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 5.743 5.657/6.628 5.963 ± 0.724
ea02 1342 1342/1342 1342 ± 0 6.07 5.592/6.493 6.081 ± 0.7651
ea03 1342 1342/1342 1342 ± 0 6.113 5.445/6.758 6.045 ± 0.7523
ea04 1342 1342/1342 1342 ± 0.0000223 5.335 5.027/6.042 5.443 ± 0.6223
ea05 1342 1342/1342 1342 ± 0.00001819 5.615 5.293/6.454 5.786 ± 0.7367
ea06 1342 1342/1342 1342 ± 0 5.691 5.141/6.118 5.691 ± 0.6731
ea07 1342 1342/1342 1342 ± 0 5.78 5.11/6.203 5.708 ± 0.806
ea08 1342 1342/1342 1342 ± 0 6.024 5.473/6.66 6.06 ± 0.7539
ea09 1342 1342/1342 1342 ± 0 5.623 5.173/6.325 5.674 ± 0.6573
ea10 1342 1342/1342 1342 ± 0 5.381 5.216/6.21 5.622 ± 0.611
ea11 1342 1342/1342 1342 ± 0.00004366 5.571 5.059/6.433 5.623 ± 0.8433
ea12 1342 1342/1342 1342 ± 0.00003666 5.475 5.293/6.315 5.654 ± 0.6738
ea14 1342 1342/1342 1342 ± 0.000003746 5.761 5.545/6.539 5.968 ± 0.6523
ea15 1342 1342/1342 1342 ± 0.00003252 5.816 5.632/6.761 6.038 ± 0.8284
ea16 1342 1342/1342 1342 ± 0.000005365 6.05 5.716/6.761 6.186 ± 0.7216
ea17 1342 1342/1342 1342 ± 0 6.058 5.684/7.104 6.229 ± 0.7331
ea18 1342 1342/1342 1342 ± 0 6.445 5.856/7.062 6.384 ± 0.7849
ea19 1342 1342/1342 1342 ± 0.00002102 5.641 5.421/6.718 5.893 ± 0.749
ea20 1342 1342/1342 1342 ± 0 6.259 5.937/7.041 6.384 ± 0.779
ea22 1342 1342/1342 1342 ± 0 5.651 5.274/6.323 5.684 ± 0.6253
ea23 1342 1342/1342 1342 ± 0 5.705 5.468/6.438 5.929 ± 0.7175
ea24 1342 1342/1342 1342 ± 0 6.207 5.283/6.587 5.93 ± 0.7756
ea25 1342 1342/1342 1342 ± 0 6.531 5.641/6.966 6.353 ± 0.8979
ea27 1342 1342/1342 1342 ± 0.000001767 5.659 5.457/6.541 5.847 ± 0.7104
ea28 1342 1342/1342 1342 ± 0 6.314 5.823/7.141 6.345 ± 0.81
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 5.472 5.309/5.699 5.518 ± 0.2797
3 1342 1342/1342 1342 ± 0.00002676 4.08 3.823/4.488 4.179 ± 0.4503
4 1342 1342/1342 1342 ± 0.0000344 4.708 4.461/4.865 4.69 ± 0.2945
5 1342 1342/1342 1342 ± 0.00002392 5.461 5.244/5.759 5.479 ± 0.3062
6 1342 1342/1342 1342 ± 0.00002392 5.447 5.217/5.623 5.406 ± 0.2495
7 1342 1342/1342 1342 ± 0.00002392 5.467 5.28/5.645 5.464 ± 0.2571
8 1342 1342/1342 1342 ± 0.00002392 5.457 5.225/5.64 5.447 ± 0.2972
9 1342 1342/1342 1342 ± 0.00002392 5.739 5.555/5.935 5.742 ± 0.2876
10 1342 1342/1342 1342 ± 0.00002392 6.246 6.048/6.345 6.22 ± 0.2644
11 1342 1342/1342 1342 ± 0.00002392 6.495 6.172/6.615 6.456 ± 0.285
12 1342 1342/1342 1342 ± 0.00002392 6.621 6.421/6.762 6.62 ± 0.3265
13 1342 1342/1342 1342 ± 0.00002392 7.061 6.862/7.335 7.081 ± 0.3526
14 1342 1342/1342 1342 ± 0.00002394 6.996 6.686/7.35 7.021 ± 0.4436
15 1342 1342/1342 1342 ± 0.00002392 6.863 6.569/7.104 6.835 ± 0.3287
16 1342 1342/1342 1342 ± 0.00004164 5.722 5.5/6.136 5.834 ± 0.4514
17 1342 1342/1342 1342 ± 0.00004458 5.741 5.575/6.148 5.835 ± 0.3738
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-07-31 02:26:18.637
End
2025-07-31 03:12:42.975
Duration
0:46:24.338
Note, WebLog generation is not included in the time.

CASA logs for stage 8