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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.529 5.279/6.043 5.687 ± 0.525
ea02 1342 1342/1342 1342 ± 0 5.797 5.393/6.476 5.975 ± 0.6466
ea04 1342 1342/1342 1342 ± 0 5.408 5.051/6.003 5.597 ± 0.5708
ea05 1342 1342/1342 1342 ± 0 5.709 5.233/6.174 5.742 ± 0.5856
ea06 1342 1342/1342 1342 ± 0 4.898 4.631/5.283 4.966 ± 0.3941
ea07 1342 1342/1342 1342 ± 0 5.955 5.458/6.21 5.967 ± 0.5533
ea08 1342 1342/1342 1342 ± 0.00000575 5.82 5.541/6.594 6.062 ± 0.6558
ea09 1342 1342/1342 1342 ± 0 5.658 5.19/6.248 5.729 ± 0.624
ea10 1342 1342/1342 1342 ± 0 5.855 5.29/6.493 5.887 ± 0.6406
ea11 1342 1342/1342 1342 ± 0 5.749 5.091/6.24 5.735 ± 0.6645
ea12 1342 1342/1342 1342 ± 0 6.22 6.047/6.659 6.331 ± 0.3938
ea13 1342 1342/1342 1342 ± 0 6.081 5.738/6.342 6.138 ± 0.4902
ea14 1342 1342/1342 1342 ± 0 5.754 5.222/6.332 5.823 ± 0.6518
ea15 1342 1342/1342 1342 ± 0 5.586 5.053/6.234 5.722 ± 0.7129
ea16 1342 1342/1342 1342 ± 0 6.043 5.596/6.665 6.174 ± 0.7061
ea17 1342 1342/1342 1342 ± 0.00001543 5.937 5.566/6.445 6.092 ± 0.6194
ea18 1342 1342/1342 1342 ± 0 4.96 4.663/5.487 5.078 ± 0.5128
ea19 1342 1342/1342 1342 ± 0 5.863 5.413/6.469 6.015 ± 0.6266
ea20 1342 1342/1342 1342 ± 0 5.975 5.569/6.57 6.092 ± 0.6456
ea21 1342 1342/1342 1342 ± 0 5.602 5.285/6.16 5.743 ± 0.5426
ea22 1342 1342/1342 1342 ± 0 5.518 5.286/6.411 5.822 ± 0.6519
ea23 1342 1342/1342 1342 ± 0 6.205 5.505/6.621 6.119 ± 0.6615
ea25 1342 1342/1342 1342 ± 0.00000185 5.531 5.208/6.007 5.638 ± 0.5661
ea26 1342 1342/1342 1342 ± 0 6.184 5.694/6.833 6.231 ± 0.6172
ea27 1342 1342/1342 1342 ± 0.00001721 5.503 5.259/6.292 5.727 ± 0.5709
ea28 1342 1342/1342 1342 ± 0.00002044 5.626 5.341/6.36 5.851 ± 0.6361
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 ± 0.00002393 5.339 5.207/5.617 5.363 ± 0.2839
3 1342 1342/1342 1342 ± 0.00002456 5.136 4.963/5.415 5.157 ± 0.3066
4 1342 1342/1342 1342 ± 0.00002491 5.17 4.969/5.322 5.131 ± 0.2933
5 1342 1342/1342 1342 ± 0.00002393 5.354 5.098/5.505 5.322 ± 0.3397
6 1342 1342/1342 1342 ± 0.00002393 5.296 5.053/5.418 5.259 ± 0.3102
7 1342 1342/1342 1342 ± 0.00002393 5.29 5.147/5.499 5.312 ± 0.273
8 1342 1342/1342 1342 ± 0.00002393 5.357 5.116/5.47 5.292 ± 0.2872
9 1342 1342/1342 1342 ± 0.00002393 5.597 5.425/5.863 5.566 ± 0.3299
10 1342 1342/1342 1342 ± 0.00002349 6.034 5.804/6.206 5.982 ± 0.3234
11 1342 1342/1342 1342 ± 0.00002349 6.27 6.106/6.369 6.201 ± 0.3258
12 1342 1342/1342 1342 ± 0.00002349 6.372 6.234/6.585 6.359 ± 0.349
13 1342 1342/1342 1342 ± 0.00002349 6.843 6.684/7.048 6.797 ± 0.3578
14 1342 1342/1342 1342 ± 0.00002349 7.009 6.764/7.235 6.964 ± 0.4049
15 1342 1342/1342 1342 ± 0.00002349 6.572 6.371/6.756 6.503 ± 0.3999
16 1342 1342/1342 1342 ± 0.0000297 5.949 5.692/6.223 5.944 ± 0.3532
17 1342 1342/1342 1342 ± 0.00002747 5.927 5.727/6.242 5.952 ± 0.3339
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2024-05-01 13:15:19.701
End
2024-05-01 14:24:51.442
Duration
1:09:31.742
Note, WebLog generation is not included in the time.

CASA logs for stage 7