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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 6.191 5.502/6.585 6.054 ± 0.8428
ea02 1342 1342/1342 1342 ± 0.00002861 6.265 5.504/6.391 6.049 ± 0.703
ea03 1342 1342/1342 1342 ± 0 6.074 5.435/6.674 6.076 ± 0.7155
ea04 1342 1342/1342 1342 ± 0 5.586 5.079/5.99 5.512 ± 0.7162
ea05 1342 1342/1342 1342 ± 0 5.978 5.285/6.655 5.881 ± 0.7692
ea06 1342 1342/1342 1342 ± 0 5.905 5.107/6.098 5.741 ± 0.6443
ea07 1342 1342/1342 1342 ± 0 6.071 5.147/6.319 5.81 ± 0.8107
ea08 1342 1342/1342 1342 ± 0 6.534 5.616/6.835 6.29 ± 0.7314
ea09 1342 1342/1342 1342 ± 0 5.646 5.125/6.375 5.783 ± 0.6508
ea10 1342 1342/1342 1342 ± 0 5.513 5.106/6.08 5.483 ± 0.7337
ea11 1342 1342/1342 1342 ± 0.000001073 5.403 5.079/6.153 5.51 ± 0.7468
ea13 1342 1342/1342 1342 ± 0 6.217 5.578/6.392 6.05 ± 0.5678
ea14 1342 1342/1342 1342 ± 0 5.997 5.595/6.545 6.121 ± 0.5943
ea15 1342 1342/1342 1342 ± 0.000002467 6.249 5.628/6.643 6.257 ± 0.6986
ea16 1342 1342/1342 1342 ± 0 6.236 5.663/6.767 6.249 ± 0.68
ea17 1342 1342/1342 1342 ± 0 6.248 5.775/7.102 6.243 ± 0.8486
ea18 1342 1342/1342 1342 ± 0 6.554 5.887/7.229 6.477 ± 0.7179
ea19 1342 1342/1342 1342 ± 0 6.007 5.39/6.628 5.907 ± 0.7829
ea20 1342 1342/1342 1342 ± 0 6.093 5.421/6.568 5.932 ± 0.6928
ea21 1342 1342/1342 1342 ± 0 5.481 5.146/5.976 5.605 ± 0.5107
ea22 1342 1342/1342 1342 ± 0 6.377 5.645/6.787 6.171 ± 0.6949
ea23 1342 1342/1342 1342 ± 0 6.006 5.47/6.388 5.959 ± 0.8331
ea24 1342 1342/1342 1342 ± 0 6.116 5.368/6.513 5.935 ± 0.6079
ea25 1342 1342/1342 1342 ± 0 6.539 5.743/7.013 6.548 ± 0.8043
ea27 1342 1342/1342 1342 ± 0 5.787 5.314/6.514 5.899 ± 0.6365
ea28 1342 1342/1342 1342 ± 0 6.328 5.691/6.926 6.32 ± 0.6501
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 5.529 5.35/5.683 5.52 ± 0.2394
3 1342 1342/1342 1342 ± 0.00003135 4.099 3.719/4.62 4.223 ± 0.6544
4 1342 1342/1342 1342 ± 0.00002425 5.202 4.971/5.484 5.247 ± 0.3108
5 1342 1342/1342 1342 ± 0.00002348 5.351 5.171/5.574 5.362 ± 0.2872
6 1342 1342/1342 1342 ± 0.00002354 5.337 5.15/5.623 5.361 ± 0.29
7 1342 1342/1342 1342 ± 0.00002348 5.476 5.298/5.659 5.459 ± 0.249
8 1342 1342/1342 1342 ± 0.00002348 5.412 5.16/5.607 5.405 ± 0.2755
9 1342 1342/1342 1342 ± 0.00002348 5.674 5.609/5.948 5.724 ± 0.2827
10 1342 1342/1342 1342 ± 0.00002348 6.209 6.072/6.314 6.179 ± 0.253
11 1342 1342/1342 1342 ± 0.00002354 6.403 6.208/6.568 6.392 ± 0.2659
12 1342 1342/1342 1342 ± 0.00002348 6.544 6.347/6.761 6.537 ± 0.3289
13 1342 1342/1342 1342 ± 0.00002348 7 6.742/7.216 6.979 ± 0.3329
14 1342 1342/1342 1342 ± 0.00002348 7.181 6.942/7.417 7.168 ± 0.3529
15 1342 1342/1342 1342 ± 0.00002348 6.907 6.653/7.196 6.883 ± 0.3654
16 1342 1342/1342 1342 ± 0.00002349 6.232 5.992/6.515 6.232 ± 0.3968
17 1342 1342/1342 1342 ± 0.00002354 6.23 6.03/6.466 6.202 ± 0.3588
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-29 13:21:11.532
End
2025-07-29 14:32:28.020
Duration
1:11:16.489
Note, WebLog generation is not included in the time.

CASA logs for stage 8