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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.113 5.815/6.681 6.176 ± 0.7989
ea03 1342 1342/1342 1342 ± 0.00001871 5.675 5.247/6.364 5.761 ± 0.6993
ea04 1342 1342/1342 1342 ± 0 5.596 5.26/6.068 5.742 ± 0.5039
ea05 1342 1342/1342 1342 ± 0 5.961 5.612/6.592 6.103 ± 0.6638
ea06 1342 1342/1342 1342 ± 0 6.024 5.621/6.401 6.074 ± 0.532
ea07 1342 1342/1342 1342 ± 0 5.928 5.43/6.117 5.919 ± 0.5192
ea08 1342 1342/1342 1342 ± 0.00001089 6.189 5.644/6.527 6.181 ± 0.6307
ea09 1342 1342/1342 1342 ± 0.00001204 5.961 5.486/6.647 6.08 ± 0.7122
ea10 1342 1342/1342 1342 ± 0 5.97 5.551/6.597 6.067 ± 0.5884
ea11 1342 1342/1342 1342 ± 0 6.131 5.453/6.585 6.106 ± 0.7044
ea12 1342 1342/1342 1342 ± 0.000001435 6.031 5.701/6.657 6.176 ± 0.7688
ea13 1342 1342/1342 1342 ± 0 6.01 5.888/6.357 6.127 ± 0.4724
ea14 1342 1342/1342 1342 ± 0 5.978 5.622/6.551 6.112 ± 0.6754
ea15 1342 1342/1342 1342 ± 0.00000146 5.497 5.124/5.906 5.555 ± 0.5936
ea16 1342 1342/1342 1342 ± 0 6.177 5.831/6.678 6.275 ± 0.6755
ea17 1342 1342/1342 1342 ± 0 6.55 6.282/7.326 6.783 ± 0.6342
ea18 1342 1342/1342 1342 ± 0 5.118 4.877/5.606 5.265 ± 0.4832
ea19 1342 1342/1342 1342 ± 0 6.3 5.937/6.898 6.45 ± 0.6399
ea20 1342 1342/1342 1342 ± 0 5.868 5.566/6.383 5.971 ± 0.6266
ea21 1342 1342/1342 1342 ± 0 5.63 5.461/6.238 5.861 ± 0.5185
ea22 1342 1342/1342 1342 ± 0.00001812 5.867 5.473/6.427 5.977 ± 0.6195
ea23 1342 1342/1342 1342 ± 0 6.226 5.819/6.561 6.288 ± 0.6856
ea24 1342 1342/1342 1342 ± 0 6.024 5.32/6.434 5.902 ± 0.565
ea25 1342 1342/1342 1342 ± 0 6.277 5.746/6.751 6.31 ± 0.7765
ea26 1342 1342/1342 1342 ± 0 6.345 5.908/6.984 6.482 ± 0.6435
ea27 1342 1342/1342 1342 ± 0 5.82 5.512/6.596 6.02 ± 0.6445
ea28 1342 1342/1342 1342 ± 0 6.034 5.699/6.65 6.2 ± 0.6484
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 ± 0.00002309 5.693 5.487/5.909 5.69 ± 0.2768
3 1342 1342/1342 1342 ± 0.00003324 5.11 4.845/5.241 5.05 ± 0.4518
4 1342 1342/1342 1342 ± 0.00002309 5.476 5.237/5.775 5.485 ± 0.3879
5 1342 1342/1342 1342 ± 0.00002309 5.656 5.379/5.848 5.638 ± 0.3386
6 1342 1342/1342 1342 ± 0.00002309 5.606 5.386/5.806 5.57 ± 0.2666
7 1342 1342/1342 1342 ± 0.00002309 5.599 5.4/5.773 5.588 ± 0.2763
8 1342 1342/1342 1342 ± 0.00002309 5.467 5.276/5.686 5.501 ± 0.312
9 1342 1342/1342 1342 ± 0.00002309 5.773 5.608/5.995 5.771 ± 0.3071
10 1342 1342/1342 1342 ± 0.00002309 6.258 6.044/6.405 6.165 ± 0.3143
11 1342 1342/1342 1342 ± 0.00002309 6.413 6.294/6.565 6.378 ± 0.3052
12 1342 1342/1342 1342 ± 0.00002309 6.587 6.343/6.688 6.531 ± 0.3643
13 1342 1342/1342 1342 ± 0.00002309 7 6.741/7.339 7.02 ± 0.3906
14 1342 1342/1342 1342 ± 0.00002309 7.268 7.035/7.489 7.232 ± 0.3958
15 1342 1342/1342 1342 ± 0.00002309 6.903 6.707/7.232 6.924 ± 0.3647
16 1342 1342/1342 1342 ± 0.00002309 6.279 5.953/6.588 6.285 ± 0.3799
17 1342 1342/1342 1342 ± 0.00002309 6.118 6.019/6.472 6.231 ± 0.3698
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
Start time
2025-05-14 06:46:15.607
End
2025-05-14 07:22:04.365
Duration
0:35:48.759
Note, WebLog generation is not included in the time.

CASA logs for stage 8