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

Statwt Summary Plot

VLASS2.1.sb38618574.eb38632962.59098.03251238426_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 5.346 5.092/5.781 5.515 ± 0.5388
ea02 1342 1342/1342 1342 ± 0 5.507 5.245/6.303 5.803 ± 0.6524
ea04 1342 1342/1342 1342 ± 0 5.421 4.989/5.99 5.518 ± 0.579
ea05 1342 1342/1342 1342 ± 0 5.544 5.102/6.048 5.633 ± 0.593
ea06 1342 1342/1342 1342 ± 0 4.846 4.525/5.34 4.948 ± 0.4635
ea07 1342 1342/1342 1342 ± 0 5.8 5.229/6.09 5.792 ± 0.6061
ea08 1342 1342/1342 1342 ± 0 5.58 5.325/6.445 5.919 ± 0.6728
ea09 1342 1342/1342 1342 ± 0 5.392 5.051/6.15 5.587 ± 0.6408
ea10 1342 1342/1342 1342 ± 0 5.72 5.057/6.424 5.74 ± 0.677
ea11 1342 1342/1342 1342 ± 0 5.708 5.159/6.222 5.752 ± 0.6454
ea12 1342 1342/1342 1342 ± 0 5.57 5.166/6.256 5.789 ± 0.6508
ea13 1342 1342/1342 1342 ± 0 5.805 5.6/6.269 5.998 ± 0.5027
ea14 1342 1342/1342 1342 ± 0 5.593 5.097/6.195 5.674 ± 0.6707
ea15 1342 1342/1342 1342 ± 0 5.424 4.939/6.057 5.581 ± 0.685
ea16 1342 1342/1342 1342 ± 0 5.903 5.46/6.56 6.056 ± 0.7112
ea17 1342 1342/1342 1342 ± 0 5.714 5.306/6.305 5.858 ± 0.6456
ea18 1342 1342/1342 1342 ± 0 4.892 4.578/5.382 5.015 ± 0.5098
ea19 1342 1342/1342 1342 ± 0 5.837 5.4/6.54 6.027 ± 0.6728
ea20 1342 1342/1342 1342 ± 0 5.877 5.518/6.58 6.036 ± 0.6699
ea21 1342 1342/1342 1342 ± 0 5.526 5.18/6.086 5.674 ± 0.5755
ea22 1342 1342/1342 1342 ± 0 5.364 5.127/6.264 5.638 ± 0.6772
ea23 1342 1342/1342 1342 ± 0 5.807 5.284/6.256 5.885 ± 0.6868
ea25 1342 1342/1342 1342 ± 0 5.32 5.036/5.922 5.505 ± 0.5764
ea26 1342 1342/1342 1342 ± 0 5.748 5.406/6.519 5.987 ± 0.679
ea27 1342 1342/1342 1342 ± 0 5.374 5.076/6.157 5.568 ± 0.5927
ea28 1342 1342/1342 1342 ± 0.0000269 5.459 5.191/6.244 5.706 ± 0.6353
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 ± 0.00002348 5.19 5.077/5.403 5.216 ± 0.245
3 1342 1342/1342 1342 ± 0.00002392 5.183 5.03/5.338 5.166 ± 0.2568
4 1342 1342/1342 1342 ± 0.00002412 5.047 4.91/5.193 5.024 ± 0.2708
5 1342 1342/1342 1342 ± 0.00002348 5.126 4.896/5.266 5.105 ± 0.2905
6 1342 1342/1342 1342 ± 0.00002348 5.113 4.89/5.315 5.088 ± 0.2865
7 1342 1342/1342 1342 ± 0.00002348 5.163 5.003/5.326 5.156 ± 0.2576
8 1342 1342/1342 1342 ± 0.00002348 5.178 4.938/5.338 5.136 ± 0.274
9 1342 1342/1342 1342 ± 0.00002348 5.425 5.309/5.663 5.418 ± 0.3085
10 1342 1342/1342 1342 ± 0.00002348 5.908 5.738/6.059 5.857 ± 0.2939
11 1342 1342/1342 1342 ± 0.00002348 6.137 5.981/6.252 6.084 ± 0.3104
12 1342 1342/1342 1342 ± 0.00002348 6.294 6.098/6.424 6.258 ± 0.3257
13 1342 1342/1342 1342 ± 0.00002348 6.695 6.614/6.899 6.688 ± 0.3473
14 1342 1342/1342 1342 ± 0.00002348 6.895 6.709/7.1 6.863 ± 0.3788
15 1342 1342/1342 1342 ± 0.00002348 6.55 6.334/6.787 6.501 ± 0.3695
16 1342 1342/1342 1342 ± 0.00002431 5.841 5.471/6.08 5.813 ± 0.3696
17 1342 1342/1342 1342 ± 0.00003053 5.789 5.479/6.055 5.77 ± 0.3588
output_dir
 
vis
VLASS2.1.sb38618574.eb38632962.59098.03251238426_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-02-05 04:16:32.701
End
2025-02-05 04:45:07.984
Duration
0:28:35.282
Note, WebLog generation is not included in the time.

CASA logs for stage 8