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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.261 4.945/5.73 5.398 ± 0.5364
ea02 1342 1342/1342 1342 ± 0 5.487 5.114/6.185 5.707 ± 0.6303
ea04 1342 1342/1342 1342 ± 0 5.174 4.876/5.88 5.389 ± 0.5695
ea05 1342 1342/1342 1342 ± 0 5.406 5.012/5.933 5.511 ± 0.589
ea06 1342 1342/1342 1342 ± 0 4.884 4.495/5.382 4.955 ± 0.5178
ea07 1342 1342/1342 1342 ± 0 5.649 5.106/5.935 5.644 ± 0.5764
ea08 1342 1342/1342 1342 ± 0 5.659 5.185/6.287 5.8 ± 0.6522
ea09 1342 1342/1342 1342 ± 0 5.348 4.995/6.005 5.505 ± 0.609
ea10 1342 1342/1342 1342 ± 0 5.584 4.938/6.247 5.585 ± 0.687
ea11 1342 1342/1342 1342 ± 0 5.538 4.888/6.024 5.527 ± 0.6483
ea12 1342 1342/1342 1342 ± 0 5.44 5.018/6.12 5.639 ± 0.6579
ea13 1342 1342/1342 1342 ± 0 5.704 5.419/6.075 5.828 ± 0.5035
ea14 1342 1342/1342 1342 ± 0 5.444 4.908/6.056 5.531 ± 0.6666
ea15 1342 1342/1342 1342 ± 0 5.287 4.792/5.969 5.431 ± 0.6823
ea16 1342 1342/1342 1342 ± 0 5.778 5.303/6.44 5.922 ± 0.7301
ea17 1342 1342/1342 1342 ± 0 5.635 5.208/6.139 5.728 ± 0.618
ea18 1342 1342/1342 1342 ± 0 4.73 4.464/5.218 4.871 ± 0.5087
ea19 1342 1342/1342 1342 ± 0 5.643 5.223/6.377 5.844 ± 0.651
ea20 1342 1342/1342 1342 ± 0 5.799 5.396/6.472 5.967 ± 0.6696
ea21 1342 1342/1342 1342 ± 0 5.42 5.053/5.935 5.522 ± 0.5637
ea22 1342 1342/1342 1342 ± 0 5.259 4.879/5.936 5.461 ± 0.6687
ea23 1342 1342/1342 1342 ± 0 5.679 5.101/6.139 5.747 ± 0.6837
ea25 1342 1342/1342 1342 ± 0 5.272 4.888/5.757 5.372 ± 0.5587
ea26 1342 1342/1342 1342 ± 0 5.663 5.304/6.342 5.844 ± 0.6615
ea27 1342 1342/1342 1342 ± 0 5.249 4.906/6.07 5.448 ± 0.5946
ea28 1342 1342/1342 1342 ± 0.00002344 5.41 5.061/6.096 5.593 ± 0.6477
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 4.99 4.849/5.221 5.012 ± 0.2414
3 1342 1342/1342 1342 ± 0.00002349 5.019 4.86/5.13 4.997 ± 0.2332
4 1342 1342/1342 1342 ± 0.00002349 4.886 4.744/5.118 4.904 ± 0.2974
5 1342 1342/1342 1342 ± 0.00002349 4.996 4.759/5.121 4.977 ± 0.2872
6 1342 1342/1342 1342 ± 0.00002349 5.012 4.808/5.236 5.008 ± 0.2694
7 1342 1342/1342 1342 ± 0.00002349 5.056 4.891/5.186 5.036 ± 0.238
8 1342 1342/1342 1342 ± 0.00002349 5.063 4.822/5.183 5.011 ± 0.2557
9 1342 1342/1342 1342 ± 0.00002349 5.315 5.202/5.526 5.301 ± 0.2901
10 1342 1342/1342 1342 ± 0.00002349 5.758 5.613/5.905 5.725 ± 0.2824
11 1342 1342/1342 1342 ± 0.00002349 6.021 5.843/6.114 5.943 ± 0.2911
12 1342 1342/1342 1342 ± 0.00002349 6.12 5.857/6.295 6.039 ± 0.4284
13 1342 1342/1342 1342 ± 0.00002349 6.53 6.42/6.669 6.524 ± 0.3224
14 1342 1342/1342 1342 ± 0.00002349 6.752 6.539/6.911 6.707 ± 0.3516
15 1342 1342/1342 1342 ± 0.00002349 6.398 6.229/6.649 6.379 ± 0.3371
16 1342 1342/1342 1342 ± 0.00002551 5.745 5.507/5.933 5.759 ± 0.3302
17 1342 1342/1342 1342 ± 0.00002781 5.735 5.536/6.002 5.77 ± 0.3242
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-01-08 16:25:34.174
End
2025-01-08 17:26:05.138
Duration
1:00:30.964
Note, WebLog generation is not included in the time.

CASA logs for stage 8