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 5.417 4.862/6.14 5.392 ± 1.027
ea02 1342 1342/1342 1342 ± 0.00003124 5.224 5.118/6.298 5.467 ± 1.005
ea03 1342 1342/1342 1342 ± 0.000003704 5.252 5.101/6.271 5.579 ± 0.7846
ea04 1342 1342/1342 1342 ± 0.00004849 5.019 4.642/5.85 5.04 ± 0.8185
ea05 1342 1342/1342 1342 ± 0.00005143 5.168 4.916/6.188 5.267 ± 0.9531
ea06 1342 1342/1342 1342 ± 0.00002501 5.017 4.705/5.762 5.084 ± 0.7659
ea07 1342 1342/1342 1342 ± 0.00004146 5.064 4.928/6.034 5.262 ± 0.9198
ea08 1342 1342/1342 1342 ± 0.000005723 5.715 5.393/6.632 5.736 ± 0.9879
ea09 1342 1342/1342 1342 ± 0.00004728 4.987 4.797/5.832 5.061 ± 0.7759
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.0000529 5.192 4.546/6.164 5.082 ± 1.031
ea12 1342 1342/1342 1342 ± 0.00004563 5.054 4.746/5.787 5.031 ± 0.8624
ea14 1342 1342/1342 1342 ± 0.0000508 5.238 5.051/6.272 5.36 ± 0.9366
ea15 1342 1342/1342 1342 ± 0.00005065 5.436 4.854/6.461 5.432 ± 1.023
ea16 1342 1342/1342 1342 ± 0.00002073 5.69 5.158/6.306 5.628 ± 0.9634
ea17 1342 1342/1342 1342 ± 0.00004263 5.584 5.174/6.465 5.62 ± 1.069
ea18 1342 1342/1342 1342 ± 0.000005553 5.708 5.516/6.635 5.808 ± 0.9387
ea19 1342 1342/1342 1342 ± 0.00004375 5.232 5.057/6.115 5.296 ± 0.8924
ea20 1342 1342/1342 1342 ± 0.00003966 5.676 5.247/6.656 5.716 ± 0.9403
ea21 1342 1342/1342 1342 ± 0.000005397 5.005 4.835/5.659 5.148 ± 0.6279
ea22 1342 1342/1342 1342 ± 0.00001538 5.417 5.013/6.276 5.455 ± 0.9216
ea23 1342 1342/1342 1342 ± 0.00004873 5.458 5.012/6.231 5.423 ± 0.9597
ea24 1342 1342/1342 1342 ± 0.0000129 4.981 4.728/5.921 5.291 ± 0.6989
ea25 1342 1342/1342 1342 ± 0.00001159 5.642 5.381/6.756 5.939 ± 0.923
ea27 1342 1342/1342 1342 ± 0.00001454 5.078 4.849/6.173 5.226 ± 0.8424
ea28 1342 1342/1342 1342 ± 0.00000262 5.6 5.48/6.625 5.769 ± 0.8095
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 ± 0.0000241 5.172 4.87/5.313 5.124 ± 0.2894
5 1342 1342/1342 1342 ± 0.0000349 5.046 4.786/5.383 5.08 ± 0.3647
6 1342 1342/1342 1342 ± 0.00002457 5.115 4.825/5.352 5.089 ± 0.274
7 1342 1342/1342 1342 ± 0.0000241 5.208 5.009/5.426 5.225 ± 0.2482
8 1342 1342/1342 1342 ± 0.0000241 5.16 4.923/5.384 5.163 ± 0.2824
9 1342 1342/1342 1342 ± 0.0000241 5.419 5.208/5.651 5.412 ± 0.2744
10 1342 1342/1342 1342 ± 0.00002406 5.962 5.794/6.088 5.931 ± 0.2767
11 1342 1342/1342 1342 ± 0.00002406 6.234 6.115/6.468 6.23 ± 0.2826
12 1342 1342/1342 1342 ± 0.00002406 6.403 6.251/6.591 6.414 ± 0.3282
13 1342 1342/1342 1342 ± 0.00002429 6.593 6.35/6.933 6.622 ± 0.3705
14 1342 1342/1342 1342 ± 0.00005563 5.123 4.81/5.665 5.325 ± 0.7062
15 1342 1342/1342 1342 ± 0.00002406 6.602 6.177/6.916 6.545 ± 0.4196
16 1342 1342/1342 1342 ± 0.00006061 3.632 3.48/3.934 3.757 ± 0.4148
17 1342 1342/1342 1342 ± 0.00006065 3.74 3.523/4.018 3.778 ± 0.3835
statwtmode
VLASS-SE
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-07-23 10:07:16.749
End
2025-07-23 10:55:10.283
Duration
0:47:53.534
Note, WebLog generation is not included in the time.

CASA logs for stage 8