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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.79 4.713/5.367 4.999 ± 0.376
ea02 1342 1342/1342 1342 ± 0 5.931 5.662/6.397 6.146 ± 0.5651
ea03 1342 1342/1342 1342 ± 0.000005046 5.887 5.424/6.534 6.004 ± 0.5941
ea04 1342 1342/1342 1342 ± 0.000001304 5.479 5.221/6.006 5.573 ± 0.4789
ea05 1342 1342/1342 1342 ± 0.000004121 5.578 5.29/6.405 5.824 ± 0.5691
ea06 1342 1342/1342 1342 ± 0.000001304 5.557 5.117/6.02 5.691 ± 0.5718
ea07 1342 1342/1342 1342 ± 0 5.603 5.286/6.179 5.827 ± 0.6354
ea08 1342 1342/1342 1342 ± 0 6.06 5.767/6.718 6.266 ± 0.5816
ea09 1342 1342/1342 1342 ± 0 5.569 5.159/6.314 5.697 ± 0.5638
ea10 1342 1342/1342 1342 ± 0 5.342 5.017/5.963 5.496 ± 0.5293
ea11 1342 1342/1342 1342 ± 0.00003691 5.448 4.82/6.086 5.498 ± 0.6057
ea12 1342 1342/1342 1342 ± 0.00001951 5.384 5.254/6.136 5.64 ± 0.5181
ea13 1342 1342/1342 1342 ± 0 5.889 5.632/6.363 6.01 ± 0.5823
ea14 1342 1342/1342 1342 ± 0.000001304 5.934 5.566/6.473 6.042 ± 0.5188
ea15 1342 1342/1342 1342 ± 0.00001926 5.829 5.561/6.604 6.105 ± 0.6474
ea17 1342 1342/1342 1342 ± 0 5.876 5.707/6.879 6.153 ± 0.6537
ea18 1342 1342/1342 1342 ± 0 6.138 5.898/6.902 6.395 ± 0.5854
ea19 1342 1342/1342 1342 ± 0.00002697 5.591 5.361/6.409 5.855 ± 0.5359
ea20 1342 1342/1342 1342 ± 0 5.836 5.583/6.588 6.061 ± 0.5299
ea21 1342 1342/1342 1342 ± 0.000009009 5.211 5.079/5.766 5.465 ± 0.4562
ea22 1342 1342/1342 1342 ± 0 5.957 5.831/6.767 6.206 ± 0.5871
ea23 1342 1342/1342 1342 ± 0 5.637 5.36/6.218 5.821 ± 0.6078
ea24 1342 1342/1342 1342 ± 0 5.892 5.378/6.469 5.919 ± 0.5453
ea25 1342 1342/1342 1342 ± 0.00000833 6.315 5.632/6.73 6.343 ± 0.7129
ea28 1342 1342/1342 1342 ± 0 6.241 5.78/6.925 6.343 ± 0.6127
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 5.487 5.31/5.648 5.471 ± 0.3042
5 1342 1342/1342 1342 ± 0.00002395 5.377 5.175/5.643 5.401 ± 0.3182
6 1342 1342/1342 1342 ± 0.00002393 5.304 4.999/5.513 5.266 ± 0.3342
7 1342 1342/1342 1342 ± 0.00002393 5.403 5.221/5.632 5.406 ± 0.2816
8 1342 1342/1342 1342 ± 0.00002393 5.31 5.148/5.572 5.338 ± 0.3054
9 1342 1342/1342 1342 ± 0.00002393 5.614 5.495/5.883 5.629 ± 0.3356
10 1342 1342/1342 1342 ± 0.00002393 6.084 5.914/6.243 6.025 ± 0.316
11 1342 1342/1342 1342 ± 0.00002393 6.286 6.037/6.451 6.227 ± 0.3558
12 1342 1342/1342 1342 ± 0.00002393 6.409 6.131/6.593 6.376 ± 0.3763
13 1342 1342/1342 1342 ± 0.00002393 6.897 6.465/7.054 6.806 ± 0.4082
14 1342 1342/1342 1342 ± 0.00002393 6.904 6.489/7.227 6.82 ± 0.4846
15 1342 1342/1342 1342 ± 0.00002393 6.622 6.369/6.944 6.609 ± 0.3973
16 1342 1342/1342 1342 ± 0.0000376 5.592 5.285/5.9 5.594 ± 0.444
17 1342 1342/1342 1342 ± 0.000036 5.583 5.382/5.879 5.564 ± 0.4065
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-19 02:09:27.789
End
2025-07-19 02:55:58.545
Duration
0:46:30.756
Note, WebLog generation is not included in the time.

CASA logs for stage 8