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

Statwt Summary Plot

VLASS2.1.sb38618574.eb38632962.59098.03251238426_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 5.322 5.073/5.75 5.498 ± 0.5375
ea02 1342 1342/1342 1342 ± 0 5.503 5.199/6.276 5.773 ± 0.6542
ea04 1342 1342/1342 1342 ± 0 5.395 4.996/5.955 5.518 ± 0.5651
ea05 1342 1342/1342 1342 ± 0 5.562 5.125/6.049 5.639 ± 0.5836
ea06 1342 1342/1342 1342 ± 0 4.802 4.499/5.319 4.922 ± 0.4678
ea07 1342 1342/1342 1342 ± 0 5.782 5.234/6.075 5.789 ± 0.605
ea08 1342 1342/1342 1342 ± 0 5.563 5.3/6.436 5.906 ± 0.6769
ea09 1342 1342/1342 1342 ± 0 5.376 5.056/6.143 5.572 ± 0.6343
ea10 1342 1342/1342 1342 ± 0 5.719 5.068/6.394 5.73 ± 0.6786
ea11 1342 1342/1342 1342 ± 0 5.667 5.105/6.189 5.722 ± 0.6435
ea12 1342 1342/1342 1342 ± 0 5.6 5.162/6.263 5.78 ± 0.6471
ea13 1342 1342/1342 1342 ± 0 5.817 5.555/6.229 5.966 ± 0.4971
ea14 1342 1342/1342 1342 ± 0 5.59 5.069/6.172 5.654 ± 0.6783
ea15 1342 1342/1342 1342 ± 0 5.386 4.923/6.04 5.548 ± 0.6885
ea16 1342 1342/1342 1342 ± 0 5.902 5.467/6.53 6.045 ± 0.7121
ea17 1342 1342/1342 1342 ± 0.000001163 5.711 5.311/6.292 5.853 ± 0.6321
ea18 1342 1342/1342 1342 ± 0 4.892 4.554/5.325 4.994 ± 0.5162
ea19 1342 1342/1342 1342 ± 0 5.809 5.394/6.517 6.015 ± 0.662
ea20 1342 1342/1342 1342 ± 0 5.865 5.485/6.555 6.023 ± 0.6678
ea21 1342 1342/1342 1342 ± 0 5.515 5.157/6.073 5.652 ± 0.5745
ea22 1342 1342/1342 1342 ± 0 5.331 5.087/6.22 5.61 ± 0.6811
ea23 1342 1342/1342 1342 ± 0 5.803 5.252/6.238 5.866 ± 0.699
ea25 1342 1342/1342 1342 ± 0 5.329 5.005/5.925 5.499 ± 0.5819
ea26 1342 1342/1342 1342 ± 0 5.765 5.422/6.719 5.973 ± 0.678
ea27 1342 1342/1342 1342 ± 0 5.363 5.097/6.148 5.562 ± 0.5892
ea28 1342 1342/1342 1342 ± 0.00002508 5.424 5.179/6.236 5.687 ± 0.6443
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 ± 0.00002349 5.17 5.045/5.42 5.202 ± 0.2486
3 1342 1342/1342 1342 ± 0.00002393 5.13 4.963/5.299 5.113 ± 0.2567
4 1342 1342/1342 1342 ± 0.00002467 5.055 4.824/5.184 5.008 ± 0.2958
5 1342 1342/1342 1342 ± 0.00002349 5.13 4.864/5.244 5.102 ± 0.2988
6 1342 1342/1342 1342 ± 0.00002349 5.11 4.9/5.286 5.092 ± 0.2867
7 1342 1342/1342 1342 ± 0.00002349 5.155 4.994/5.304 5.138 ± 0.2568
8 1342 1342/1342 1342 ± 0.00002349 5.162 4.943/5.298 5.116 ± 0.2711
9 1342 1342/1342 1342 ± 0.00002349 5.412 5.291/5.655 5.398 ± 0.3094
10 1342 1342/1342 1342 ± 0.00002349 5.868 5.739/6.02 5.834 ± 0.288
11 1342 1342/1342 1342 ± 0.00002349 6.123 5.956/6.221 6.064 ± 0.3046
12 1342 1342/1342 1342 ± 0.00002349 6.296 6.093/6.406 6.235 ± 0.3272
13 1342 1342/1342 1342 ± 0.00002349 6.674 6.583/6.874 6.67 ± 0.3451
14 1342 1342/1342 1342 ± 0.00002349 6.875 6.687/7.075 6.846 ± 0.3782
15 1342 1342/1342 1342 ± 0.00002349 6.558 6.287/6.737 6.484 ± 0.3682
16 1342 1342/1342 1342 ± 0.00002415 5.815 5.458/6.044 5.797 ± 0.3784
17 1342 1342/1342 1342 ± 0.00002976 5.765 5.452/6.044 5.758 ± 0.3663
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38618574.eb38632962.59098.03251238426_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-17 07:05:12.412
End
2024-12-17 08:00:41.514
Duration
0:55:29.102
Note, WebLog generation is not included in the time.

CASA logs for stage 8