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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.441 5.957/6.846 6.479 ± 0.5894
ea03 1342 1342/1342 1342 ± 0 5.69 5.217/6.736 5.908 ± 0.7369
ea04 1342 1342/1342 1342 ± 0 6.277 5.76/6.777 6.34 ± 0.6853
ea05 1342 1342/1342 1342 ± 0 6.2 5.888/7.065 6.399 ± 0.7279
ea06 1342 1342/1342 1342 ± 0 6.442 5.879/6.835 6.379 ± 0.622
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.041 5.683/6.769 6.215 ± 0.6206
ea09 1342 1342/1342 1342 ± 0 6.187 5.552/6.952 6.272 ± 0.7081
ea10 1342 1342/1342 1342 ± 0 7.127 6.804/7.362 7.051 ± 0.4328
ea11 1342 1342/1342 1342 ± 0 6.324 5.612/6.864 6.338 ± 0.7312
ea12 1342 1342/1342 1342 ± 0 6.57 5.909/7.063 6.596 ± 0.7173
ea13 1342 1342/1342 1342 ± 0 5.876 5.45/6.196 5.927 ± 0.4234
ea14 1342 1342/1342 1342 ± 0 6.672 5.881/6.999 6.57 ± 0.7003
ea15 1342 1342/1342 1342 ± 0 6.058 5.471/6.61 6.081 ± 0.6681
ea16 1342 1342/1342 1342 ± 0 6.574 5.964/7.083 6.609 ± 0.7388
ea17 1342 1342/1342 1342 ± 0 6.888 6.428/7.902 7.096 ± 0.7524
ea18 1342 1342/1342 1342 ± 0 5.25 4.841/5.657 5.286 ± 0.5466
ea19 1342 1342/1342 1342 ± 0 6.781 6.051/7.33 6.692 ± 0.7162
ea20 1342 1342/1342 1342 ± 0 5.932 5.684/6.768 6.126 ± 0.6196
ea21 1342 1342/1342 1342 ± 0 5.496 5.267/6.076 5.696 ± 0.4885
ea22 1342 1342/1342 1342 ± 0 6.292 5.543/6.67 6.177 ± 0.6214
ea23 1342 1342/1342 1342 ± 0 6.3 5.934/6.978 6.514 ± 0.6923
ea24 1342 1342/1342 1342 ± 0 6.112 5.43/6.63 6.016 ± 0.5932
ea25 1342 1342/1342 1342 ± 0 6.861 6.034/7.237 6.764 ± 0.8135
ea26 1342 1342/1342 1342 ± 0 6.752 6.112/7.492 6.79 ± 0.712
ea27 1342 1342/1342 1342 ± 0 6.081 5.812/7.1 6.38 ± 0.6701
ea28 1342 1342/1342 1342 ± 0 6.28 5.948/7.16 6.543 ± 0.6801
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 ± 0.00002393 5.842 5.61/6.095 5.791 ± 0.3349
4 1342 1342/1342 1342 ± 0.00002393 5.431 5.213/5.707 5.468 ± 0.4392
5 1342 1342/1342 1342 ± 0.00002393 5.875 5.523/5.991 5.751 ± 0.3653
6 1342 1342/1342 1342 ± 0.00002393 5.737 5.469/5.906 5.668 ± 0.3129
7 1342 1342/1342 1342 ± 0.00002393 5.819 5.576/5.948 5.754 ± 0.3151
8 1342 1342/1342 1342 ± 0.00002393 5.674 5.446/5.969 5.7 ± 0.3714
9 1342 1342/1342 1342 ± 0.00002393 6.026 5.798/6.283 6.004 ± 0.37
10 1342 1342/1342 1342 ± 0.00002348 6.624 6.276/6.731 6.483 ± 0.3585
11 1342 1342/1342 1342 ± 0.00002348 6.792 6.567/7.01 6.733 ± 0.3712
12 1342 1342/1342 1342 ± 0.00002348 6.877 6.674/7.107 6.869 ± 0.4431
13 1342 1342/1342 1342 ± 0.00002348 7.404 7.111/7.752 7.348 ± 0.4992
14 1342 1342/1342 1342 ± 0.00002348 7.574 7.3/7.883 7.523 ± 0.5051
15 1342 1342/1342 1342 ± 0.00002348 7.109 6.881/7.501 7.14 ± 0.462
16 1342 1342/1342 1342 ± 0.00002348 6.375 6.068/6.812 6.41 ± 0.5054
17 1342 1342/1342 1342 ± 0.00002348 6.355 6.064/6.716 6.334 ± 0.4878
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
Start time
2025-06-12 04:44:37.053
End
2025-06-12 06:00:47.932
Duration
1:16:10.879
Note, WebLog generation is not included in the time.

CASA logs for stage 8