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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.49 5.264/6.079 5.674 ± 0.5148
ea02 1342 1342/1342 1342 ± 0 5.912 5.533/6.653 6.103 ± 0.6295
ea04 1342 1342/1342 1342 ± 0 5.552 5.026/6.18 5.618 ± 0.5933
ea05 1342 1342/1342 1342 ± 0 5.683 5.376/6.456 5.881 ± 0.6124
ea06 1342 1342/1342 1342 ± 0 4.919 4.522/5.226 4.883 ± 0.3966
ea07 1342 1342/1342 1342 ± 0 5.656 5.394/6.202 5.865 ± 0.5923
ea08 1342 1342/1342 1342 ± 0 5.985 5.667/6.74 6.223 ± 0.6198
ea09 1342 1342/1342 1342 ± 0 5.862 5.324/6.522 5.933 ± 0.6029
ea10 1342 1342/1342 1342 ± 0 5.468 5.158/6.324 5.721 ± 0.5944
ea11 1342 1342/1342 1342 ± 0 6.054 5.155/6.341 5.881 ± 0.6562
ea12 1342 1342/1342 1342 ± 0 5.932 5.35/6.492 6.027 ± 0.6563
ea13 1342 1342/1342 1342 ± 0 6.298 5.694/6.353 6.125 ± 0.5152
ea14 1342 1342/1342 1342 ± 0 5.696 5.311/6.46 5.821 ± 0.6588
ea15 1342 1342/1342 1342 ± 0 5.716 5.066/6.259 5.726 ± 0.6913
ea16 1342 1342/1342 1342 ± 0.000006383 5.969 5.702/6.782 6.204 ± 0.7096
ea17 1342 1342/1342 1342 ± 0 6.002 5.547/6.664 6.114 ± 0.6155
ea18 1342 1342/1342 1342 ± 0 5.172 4.777/5.679 5.22 ± 0.537
ea19 1342 1342/1342 1342 ± 0 5.91 5.551/6.73 6.095 ± 0.6232
ea20 1342 1342/1342 1342 ± 0 6.331 5.717/6.832 6.267 ± 0.6552
ea21 1342 1342/1342 1342 ± 0.000006111 5.447 5.295/6.329 5.769 ± 0.5935
ea22 1342 1342/1342 1342 ± 0 5.839 5.255/6.454 5.868 ± 0.6209
ea23 1342 1342/1342 1342 ± 0 5.612 5.441/6.584 5.997 ± 0.7004
ea25 1342 1342/1342 1342 ± 0 5.839 5.245/6.262 5.785 ± 0.5862
ea26 1342 1342/1342 1342 ± 0 6.143 5.563/6.729 6.161 ± 0.6056
ea27 1342 1342/1342 1342 ± 0.00003044 5.494 5.332/6.4 5.812 ± 0.5901
ea28 1342 1342/1342 1342 ± 0 5.792 5.423/6.495 5.991 ± 0.6167
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 ± 0.00002351 5.378 5.177/5.578 5.348 ± 0.2682
4 1342 1342/1342 1342 ± 0.00002627 5.126 4.954/5.249 5.056 ± 0.2902
5 1342 1342/1342 1342 ± 0.00002351 5.371 5.147/5.491 5.34 ± 0.3312
6 1342 1342/1342 1342 ± 0.00002351 5.268 5.069/5.404 5.243 ± 0.2986
7 1342 1342/1342 1342 ± 0.00002351 5.359 5.196/5.535 5.344 ± 0.2764
8 1342 1342/1342 1342 ± 0.00002351 5.374 5.159/5.527 5.309 ± 0.3032
9 1342 1342/1342 1342 ± 0.00002351 5.638 5.482/5.85 5.597 ± 0.3398
10 1342 1342/1342 1342 ± 0.00002351 6.073 5.925/6.202 6.02 ± 0.3164
11 1342 1342/1342 1342 ± 0.00002351 6.305 6.118/6.405 6.241 ± 0.3367
12 1342 1342/1342 1342 ± 0.00002351 6.459 6.268/6.597 6.391 ± 0.3518
13 1342 1342/1342 1342 ± 0.00002351 6.884 6.715/7.043 6.814 ± 0.3854
14 1342 1342/1342 1342 ± 0.00002351 7.013 6.836/7.236 6.965 ± 0.4198
15 1342 1342/1342 1342 ± 0.00002351 6.591 6.404/6.835 6.548 ± 0.3971
16 1342 1342/1342 1342 ± 0.00003185 5.869 5.631/6.054 5.859 ± 0.3732
17 1342 1342/1342 1342 ± 0.00002486 5.852 5.535/6.143 5.842 ± 0.3837
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-05-17 09:42:45.380
End
2024-05-17 10:39:30.771
Duration
0:56:45.390
Note, WebLog generation is not included in the time.

CASA logs for stage 8