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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.349 5.045/5.765 5.476 ± 0.5262
ea02 1342 1342/1342 1342 ± 0 5.501 5.191/6.262 5.761 ± 0.6381
ea04 1342 1342/1342 1342 ± 0 5.235 4.944/5.935 5.455 ± 0.5715
ea05 1342 1342/1342 1342 ± 0 5.446 5.053/5.973 5.566 ± 0.5872
ea06 1342 1342/1342 1342 ± 0 4.926 4.564/5.435 5.017 ± 0.5131
ea07 1342 1342/1342 1342 ± 0 5.733 5.238/6.045 5.753 ± 0.5782
ea08 1342 1342/1342 1342 ± 0 5.572 5.268/6.377 5.863 ± 0.6572
ea09 1342 1342/1342 1342 ± 0 5.396 5.057/6.098 5.563 ± 0.616
ea10 1342 1342/1342 1342 ± 0 5.704 5.036/6.347 5.69 ± 0.6851
ea11 1342 1342/1342 1342 ± 0 5.589 4.973/6.09 5.601 ± 0.6422
ea12 1342 1342/1342 1342 ± 0 5.525 5.1/6.182 5.724 ± 0.6494
ea13 1342 1342/1342 1342 ± 0 5.786 5.536/6.162 5.924 ± 0.4988
ea14 1342 1342/1342 1342 ± 0 5.52 5.021/6.133 5.621 ± 0.6697
ea15 1342 1342/1342 1342 ± 0 5.345 4.881/6.027 5.509 ± 0.6755
ea16 1342 1342/1342 1342 ± 0 5.866 5.394/6.531 6.017 ± 0.7288
ea17 1342 1342/1342 1342 ± 0 5.699 5.3/6.241 5.823 ± 0.6213
ea18 1342 1342/1342 1342 ± 0 4.803 4.539/5.273 4.933 ± 0.5037
ea19 1342 1342/1342 1342 ± 0 5.736 5.301/6.487 5.946 ± 0.6563
ea20 1342 1342/1342 1342 ± 0 5.901 5.49/6.557 6.065 ± 0.6643
ea21 1342 1342/1342 1342 ± 0 5.509 5.141/6.024 5.62 ± 0.5637
ea22 1342 1342/1342 1342 ± 0 5.33 4.967/6.013 5.516 ± 0.6708
ea23 1342 1342/1342 1342 ± 0 5.765 5.225/6.27 5.853 ± 0.6848
ea25 1342 1342/1342 1342 ± 0 5.322 4.968/5.83 5.45 ± 0.5589
ea26 1342 1342/1342 1342 ± 0 5.716 5.378/6.421 5.918 ± 0.6638
ea27 1342 1342/1342 1342 ± 0 5.367 5.025/6.164 5.552 ± 0.5897
ea28 1342 1342/1342 1342 ± 0.00001862 5.409 5.127/6.17 5.648 ± 0.6488
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 ± 0.00002349 5.096 4.962/5.351 5.119 ± 0.2441
3 1342 1342/1342 1342 ± 0.00002349 5.1 4.931/5.27 5.098 ± 0.2535
4 1342 1342/1342 1342 ± 0.00002349 5.017 4.82/5.226 4.999 ± 0.3012
5 1342 1342/1342 1342 ± 0.00002349 5.105 4.864/5.219 5.08 ± 0.2946
6 1342 1342/1342 1342 ± 0.00002349 5.071 4.866/5.283 5.063 ± 0.2753
7 1342 1342/1342 1342 ± 0.00002349 5.15 4.972/5.269 5.121 ± 0.2439
8 1342 1342/1342 1342 ± 0.00002349 5.134 4.9/5.268 5.092 ± 0.2645
9 1342 1342/1342 1342 ± 0.00002349 5.38 5.246/5.624 5.381 ± 0.2989
10 1342 1342/1342 1342 ± 0.00002349 5.828 5.656/5.992 5.798 ± 0.2925
11 1342 1342/1342 1342 ± 0.00002349 6.1 5.893/6.198 6.019 ± 0.2988
12 1342 1342/1342 1342 ± 0.00002349 6.182 5.945/6.374 6.117 ± 0.4392
13 1342 1342/1342 1342 ± 0.00002349 6.62 6.505/6.758 6.61 ± 0.3292
14 1342 1342/1342 1342 ± 0.00002349 6.84 6.637/7.003 6.797 ± 0.3597
15 1342 1342/1342 1342 ± 0.00002349 6.523 6.287/6.744 6.466 ± 0.3492
16 1342 1342/1342 1342 ± 0.00002378 5.821 5.468/6.018 5.802 ± 0.361
17 1342 1342/1342 1342 ± 0.00002715 5.791 5.484/6.084 5.817 ± 0.3653
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
overwrite_modelcol
False
Start time
2025-01-08 12:17:15.582
End
2025-01-08 13:17:44.964
Duration
1:00:29.382
Note, WebLog generation is not included in the time.

CASA logs for stage 8