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

Statwt Summary Plot

VLASS2.1.sb38539731.eb38565870.59072.39593302083_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 5.504 5.424/6.07 5.79 ± 0.4545
ea02 1342 1342/1342 1342 ± 0.0000123 6.045 5.534/6.477 6.077 ± 0.5548
ea05 1342 1342/1342 1342 ± 0 5.616 5.253/6.316 5.848 ± 0.6091
ea06 1342 1342/1342 1342 ± 0.000004144 4.865 4.779/5.241 4.983 ± 0.3068
ea07 1342 1342/1342 1342 ± 0.000009645 5.831 5.515/5.945 5.792 ± 0.4316
ea08 1342 1342/1342 1342 ± 0.000005857 6.092 5.849/6.775 6.311 ± 0.5685
ea09 1342 1342/1342 1342 ± 0.00000458 5.499 5.113/5.905 5.541 ± 0.4674
ea10 1342 1342/1342 1342 ± 0.000007035 5.732 5.33/6.414 5.902 ± 0.6006
ea11 1342 1342/1342 1342 ± 0.000005523 6.017 5.53/6.407 6.052 ± 0.5347
ea12 1342 1342/1342 1342 ± 0.000004784 5.712 5.508/6.527 6.035 ± 0.5873
ea13 1342 1342/1342 1342 ± 0.000002789 6.066 5.852/6.547 6.246 ± 0.481
ea14 1342 1342/1342 1342 ± 0.000009447 5.846 5.508/6.508 5.978 ± 0.6254
ea15 1342 1342/1342 1342 ± 0.000001966 5.613 5.32/6.375 5.889 ± 0.6516
ea16 1342 1342/1342 1342 ± 0 5.347 5.199/5.531 5.311 ± 0.2737
ea17 1342 1342/1342 1342 ± 0.000006618 6.203 5.743/6.597 6.288 ± 0.5497
ea18 1342 1342/1342 1342 ± 0.000003907 5.19 5.003/5.708 5.348 ± 0.4818
ea19 1342 1342/1342 1342 ± 0.000001382 5.87 5.639/6.587 6.146 ± 0.5891
ea20 1342 1342/1342 1342 ± 0.000004144 6.061 5.829/6.825 6.364 ± 0.5787
ea21 1342 1342/1342 1342 ± 0.000002763 5.602 5.481/6.309 5.862 ± 0.505
ea22 1342 1342/1342 1342 ± 0.000005369 5.547 5.346/6.38 5.883 ± 0.5934
ea23 1342 1342/1342 1342 ± 0.000014 5.698 5.559/6.466 6.048 ± 0.637
ea25 1342 1342/1342 1342 ± 0 5.483 5.328/5.695 5.489 ± 0.1728
ea26 1342 1342/1342 1342 ± 0.00000448 5.807 5.673/6.406 6.034 ± 0.4546
ea27 1342 1342/1342 1342 ± 0.00003491 5.669 5.339/6.295 5.86 ± 0.5316
ea28 1342 1342/1342 1342 ± 0.000006899 5.834 5.627/6.426 6.052 ± 0.5847
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 ± 0.00002395 5.549 5.289/5.763 5.497 ± 0.3009
4 1342 1342/1342 1342 ± 0.00002403 5.471 5.291/5.659 5.444 ± 0.3701
5 1342 1342/1342 1342 ± 0.00002395 5.525 5.401/5.633 5.491 ± 0.2863
6 1342 1342/1342 1342 ± 0.00002392 5.469 5.312/5.577 5.435 ± 0.2726
7 1342 1342/1342 1342 ± 0.00002395 5.494 5.341/5.64 5.478 ± 0.2523
8 1342 1342/1342 1342 ± 0.00002395 5.505 5.289/5.626 5.441 ± 0.2934
9 1342 1342/1342 1342 ± 0.00002395 5.806 5.607/5.964 5.717 ± 0.342
10 1342 1342/1342 1342 ± 0.00002489 6.205 5.996/6.313 6.112 ± 0.3442
11 1342 1342/1342 1342 ± 0.00002489 6.468 6.285/6.591 6.35 ± 0.3757
12 1342 1342/1342 1342 ± 0.00002489 6.553 6.287/6.698 6.482 ± 0.3872
13 1342 1342/1342 1342 ± 0.00002489 6.968 6.724/7.172 6.889 ± 0.4138
14 1342 1342/1342 1342 ± 0.00002551 7.159 6.934/7.386 7.068 ± 0.467
15 1342 1342/1342 1342 ± 0.00003148 6.455 6.308/6.663 6.406 ± 0.3884
16 1342 1342/1342 1342 ± 0.00003422 5.99 5.734/6.271 5.98 ± 0.4039
17 1342 1342/1342 1342 ± 0.00003317 6.043 5.744/6.239 5.981 ± 0.3891
output_dir
 
vis
VLASS2.1.sb38539731.eb38565870.59072.39593302083_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-05-01 11:01:57.047
End
2024-05-01 11:53:16.601
Duration
0:51:19.554
Note, WebLog generation is not included in the time.

CASA logs for stage 7