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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.508 5.375/6.193 5.736 ± 0.5435
ea02 1342 1342/1342 1342 ± 0.00001938 5.842 5.488/6.569 6.002 ± 0.6631
ea04 1342 1342/1342 1342 ± 0 5.504 5.209/5.983 5.637 ± 0.4801
ea05 1342 1342/1342 1342 ± 0 5.852 5.471/6.467 5.891 ± 0.5612
ea06 1342 1342/1342 1342 ± 0 5.592 5.191/6.016 5.629 ± 0.4801
ea07 1342 1342/1342 1342 ± 0 5.22 5.126/5.618 5.315 ± 0.2467
ea08 1342 1342/1342 1342 ± 0.00003393 5.912 5.615/6.671 6.154 ± 0.6683
ea09 1342 1342/1342 1342 ± 0 5.339 5.01/5.922 5.441 ± 0.4726
ea10 1342 1342/1342 1342 ± 0.00003774 5.337 5.093/6.075 5.501 ± 0.5548
ea11 1342 1342/1342 1342 ± 0.000002081 5.706 5.413/6.405 5.924 ± 0.6019
ea13 1342 1342/1342 1342 ± 0 5.978 5.774/6.185 6.089 ± 0.4273
ea14 1342 1342/1342 1342 ± 0.00001618 5.841 5.509/6.49 5.999 ± 0.6151
ea15 1342 1342/1342 1342 ± 0 5.939 5.485/6.423 6.03 ± 0.6558
ea16 1342 1342/1342 1342 ± 0.00001839 5.97 5.643/6.64 6.132 ± 0.6716
ea17 1342 1342/1342 1342 ± 0.000009281 5.674 5.505/5.873 5.679 ± 0.2211
ea18 1342 1342/1342 1342 ± 0.000001187 5.113 4.884/5.659 5.211 ± 0.4871
ea19 1342 1342/1342 1342 ± 0 5.735 5.681/5.854 5.759 ± 0.1027
ea20 1342 1342/1342 1342 ± 0.000001187 6.142 5.767/6.778 6.221 ± 0.5974
ea21 1342 1342/1342 1342 ± 0.000001187 5.587 5.482/6.301 5.868 ± 0.5302
ea22 1342 1342/1342 1342 ± 0.000001699 5.556 5.281/6.437 5.812 ± 0.6337
ea23 1342 1342/1342 1342 ± 0.00001658 5.651 5.592/6.574 6.057 ± 0.6449
ea24 1342 1342/1342 1342 ± 0 5.764 5.068/6.211 5.609 ± 0.5707
ea25 1342 1342/1342 1342 ± 0.000006513 5.507 5.311/6.215 5.739 ± 0.5785
ea26 1342 1342/1342 1342 ± 0 5.977 5.763/6.909 6.254 ± 0.6591
ea27 1342 1342/1342 1342 ± 0.000006334 5.568 5.265/5.613 5.456 ± 0.2032
ea28 1342 1342/1342 1342 ± 0.0000406 5.667 5.488/6.493 5.904 ± 0.6367
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 ± 0.00002361 5.563 5.351/5.674 5.495 ± 0.2612
3 1342 1342/1342 1342 ± 0.00002451 5.135 4.938/5.352 5.164 ± 0.3363
4 1342 1342/1342 1342 ± 0.00004424 5.147 4.86/5.297 5.09 ± 0.326
5 1342 1342/1342 1342 ± 0.00002361 5.468 5.312/5.677 5.468 ± 0.2862
6 1342 1342/1342 1342 ± 0.00002361 5.482 5.187/5.624 5.413 ± 0.2642
7 1342 1342/1342 1342 ± 0.00002361 5.476 5.193/5.616 5.432 ± 0.2616
8 1342 1342/1342 1342 ± 0.00002361 5.425 5.087/5.58 5.367 ± 0.2924
9 1342 1342/1342 1342 ± 0.00002364 5.679 5.42/5.907 5.635 ± 0.3122
10 1342 1342/1342 1342 ± 0.0000256 6.054 5.861/6.174 5.984 ± 0.3131
11 1342 1342/1342 1342 ± 0.0000256 6.225 6.022/6.406 6.204 ± 0.2987
12 1342 1342/1342 1342 ± 0.0000256 6.432 6.184/6.569 6.353 ± 0.3049
13 1342 1342/1342 1342 ± 0.0000256 6.853 6.384/6.982 6.742 ± 0.3575
14 1342 1342/1342 1342 ± 0.0000256 7.041 6.594/7.251 6.954 ± 0.3799
15 1342 1342/1342 1342 ± 0.0000256 6.694 6.336/6.924 6.616 ± 0.3988
16 1342 1342/1342 1342 ± 0.00004644 5.605 5.476/5.919 5.672 ± 0.3338
17 1342 1342/1342 1342 ± 0.00004388 5.703 5.46/5.973 5.718 ± 0.3161
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
Start time
2024-04-13 04:09:06.808
End
2024-04-13 05:06:35.609
Duration
0:57:28.800
Note, WebLog generation is not included in the time.

CASA logs for stage 7