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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.71 5.408/6.166 5.813 ± 0.5358
ea02 1342 1342/1342 1342 ± 0.000005621 6.068 5.563/6.719 6.174 ± 0.629
ea04 1342 1342/1342 1342 ± 0 5.586 5.231/6.134 5.703 ± 0.5459
ea05 1342 1342/1342 1342 ± 0 5.799 5.368/6.232 5.836 ± 0.5961
ea06 1342 1342/1342 1342 ± 0 4.826 4.656/5.341 4.972 ± 0.4039
ea07 1342 1342/1342 1342 ± 0 6.079 5.617/6.381 6.134 ± 0.5695
ea08 1342 1342/1342 1342 ± 0.000006452 6.012 5.688/6.86 6.28 ± 0.6541
ea09 1342 1342/1342 1342 ± 0 5.782 5.32/6.354 5.867 ± 0.6405
ea10 1342 1342/1342 1342 ± 0.0000012 6.003 5.523/6.694 6.133 ± 0.6491
ea11 1342 1342/1342 1342 ± 0.000002853 5.939 5.295/6.449 5.941 ± 0.6684
ea12 1342 1342/1342 1342 ± 0 5.867 5.484/6.5 6.064 ± 0.6366
ea13 1342 1342/1342 1342 ± 0 6.418 5.89/6.549 6.278 ± 0.5269
ea14 1342 1342/1342 1342 ± 0 5.886 5.333/6.444 5.961 ± 0.6714
ea15 1342 1342/1342 1342 ± 0 5.681 5.202/6.313 5.837 ± 0.705
ea16 1342 1342/1342 1342 ± 0 6.306 5.811/6.856 6.463 ± 0.7211
ea17 1342 1342/1342 1342 ± 0.00001393 6.125 5.708/6.892 6.253 ± 0.644
ea18 1342 1342/1342 1342 ± 0 5.121 4.833/5.646 5.252 ± 0.5148
ea19 1342 1342/1342 1342 ± 0 5.782 5.627/6.78 6.238 ± 0.6798
ea20 1342 1342/1342 1342 ± 0 6.216 5.82/6.807 6.347 ± 0.6565
ea21 1342 1342/1342 1342 ± 0 5.788 5.481/6.358 5.945 ± 0.5746
ea22 1342 1342/1342 1342 ± 0 5.866 5.321/6.497 5.893 ± 0.6266
ea23 1342 1342/1342 1342 ± 0 6.266 5.661/6.753 6.279 ± 0.6909
ea25 1342 1342/1342 1342 ± 0.000008712 5.754 5.347/6.313 5.863 ± 0.5943
ea26 1342 1342/1342 1342 ± 0 6.347 5.704/7.011 6.306 ± 0.6622
ea27 1342 1342/1342 1342 ± 0.00001567 5.691 5.44/6.505 5.904 ± 0.6103
ea28 1342 1342/1342 1342 ± 0.00001375 5.75 5.532/6.537 6.002 ± 0.6632
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 5.477 5.293/5.683 5.468 ± 0.2755
3 1342 1342/1342 1342 ± 0.00002834 5.27 5.111/5.579 5.298 ± 0.3105
4 1342 1342/1342 1342 ± 0.00002691 5.213 5.039/5.499 5.22 ± 0.3423
5 1342 1342/1342 1342 ± 0.00002348 5.528 5.285/5.729 5.497 ± 0.3422
6 1342 1342/1342 1342 ± 0.00002348 5.479 5.219/5.624 5.423 ± 0.3077
7 1342 1342/1342 1342 ± 0.00002348 5.51 5.319/5.662 5.474 ± 0.2908
8 1342 1342/1342 1342 ± 0.00002348 5.487 5.282/5.611 5.421 ± 0.3159
9 1342 1342/1342 1342 ± 0.00002348 5.741 5.524/5.998 5.702 ± 0.3667
10 1342 1342/1342 1342 ± 0.00002393 6.159 5.962/6.356 6.117 ± 0.3424
11 1342 1342/1342 1342 ± 0.00002393 6.42 6.22/6.542 6.332 ± 0.3486
12 1342 1342/1342 1342 ± 0.00002348 6.521 6.412/6.757 6.511 ± 0.3772
13 1342 1342/1342 1342 ± 0.00002348 7.018 6.902/7.209 6.994 ± 0.403
14 1342 1342/1342 1342 ± 0.00002348 7.267 7.023/7.449 7.162 ± 0.4461
15 1342 1342/1342 1342 ± 0.00002348 6.753 6.534/6.986 6.682 ± 0.4195
16 1342 1342/1342 1342 ± 0.00002659 6.049 5.894/6.402 6.098 ± 0.385
17 1342 1342/1342 1342 ± 0.00002595 6.092 5.903/6.346 6.101 ± 0.3621
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-01-07 18:45:24.985
End
2025-01-07 19:40:34.184
Duration
0:55:09.199
Note, WebLog generation is not included in the time.

CASA logs for stage 8