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

Statwt Summary Plot

VLASS2.1.sb38458451.eb38565931.59072.733167094906_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 4.747 4.656/5.544 5.063 ± 0.5624
ea02 1342 1342/1342 1342 ± 0.00004185 4.894 4.622/5.809 5.185 ± 0.6866
ea05 1342 1342/1342 1342 ± 0.00001709 4.804 4.712/5.863 5.2 ± 0.6103
ea06 1342 1342/1342 1342 ± 0 4.667 4.461/5.267 4.833 ± 0.5187
ea07 1342 1342/1342 1342 ± 0.00002612 5.058 4.736/5.47 5.172 ± 0.5136
ea08 1342 1342/1342 1342 ± 0.00004272 5.199 4.856/6.04 5.46 ± 0.727
ea09 1342 1342/1342 1342 ± 0.00003404 4.431 4.306/5.362 4.746 ± 0.5448
ea10 1342 1342/1342 1342 ± 0.00004117 4.829 4.701/5.96 5.265 ± 0.6657
ea11 1342 1342/1342 1342 ± 0.00002416 5.29 4.812/5.991 5.397 ± 0.6897
ea12 1342 1342/1342 1342 ± 0 5.098 4.734/5.931 5.288 ± 0.6922
ea13 1342 1342/1342 1342 ± 0.000007897 4.869 4.617/5.423 5.058 ± 0.5691
ea14 1342 1342/1342 1342 ± 0 4.964 4.824/5.803 5.272 ± 0.5851
ea15 1342 1342/1342 1342 ± 0 4.731 4.662/5.612 5.117 ± 0.6056
ea16 1342 1342/1342 1342 ± 0 4.82 4.602/4.938 4.8 ± 0.2022
ea17 1342 1342/1342 1342 ± 0.0000415 5.214 4.81/6.357 5.443 ± 0.7206
ea18 1342 1342/1342 1342 ± 0.000009703 4.647 4.359/5.329 4.772 ± 0.5334
ea19 1342 1342/1342 1342 ± 0 5.027 4.905/6.042 5.393 ± 0.6144
ea20 1342 1342/1342 1342 ± 0.000005493 5.419 5.115/6.343 5.576 ± 0.7406
ea21 1342 1342/1342 1342 ± 0 4.793 4.67/5.645 5.115 ± 0.5482
ea22 1342 1342/1342 1342 ± 0.00003985 4.824 4.565/5.818 5.15 ± 0.6815
ea23 1342 1342/1342 1342 ± 0.000006052 5.046 4.849/5.968 5.408 ± 0.6561
ea25 1342 1342/1342 1342 ± 0 4.838 4.62/4.94 4.816 ± 0.1917
ea26 1342 1342/1342 1342 ± 0.00001152 4.744 4.474/5.689 5.038 ± 0.6421
ea27 1342 1342/1342 1342 ± 0.00004234 4.995 4.674/5.895 5.209 ± 0.6401
ea28 1342 1342/1342 1342 ± 0.00004185 4.894 4.738/5.854 5.224 ± 0.6562
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 ± 0.00002392 4.755 4.53/4.932 4.766 ± 0.2562
4 1342 1342/1342 1342 ± 0.00002739 4.538 4.371/4.647 4.518 ± 0.2303
5 1342 1342/1342 1342 ± 0.00002392 4.714 4.601/4.836 4.704 ± 0.2124
6 1342 1342/1342 1342 ± 0.00002392 4.751 4.665/4.822 4.736 ± 0.1694
7 1342 1342/1342 1342 ± 0.00002392 4.762 4.683/4.861 4.779 ± 0.1793
8 1342 1342/1342 1342 ± 0.00002392 4.778 4.666/4.94 4.806 ± 0.2241
9 1342 1342/1342 1342 ± 0.00002392 5.099 4.906/5.249 5.057 ± 0.2606
10 1342 1342/1342 1342 ± 0.00002489 5.406 5.253/5.523 5.399 ± 0.2571
11 1342 1342/1342 1342 ± 0.00002489 5.675 5.411/5.785 5.63 ± 0.2723
12 1342 1342/1342 1342 ± 0.00002489 5.822 5.549/5.964 5.791 ± 0.2863
13 1342 1342/1342 1342 ± 0.00002489 6.124 5.949/6.354 6.133 ± 0.3
14 1342 1342/1342 1342 ± 0.00002489 6.289 6.171/6.465 6.27 ± 0.2918
15 1342 1342/1342 1342 ± 0.00002489 6.086 5.911/6.276 6.041 ± 0.3166
16 1342 1342/1342 1342 ± 0.00006009 4.581 4.341/4.72 4.541 ± 0.2524
17 1342 1342/1342 1342 ± 0.00005976 4.528 4.392/4.712 4.54 ± 0.2231
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38458451.eb38565931.59072.733167094906_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-05-17 09:09:02.053
End
2025-05-17 09:39:41.845
Duration
0:30:39.792
Note, WebLog generation is not included in the time.

CASA logs for stage 8