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 6.168 5.85/6.723 6.305 ± 0.562
ea02 1342 1342/1342 1342 ± 0 6.219 5.88/6.944 6.392 ± 0.6339
ea03 1342 1342/1342 1342 ± 0 5.486 5.221/6.58 5.793 ± 0.6778
ea04 1342 1342/1342 1342 ± 0 5.925 5.43/6.525 6.026 ± 0.6313
ea06 1342 1342/1342 1342 ± 0 6.274 5.622/6.558 6.172 ± 0.5909
ea07 1342 1342/1342 1342 ± 0 5.951 5.423/6.081 5.91 ± 0.4765
ea08 1342 1342/1342 1342 ± 0 6.258 5.869/6.975 6.48 ± 0.5927
ea09 1342 1342/1342 1342 ± 0 6.109 5.59/6.819 6.2 ± 0.6517
ea10 1342 1342/1342 1342 ± 0 5.949 5.63/6.69 6.143 ± 0.5727
ea11 1342 1342/1342 1342 ± 0 6.312 5.756/6.906 6.406 ± 0.6672
ea12 1342 1342/1342 1342 ± 0 6.247 5.778/6.834 6.348 ± 0.6337
ea13 1342 1342/1342 1342 ± 0 6.238 5.801/6.718 6.374 ± 0.5425
ea14 1342 1342/1342 1342 ± 0 6.262 5.694/6.687 6.245 ± 0.6616
ea15 1342 1342/1342 1342 ± 0 6.141 5.557/6.631 6.139 ± 0.6738
ea16 1342 1342/1342 1342 ± 0 6.277 5.805/6.702 6.331 ± 0.6063
ea17 1342 1342/1342 1342 ± 0 6.64 6.318/7.482 6.837 ± 0.6291
ea18 1342 1342/1342 1342 ± 0 4.934 4.611/5.289 4.965 ± 0.4033
ea19 1342 1342/1342 1342 ± 0 6.336 5.938/7.01 6.484 ± 0.6229
ea20 1342 1342/1342 1342 ± 0 6.075 5.885/7.019 6.383 ± 0.6056
ea21 1342 1342/1342 1342 ± 0.000003715 5.963 5.717/6.656 6.218 ± 0.5592
ea22 1342 1342/1342 1342 ± 0 6.48 5.722/6.849 6.354 ± 0.6199
ea23 1342 1342/1342 1342 ± 0 6.238 5.872/6.893 6.446 ± 0.6672
ea24 1342 1342/1342 1342 ± 0 6.179 5.474/6.696 6.06 ± 0.6104
ea25 1342 1342/1342 1342 ± 0 6.167 5.432/6.389 6.059 ± 0.6932
ea26 1342 1342/1342 1342 ± 0 6.385 5.791/7.053 6.413 ± 0.6346
ea27 1342 1342/1342 1342 ± 0 5.906 5.771/6.931 6.257 ± 0.6453
ea28 1342 1342/1342 1342 ± 0 5.959 5.731/6.841 6.288 ± 0.643
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 ± 0.00002308 5.736 5.622/5.883 5.709 ± 0.3175
4 1342 1342/1342 1342 ± 0.00002467 5.569 5.236/5.674 5.477 ± 0.4274
5 1342 1342/1342 1342 ± 0.00002308 5.771 5.493/6.002 5.722 ± 0.3701
6 1342 1342/1342 1342 ± 0.00002308 5.631 5.502/5.843 5.628 ± 0.3143
7 1342 1342/1342 1342 ± 0.00002308 5.712 5.551/5.868 5.683 ± 0.305
8 1342 1342/1342 1342 ± 0.00002308 5.641 5.411/5.796 5.625 ± 0.3207
9 1342 1342/1342 1342 ± 0.00002308 5.954 5.81/6.099 5.924 ± 0.3443
10 1342 1342/1342 1342 ± 0.00002308 6.416 6.2/6.572 6.35 ± 0.3546
11 1342 1342/1342 1342 ± 0.00002308 6.637 6.449/6.763 6.567 ± 0.3671
12 1342 1342/1342 1342 ± 0.00002308 6.727 6.599/6.915 6.707 ± 0.3909
13 1342 1342/1342 1342 ± 0.00002308 7.206 6.98/7.38 7.15 ± 0.4102
14 1342 1342/1342 1342 ± 0.00002308 7.436 7.227/7.539 7.348 ± 0.397
15 1342 1342/1342 1342 ± 0.00002308 7.039 6.835/7.204 6.977 ± 0.3987
16 1342 1342/1342 1342 ± 0.00002308 6.277 5.997/6.417 6.212 ± 0.3801
17 1342 1342/1342 1342 ± 0.00002323 6.248 6.011/6.362 6.163 ± 0.3487
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
Start time
2025-05-14 09:33:10.763
End
2025-05-14 10:44:12.173
Duration
1:11:01.410
Note, WebLog generation is not included in the time.

CASA logs for stage 8