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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.729 5.574/6.557 6.041 ± 0.6699
ea02 1342 1342/1342 1342 ± 0.00004946 5.718 5.285/6.564 5.968 ± 0.7749
ea04 1342 1342/1342 1342 ± 0.00003425 5.663 5.291/6.165 5.76 ± 0.5854
ea05 1342 1342/1342 1342 ± 0.00001267 5.719 5.128/6.549 5.868 ± 0.7089
ea06 1342 1342/1342 1342 ± 0.0000382 5.175 4.987/5.801 5.404 ± 0.4874
ea07 1342 1342/1342 1342 ± 0.00003912 6.06 5.667/6.491 6.211 ± 0.6772
ea08 1342 1342/1342 1342 ± 0.00004038 6.621 5.554/7.089 6.256 ± 0.8263
ea09 1342 1342/1342 1342 ± 0.00003541 5.598 5.387/6.681 5.972 ± 0.7074
ea10 1342 1342/1342 1342 ± 0.00004145 6.143 5.711/7.089 6.321 ± 0.8337
ea11 1342 1342/1342 1342 ± 0.0000429 6.095 5.644/6.972 6.303 ± 0.8627
ea12 1342 1342/1342 1342 ± 0.00004011 6.094 5.703/6.716 6.185 ± 0.7607
ea13 1342 1342/1342 1342 ± 0.00002498 5.895 5.529/6.436 6.113 ± 0.679
ea14 1342 1342/1342 1342 ± 0.00004213 5.475 5.216/6.36 5.823 ± 0.7237
ea15 1342 1342/1342 1342 ± 0.00003148 5.603 5.525/6.58 6.016 ± 0.7266
ea16 1342 1342/1342 1342 ± 0.00002666 5.779 5.419/6.91 6.152 ± 0.9252
ea17 1342 1342/1342 1342 ± 0.00004147 6.161 5.915/7.441 6.499 ± 0.8705
ea18 1342 1342/1342 1342 ± 0.00004335 5.489 5.154/6.009 5.556 ± 0.548
ea19 1342 1342/1342 1342 ± 0.00001232 5.927 5.801/6.853 6.223 ± 0.7198
ea20 1342 1342/1342 1342 ± 0.00004146 6.243 6.038/7.241 6.499 ± 0.8121
ea21 1342 1342/1342 1342 ± 0.00003534 5.744 5.227/6.547 5.929 ± 0.7398
ea22 1342 1342/1342 1342 ± 0.00004479 5.303 5.125/6.784 5.77 ± 0.8136
ea23 1342 1342/1342 1342 ± 0.000032 5.823 5.545/6.579 6.119 ± 0.7464
ea25 1342 1342/1342 1342 ± 0.00003944 5.952 5.754/6.765 6.21 ± 0.7126
ea26 1342 1342/1342 1342 ± 0.00003479 5.955 5.85/6.945 6.258 ± 0.7233
ea27 1342 1342/1342 1342 ± 0.00004094 5.863 5.766/6.907 6.171 ± 0.7256
ea28 1342 1342/1342 1342 ± 0.00003949 6.101 5.762/6.8 6.248 ± 0.7428
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 ± 0.00002351 5.686 5.386/5.882 5.629 ± 0.3646
5 1342 1342/1342 1342 ± 0.00004037 5.665 5.482/5.867 5.671 ± 0.2647
6 1342 1342/1342 1342 ± 0.00002396 5.575 5.397/5.832 5.577 ± 0.2493
7 1342 1342/1342 1342 ± 0.00002351 5.553 5.388/5.774 5.575 ± 0.2852
8 1342 1342/1342 1342 ± 0.00002351 5.528 5.33/5.721 5.524 ± 0.3111
9 1342 1342/1342 1342 ± 0.00002445 5.755 5.48/5.927 5.708 ± 0.3029
10 1342 1342/1342 1342 ± 0.00002351 6.278 6.1/6.476 6.267 ± 0.3039
11 1342 1342/1342 1342 ± 0.00002351 6.497 6.36/6.722 6.515 ± 0.3164
12 1342 1342/1342 1342 ± 0.00002396 6.689 6.468/6.903 6.661 ± 0.3561
13 1342 1342/1342 1342 ± 0.00002351 7.102 6.941/7.319 7.086 ± 0.344
14 1342 1342/1342 1342 ± 0.00002351 7.328 7.062/7.484 7.26 ± 0.3725
15 1342 1342/1342 1342 ± 0.00002568 6.958 6.748/7.069 6.868 ± 0.4007
16 1342 1342/1342 1342 ± 0.00005272 4.972 4.884/5.064 4.971 ± 0.1427
17 1342 1342/1342 1342 ± 0.00005406 5.117 4.969/5.246 5.112 ± 0.1945
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-01-07 03:31:41.432
End
2025-01-07 04:31:57.649
Duration
1:00:16.217
Note, WebLog generation is not included in the time.

CASA logs for stage 8