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

Statwt Summary Plot

VLASS3.2.sb45651824.eb45865366.60434.814344212966_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 6.063 4.957/6.426 5.779 ± 0.8308
ea02 1342 1342/1342 1342 ± 0 6.01 5.339/6.356 6.011 ± 0.6775
ea03 1342 1342/1342 1342 ± 0 6.028 5.055/6.571 5.861 ± 0.8267
ea04 1342 1342/1342 1342 ± 0 5.661 5.132/6.063 5.624 ± 0.5681
ea05 1342 1342/1342 1342 ± 0.000001652 5.666 5.199/6.541 5.827 ± 0.7036
ea06 1342 1342/1342 1342 ± 0 5.846 4.835/6.003 5.562 ± 0.7165
ea07 1342 1342/1342 1342 ± 0 6.097 4.954/6.269 5.82 ± 0.7721
ea08 1342 1342/1342 1342 ± 0 6.41 5.277/6.707 6.097 ± 0.8521
ea09 1342 1342/1342 1342 ± 0 5.648 4.916/6.35 5.644 ± 0.7221
ea10 1342 1342/1342 1342 ± 0 5.507 4.677/5.954 5.4 ± 0.6505
ea11 1342 1342/1342 1342 ± 0.000007906 5.306 4.663/6.156 5.427 ± 0.7614
ea12 1342 1342/1342 1342 ± 0 5.649 5.017/6.219 5.629 ± 0.6712
ea13 1342 1342/1342 1342 ± 0 5.944 5.303/6.305 5.862 ± 0.596
ea14 1342 1342/1342 1342 ± 0.000002336 5.842 5.305/6.433 5.871 ± 0.6289
ea15 1342 1342/1342 1342 ± 0.000003419 6.307 5.55/6.612 6.226 ± 0.7154
ea16 1342 1342/1342 1342 ± 0 6.12 5.345/6.646 6.018 ± 0.8351
ea17 1342 1342/1342 1342 ± 0 6.151 5.444/6.965 6.152 ± 0.7808
ea18 1342 1342/1342 1342 ± 0 6.192 5.46/6.982 6.245 ± 0.7838
ea19 1342 1342/1342 1342 ± 0 5.941 4.796/6.447 5.627 ± 0.893
ea20 1342 1342/1342 1342 ± 0 6.211 6.159/6.668 6.318 ± 0.5209
ea21 1342 1342/1342 1342 ± 0 5.534 4.93/5.905 5.448 ± 0.596
ea22 1342 1342/1342 1342 ± 0 6.386 5.159/6.604 6.02 ± 0.8085
ea23 1342 1342/1342 1342 ± 0 5.725 5.193/6.313 5.833 ± 0.7699
ea24 1342 1342/1342 1342 ± 0 6.01 4.842/6.372 5.609 ± 0.812
ea25 1342 1342/1342 1342 ± 0 6.527 5.199/6.844 6.174 ± 0.9438
ea27 1342 1342/1342 1342 ± 0 5.751 4.934/6.442 5.693 ± 0.7544
ea28 1342 1342/1342 1342 ± 0 6.294 5.362/6.834 6.127 ± 0.7697
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 ± 0.00002348 4.897 4.727/5.155 4.939 ± 0.3055
4 1342 1342/1342 1342 ± 0.00002489 4.801 4.552/5.078 4.836 ± 0.3334
5 1342 1342/1342 1342 ± 0.00002326 5.154 4.962/5.408 5.171 ± 0.2757
6 1342 1342/1342 1342 ± 0.00002348 5.031 4.911/5.337 5.086 ± 0.2755
7 1342 1342/1342 1342 ± 0.00002348 5.159 4.927/5.274 5.144 ± 0.2318
8 1342 1342/1342 1342 ± 0.00002348 5.059 4.954/5.281 5.103 ± 0.272
9 1342 1342/1342 1342 ± 0.00002326 5.413 5.189/5.613 5.412 ± 0.2567
10 1342 1342/1342 1342 ± 0.00002348 6.089 5.953/6.208 6.076 ± 0.24
11 1342 1342/1342 1342 ± 0.00002305 6.33 6.066/6.435 6.281 ± 0.2412
12 1342 1342/1342 1342 ± 0.00002305 6.425 6.226/6.619 6.428 ± 0.2883
13 1342 1342/1342 1342 ± 0.00002305 6.852 6.585/7.055 6.847 ± 0.3251
14 1342 1342/1342 1342 ± 0.00002305 7.072 6.812/7.308 7.053 ± 0.3349
15 1342 1342/1342 1342 ± 0.00002305 6.725 6.501/7.075 6.746 ± 0.3493
16 1342 1342/1342 1342 ± 0.00002327 6.071 5.822/6.426 6.123 ± 0.401
17 1342 1342/1342 1342 ± 0.00002374 6.068 5.893/6.385 6.093 ± 0.3515
datacolumn
residual_data
vis
VLASS3.2.sb45651824.eb45865366.60434.814344212966_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-08-11 18:09:33.259
End
2025-08-11 18:37:14.227
Duration
0:27:40.969
Note, WebLog generation is not included in the time.

CASA logs for stage 8