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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.484 5.201/5.935 5.567 ± 0.4771
ea02 1342 1342/1342 1342 ± 0 6.319 5.631/6.462 6.243 ± 0.5982
ea03 1342 1342/1342 1342 ± 0 6.342 5.466/6.743 6.239 ± 0.7048
ea04 1342 1342/1342 1342 ± 0.00002961 5.648 5.246/6.078 5.709 ± 0.5239
ea05 1342 1342/1342 1342 ± 0.00002634 5.686 5.427/6.593 5.938 ± 0.6398
ea06 1342 1342/1342 1342 ± 0 6.041 5.137/6.246 5.79 ± 0.6205
ea07 1342 1342/1342 1342 ± 0 6.108 5.252/6.327 5.952 ± 0.703
ea08 1342 1342/1342 1342 ± 0 6.553 5.679/6.861 6.412 ± 0.6554
ea09 1342 1342/1342 1342 ± 0.000007838 5.653 5.205/6.455 5.756 ± 0.6633
ea10 1342 1342/1342 1342 ± 0 5.498 5.157/6.057 5.581 ± 0.5478
ea11 1342 1342/1342 1342 ± 0.00004103 5.358 5.101/6.231 5.622 ± 0.6404
ea12 1342 1342/1342 1342 ± 0.00001953 5.523 5.325/6.303 5.812 ± 0.5712
ea13 1342 1342/1342 1342 ± 0 5.976 5.64/6.497 6.078 ± 0.6678
ea14 1342 1342/1342 1342 ± 0.000001778 5.919 5.635/6.59 6.148 ± 0.5706
ea15 1342 1342/1342 1342 ± 0.00003462 5.964 5.644/6.716 6.206 ± 0.6946
ea17 1342 1342/1342 1342 ± 0 6.237 5.798/7.056 6.356 ± 0.6696
ea18 1342 1342/1342 1342 ± 0 6.506 5.88/7.13 6.47 ± 0.6817
ea19 1342 1342/1342 1342 ± 0 5.985 5.406/6.492 5.973 ± 0.595
ea20 1342 1342/1342 1342 ± 0 5.729 5.509/6.599 5.983 ± 0.6288
ea21 1342 1342/1342 1342 ± 0 5.465 5.075/5.888 5.539 ± 0.4987
ea22 1342 1342/1342 1342 ± 0 6.484 5.93/6.955 6.422 ± 0.6698
ea23 1342 1342/1342 1342 ± 0 5.867 5.495/6.417 6.036 ± 0.6408
ea24 1342 1342/1342 1342 ± 0 6.119 5.223/6.587 5.929 ± 0.7322
ea25 1342 1342/1342 1342 ± 0 6.501 5.707/7.017 6.521 ± 0.7967
ea28 1342 1342/1342 1342 ± 0 6.099 5.712/7.005 6.319 ± 0.6584
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 ± 0.00002392 5.479 5.176/5.698 5.467 ± 0.2933
4 1342 1342/1342 1342 ± 0.00002687 5.179 4.976/5.391 5.194 ± 0.3266
5 1342 1342/1342 1342 ± 0.00002392 5.407 5.211/5.666 5.451 ± 0.2961
6 1342 1342/1342 1342 ± 0.00002392 5.396 5.204/5.644 5.398 ± 0.2887
7 1342 1342/1342 1342 ± 0.00002392 5.499 5.257/5.688 5.465 ± 0.2575
8 1342 1342/1342 1342 ± 0.00002392 5.428 5.219/5.627 5.405 ± 0.28
9 1342 1342/1342 1342 ± 0.00002392 5.685 5.55/5.929 5.713 ± 0.3027
10 1342 1342/1342 1342 ± 0.00002392 6.243 6.023/6.382 6.172 ± 0.2858
11 1342 1342/1342 1342 ± 0.00002392 6.395 6.2/6.596 6.38 ± 0.314
12 1342 1342/1342 1342 ± 0.00002392 6.498 6.3/6.746 6.518 ± 0.3466
13 1342 1342/1342 1342 ± 0.00002392 7.043 6.697/7.246 6.976 ± 0.3689
14 1342 1342/1342 1342 ± 0.00002392 7.146 6.893/7.428 7.126 ± 0.3964
15 1342 1342/1342 1342 ± 0.00002392 6.924 6.588/7.171 6.84 ± 0.3843
16 1342 1342/1342 1342 ± 0.00003665 5.987 5.675/6.426 6.075 ± 0.4768
17 1342 1342/1342 1342 ± 0.00004786 6.063 5.64/6.326 5.985 ± 0.4648
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-19 06:56:16.033
End
2025-07-19 07:41:08.935
Duration
0:44:52.902
Note, WebLog generation is not included in the time.

CASA logs for stage 8