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 6.123 5.245/6.671 5.994 ± 0.8237
ea02 1342 1342/1342 1342 ± 0 6.238 5.625/6.485 6.178 ± 0.658
ea03 1342 1342/1342 1342 ± 0 6.212 5.227/6.641 6.029 ± 0.7559
ea04 1342 1342/1342 1342 ± 0.00001279 5.766 5.239/6.161 5.704 ± 0.5752
ea05 1342 1342/1342 1342 ± 0 5.962 5.352/6.615 6.004 ± 0.6327
ea06 1342 1342/1342 1342 ± 0 5.903 4.947/6.144 5.745 ± 0.6942
ea07 1342 1342/1342 1342 ± 0 6.127 5.056/6.297 5.897 ± 0.7439
ea08 1342 1342/1342 1342 ± 0 6.54 5.574/6.809 6.277 ± 0.797
ea09 1342 1342/1342 1342 ± 0 5.661 5.079/6.359 5.787 ± 0.7016
ea10 1342 1342/1342 1342 ± 0 5.498 4.967/6.02 5.495 ± 0.6471
ea11 1342 1342/1342 1342 ± 0.000001608 5.374 4.927/6.123 5.533 ± 0.6938
ea12 1342 1342/1342 1342 ± 0.0000189 5.604 5.137/6.176 5.702 ± 0.617
ea13 1342 1342/1342 1342 ± 0 6.259 5.525/6.36 6.049 ± 0.5632
ea14 1342 1342/1342 1342 ± 0 6.032 5.557/6.566 6.064 ± 0.6235
ea15 1342 1342/1342 1342 ± 0 6.476 5.661/6.857 6.378 ± 0.7304
ea16 1342 1342/1342 1342 ± 0 6.304 5.634/6.68 6.193 ± 0.7752
ea17 1342 1342/1342 1342 ± 0 6.197 5.515/7.031 6.223 ± 0.7559
ea18 1342 1342/1342 1342 ± 0 6.3 5.735/7.149 6.449 ± 0.7558
ea19 1342 1342/1342 1342 ± 0 5.979 4.83/6.618 5.797 ± 0.8869
ea20 1342 1342/1342 1342 ± 0 6.482 6.315/6.786 6.607 ± 0.4005
ea21 1342 1342/1342 1342 ± 0 5.609 5.011/5.922 5.55 ± 0.54
ea22 1342 1342/1342 1342 ± 0 6.413 5.517/6.632 6.149 ± 0.7721
ea23 1342 1342/1342 1342 ± 0 5.974 5.251/6.279 5.94 ± 0.7412
ea24 1342 1342/1342 1342 ± 0 6.127 5.059/6.471 5.78 ± 0.7743
ea25 1342 1342/1342 1342 ± 0 6.597 5.347/6.949 6.347 ± 0.904
ea27 1342 1342/1342 1342 ± 0 5.939 5.153/6.488 5.832 ± 0.7379
ea28 1342 1342/1342 1342 ± 0 6.403 5.527/6.889 6.295 ± 0.7377
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 5.02 4.87/5.304 5.059 ± 0.3151
4 1342 1342/1342 1342 ± 0.00003045 4.955 4.635/5.182 4.928 ± 0.3683
5 1342 1342/1342 1342 ± 0.00002351 5.233 4.994/5.535 5.246 ± 0.3065
6 1342 1342/1342 1342 ± 0.00002348 5.214 5.049/5.567 5.252 ± 0.2963
7 1342 1342/1342 1342 ± 0.00002348 5.294 5.026/5.433 5.248 ± 0.2471
8 1342 1342/1342 1342 ± 0.00002348 5.149 5.007/5.447 5.188 ± 0.2877
9 1342 1342/1342 1342 ± 0.00002348 5.492 5.278/5.738 5.504 ± 0.2737
10 1342 1342/1342 1342 ± 0.00002348 6.151 6.066/6.307 6.146 ± 0.2557
11 1342 1342/1342 1342 ± 0.00002306 6.351 6.139/6.541 6.346 ± 0.2664
12 1342 1342/1342 1342 ± 0.00002306 6.497 6.252/6.66 6.494 ± 0.3087
13 1342 1342/1342 1342 ± 0.00002306 6.984 6.604/7.148 6.919 ± 0.3354
14 1342 1342/1342 1342 ± 0.00002306 7.188 6.866/7.375 7.145 ± 0.3371
15 1342 1342/1342 1342 ± 0.00002306 6.812 6.616/7.185 6.843 ± 0.3626
16 1342 1342/1342 1342 ± 0.000025 6.29 5.922/6.482 6.217 ± 0.4069
17 1342 1342/1342 1342 ± 0.00002475 6.255 5.987/6.472 6.192 ± 0.4021
vis
VLASS3.2.sb45651824.eb45865366.60434.814344212966_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-24 21:43:35.594
End
2025-07-24 23:01:14.218
Duration
1:17:38.624
Note, WebLog generation is not included in the time.

CASA logs for stage 8