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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.532 5.223/6.196 5.537 ± 0.8705
ea02 1342 1342/1342 1342 ± 0.00002601 5.614 5.247/6.33 5.574 ± 0.8748
ea03 1342 1342/1342 1342 ± 0.000001431 5.332 5.17/6.066 5.56 ± 0.644
ea04 1342 1342/1342 1342 ± 0.00004569 5.187 4.64/6.044 5.2 ± 0.7784
ea05 1342 1342/1342 1342 ± 0.00004761 5.308 4.833/6.229 5.359 ± 0.8799
ea06 1342 1342/1342 1342 ± 0.00001517 4.984 4.807/5.942 5.171 ± 0.713
ea07 1342 1342/1342 1342 ± 0.00003644 5.233 4.944/6.151 5.378 ± 0.857
ea08 1342 1342/1342 1342 ± 0.000003783 5.687 5.464/6.685 5.77 ± 0.9826
ea09 1342 1342/1342 1342 ± 0.00004156 5.09 4.797/5.693 5.149 ± 0.7023
ea10 1342 1342/1342 1342 ± 0.00004212 4.726 4.464/4.979 4.581 ± 0.5524
ea11 1342 1342/1342 1342 ± 0.00005044 5.534 4.739/6.378 5.395 ± 0.9967
ea12 1342 1342/1342 1342 ± 0.00004377 5.135 4.633/5.84 5.118 ± 0.794
ea14 1342 1342/1342 1342 ± 0.00004508 5.363 5.113/6.363 5.457 ± 0.8522
ea15 1342 1342/1342 1342 ± 0.00004742 5.432 5.056/6.449 5.52 ± 0.8949
ea16 1342 1342/1342 1342 ± 0.00001248 5.671 5.286/6.402 5.677 ± 0.8317
ea17 1342 1342/1342 1342 ± 0.00003822 5.686 5.199/6.533 5.731 ± 0.9612
ea18 1342 1342/1342 1342 ± 0.000006925 5.722 5.53/6.71 5.818 ± 0.9583
ea19 1342 1342/1342 1342 ± 0.00003073 5.362 4.845/6.237 5.371 ± 0.8701
ea20 1342 1342/1342 1342 ± 0.00001454 5.845 5.636/6.579 6.008 ± 0.7204
ea21 1342 1342/1342 1342 ± 0.000002478 5.085 4.922/5.675 5.199 ± 0.5621
ea22 1342 1342/1342 1342 ± 0.0000114 5.533 5.118/6.33 5.514 ± 0.8829
ea23 1342 1342/1342 1342 ± 0.00004278 5.571 4.998/6.341 5.516 ± 0.9012
ea24 1342 1342/1342 1342 ± 0 5.313 5.093/6.345 5.624 ± 0.6401
ea25 1342 1342/1342 1342 ± 0.000005154 5.722 5.321/6.612 5.932 ± 0.7581
ea27 1342 1342/1342 1342 ± 0.00001028 5.157 4.834/6.082 5.254 ± 0.7938
ea28 1342 1342/1342 1342 ± 0 5.848 5.649/6.641 6.058 ± 0.6696
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 ± 0.00002356 5.333 5.09/5.466 5.303 ± 0.2656
5 1342 1342/1342 1342 ± 0.00002752 5.073 4.777/5.563 5.116 ± 0.3961
6 1342 1342/1342 1342 ± 0.00002356 5.2 4.975/5.434 5.204 ± 0.2646
7 1342 1342/1342 1342 ± 0.00002356 5.257 5.119/5.47 5.26 ± 0.2665
8 1342 1342/1342 1342 ± 0.00002356 5.255 5.048/5.483 5.261 ± 0.3226
9 1342 1342/1342 1342 ± 0.00002356 5.531 5.324/5.814 5.526 ± 0.3307
10 1342 1342/1342 1342 ± 0.00002356 6.058 5.836/6.187 6.003 ± 0.3281
11 1342 1342/1342 1342 ± 0.00002356 6.336 6.151/6.529 6.283 ± 0.3486
12 1342 1342/1342 1342 ± 0.00002356 6.492 6.196/6.637 6.43 ± 0.4237
13 1342 1342/1342 1342 ± 0.00002356 6.657 6.35/6.897 6.594 ± 0.5436
14 1342 1342/1342 1342 ± 0.00004543 5.104 4.729/5.582 5.268 ± 0.6856
15 1342 1342/1342 1342 ± 0.00002356 6.397 6.111/6.733 6.359 ± 0.4836
16 1342 1342/1342 1342 ± 0.00006094 3.968 3.826/4.267 4.128 ± 0.4853
17 1342 1342/1342 1342 ± 0.00006092 3.877 3.729/4.1 4.001 ± 0.4313
overwrite_modelcol
False
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-07-26 15:06:47.107
End
2025-07-26 15:46:30.305
Duration
0:39:43.198
Note, WebLog generation is not included in the time.

CASA logs for stage 8