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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.246 5.84/6.859 6.315 ± 0.7768
ea03 1342 1342/1342 1342 ± 0 5.583 5.056/6.505 5.719 ± 0.8713
ea04 1342 1342/1342 1342 ± 0 5.479 5.227/6.43 5.84 ± 0.8303
ea05 1342 1342/1342 1342 ± 0 6.233 5.596/7.029 6.361 ± 0.7436
ea06 1342 1342/1342 1342 ± 0 6.14 5.506/6.634 6.097 ± 0.7753
ea07 1342 1342/1342 1342 ± 0 6.071 5.431/6.477 6.007 ± 0.8122
ea08 1342 1342/1342 1342 ± 0 5.992 5.445/6.812 6.047 ± 0.8623
ea09 1342 1342/1342 1342 ± 0 6.069 5.526/6.804 6.151 ± 0.8726
ea10 1342 1342/1342 1342 ± 0 6.414 5.619/7.161 6.334 ± 0.8472
ea11 1342 1342/1342 1342 ± 0 6.333 5.353/6.795 6.157 ± 0.8601
ea12 1342 1342/1342 1342 ± 0 6.516 5.671/6.946 6.381 ± 0.8777
ea13 1342 1342/1342 1342 ± 0 5.71 5.612/6.302 5.896 ± 0.5916
ea14 1342 1342/1342 1342 ± 0 6.26 5.669/6.932 6.295 ± 0.8943
ea15 1342 1342/1342 1342 ± 0 5.863 5.405/6.45 5.904 ± 0.7665
ea16 1342 1342/1342 1342 ± 0 6.475 5.806/7.015 6.338 ± 0.9376
ea17 1342 1342/1342 1342 ± 0 6.771 6.173/7.807 6.828 ± 0.9265
ea18 1342 1342/1342 1342 ± 0 5.178 4.723/5.533 5.189 ± 0.4997
ea19 1342 1342/1342 1342 ± 0 6.37 5.864/7.075 6.447 ± 0.8882
ea20 1342 1342/1342 1342 ± 0 5.919 5.506/6.677 6.031 ± 0.8312
ea21 1342 1342/1342 1342 ± 0 5.382 5.061/5.954 5.502 ± 0.5826
ea22 1342 1342/1342 1342 ± 0.000006044 6.389 5.43/6.768 6.101 ± 0.7939
ea23 1342 1342/1342 1342 ± 0 6.315 5.73/6.89 6.368 ± 0.7606
ea24 1342 1342/1342 1342 ± 0.00001369 6.021 5.321/6.627 5.864 ± 0.8187
ea25 1342 1342/1342 1342 ± 0 6.752 5.644/7.176 6.494 ± 0.9558
ea26 1342 1342/1342 1342 ± 0 6.715 5.979/7.479 6.644 ± 0.8869
ea27 1342 1342/1342 1342 ± 0 6.043 5.595/7.044 6.238 ± 0.7748
ea28 1342 1342/1342 1342 ± 0 6.304 5.821/7.07 6.442 ± 0.7973
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 ± 0.00002307 5.54 5.288/5.776 5.516 ± 0.3214
3 1342 1342/1342 1342 ± 0.00002573 5.199 4.968/5.435 5.192 ± 0.4099
4 1342 1342/1342 1342 ± 0.00002877 4.294 4.202/4.449 4.36 ± 0.2932
5 1342 1342/1342 1342 ± 0.00002307 5.61 5.325/5.758 5.55 ± 0.3384
6 1342 1342/1342 1342 ± 0.00002307 5.561 5.356/5.803 5.531 ± 0.3129
7 1342 1342/1342 1342 ± 0.00002307 5.616 5.432/5.736 5.588 ± 0.3082
8 1342 1342/1342 1342 ± 0.00002307 5.549 5.291/5.788 5.526 ± 0.3439
9 1342 1342/1342 1342 ± 0.00002307 5.89 5.66/6.114 5.846 ± 0.347
10 1342 1342/1342 1342 ± 0.00002307 6.518 6.256/6.626 6.404 ± 0.3543
11 1342 1342/1342 1342 ± 0.00002307 6.739 6.481/6.873 6.653 ± 0.3793
12 1342 1342/1342 1342 ± 0.00002307 6.877 6.562/7.045 6.796 ± 0.4523
13 1342 1342/1342 1342 ± 0.00002307 7.325 7.092/7.678 7.311 ± 0.4769
14 1342 1342/1342 1342 ± 0.00002307 7.584 7.222/7.828 7.494 ± 0.49
15 1342 1342/1342 1342 ± 0.00002307 7.13 6.772/7.439 7.093 ± 0.45
16 1342 1342/1342 1342 ± 0.00002307 6.413 6.219/6.792 6.435 ± 0.4528
17 1342 1342/1342 1342 ± 0.00002307 6.436 6.214/6.719 6.392 ± 0.4625
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
overwrite_modelcol
False
Start time
2025-06-11 12:19:57.240
End
2025-06-11 13:35:59.535
Duration
1:16:02.295
Note, WebLog generation is not included in the time.

CASA logs for stage 8