
10 1342 1342/1342 1342 ± 0.00002392 6.131 5.909/6.229 6.107 ± 0.2594
11 1342 1342/1342 1342 ± 0.00002392 6.368 6.048/6.486 6.334 ± 0.28
12 1342 1342/1342 1342 ± 0.00002392 6.504 6.307/6.65 6.5 ± 0.3207
13 1342 1342/1342 1342 ± 0.00002392 6.936 6.75/7.161 6.95 ± 0.3442
14 1342 1342/1342 1342 ± 0.00002392 6.877 6.549/7.25 6.91 ± 0.436
15 1342 1342/1342 1342 ± 0.00002392 6.75 6.459/7.021 6.726 ± 0.3326
16 1342 1342/1342 1342 ± 0.00003579 5.803 5.479/6.151 5.844 ± 0.4513
17 1342 1342/1342 1342 ± 0.00004139 5.69 5.493/6.061 5.764 ± 0.3843
datacolumn
residual_data
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-31 12:46:28.011
End
2025-07-31 13:53:40.613
Duration
1:07:12.602
Note, WebLog generation is not included in the time.

CASA logs for stage 8