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

Statwt Summary Plot

VLASS3.2.sb45663667.eb45887130.60436.11477922453_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 6.227 5.573/6.573 6.087 ± 0.6451
ea02 1342 1342/1342 1342 ± 0 6.314 5.556/6.461 6.195 ± 0.6339
ea03 1342 1342/1342 1342 ± 0 6.132 5.434/6.752 6.102 ± 0.7703
ea04 1342 1342/1342 1342 ± 0.000007243 5.52 4.989/5.944 5.468 ± 0.5883
ea05 1342 1342/1342 1342 ± 0.000003285 6.02 5.396/6.7 5.966 ± 0.728
ea06 1342 1342/1342 1342 ± 0 6.067 5.11/6.193 5.757 ± 0.661
ea07 1342 1342/1342 1342 ± 0 6.079 5.267/6.338 5.906 ± 0.7156
ea08 1342 1342/1342 1342 ± 0 6.604 5.765/6.887 6.406 ± 0.676
ea09 1342 1342/1342 1342 ± 0 5.771 5.191/6.542 5.857 ± 0.6855
ea10 1342 1342/1342 1342 ± 0 5.562 4.971/6.034 5.487 ± 0.6274
ea11 1342 1342/1342 1342 ± 0.000002845 5.417 5.088/6.249 5.571 ± 0.6889
ea12 1342 1342/1342 1342 ± 0 5.656 5.29/6.335 5.769 ± 0.6472
ea13 1342 1342/1342 1342 ± 0.000008901 6.047 5.555/6.372 5.945 ± 0.6938
ea14 1342 1342/1342 1342 ± 0.000001643 6.146 5.584/6.578 6.087 ± 0.6887
ea15 1342 1342/1342 1342 ± 0.000009759 6.259 5.621/6.711 6.135 ± 0.8227
ea16 1342 1342/1342 1342 ± 0 6.267 5.73/6.807 6.303 ± 0.7387
ea17 1342 1342/1342 1342 ± 0.000001162 6.262 5.797/7.104 6.321 ± 0.7648
ea18 1342 1342/1342 1342 ± 0 6.512 5.903/7.17 6.458 ± 0.7032
ea19 1342 1342/1342 1342 ± 0 6.125 5.458/6.657 5.999 ± 0.703
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.415 5.062/5.886 5.519 ± 0.5106
ea22 1342 1342/1342 1342 ± 0 6.366 5.617/6.728 6.177 ± 0.6721
ea23 1342 1342/1342 1342 ± 0.000001162 6.095 5.44/6.339 5.961 ± 0.7404
ea24 1342 1342/1342 1342 ± 0.00001192 6.236 5.31/6.678 5.957 ± 0.8226
ea25 1342 1342/1342 1342 ± 0 6.568 5.754/7.05 6.527 ± 0.8122
ea27 1342 1342/1342 1342 ± 0 6.055 5.252/6.547 5.904 ± 0.7168
ea28 1342 1342/1342 1342 ± 0.000007864 6.298 5.706/6.87 6.229 ± 0.7448
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 ± 0.00002348 5.395 5.24/5.627 5.44 ± 0.2571
3 1342 1342/1342 1342 ± 0.00003096 4.77 4.54/5.117 4.853 ± 0.513
4 1342 1342/1342 1342 ± 0.00002376 5.264 5.058/5.511 5.277 ± 0.3627
5 1342 1342/1342 1342 ± 0.00002348 5.458 5.211/5.744 5.491 ± 0.3193
6 1342 1342/1342 1342 ± 0.00002348 5.361 5.093/5.527 5.323 ± 0.3011
7 1342 1342/1342 1342 ± 0.00002348 5.493 5.402/5.7 5.488 ± 0.2585
8 1342 1342/1342 1342 ± 0.00002348 5.453 5.285/5.628 5.422 ± 0.2777
9 1342 1342/1342 1342 ± 0.00002348 5.759 5.616/5.923 5.744 ± 0.2879
10 1342 1342/1342 1342 ± 0.00002348 6.262 6.079/6.328 6.193 ± 0.2633
11 1342 1342/1342 1342 ± 0.00002348 6.446 6.247/6.603 6.414 ± 0.2857
12 1342 1342/1342 1342 ± 0.00002348 6.596 6.348/6.784 6.557 ± 0.3368
13 1342 1342/1342 1342 ± 0.00002348 7.052 6.72/7.315 7.011 ± 0.3605
14 1342 1342/1342 1342 ± 0.00002348 7.259 6.995/7.455 7.215 ± 0.3854
15 1342 1342/1342 1342 ± 0.00002348 6.952 6.683/7.229 6.915 ± 0.3932
16 1342 1342/1342 1342 ± 0.00002348 6.304 6.069/6.577 6.277 ± 0.4014
17 1342 1342/1342 1342 ± 0.00002349 6.287 6.058/6.423 6.226 ± 0.3993
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
output_dir
 
Start time
2025-07-25 16:21:30.507
End
2025-07-25 17:24:45.561
Duration
1:03:15.054
Note, WebLog generation is not included in the time.

CASA logs for stage 8