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

Statwt Summary Plot

VLASS2.1.sb38524914.eb38555684.59065.379924340275_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 5.876 5.569/6.33 5.969 ± 0.4587
ea02 1342 1342/1342 1342 ± 0 6.109 5.716/6.823 6.285 ± 0.5691
ea04 1342 1342/1342 1342 ± 0.00002955 5.492 5.195/6.118 5.687 ± 0.5708
ea05 1342 1342/1342 1342 ± 0 5.903 5.573/6.414 6.016 ± 0.5564
ea06 1342 1342/1342 1342 ± 0 3.43 2.932/3.634 3.283 ± 0.3963
ea07 1342 1342/1342 1342 ± 0 5.636 5.449/5.819 5.683 ± 0.2612
ea08 1342 1342/1342 1342 ± 0 6.106 5.886/6.989 6.47 ± 0.6221
ea09 1342 1342/1342 1342 ± 0 5.718 5.272/6.054 5.704 ± 0.4778
ea10 1342 1342/1342 1342 ± 0 5.603 5.456/6.589 5.936 ± 0.6183
ea11 1342 1342/1342 1342 ± 0 6.203 5.723/6.729 6.295 ± 0.5457
ea12 1342 1342/1342 1342 ± 0 5.96 5.503/6.422 6.058 ± 0.5686
ea13 1342 1342/1342 1342 ± 0 6.194 5.863/6.455 6.231 ± 0.4401
ea14 1342 1342/1342 1342 ± 0 5.722 5.384/6.436 5.886 ± 0.6331
ea15 1342 1342/1342 1342 ± 0 5.861 5.419/6.492 6.028 ± 0.6755
ea16 1342 1342/1342 1342 ± 0 4.944 4.723/5.24 5.014 ± 0.3567
ea17 1342 1342/1342 1342 ± 0.00000114 6.256 5.916/6.737 6.41 ± 0.6286
ea18 1342 1342/1342 1342 ± 0.000001105 5.419 5.088/5.866 5.472 ± 0.466
ea19 1342 1342/1342 1342 ± 0 6.762 6.349/7.037 6.737 ± 0.4595
ea20 1342 1342/1342 1342 ± 0 6.369 6.007/6.921 6.471 ± 0.5956
ea21 1342 1342/1342 1342 ± 0 5.738 5.548/6.551 5.996 ± 0.6161
ea22 1342 1342/1342 1342 ± 0 5.914 5.461/6.502 5.953 ± 0.5702
ea23 1342 1342/1342 1342 ± 0 5.674 5.567/6.575 6.062 ± 0.6448
ea25 1342 1342/1342 1342 ± 0 5.66 5.43/5.776 5.602 ± 0.2738
ea26 1342 1342/1342 1342 ± 0 6.372 5.88/6.972 6.397 ± 0.571
ea27 1342 1342/1342 1342 ± 0.00001944 5.763 5.5/6.512 5.961 ± 0.583
ea28 1342 1342/1342 1342 ± 0 6.681 6.265/6.959 6.632 ± 0.5148
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 ± 0.00002504 5.754 5.371/5.847 5.618 ± 0.3792
3 1342 1342/1342 1342 ± 0.00003514 5.463 5.084/5.778 5.479 ± 0.3298
4 1342 1342/1342 1342 ± 0.00002554 5.444 5.231/5.702 5.419 ± 0.3196
5 1342 1342/1342 1342 ± 0.00002455 5.513 5.22/5.694 5.399 ± 0.6399
6 1342 1342/1342 1342 ± 0.00002453 5.562 5.276/5.645 5.387 ± 0.6161
7 1342 1342/1342 1342 ± 0.00002453 5.493 5.374/5.687 5.442 ± 0.5905
8 1342 1342/1342 1342 ± 0.00002504 5.484 5.312/5.756 5.521 ± 0.3278
9 1342 1342/1342 1342 ± 0.00002453 5.765 5.533/6.11 5.671 ± 0.6667
10 1342 1342/1342 1342 ± 0.00002453 6.258 6.035/6.445 6.091 ± 0.6358
11 1342 1342/1342 1342 ± 0.00002453 6.472 6.203/6.683 6.292 ± 0.7421
12 1342 1342/1342 1342 ± 0.00002453 6.542 6.337/6.819 6.418 ± 0.7487
13 1342 1342/1342 1342 ± 0.00002453 7.026 6.746/7.266 6.812 ± 0.7904
14 1342 1342/1342 1342 ± 0.00002453 7.086 6.878/7.389 6.959 ± 0.7929
15 1342 1342/1342 1342 ± 0.00002504 6.649 6.5/6.859 6.593 ± 0.376
16 1342 1342/1342 1342 ± 0.00002855 5.974 5.728/6.161 5.946 ± 0.4041
17 1342 1342/1342 1342 ± 0.00002618 5.999 5.71/6.269 5.974 ± 0.4105
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38524914.eb38555684.59065.379924340275_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-31 04:39:47.878
End
2024-12-31 05:49:05.526
Duration
1:09:17.648
Note, WebLog generation is not included in the time.

CASA logs for stage 8