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 5.444 5.113/5.895 5.569 ± 0.5392
ea02 1342 1342/1342 1342 ± 0 5.534 5.329/6.355 5.855 ± 0.6413
ea04 1342 1342/1342 1342 ± 0.000001108 5.305 5.018/5.871 5.467 ± 0.5591
ea05 1342 1342/1342 1342 ± 0 5.526 5.133/6.013 5.62 ± 0.581
ea06 1342 1342/1342 1342 ± 0 4.999 4.657/5.534 5.104 ± 0.5082
ea07 1342 1342/1342 1342 ± 0 5.83 5.309/6.078 5.839 ± 0.5727
ea08 1342 1342/1342 1342 ± 0 5.54 5.395/6.457 5.925 ± 0.6675
ea09 1342 1342/1342 1342 ± 0 5.574 5.128/6.167 5.641 ± 0.6263
ea10 1342 1342/1342 1342 ± 0 5.82 5.14/6.421 5.801 ± 0.6792
ea11 1342 1342/1342 1342 ± 0 5.624 5.048/6.19 5.667 ± 0.6696
ea12 1342 1342/1342 1342 ± 0 5.656 5.235/6.26 5.815 ± 0.6445
ea13 1342 1342/1342 1342 ± 0 5.952 5.631/6.245 6.03 ± 0.5073
ea14 1342 1342/1342 1342 ± 0 5.652 5.15/6.258 5.743 ± 0.6705
ea15 1342 1342/1342 1342 ± 0 5.455 5.013/6.127 5.619 ± 0.6837
ea16 1342 1342/1342 1342 ± 0 5.979 5.551/6.655 6.142 ± 0.7279
ea17 1342 1342/1342 1342 ± 0.000002478 5.805 5.446/6.358 5.962 ± 0.6285
ea18 1342 1342/1342 1342 ± 0 4.891 4.605/5.29 4.988 ± 0.5124
ea19 1342 1342/1342 1342 ± 0 5.888 5.428/6.567 6.051 ± 0.65
ea20 1342 1342/1342 1342 ± 0 6.022 5.645/6.668 6.156 ± 0.6677
ea21 1342 1342/1342 1342 ± 0 5.602 5.267/6.108 5.719 ± 0.5581
ea22 1342 1342/1342 1342 ± 0 5.405 5.129/6.082 5.606 ± 0.6597
ea23 1342 1342/1342 1342 ± 0 5.872 5.325/6.28 5.929 ± 0.6937
ea25 1342 1342/1342 1342 ± 0.000002714 5.392 5.104/5.93 5.541 ± 0.5573
ea26 1342 1342/1342 1342 ± 0 6.054 5.573/6.792 6.09 ± 0.6499
ea27 1342 1342/1342 1342 ± 0.00002831 5.428 5.132/6.215 5.632 ± 0.5804
ea28 1342 1342/1342 1342 ± 0.00002091 5.51 5.286/6.265 5.738 ± 0.6518
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 5.236 5.094/5.523 5.265 ± 0.2558
3 1342 1342/1342 1342 ± 0.00002348 5.16 4.97/5.368 5.171 ± 0.2955
4 1342 1342/1342 1342 ± 0.00002381 5.123 4.866/5.313 5.068 ± 0.3361
5 1342 1342/1342 1342 ± 0.00002349 5.078 4.931/5.299 5.103 ± 0.2981
6 1342 1342/1342 1342 ± 0.00002348 5.184 5.015/5.417 5.182 ± 0.2857
7 1342 1342/1342 1342 ± 0.00002348 5.257 5.104/5.388 5.243 ± 0.2587
8 1342 1342/1342 1342 ± 0.00002348 5.273 5.007/5.376 5.199 ± 0.2787
9 1342 1342/1342 1342 ± 0.00002348 5.48 5.308/5.737 5.481 ± 0.3146
10 1342 1342/1342 1342 ± 0.00002348 5.935 5.72/6.093 5.894 ± 0.3036
11 1342 1342/1342 1342 ± 0.00002348 6.187 5.962/6.307 6.11 ± 0.307
12 1342 1342/1342 1342 ± 0.00002348 6.255 6.033/6.479 6.202 ± 0.4525
13 1342 1342/1342 1342 ± 0.00002348 6.709 6.606/6.861 6.708 ± 0.3425
14 1342 1342/1342 1342 ± 0.00002348 6.939 6.706/7.118 6.898 ± 0.3712
15 1342 1342/1342 1342 ± 0.00002348 6.629 6.374/6.839 6.55 ± 0.3613
16 1342 1342/1342 1342 ± 0.00003135 5.852 5.549/6.153 5.855 ± 0.3836
17 1342 1342/1342 1342 ± 0.00002904 5.901 5.614/6.163 5.887 ± 0.3622
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
Start time
2025-01-08 16:02:44.675
End
2025-01-08 17:09:15.028
Duration
1:06:30.353
Note, WebLog generation is not included in the time.

CASA logs for stage 8