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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.934 5.731/6.508 6.116 ± 0.4986
ea02 1342 1342/1342 1342 ± 0 6.038 5.706/6.678 6.196 ± 0.5652
ea03 1342 1342/1342 1342 ± 0.000001105 5.223 5.12/6.32 5.603 ± 0.614
ea04 1342 1342/1342 1342 ± 0 5.579 5.23/6.042 5.688 ± 0.5084
ea06 1342 1342/1342 1342 ± 0 6.054 5.489/6.372 5.992 ± 0.5184
ea07 1342 1342/1342 1342 ± 0 5.691 5.348/5.813 5.665 ± 0.394
ea08 1342 1342/1342 1342 ± 0 6.057 5.933/6.731 6.315 ± 0.5353
ea09 1342 1342/1342 1342 ± 0 5.93 5.48/6.603 6.007 ± 0.5854
ea10 1342 1342/1342 1342 ± 0 5.683 5.504/6.413 5.917 ± 0.515
ea11 1342 1342/1342 1342 ± 0 6.076 5.664/6.661 6.224 ± 0.6116
ea12 1342 1342/1342 1342 ± 0 6.022 5.638/6.561 6.137 ± 0.5616
ea13 1342 1342/1342 1342 ± 0 6.191 5.702/6.547 6.207 ± 0.5137
ea14 1342 1342/1342 1342 ± 0 6.011 5.555/6.464 6.039 ± 0.5952
ea15 1342 1342/1342 1342 ± 0 5.825 5.459/6.405 5.941 ± 0.6099
ea16 1342 1342/1342 1342 ± 0 6.024 5.62/6.419 6.089 ± 0.5219
ea17 1342 1342/1342 1342 ± 0 6.478 6.157/7.14 6.619 ± 0.5489
ea18 1342 1342/1342 1342 ± 0 4.8 4.504/5.046 4.791 ± 0.339
ea19 1342 1342/1342 1342 ± 0 6.118 5.819/6.758 6.289 ± 0.5459
ea20 1342 1342/1342 1342 ± 0 5.925 5.791/6.786 6.203 ± 0.5357
ea21 1342 1342/1342 1342 ± 0.00001186 5.819 5.604/6.407 6.032 ± 0.4957
ea22 1342 1342/1342 1342 ± 0 6.169 5.706/6.625 6.15 ± 0.5351
ea23 1342 1342/1342 1342 ± 0 5.927 5.806/6.664 6.253 ± 0.6086
ea24 1342 1342/1342 1342 ± 0 5.932 5.411/6.502 5.912 ± 0.539
ea25 1342 1342/1342 1342 ± 0 5.942 5.327/6.105 5.871 ± 0.5902
ea26 1342 1342/1342 1342 ± 0 6.073 5.663/6.794 6.173 ± 0.5532
ea27 1342 1342/1342 1342 ± 0 5.804 5.62/6.697 6.055 ± 0.5903
ea28 1342 1342/1342 1342 ± 0 5.783 5.605/6.572 6.082 ± 0.5889
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 5.727 5.623/5.891 5.69 ± 0.3214
4 1342 1342/1342 1342 ± 0.00002588 5.344 5.067/5.552 5.311 ± 0.4248
5 1342 1342/1342 1342 ± 0.00002307 5.645 5.419/5.89 5.612 ± 0.3681
6 1342 1342/1342 1342 ± 0.00002307 5.5 5.388/5.696 5.492 ± 0.3046
7 1342 1342/1342 1342 ± 0.00002307 5.568 5.408/5.743 5.55 ± 0.3004
8 1342 1342/1342 1342 ± 0.00002307 5.501 5.289/5.698 5.477 ± 0.3187
9 1342 1342/1342 1342 ± 0.00002307 5.78 5.679/5.958 5.752 ± 0.3449
10 1342 1342/1342 1342 ± 0.00002307 6.211 6.005/6.371 6.141 ± 0.364
11 1342 1342/1342 1342 ± 0.00002307 6.409 6.266/6.549 6.337 ± 0.368
12 1342 1342/1342 1342 ± 0.00002307 6.525 6.329/6.668 6.455 ± 0.4002
13 1342 1342/1342 1342 ± 0.00002307 6.904 6.677/7.064 6.848 ± 0.4138
14 1342 1342/1342 1342 ± 0.00002307 7.116 6.912/7.188 7.009 ± 0.3939
15 1342 1342/1342 1342 ± 0.00002307 6.765 6.548/6.906 6.681 ± 0.3934
16 1342 1342/1342 1342 ± 0.00002307 5.992 5.713/6.123 5.931 ± 0.3642
17 1342 1342/1342 1342 ± 0.00002454 5.93 5.702/6.028 5.846 ± 0.3339
overwrite_modelcol
False
output_dir
 
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-05-14 13:53:47.172
End
2025-05-14 15:10:26.513
Duration
1:16:39.341
Note, WebLog generation is not included in the time.

CASA logs for stage 8