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 5.773 5.619/6.49 5.928 ± 0.7045
ea02 1342 1342/1342 1342 ± 0 6.036 5.532/6.42 6.056 ± 0.7389
ea03 1342 1342/1342 1342 ± 0 6.04 5.372/6.657 5.968 ± 0.7079
ea04 1342 1342/1342 1342 ± 0 5.343 4.908/5.938 5.387 ± 0.594
ea05 1342 1342/1342 1342 ± 0.000006282 5.516 5.133/6.382 5.664 ± 0.7408
ea06 1342 1342/1342 1342 ± 0 5.668 5.032/5.97 5.577 ± 0.6429
ea07 1342 1342/1342 1342 ± 0 5.824 5.089/6.145 5.692 ± 0.7985
ea08 1342 1342/1342 1342 ± 0 5.974 5.391/6.466 5.956 ± 0.7279
ea09 1342 1342/1342 1342 ± 0 5.605 5.047/6.284 5.638 ± 0.6975
ea10 1342 1342/1342 1342 ± 0 5.297 5.14/6.018 5.487 ± 0.6013
ea11 1342 1342/1342 1342 ± 0.000023 5.455 4.949/6.304 5.524 ± 0.8304
ea12 1342 1342/1342 1342 ± 0 5.343 5.253/6.222 5.576 ± 0.594
ea14 1342 1342/1342 1342 ± 0.00000219 5.663 5.391/6.381 5.809 ± 0.6549
ea15 1342 1342/1342 1342 ± 0.000005534 5.971 5.5/6.61 6.04 ± 0.8041
ea16 1342 1342/1342 1342 ± 0 5.898 5.538/6.578 6.02 ± 0.6978
ea17 1342 1342/1342 1342 ± 0 6.014 5.602/6.899 6.127 ± 0.6882
ea18 1342 1342/1342 1342 ± 0 6.4 5.758/7.039 6.3 ± 0.7794
ea19 1342 1342/1342 1342 ± 0.00000219 5.636 5.302/6.578 5.829 ± 0.6979
ea20 1342 1342/1342 1342 ± 0 6.493 5.772/6.992 6.309 ± 0.7721
ea22 1342 1342/1342 1342 ± 0 5.568 5.153/6.119 5.572 ± 0.5938
ea23 1342 1342/1342 1342 ± 0.000007767 5.541 5.375/6.324 5.816 ± 0.7026
ea24 1342 1342/1342 1342 ± 0 6.069 5.009/6.465 5.732 ± 0.8034
ea25 1342 1342/1342 1342 ± 0 6.407 5.547/6.836 6.279 ± 0.8546
ea27 1342 1342/1342 1342 ± 0 5.582 5.205/6.394 5.745 ± 0.6637
ea28 1342 1342/1342 1342 ± 0 6.378 5.708/7.005 6.308 ± 0.7734
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 ± 0.00002394 5.431 5.242/5.637 5.454 ± 0.3048
3 1342 1342/1342 1342 ± 0.00002967 3.632 3.071/4.082 3.629 ± 0.5936
4 1342 1342/1342 1342 ± 0.00002805 4.605 4.399/4.763 4.584 ± 0.2893
5 1342 1342/1342 1342 ± 0.00002394 5.377 5.085/5.655 5.38 ± 0.3148
6 1342 1342/1342 1342 ± 0.00002394 5.167 5.007/5.408 5.182 ± 0.2677
7 1342 1342/1342 1342 ± 0.00002394 5.351 5.138/5.537 5.34 ± 0.2539
8 1342 1342/1342 1342 ± 0.00002394 5.326 5.094/5.519 5.315 ± 0.2999
9 1342 1342/1342 1342 ± 0.00002394 5.62 5.451/5.833 5.611 ± 0.2873
10 1342 1342/1342 1342 ± 0.00002394 6.096 5.922/6.2 6.076 ± 0.2482
11 1342 1342/1342 1342 ± 0.00002394 6.332 6.071/6.439 6.3 ± 0.2759
12 1342 1342/1342 1342 ± 0.00002394 6.44 6.285/6.614 6.473 ± 0.3133
13 1342 1342/1342 1342 ± 0.00002394 6.906 6.736/7.135 6.936 ± 0.3429
14 1342 1342/1342 1342 ± 0.00002394 6.919 6.575/7.284 6.935 ± 0.4309
15 1342 1342/1342 1342 ± 0.00002394 6.747 6.401/7.027 6.706 ± 0.3389
16 1342 1342/1342 1342 ± 0.00002512 5.962 5.496/6.17 5.899 ± 0.4724
17 1342 1342/1342 1342 ± 0.00002637 5.826 5.467/6.052 5.813 ± 0.4122
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
overwrite_modelcol
False
Start time
2025-07-31 08:53:27.759
End
2025-07-31 10:02:12.201
Duration
1:08:44.442
Note, WebLog generation is not included in the time.

CASA logs for stage 8