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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.373 5.112/5.976 5.48 ± 0.7087
ea02 1342 1342/1342 1342 ± 0.00002281 5.279 4.838/6.114 5.356 ± 0.7034
ea03 1342 1342/1342 1342 ± 0 5.257 5.06/6.17 5.532 ± 0.6196
ea04 1342 1342/1342 1342 ± 0.00003609 4.945 4.688/5.663 5.041 ± 0.5547
ea05 1342 1342/1342 1342 ± 0.00004061 5.15 4.841/5.945 5.306 ± 0.6828
ea06 1342 1342/1342 1342 ± 0.000008126 4.863 4.572/5.656 5.083 ± 0.5618
ea07 1342 1342/1342 1342 ± 0.00002308 4.888 4.581/5.721 5.087 ± 0.6243
ea08 1342 1342/1342 1342 ± 0.000015 5.306 5.073/6.35 5.581 ± 0.6677
ea09 1342 1342/1342 1342 ± 0.00003182 4.874 4.651/5.577 5.09 ± 0.5661
ea10 1342 1342/1342 1342 ± 0.00003047 2.815 2.737/3.067 2.897 ± 0.2159
ea11 1342 1342/1342 1342 ± 0.00004307 5.118 4.41/5.824 5.157 ± 0.7601
ea12 1342 1342/1342 1342 ± 0.00003007 4.932 4.666/5.643 5.056 ± 0.5938
ea14 1342 1342/1342 1342 ± 0.00003837 5.274 4.96/5.966 5.372 ± 0.6562
ea15 1342 1342/1342 1342 ± 0.00004244 5.366 5.189/6.28 5.55 ± 0.7464
ea16 1342 1342/1342 1342 ± 0.000007526 5.463 5.011/6.184 5.64 ± 0.6871
ea17 1342 1342/1342 1342 ± 0.00002724 5.409 4.914/6.216 5.557 ± 0.7183
ea18 1342 1342/1342 1342 ± 0.000007985 5.406 5.162/6.238 5.587 ± 0.6627
ea19 1342 1342/1342 1342 ± 0.00001822 5.265 4.996/5.996 5.355 ± 0.6994
ea20 1342 1342/1342 1342 ± 0.000009516 5.599 5.369/6.561 5.92 ± 0.7263
ea21 1342 1342/1342 1342 ± 0 4.822 4.725/5.542 5.074 ± 0.5218
ea22 1342 1342/1342 1342 ± 0.00001797 5.281 4.875/6.075 5.38 ± 0.6253
ea23 1342 1342/1342 1342 ± 0.00003677 5.375 4.897/6.131 5.465 ± 0.6722
ea24 1342 1342/1342 1342 ± 0.000003457 5.067 4.932/5.943 5.344 ± 0.5775
ea25 1342 1342/1342 1342 ± 0.000003765 5.729 5.332/6.345 5.904 ± 0.7504
ea27 1342 1342/1342 1342 ± 0.000005023 5.147 4.848/5.917 5.24 ± 0.7315
ea28 1342 1342/1342 1342 ± 0.000006015 5.501 5.383/6.483 5.814 ± 0.6665
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 ± 0.0000236 4.99 4.75/5.118 4.889 ± 0.4965
5 1342 1342/1342 1342 ± 0.000024 4.871 4.506/5.036 4.78 ± 0.5373
6 1342 1342/1342 1342 ± 0.00002401 4.985 4.695/5.193 4.886 ± 0.5079
7 1342 1342/1342 1342 ± 0.00002356 5.084 4.914/5.272 4.998 ± 0.5088
8 1342 1342/1342 1342 ± 0.00002356 5.017 4.789/5.2 4.944 ± 0.5335
9 1342 1342/1342 1342 ± 0.00002356 5.281 5.106/5.495 5.211 ± 0.5468
10 1342 1342/1342 1342 ± 0.00002356 5.81 5.594/5.949 5.69 ± 0.5919
11 1342 1342/1342 1342 ± 0.00002356 6.105 5.721/6.216 5.952 ± 0.6245
12 1342 1342/1342 1342 ± 0.00002356 6.273 5.886/6.364 6.119 ± 0.6498
13 1342 1342/1342 1342 ± 0.00002356 6.428 6.125/6.685 6.371 ± 0.7356
14 1342 1342/1342 1342 ± 0.00002383 5.581 5.344/6.02 5.685 ± 0.8134
15 1342 1342/1342 1342 ± 0.00002427 5.916 5.529/6.228 5.771 ± 0.7408
16 1342 1342/1342 1342 ± 0.00005824 4.433 4.217/4.72 4.455 ± 0.5218
17 1342 1342/1342 1342 ± 0.00005771 4.458 4.276/4.668 4.471 ± 0.414
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
Start time
2025-07-22 20:39:40.505
End
2025-07-22 21:34:29.504
Duration
0:54:48.998
Note, WebLog generation is not included in the time.

CASA logs for stage 8