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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.532 5.267/6.49 5.825 ± 0.6973
ea02 1342 1342/1342 1342 ± 0.00004343 5.626 5.182/6.282 5.711 ± 0.6417
ea03 1342 1342/1342 1342 ± 0.00002671 5.404 5.173/6.306 5.742 ± 0.7229
ea04 1342 1342/1342 1342 ± 0.00004332 5.166 4.983/5.96 5.387 ± 0.6071
ea05 1342 1342/1342 1342 ± 0.00004314 5.389 4.997/6.194 5.569 ± 0.6961
ea06 1342 1342/1342 1342 ± 0.000007983 5.291 4.832/5.925 5.463 ± 0.6874
ea07 1342 1342/1342 1342 ± 0.00004192 5.398 4.941/6.114 5.502 ± 0.6451
ea08 1342 1342/1342 1342 ± 0.0000433 5.949 5.399/6.619 5.934 ± 0.7098
ea09 1342 1342/1342 1342 ± 0.000042 5.089 4.866/5.901 5.393 ± 0.6291
ea10 1342 1342/1342 1342 ± 0.00004431 4.561 4.381/4.922 4.628 ± 0.326
ea11 1342 1342/1342 1342 ± 0.00004374 5.736 4.796/6.44 5.648 ± 0.8094
ea12 1342 1342/1342 1342 ± 0.00004069 5.196 4.72/6.03 5.336 ± 0.6406
ea14 1342 1342/1342 1342 ± 0.00004271 5.705 5.058/6.303 5.629 ± 0.6878
ea15 1342 1342/1342 1342 ± 0.000043 5.586 5.017/6.428 5.724 ± 0.8498
ea16 1342 1342/1342 1342 ± 0.000008525 5.718 5.37/6.354 5.909 ± 0.7288
ea17 1342 1342/1342 1342 ± 0.00004295 5.766 5.251/6.451 5.89 ± 0.7264
ea18 1342 1342/1342 1342 ± 0.00004333 5.866 5.437/6.616 5.949 ± 0.7277
ea19 1342 1342/1342 1342 ± 0.00002548 5.425 5.114/6.402 5.64 ± 0.7349
ea20 1342 1342/1342 1342 ± 0.00001331 5.893 5.572/6.725 6.106 ± 0.7522
ea21 1342 1342/1342 1342 ± 0.000003258 5.087 4.896/5.75 5.318 ± 0.5274
ea22 1342 1342/1342 1342 ± 0.00004228 5.495 5.013/6.265 5.63 ± 0.6392
ea23 1342 1342/1342 1342 ± 0.00004252 5.765 5.117/6.348 5.712 ± 0.7138
ea24 1342 1342/1342 1342 ± 0 5.346 5.079/6.242 5.629 ± 0.5934
ea25 1342 1342/1342 1342 ± 0.000002304 5.895 5.476/6.515 6.119 ± 0.7842
ea27 1342 1342/1342 1342 ± 0.00000671 5.353 4.92/6.262 5.492 ± 0.7472
ea28 1342 1342/1342 1342 ± 0.000006509 5.777 5.587/6.651 6.071 ± 0.7022
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 ± 0.00002372 5.149 4.929/5.244 5.119 ± 0.2551
5 1342 1342/1342 1342 ± 0.00002756 5.105 4.888/5.478 5.157 ± 0.3412
6 1342 1342/1342 1342 ± 0.00002348 5.066 4.832/5.337 5.061 ± 0.2846
7 1342 1342/1342 1342 ± 0.00002348 5.204 5.046/5.428 5.212 ± 0.2715
8 1342 1342/1342 1342 ± 0.00002348 5.206 4.99/5.446 5.202 ± 0.3221
9 1342 1342/1342 1342 ± 0.00002348 5.477 5.307/5.767 5.499 ± 0.3274
10 1342 1342/1342 1342 ± 0.00002348 5.995 5.837/6.161 5.95 ± 0.3259
11 1342 1342/1342 1342 ± 0.00002348 6.268 6.067/6.442 6.216 ± 0.3462
12 1342 1342/1342 1342 ± 0.00002348 6.425 6.117/6.56 6.363 ± 0.4147
13 1342 1342/1342 1342 ± 0.00002348 6.844 6.558/7.098 6.778 ± 0.4939
14 1342 1342/1342 1342 ± 0.00002393 6.577 6.31/6.974 6.655 ± 0.4661
15 1342 1342/1342 1342 ± 0.00002435 6.218 5.985/6.432 6.167 ± 0.4107
16 1342 1342/1342 1342 ± 0.0000589 4.738 4.563/5.007 4.797 ± 0.3627
17 1342 1342/1342 1342 ± 0.00005972 4.862 4.695/5.058 4.881 ± 0.3236
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-27 11:51:57.578
End
2025-07-27 13:01:58.950
Duration
1:10:01.373
Note, WebLog generation is not included in the time.

CASA logs for stage 8