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

Statwt Summary Plot

VLASS2.1.sb38519843.eb38632934.59097.18672790509_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 5.869 5.409/6.082 5.822 ± 0.4913
ea02 1342 1342/1342 1342 ± 0 5.943 5.587/6.619 6.114 ± 0.6105
ea04 1342 1342/1342 1342 ± 0 5.565 5.212/6.174 5.733 ± 0.5299
ea05 1342 1342/1342 1342 ± 0 5.912 5.401/6.404 5.872 ± 0.5598
ea06 1342 1342/1342 1342 ± 0 5.049 4.831/5.366 5.118 ± 0.3381
ea07 1342 1342/1342 1342 ± 0 6.169 5.549/6.276 6.107 ± 0.5496
ea08 1342 1342/1342 1342 ± 0 6.031 5.659/6.708 6.245 ± 0.6369
ea09 1342 1342/1342 1342 ± 0 5.804 5.309/6.49 5.91 ± 0.5908
ea10 1342 1342/1342 1342 ± 0 6.042 5.407/6.688 6.084 ± 0.6235
ea11 1342 1342/1342 1342 ± 0 5.964 5.321/6.414 5.963 ± 0.6305
ea12 1342 1342/1342 1342 ± 0 5.994 5.511/6.504 6.107 ± 0.6323
ea13 1342 1342/1342 1342 ± 0 6.41 5.946/6.477 6.33 ± 0.4796
ea14 1342 1342/1342 1342 ± 0 5.958 5.346/6.425 5.948 ± 0.6343
ea15 1342 1342/1342 1342 ± 0 5.791 5.212/6.346 5.876 ± 0.6695
ea16 1342 1342/1342 1342 ± 0 6.239 5.785/6.803 6.381 ± 0.678
ea17 1342 1342/1342 1342 ± 0.00001855 6.181 5.669/6.859 6.22 ± 0.5804
ea18 1342 1342/1342 1342 ± 0 5.165 4.806/5.593 5.236 ± 0.4975
ea19 1342 1342/1342 1342 ± 0 6.051 5.642/6.545 6.235 ± 0.6182
ea20 1342 1342/1342 1342 ± 0 6.328 5.797/6.912 6.328 ± 0.6119
ea21 1342 1342/1342 1342 ± 0 5.906 5.45/6.285 5.931 ± 0.5212
ea22 1342 1342/1342 1342 ± 0 5.674 5.326/6.487 5.908 ± 0.6124
ea23 1342 1342/1342 1342 ± 0 6.234 5.616/6.565 6.204 ± 0.6566
ea25 1342 1342/1342 1342 ± 0 5.654 5.332/6.217 5.786 ± 0.544
ea26 1342 1342/1342 1342 ± 0 6.231 5.802/6.981 6.337 ± 0.625
ea27 1342 1342/1342 1342 ± 0.00002248 5.654 5.459/6.428 5.898 ± 0.5471
ea28 1342 1342/1342 1342 ± 0.00002101 5.76 5.541/6.522 6.062 ± 0.5923
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 5.494 5.327/5.767 5.522 ± 0.2685
4 1342 1342/1342 1342 ± 0.00002569 5.45 5.307/5.57 5.422 ± 0.3597
5 1342 1342/1342 1342 ± 0.00002348 5.546 5.284/5.706 5.517 ± 0.3398
6 1342 1342/1342 1342 ± 0.00002348 5.406 5.175/5.573 5.385 ± 0.2954
7 1342 1342/1342 1342 ± 0.00002348 5.445 5.264/5.596 5.435 ± 0.2718
8 1342 1342/1342 1342 ± 0.00002348 5.422 5.18/5.585 5.377 ± 0.289
9 1342 1342/1342 1342 ± 0.00002348 5.659 5.49/5.938 5.64 ± 0.3353
10 1342 1342/1342 1342 ± 0.00002348 6.105 5.912/6.241 6.048 ± 0.3211
11 1342 1342/1342 1342 ± 0.00002348 6.339 6.169/6.447 6.255 ± 0.3254
12 1342 1342/1342 1342 ± 0.00002393 6.433 6.265/6.575 6.402 ± 0.3607
13 1342 1342/1342 1342 ± 0.00002348 6.904 6.769/7.073 6.87 ± 0.378
14 1342 1342/1342 1342 ± 0.00002348 7.152 6.866/7.375 7.073 ± 0.4202
15 1342 1342/1342 1342 ± 0.00002348 6.799 6.563/6.986 6.704 ± 0.4059
16 1342 1342/1342 1342 ± 0.00002928 6.031 5.689/6.348 6.044 ± 0.3959
17 1342 1342/1342 1342 ± 0.00003009 6.153 5.797/6.35 6.072 ± 0.3822
statwtmode
VLASS-SE
vis
VLASS2.1.sb38519843.eb38632934.59097.18672790509_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-12-17 03:48:12.619
End
2024-12-17 04:56:46.016
Duration
1:08:33.397
Note, WebLog generation is not included in the time.

CASA logs for stage 8