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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.438 5.246/6.416 5.786 ± 0.6859
ea02 1342 1342/1342 1342 ± 0.00004347 5.773 5.329/6.44 5.831 ± 0.6492
ea03 1342 1342/1342 1342 ± 0.000001185 5.22 4.934/6.367 5.666 ± 0.7962
ea04 1342 1342/1342 1342 ± 0.00004323 5.379 4.978/6.185 5.558 ± 0.6648
ea05 1342 1342/1342 1342 ± 0.00004705 5.596 5.069/6.486 5.742 ± 0.767
ea06 1342 1342/1342 1342 ± 0 5.097 4.693/5.794 5.31 ± 0.6872
ea07 1342 1342/1342 1342 ± 0.00004242 5.386 5.011/6.261 5.603 ± 0.6911
ea08 1342 1342/1342 1342 ± 0.00004342 6.004 5.433/6.663 5.971 ± 0.7504
ea09 1342 1342/1342 1342 ± 0.00004092 4.849 4.678/5.619 5.174 ± 0.5921
ea10 1342 1342/1342 1342 ± 0.00004539 4.759 4.544/5.42 4.884 ± 0.4427
ea11 1342 1342/1342 1342 ± 0.00004284 5.722 4.815/6.646 5.743 ± 0.8762
ea12 1342 1342/1342 1342 ± 0.00004016 5.341 4.832/6.176 5.462 ± 0.6732
ea14 1342 1342/1342 1342 ± 0.00004269 5.897 5.21/6.501 5.791 ± 0.746
ea15 1342 1342/1342 1342 ± 0.00004311 5.481 5.013/6.288 5.654 ± 0.8128
ea16 1342 1342/1342 1342 ± 0 5.567 5.213/6.254 5.73 ± 0.6934
ea17 1342 1342/1342 1342 ± 0.00004291 5.933 5.249/6.692 6.057 ± 0.7993
ea18 1342 1342/1342 1342 ± 0.00004272 5.891 5.366/6.662 5.931 ± 0.7368
ea19 1342 1342/1342 1342 ± 0.00002182 5.39 5.125/6.419 5.643 ± 0.7528
ea20 1342 1342/1342 1342 ± 0.0000114 5.509 5.171/6.193 5.756 ± 0.6667
ea21 1342 1342/1342 1342 ± 0.000001149 5.007 4.752/5.738 5.245 ± 0.5643
ea22 1342 1342/1342 1342 ± 0.00004273 5.638 5.161/6.376 5.763 ± 0.6791
ea23 1342 1342/1342 1342 ± 0.00004268 5.81 5.092/6.501 5.85 ± 0.7676
ea24 1342 1342/1342 1342 ± 0 5.239 4.729/5.969 5.358 ± 0.6097
ea25 1342 1342/1342 1342 ± 0 5.825 5.316/6.623 6.057 ± 0.8847
ea27 1342 1342/1342 1342 ± 0.000001149 5.245 4.787/6.179 5.412 ± 0.775
ea28 1342 1342/1342 1342 ± 0.000004684 5.398 5.122/6.282 5.731 ± 0.7137
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 5.061 4.772/5.282 5.04 ± 0.2866
5 1342 1342/1342 1342 ± 0.00002752 5.033 4.84/5.341 5.087 ± 0.3206
6 1342 1342/1342 1342 ± 0.00002348 4.93 4.779/5.203 4.981 ± 0.3036
7 1342 1342/1342 1342 ± 0.00002348 5.203 5.011/5.41 5.166 ± 0.2877
8 1342 1342/1342 1342 ± 0.00002348 5.172 4.93/5.435 5.167 ± 0.3411
9 1342 1342/1342 1342 ± 0.00002348 5.488 5.26/5.825 5.483 ± 0.3513
10 1342 1342/1342 1342 ± 0.00002348 5.893 5.743/6.272 5.96 ± 0.3331
11 1342 1342/1342 1342 ± 0.00002348 6.254 6.06/6.487 6.233 ± 0.3306
12 1342 1342/1342 1342 ± 0.00002348 6.435 6.184/6.635 6.384 ± 0.361
13 1342 1342/1342 1342 ± 0.00002393 6.925 6.725/7.101 6.874 ± 0.3479
14 1342 1342/1342 1342 ± 0.00002393 6.634 6.324/6.959 6.678 ± 0.4059
15 1342 1342/1342 1342 ± 0.00002368 6.245 6.056/6.443 6.186 ± 0.3803
16 1342 1342/1342 1342 ± 0.00005915 4.784 4.614/5.039 4.835 ± 0.3231
17 1342 1342/1342 1342 ± 0.00005966 4.872 4.713/5.085 4.899 ± 0.2986
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-26 13:39:43.814
End
2025-07-26 14:51:02.699
Duration
1:11:18.884
Note, WebLog generation is not included in the time.

CASA logs for stage 8