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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.63 5.46/6.251 5.676 ± 0.8208
ea02 1342 1342/1342 1342 ± 0.00004283 5.567 5.372/6.494 5.679 ± 0.8325
ea03 1342 1342/1342 1342 ± 0.000002814 5.515 5.283/6.286 5.759 ± 0.713
ea04 1342 1342/1342 1342 ± 0.00004351 5.246 4.975/6.02 5.306 ± 0.7132
ea05 1342 1342/1342 1342 ± 0.00004474 5.439 5.172/6.444 5.554 ± 0.8414
ea06 1342 1342/1342 1342 ± 0.00001248 5.369 4.961/6.123 5.384 ± 0.675
ea07 1342 1342/1342 1342 ± 0.00004199 5.236 5.065/6.333 5.492 ± 0.8325
ea08 1342 1342/1342 1342 ± 0.00003677 5.667 5.365/6.788 5.83 ± 0.9045
ea09 1342 1342/1342 1342 ± 0.00004137 5.206 5.051/5.847 5.318 ± 0.7793
ea10 1342 1342/1342 1342 ± 0.00004306 5.103 4.724/5.993 5.166 ± 0.7488
ea11 1342 1342/1342 1342 ± 0.00004966 5.346 4.763/6.135 5.304 ± 0.8609
ea13 1342 1342/1342 1342 ± 0.000007434 5.405 5.107/6.096 5.497 ± 0.5913
ea14 1342 1342/1342 1342 ± 0.00004356 5.538 5.236/6.581 5.683 ± 0.8439
ea15 1342 1342/1342 1342 ± 0.00004708 5.646 5.539/6.653 5.75 ± 0.922
ea16 1342 1342/1342 1342 ± 0.00001161 5.896 5.439/6.591 5.886 ± 0.8423
ea17 1342 1342/1342 1342 ± 0.00004233 5.82 5.314/6.655 5.835 ± 0.9375
ea18 1342 1342/1342 1342 ± 0.0000338 5.792 5.473/6.812 5.877 ± 0.905
ea19 1342 1342/1342 1342 ± 0.00002694 5.399 5.338/6.413 5.578 ± 0.8185
ea20 1342 1342/1342 1342 ± 0.00001568 5.559 5.249/6.123 5.598 ± 0.6756
ea21 1342 1342/1342 1342 ± 0.000004141 5.137 4.965/5.839 5.266 ± 0.5874
ea22 1342 1342/1342 1342 ± 0.00003972 5.7 5.182/6.511 5.666 ± 0.8313
ea23 1342 1342/1342 1342 ± 0.00004382 5.73 5.251/6.502 5.75 ± 0.8789
ea24 1342 1342/1342 1342 ± 0.000001207 5.046 4.917/6.248 5.475 ± 0.7252
ea25 1342 1342/1342 1342 ± 0.000008033 6.079 5.411/6.903 6.16 ± 0.8487
ea27 1342 1342/1342 1342 ± 0.000007945 5.321 5.013/6.484 5.457 ± 0.8667
ea28 1342 1342/1342 1342 ± 0.000005506 5.663 5.477/6.534 5.858 ± 0.7563
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 5.337 5.07/5.438 5.264 ± 0.2458
5 1342 1342/1342 1342 ± 0.00002706 5.118 4.878/5.351 5.11 ± 0.3247
6 1342 1342/1342 1342 ± 0.00002348 5.297 5.103/5.531 5.291 ± 0.2648
7 1342 1342/1342 1342 ± 0.00002348 5.37 5.201/5.565 5.352 ± 0.2441
8 1342 1342/1342 1342 ± 0.00002348 5.357 5.113/5.561 5.332 ± 0.2813
9 1342 1342/1342 1342 ± 0.00002348 5.604 5.478/5.903 5.641 ± 0.305
10 1342 1342/1342 1342 ± 0.00002392 6.131 5.984/6.309 6.126 ± 0.2842
11 1342 1342/1342 1342 ± 0.00002348 6.466 6.143/6.59 6.397 ± 0.2638
12 1342 1342/1342 1342 ± 0.00002348 6.588 6.359/6.76 6.552 ± 0.3183
13 1342 1342/1342 1342 ± 0.00002348 6.686 6.423/6.973 6.722 ± 0.3596
14 1342 1342/1342 1342 ± 0.00003833 5.413 5.124/6.005 5.598 ± 0.6419
15 1342 1342/1342 1342 ± 0.00002348 6.56 6.101/6.904 6.466 ± 0.5033
16 1342 1342/1342 1342 ± 0.00006057 4.29 4.097/4.539 4.344 ± 0.4271
17 1342 1342/1342 1342 ± 0.00006066 4.179 4.002/4.389 4.213 ± 0.3076
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-19 12:18:00.993
End
2025-07-19 13:26:32.814
Duration
1:08:31.821
Note, WebLog generation is not included in the time.

CASA logs for stage 8