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 5.527 5.193/5.873 5.596 ± 0.5037
ea02 1342 1342/1342 1342 ± 0 5.876 5.361/6.326 5.936 ± 0.6285
ea04 1342 1342/1342 1342 ± 0 5.572 5.16/6.09 5.695 ± 0.5406
ea05 1342 1342/1342 1342 ± 0 5.627 5.283/6.12 5.737 ± 0.5652
ea06 1342 1342/1342 1342 ± 0 4.911 4.722/5.291 5.011 ± 0.3466
ea07 1342 1342/1342 1342 ± 0 5.791 5.36/6.097 5.879 ± 0.5464
ea08 1342 1342/1342 1342 ± 0 5.811 5.457/6.519 6.006 ± 0.6616
ea09 1342 1342/1342 1342 ± 0 5.687 5.215/6.349 5.795 ± 0.583
ea10 1342 1342/1342 1342 ± 0.000006201 5.77 5.257/6.405 5.832 ± 0.6108
ea11 1342 1342/1342 1342 ± 0 5.797 5.073/6.176 5.736 ± 0.6149
ea12 1342 1342/1342 1342 ± 0 5.872 5.338/6.342 5.939 ± 0.6172
ea13 1342 1342/1342 1342 ± 0 6.254 5.761/6.473 6.171 ± 0.5107
ea14 1342 1342/1342 1342 ± 0 5.903 5.248/6.27 5.843 ± 0.6248
ea15 1342 1342/1342 1342 ± 0 5.7 5.26/6.287 5.85 ± 0.6542
ea16 1342 1342/1342 1342 ± 0 6.096 5.625/6.628 6.209 ± 0.6998
ea17 1342 1342/1342 1342 ± 0.00001026 5.864 5.417/6.679 6.007 ± 0.628
ea18 1342 1342/1342 1342 ± 0 5.073 4.687/5.49 5.13 ± 0.4847
ea19 1342 1342/1342 1342 ± 0 6.033 5.495/6.558 6.078 ± 0.5893
ea20 1342 1342/1342 1342 ± 0 5.97 5.631/6.588 6.117 ± 0.6146
ea21 1342 1342/1342 1342 ± 0 5.644 5.302/6.125 5.764 ± 0.5228
ea22 1342 1342/1342 1342 ± 0 5.737 5.26/6.3 5.817 ± 0.6575
ea23 1342 1342/1342 1342 ± 0 6.049 5.392/6.426 5.99 ± 0.655
ea25 1342 1342/1342 1342 ± 0 5.54 5.092/6.039 5.597 ± 0.5635
ea26 1342 1342/1342 1342 ± 0 6.09 5.695/6.63 6.161 ± 0.658
ea27 1342 1342/1342 1342 ± 0.000008036 5.493 5.307/6.265 5.703 ± 0.5628
ea28 1342 1342/1342 1342 ± 0.000001778 5.617 5.315/6.284 5.801 ± 0.6112
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 ± 0.00002353 5.352 5.194/5.576 5.362 ± 0.2633
3 1342 1342/1342 1342 ± 0.00002457 5.142 4.912/5.297 5.11 ± 0.2789
4 1342 1342/1342 1342 ± 0.00003521 5.118 5.049/5.194 5.104 ± 0.1686
5 1342 1342/1342 1342 ± 0.00002353 5.357 5.136/5.453 5.313 ± 0.286
6 1342 1342/1342 1342 ± 0.00002353 5.306 5.148/5.481 5.291 ± 0.2892
7 1342 1342/1342 1342 ± 0.00002353 5.304 5.246/5.452 5.309 ± 0.2529
8 1342 1342/1342 1342 ± 0.00002353 5.302 5.145/5.405 5.265 ± 0.2569
9 1342 1342/1342 1342 ± 0.00002353 5.564 5.385/5.759 5.526 ± 0.301
10 1342 1342/1342 1342 ± 0.00002353 5.926 5.823/6.096 5.927 ± 0.2951
11 1342 1342/1342 1342 ± 0.00002353 6.208 6.042/6.324 6.142 ± 0.3132
12 1342 1342/1342 1342 ± 0.00002353 6.33 6.129/6.467 6.278 ± 0.3279
13 1342 1342/1342 1342 ± 0.00002353 6.73 6.612/6.917 6.719 ± 0.353
14 1342 1342/1342 1342 ± 0.00002353 6.948 6.741/7.173 6.919 ± 0.389
15 1342 1342/1342 1342 ± 0.00002353 6.644 6.391/6.779 6.551 ± 0.3982
16 1342 1342/1342 1342 ± 0.00002415 5.922 5.778/6.292 5.957 ± 0.3642
17 1342 1342/1342 1342 ± 0.00002428 5.97 5.746/6.243 5.963 ± 0.3451
output_dir
 
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-01 15:29:30.292
End
2024-05-01 16:18:49.920
Duration
0:49:19.628
Note, WebLog generation is not included in the time.

CASA logs for stage 7