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 5.827 5.617/6.238 5.958 ± 0.448
ea02 1342 1342/1342 1342 ± 0 5.813 5.446/6.384 5.932 ± 0.5363
ea03 1342 1342/1342 1342 ± 0.00003289 5.051 4.968/6.105 5.427 ± 0.5678
ea04 1342 1342/1342 1342 ± 0.000002413 5.157 4.85/5.303 5.145 ± 0.3137
ea06 1342 1342/1342 1342 ± 0 5.69 5.365/6.07 5.774 ± 0.4476
ea07 1342 1342/1342 1342 ± 0 5.409 5.15/5.651 5.421 ± 0.3432
ea08 1342 1342/1342 1342 ± 0.00002981 6.015 5.758/6.456 6.124 ± 0.4876
ea09 1342 1342/1342 1342 ± 0.000005256 5.707 5.344/6.364 5.848 ± 0.5211
ea10 1342 1342/1342 1342 ± 0 5.524 5.266/6.087 5.663 ± 0.4133
ea11 1342 1342/1342 1342 ± 0 5.746 5.625/6.364 5.966 ± 0.5201
ea12 1342 1342/1342 1342 ± 0 5.687 5.495/6.325 5.882 ± 0.5148
ea13 1342 1342/1342 1342 ± 0.00001683 5.992 5.527/6.295 5.966 ± 0.5186
ea14 1342 1342/1342 1342 ± 0 5.645 5.37/6.218 5.814 ± 0.4752
ea15 1342 1342/1342 1342 ± 0 5.524 5.275/6.164 5.708 ± 0.5328
ea16 1342 1342/1342 1342 ± 0 5.7 5.418/6.051 5.756 ± 0.4328
ea17 1342 1342/1342 1342 ± 0 6.225 6.033/6.829 6.412 ± 0.459
ea18 1342 1342/1342 1342 ± 0 4.54 4.328/4.79 4.576 ± 0.3007
ea19 1342 1342/1342 1342 ± 0 5.739 5.666/6.488 6.035 ± 0.4844
ea20 1342 1342/1342 1342 ± 0 5.712 5.455/6.483 5.893 ± 0.5152
ea21 1342 1342/1342 1342 ± 0 5.641 5.379/6.069 5.757 ± 0.4118
ea22 1342 1342/1342 1342 ± 0 5.801 5.608/6.306 5.89 ± 0.4545
ea23 1342 1342/1342 1342 ± 0 5.762 5.602/6.362 5.99 ± 0.5595
ea24 1342 1342/1342 1342 ± 0 5.743 5.288/6.272 5.725 ± 0.4993
ea25 1342 1342/1342 1342 ± 0 5.357 5.084/5.581 5.458 ± 0.4286
ea26 1342 1342/1342 1342 ± 0 5.7 5.618/6.536 5.97 ± 0.4655
ea27 1342 1342/1342 1342 ± 0 5.526 5.394/6.324 5.793 ± 0.515
ea28 1342 1342/1342 1342 ± 0.000002698 5.587 5.473/6.318 5.863 ± 0.5334
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 ± 0.00002306 5.645 5.518/5.84 5.602 ± 0.3382
4 1342 1342/1342 1342 ± 0.00002556 5.375 5.144/5.611 5.374 ± 0.4851
5 1342 1342/1342 1342 ± 0.00002306 5.512 5.302/5.713 5.463 ± 0.3758
6 1342 1342/1342 1342 ± 0.00002306 5.391 5.3/5.613 5.376 ± 0.3139
7 1342 1342/1342 1342 ± 0.00002306 5.372 5.208/5.567 5.351 ± 0.3159
8 1342 1342/1342 1342 ± 0.00002306 5.343 5.066/5.522 5.282 ± 0.334
9 1342 1342/1342 1342 ± 0.00002306 5.57 5.44/5.71 5.513 ± 0.3569
10 1342 1342/1342 1342 ± 0.00002306 5.959 5.707/6.122 5.868 ± 0.3823
11 1342 1342/1342 1342 ± 0.00002306 6.172 6.016/6.289 6.044 ± 0.386
12 1342 1342/1342 1342 ± 0.00002306 6.275 6.055/6.366 6.149 ± 0.4275
13 1342 1342/1342 1342 ± 0.00002306 6.575 6.399/6.747 6.493 ± 0.4279
14 1342 1342/1342 1342 ± 0.00002306 6.719 6.462/6.859 6.624 ± 0.4128
15 1342 1342/1342 1342 ± 0.00002306 6.443 6.233/6.593 6.344 ± 0.425
16 1342 1342/1342 1342 ± 0.00003301 5.531 5.29/5.762 5.537 ± 0.3785
17 1342 1342/1342 1342 ± 0.00003378 5.425 5.176/5.705 5.415 ± 0.3556
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-05-14 09:32:36.716
End
2025-05-14 10:34:03.911
Duration
1:01:27.196
Note, WebLog generation is not included in the time.

CASA logs for stage 8