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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.34 5.884/6.934 6.405 ± 0.7944
ea03 1342 1342/1342 1342 ± 0 5.714 5.137/6.581 5.777 ± 0.8813
ea04 1342 1342/1342 1342 ± 0 5.774 5.29/6.478 5.871 ± 0.8138
ea05 1342 1342/1342 1342 ± 0 6.298 5.697/7.06 6.283 ± 0.9002
ea06 1342 1342/1342 1342 ± 0 6.167 5.677/6.638 6.162 ± 0.76
ea07 1342 1342/1342 1342 ± 0 6.297 5.464/6.495 6.111 ± 0.7398
ea08 1342 1342/1342 1342 ± 0 6.226 5.529/6.876 6.196 ± 0.842
ea09 1342 1342/1342 1342 ± 0 6.131 5.567/6.852 6.199 ± 0.9086
ea10 1342 1342/1342 1342 ± 0 6.295 5.685/7.106 6.298 ± 0.9152
ea11 1342 1342/1342 1342 ± 0 6.417 5.459/6.842 6.168 ± 0.9143
ea12 1342 1342/1342 1342 ± 0 6.553 5.748/6.957 6.394 ± 0.9119
ea13 1342 1342/1342 1342 ± 0 5.863 5.784/6.428 6.102 ± 0.512
ea14 1342 1342/1342 1342 ± 0 6.363 5.739/7.021 6.373 ± 0.906
ea15 1342 1342/1342 1342 ± 0 5.878 5.425/6.474 5.939 ± 0.7627
ea16 1342 1342/1342 1342 ± 0 6.546 5.907/7.058 6.517 ± 0.8484
ea17 1342 1342/1342 1342 ± 0 6.823 6.318/7.852 6.982 ± 0.8509
ea18 1342 1342/1342 1342 ± 0 5.282 4.833/5.668 5.323 ± 0.5085
ea19 1342 1342/1342 1342 ± 0 6.762 5.909/7.292 6.564 ± 0.8418
ea20 1342 1342/1342 1342 ± 0 5.946 5.608/6.731 6.121 ± 0.8304
ea21 1342 1342/1342 1342 ± 0 5.501 5.19/6.094 5.624 ± 0.5857
ea22 1342 1342/1342 1342 ± 0.000008761 6.415 5.465/6.79 6.142 ± 0.8149
ea23 1342 1342/1342 1342 ± 0 6.4 5.839/6.904 6.46 ± 0.7564
ea24 1342 1342/1342 1342 ± 0 6.197 5.369/6.637 5.967 ± 0.7206
ea25 1342 1342/1342 1342 ± 0 6.748 5.798/7.19 6.515 ± 0.9462
ea26 1342 1342/1342 1342 ± 0 6.738 6.057/7.541 6.613 ± 1.059
ea27 1342 1342/1342 1342 ± 0 6.138 5.639/7.018 6.196 ± 0.8637
ea28 1342 1342/1342 1342 ± 0 6.276 5.882/7.093 6.441 ± 0.8361
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 ± 0.00002307 5.691 5.409/5.862 5.637 ± 0.3319
3 1342 1342/1342 1342 ± 0.00002465 5.318 5.059/5.436 5.287 ± 0.3389
4 1342 1342/1342 1342 ± 0.00002718 4.349 4.172/4.449 4.385 ± 0.2894
5 1342 1342/1342 1342 ± 0.00002307 5.758 5.366/5.862 5.647 ± 0.3486
6 1342 1342/1342 1342 ± 0.00002307 5.648 5.45/5.857 5.605 ± 0.3079
7 1342 1342/1342 1342 ± 0.00002307 5.703 5.473/5.857 5.659 ± 0.3116
8 1342 1342/1342 1342 ± 0.00002307 5.563 5.338/5.824 5.585 ± 0.3442
9 1342 1342/1342 1342 ± 0.00002307 5.92 5.653/6.145 5.887 ± 0.3393
10 1342 1342/1342 1342 ± 0.00002307 6.571 6.3/6.679 6.462 ± 0.3435
11 1342 1342/1342 1342 ± 0.00002307 6.776 6.531/6.958 6.703 ± 0.3609
12 1342 1342/1342 1342 ± 0.00002307 6.908 6.623/7.064 6.838 ± 0.434
13 1342 1342/1342 1342 ± 0.00002307 7.398 7.119/7.778 7.389 ± 0.4696
14 1342 1342/1342 1342 ± 0.00002307 7.635 7.211/7.899 7.588 ± 0.4709
15 1342 1342/1342 1342 ± 0.00002307 7.188 6.855/7.48 7.174 ± 0.4373
16 1342 1342/1342 1342 ± 0.00002307 6.432 6.282/6.93 6.518 ± 0.4406
17 1342 1342/1342 1342 ± 0.00002307 6.484 6.255/6.814 6.467 ± 0.44
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
datacolumn
residual_data
Start time
2025-06-11 06:26:16.518
End
2025-06-11 07:32:45.159
Duration
1:06:28.641
Note, WebLog generation is not included in the time.

CASA logs for stage 8