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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.592 5.211/6.263 5.539 ± 1.089
ea02 1342 1342/1342 1342 ± 0.00003645 5.725 5.311/6.478 5.624 ± 1.002
ea03 1342 1342/1342 1342 ± 0.000004343 5.472 5.346/6.793 5.83 ± 0.8622
ea04 1342 1342/1342 1342 ± 0.00004852 5.295 5.02/6.097 5.276 ± 0.8724
ea05 1342 1342/1342 1342 ± 0.0000511 5.465 5.092/6.469 5.477 ± 1.041
ea06 1342 1342/1342 1342 ± 0.00003059 5.281 4.851/6.051 5.314 ± 0.8491
ea07 1342 1342/1342 1342 ± 0.00004262 5.249 5.123/6.294 5.454 ± 1.008
ea08 1342 1342/1342 1342 ± 0.00001223 5.904 5.587/6.895 5.944 ± 1.061
ea09 1342 1342/1342 1342 ± 0.00004811 5.172 4.918/6.152 5.253 ± 0.9298
ea10 1342 1342/1342 1342 ± 0.00004964 5.123 4.699/5.936 5.072 ± 0.8586
ea11 1342 1342/1342 1342 ± 0.00005156 5.203 4.647/6.094 5.096 ± 1.025
ea13 1342 1342/1342 1342 ± 0.00003146 5.49 5.312/6.27 5.51 ± 0.7705
ea14 1342 1342/1342 1342 ± 0.00005031 5.48 5.276/6.553 5.574 ± 1.021
ea15 1342 1342/1342 1342 ± 0.00005033 5.552 5.224/6.564 5.564 ± 1.038
ea16 1342 1342/1342 1342 ± 0.00002754 5.956 5.434/6.698 5.899 ± 1.028
ea17 1342 1342/1342 1342 ± 0.00004441 5.712 5.403/6.648 5.756 ± 1.123
ea18 1342 1342/1342 1342 ± 0.00001145 5.903 5.707/6.956 6.05 ± 1.018
ea19 1342 1342/1342 1342 ± 0.00004333 5.521 5.315/6.439 5.546 ± 0.9691
ea20 1342 1342/1342 1342 ± 0.00004412 5.466 5.261/6.28 5.525 ± 0.898
ea21 1342 1342/1342 1342 ± 0.000007282 5.099 4.88/5.82 5.263 ± 0.6735
ea22 1342 1342/1342 1342 ± 0.00002553 5.867 5.346/6.65 5.78 ± 1.033
ea23 1342 1342/1342 1342 ± 0.00004994 5.578 5.13/6.284 5.497 ± 0.9987
ea24 1342 1342/1342 1342 ± 0.00002002 5.2 4.972/6.054 5.445 ± 0.7761
ea25 1342 1342/1342 1342 ± 0.00001611 5.806 5.462/6.978 6.161 ± 1.028
ea27 1342 1342/1342 1342 ± 0.00002276 5.446 5.12/6.496 5.513 ± 0.9584
ea28 1342 1342/1342 1342 ± 0.000003465 5.773 5.6/6.783 5.871 ± 0.9089
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 ± 0.00002349 5.369 5.133/5.471 5.298 ± 0.2608
5 1342 1342/1342 1342 ± 0.0000292 5.223 5.055/5.554 5.328 ± 0.3731
6 1342 1342/1342 1342 ± 0.00002349 5.368 5.145/5.574 5.342 ± 0.2814
7 1342 1342/1342 1342 ± 0.00002349 5.37 5.178/5.566 5.335 ± 0.2593
8 1342 1342/1342 1342 ± 0.00002349 5.348 5.147/5.477 5.326 ± 0.2722
9 1342 1342/1342 1342 ± 0.00002349 5.591 5.385/5.831 5.61 ± 0.3117
10 1342 1342/1342 1342 ± 0.00002394 6.202 5.922/6.276 6.132 ± 0.2998
11 1342 1342/1342 1342 ± 0.00002349 6.473 6.262/6.616 6.428 ± 0.2812
12 1342 1342/1342 1342 ± 0.00002349 6.603 6.387/6.806 6.592 ± 0.3298
13 1342 1342/1342 1342 ± 0.00002422 6.765 6.453/7.053 6.777 ± 0.4168
14 1342 1342/1342 1342 ± 0.00005759 5.337 5.006/5.94 5.564 ± 0.7885
15 1342 1342/1342 1342 ± 0.00002349 6.836 6.352/7.155 6.755 ± 0.474
16 1342 1342/1342 1342 ± 0.00005915 3.709 3.536/4.023 3.816 ± 0.4195
17 1342 1342/1342 1342 ± 0.00005956 3.647 3.429/3.965 3.707 ± 0.3944
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
Start time
2025-07-19 07:11:00.934
End
2025-07-19 07:58:57.467
Duration
0:47:56.533
Note, WebLog generation is not included in the time.

CASA logs for stage 8