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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.288 4.746/6.005 5.213 ± 0.9807
ea02 1342 1342/1342 1342 ± 0.00002655 5.058 4.886/6.092 5.263 ± 0.9713
ea03 1342 1342/1342 1342 ± 0.000003208 5.152 5.022/6.168 5.391 ± 0.7176
ea04 1342 1342/1342 1342 ± 0.00004794 4.915 4.391/5.722 4.874 ± 0.7993
ea05 1342 1342/1342 1342 ± 0.00004927 5.137 4.774/6.065 5.151 ± 0.9382
ea06 1342 1342/1342 1342 ± 0.00002255 4.873 4.66/5.669 4.969 ± 0.7451
ea07 1342 1342/1342 1342 ± 0.00003836 4.873 4.661/5.824 5.047 ± 0.8785
ea08 1342 1342/1342 1342 ± 0.000003704 5.549 5.176/6.413 5.504 ± 0.9555
ea09 1342 1342/1342 1342 ± 0.00004649 4.816 4.514/5.702 4.848 ± 0.8085
ea10 1342 1342/1342 1342 ± 0.000034 2.599 2.479/2.829 2.627 ± 0.2275
ea11 1342 1342/1342 1342 ± 0.00005234 5.05 4.27/5.993 4.928 ± 1.011
ea12 1342 1342/1342 1342 ± 0.0000449 4.942 4.459/5.686 4.879 ± 0.8548
ea14 1342 1342/1342 1342 ± 0.00004758 5.174 4.864/6.151 5.196 ± 0.9105
ea15 1342 1342/1342 1342 ± 0.00004983 5.289 4.811/6.329 5.301 ± 1.001
ea16 1342 1342/1342 1342 ± 0.00001914 5.449 5.055/6.218 5.434 ± 0.9133
ea17 1342 1342/1342 1342 ± 0.0000407 5.419 5.018/6.238 5.422 ± 0.9945
ea18 1342 1342/1342 1342 ± 0.000003929 5.448 5.37/6.387 5.565 ± 0.9211
ea19 1342 1342/1342 1342 ± 0.00003896 5.161 4.838/6.112 5.184 ± 0.9259
ea20 1342 1342/1342 1342 ± 0.00003043 5.557 5.235/6.456 5.63 ± 0.8571
ea21 1342 1342/1342 1342 ± 0.000005553 4.998 4.727/5.476 5.009 ± 0.5755
ea22 1342 1342/1342 1342 ± 0.00001137 5.292 4.861/6.102 5.28 ± 0.9143
ea23 1342 1342/1342 1342 ± 0.00004529 5.32 4.866/6.121 5.259 ± 0.931
ea24 1342 1342/1342 1342 ± 0.00000641 5.057 4.68/5.94 5.292 ± 0.7115
ea25 1342 1342/1342 1342 ± 0.00001076 5.526 5.229/6.612 5.743 ± 0.8386
ea27 1342 1342/1342 1342 ± 0.00001257 5.094 4.772/6.013 5.122 ± 0.859
ea28 1342 1342/1342 1342 ± 0 5.507 5.409/6.483 5.722 ± 0.7621
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 4.988 4.752/5.177 4.877 ± 0.5239
5 1342 1342/1342 1342 ± 0.00003059 4.857 4.671/5.207 4.832 ± 0.5701
6 1342 1342/1342 1342 ± 0.00002392 5.009 4.753/5.216 4.902 ± 0.5352
7 1342 1342/1342 1342 ± 0.00002348 5.138 4.87/5.281 5.014 ± 0.5365
8 1342 1342/1342 1342 ± 0.00002348 5.055 4.863/5.285 4.968 ± 0.5589
9 1342 1342/1342 1342 ± 0.00002348 5.295 5.092/5.516 5.21 ± 0.5735
10 1342 1342/1342 1342 ± 0.00002348 5.871 5.661/5.943 5.708 ± 0.6333
11 1342 1342/1342 1342 ± 0.00002348 6.117 5.824/6.238 5.979 ± 0.6639
12 1342 1342/1342 1342 ± 0.00002348 6.254 5.987/6.413 6.134 ± 0.693
13 1342 1342/1342 1342 ± 0.00002364 6.406 6.017/6.688 6.257 ± 0.7725
14 1342 1342/1342 1342 ± 0.0000518 4.761 4.303/5.393 4.834 ± 0.8496
15 1342 1342/1342 1342 ± 0.00002348 6.289 5.963/6.565 6.104 ± 0.8442
16 1342 1342/1342 1342 ± 0.00006097 3.536 3.383/3.888 3.658 ± 0.5121
17 1342 1342/1342 1342 ± 0.00006099 3.546 3.356/3.842 3.621 ± 0.3941
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-22 20:33:41.976
End
2025-07-22 21:22:54.662
Duration
0:49:12.686
Note, WebLog generation is not included in the time.

CASA logs for stage 8