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

Statwt Summary Plot

VLASS2.1.sb38544671.eb38577571.59079.03639115741_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 5.49 5.086/5.735 5.467 ± 0.4628
ea02 1342 1342/1342 1342 ± 0.000004816 5.678 5.046/6.188 5.702 ± 0.62
ea04 1342 1342/1342 1342 ± 0.00002274 5.126 4.778/5.822 5.33 ± 0.6052
ea05 1342 1342/1342 1342 ± 0 5.737 5.079/6.197 5.664 ± 0.6357
ea06 1342 1342/1342 1342 ± 0 4.872 4.487/5.298 4.929 ± 0.4675
ea07 1342 1342/1342 1342 ± 0 5.482 5.016/5.769 5.507 ± 0.5764
ea08 1342 1342/1342 1342 ± 0 5.535 5.104/6.295 5.759 ± 0.6831
ea09 1342 1342/1342 1342 ± 0 5.583 4.871/6.225 5.509 ± 0.6547
ea10 1342 1342/1342 1342 ± 0 5.295 4.759/5.93 5.365 ± 0.6047
ea11 1342 1342/1342 1342 ± 0 5.477 5.018/5.968 5.454 ± 0.5896
ea12 1342 1342/1342 1342 ± 0 5.422 4.976/5.991 5.561 ± 0.6349
ea13 1342 1342/1342 1342 ± 0 5.597 5.319/6.132 5.785 ± 0.5577
ea14 1342 1342/1342 1342 ± 0 5.467 5.07/5.978 5.525 ± 0.6366
ea15 1342 1342/1342 1342 ± 0 5.254 4.747/5.884 5.36 ± 0.7109
ea16 1342 1342/1342 1342 ± 0 5.693 5.057/6.185 5.729 ± 0.7102
ea17 1342 1342/1342 1342 ± 0.000001207 5.677 5.363/6.206 5.844 ± 0.5909
ea18 1342 1342/1342 1342 ± 0 4.822 4.497/5.296 4.918 ± 0.52
ea19 1342 1342/1342 1342 ± 0 5.91 5.064/6.222 5.713 ± 0.6517
ea20 1342 1342/1342 1342 ± 0 5.715 5.229/6.36 5.813 ± 0.6877
ea21 1342 1342/1342 1342 ± 0 5.422 4.898/6.048 5.484 ± 0.6018
ea22 1342 1342/1342 1342 ± 0 5.704 4.95/6.212 5.605 ± 0.6875
ea23 1342 1342/1342 1342 ± 0 5.746 5.426/6.225 5.776 ± 0.699
ea25 1342 1342/1342 1342 ± 0 5.356 5.091/5.808 5.466 ± 0.5324
ea26 1342 1342/1342 1342 ± 0 5.733 5.157/6.262 5.643 ± 0.6127
ea27 1342 1342/1342 1342 ± 0.00002341 5.372 4.718/6.059 5.373 ± 0.6392
ea28 1342 1342/1342 1342 ± 0 5.568 5.171/6.256 5.65 ± 0.6351
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 ± 0.00002763 5.091 4.829/5.24 5.05 ± 0.3343
3 1342 1342/1342 1342 ± 0.00002424 4.851 4.678/5.095 4.89 ± 0.2591
4 1342 1342/1342 1342 ± 0.00002596 4.809 4.514/5.112 4.835 ± 0.3558
5 1342 1342/1342 1342 ± 0.00002349 4.959 4.722/5.135 4.931 ± 0.2846
6 1342 1342/1342 1342 ± 0.00002349 4.954 4.76/5.085 4.931 ± 0.2425
7 1342 1342/1342 1342 ± 0.00002349 4.99 4.867/5.108 4.99 ± 0.2178
8 1342 1342/1342 1342 ± 0.00002349 4.952 4.845/5.158 4.974 ± 0.2665
9 1342 1342/1342 1342 ± 0.00002349 5.301 5.092/5.456 5.268 ± 0.2655
10 1342 1342/1342 1342 ± 0.00002393 5.709 5.579/5.793 5.687 ± 0.2755
11 1342 1342/1342 1342 ± 0.00002349 5.92 5.799/6.067 5.897 ± 0.2526
12 1342 1342/1342 1342 ± 0.00002349 6.132 5.82/6.23 6.061 ± 0.2961
13 1342 1342/1342 1342 ± 0.00002349 6.541 6.413/6.629 6.489 ± 0.302
14 1342 1342/1342 1342 ± 0.00002393 6.646 6.492/6.881 6.64 ± 0.3395
15 1342 1342/1342 1342 ± 0.00002393 6.36 6.163/6.464 6.287 ± 0.31
16 1342 1342/1342 1342 ± 0.000029 5.706 5.566/5.849 5.68 ± 0.2463
17 1342 1342/1342 1342 ± 0.00002429 5.789 5.563/5.925 5.718 ± 0.2844
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-04-05 01:18:43.900
End
2024-04-05 02:18:12.340
Duration
0:59:28.440
Note, WebLog generation is not included in the time.

CASA logs for stage 7