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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.4 5/6.131 5.363 ± 1.003
ea02 1342 1342/1342 1342 ± 0.0000238 5.622 5.205/6.331 5.528 ± 0.9715
ea03 1342 1342/1342 1342 ± 0.000002665 5.245 5.147/6.65 5.699 ± 0.8517
ea04 1342 1342/1342 1342 ± 0.00004904 5.033 4.726/5.965 5.099 ± 0.8172
ea05 1342 1342/1342 1342 ± 0.00005248 5.214 4.966/6.318 5.281 ± 1.011
ea06 1342 1342/1342 1342 ± 0.0000253 4.878 4.7/5.897 5.237 ± 0.7564
ea07 1342 1342/1342 1342 ± 0.00002822 5.119 4.886/6.206 5.333 ± 1.013
ea08 1342 1342/1342 1342 ± 0.000002665 5.715 5.377/6.699 5.871 ± 0.9514
ea09 1342 1342/1342 1342 ± 0.00004872 4.898 4.625/5.872 5.003 ± 0.8004
ea10 1342 1342/1342 1342 ± 0.00004951 4.904 4.532/5.977 4.991 ± 0.8996
ea11 1342 1342/1342 1342 ± 0.00005055 5.149 4.387/6.128 5.103 ± 0.9589
ea12 1342 1342/1342 1342 ± 0.00004902 5.066 4.747/5.856 5.069 ± 0.8588
ea14 1342 1342/1342 1342 ± 0.00005234 5.38 5.04/6.362 5.409 ± 0.9275
ea15 1342 1342/1342 1342 ± 0.00005283 5.366 4.908/6.505 5.438 ± 1.039
ea16 1342 1342/1342 1342 ± 0.00002353 5.66 4.797/6.566 5.623 ± 1.016
ea17 1342 1342/1342 1342 ± 0.00004541 5.521 5.107/6.434 5.549 ± 1.026
ea18 1342 1342/1342 1342 ± 0.000004979 5.667 5.356/6.724 5.786 ± 1.017
ea19 1342 1342/1342 1342 ± 0.00004638 5.131 4.953/6.239 5.324 ± 0.9215
ea20 1342 1342/1342 1342 ± 0.00004524 5.74 5.399/6.649 5.748 ± 0.9844
ea21 1342 1342/1342 1342 ± 0 5.056 4.875/5.879 5.274 ± 0.6988
ea22 1342 1342/1342 1342 ± 0.00001549 5.545 4.993/6.351 5.501 ± 0.979
ea23 1342 1342/1342 1342 ± 0.00005052 5.434 4.973/6.24 5.395 ± 0.9369
ea24 1342 1342/1342 1342 ± 0.000005543 5.144 4.954/6.155 5.491 ± 0.743
ea25 1342 1342/1342 1342 ± 0.00001149 5.487 5.313/6.853 5.967 ± 1.022
ea27 1342 1342/1342 1342 ± 0.00002401 5.154 4.906/6.289 5.35 ± 0.8506
ea28 1342 1342/1342 1342 ± 0.00001866 5.544 5.363/6.663 5.771 ± 0.877
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 5.036 4.9/5.197 5.042 ± 0.2646
4 1342 1342/1342 1342 ± 0.00006004 3.562 3.44/3.764 3.589 ± 0.2212
5 1342 1342/1342 1342 ± 0.00002375 5.078 4.88/5.387 5.123 ± 0.3477
6 1342 1342/1342 1342 ± 0.00002348 5.104 4.885/5.381 5.125 ± 0.275
7 1342 1342/1342 1342 ± 0.00002348 5.206 4.981/5.387 5.167 ± 0.2593
8 1342 1342/1342 1342 ± 0.00002348 5.172 4.978/5.433 5.18 ± 0.2876
9 1342 1342/1342 1342 ± 0.00002348 5.465 5.272/5.715 5.489 ± 0.3073
10 1342 1342/1342 1342 ± 0.00002348 6.038 5.838/6.167 6.017 ± 0.2746
11 1342 1342/1342 1342 ± 0.00002348 6.326 6.134/6.438 6.298 ± 0.275
12 1342 1342/1342 1342 ± 0.00002348 6.48 6.193/6.653 6.455 ± 0.3124
13 1342 1342/1342 1342 ± 0.00002348 6.713 6.366/7.093 6.734 ± 0.3847
14 1342 1342/1342 1342 ± 0.00004956 5.808 5.449/6.3 5.936 ± 0.6681
15 1342 1342/1342 1342 ± 0.00002348 6.667 6.257/6.937 6.603 ± 0.3689
16 1342 1342/1342 1342 ± 0.0000609 3.982 3.802/4.456 4.154 ± 0.4726
17 1342 1342/1342 1342 ± 0.000061 4.149 3.898/4.463 4.197 ± 0.384
statwtmode
VLASS-SE
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-08-07 03:45:53.511
End
2025-08-07 04:19:25.623
Duration
0:33:32.112
Note, WebLog generation is not included in the time.

CASA logs for stage 8