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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.034 5.758/6.814 6.232 ± 0.7648
ea03 1342 1342/1342 1342 ± 0.000001068 5.498 4.991/6.438 5.667 ± 0.8637
ea04 1342 1342/1342 1342 ± 0 5.641 5.201/6.455 5.82 ± 0.8129
ea05 1342 1342/1342 1342 ± 0 6.106 5.518/7.011 6.267 ± 0.7651
ea06 1342 1342/1342 1342 ± 0 6.082 5.422/6.594 6.036 ± 0.7725
ea07 1342 1342/1342 1342 ± 0 6.05 5.406/6.48 5.992 ± 0.8009
ea08 1342 1342/1342 1342 ± 0 5.881 5.38/6.747 5.994 ± 0.8482
ea09 1342 1342/1342 1342 ± 0 5.938 5.443/6.734 6.062 ± 0.8683
ea10 1342 1342/1342 1342 ± 0 6.399 5.552/7.076 6.26 ± 0.8503
ea11 1342 1342/1342 1342 ± 0 6.367 5.282/6.727 6.096 ± 0.8625
ea12 1342 1342/1342 1342 ± 0 6.466 5.589/6.891 6.315 ± 0.8719
ea13 1342 1342/1342 1342 ± 0 5.645 5.53/6.237 5.821 ± 0.6155
ea14 1342 1342/1342 1342 ± 0 6.182 5.587/6.869 6.216 ± 0.9017
ea15 1342 1342/1342 1342 ± 0 5.796 5.308/6.389 5.838 ± 0.7761
ea16 1342 1342/1342 1342 ± 0 6.401 5.734/6.947 6.274 ± 0.9294
ea17 1342 1342/1342 1342 ± 0 6.697 6.108/7.717 6.773 ± 0.9314
ea18 1342 1342/1342 1342 ± 0 5.149 4.676/5.522 5.161 ± 0.5148
ea19 1342 1342/1342 1342 ± 0 6.271 5.728/6.999 6.336 ± 0.9115
ea20 1342 1342/1342 1342 ± 0 5.92 5.411/6.617 5.973 ± 0.8356
ea21 1342 1342/1342 1342 ± 0 5.347 4.988/5.903 5.446 ± 0.5971
ea22 1342 1342/1342 1342 ± 0.000007896 6.325 5.376/6.71 6.043 ± 0.8093
ea23 1342 1342/1342 1342 ± 0 6.395 5.638/6.804 6.305 ± 0.7753
ea24 1342 1342/1342 1342 ± 0.00001965 5.798 5.231/6.59 5.787 ± 0.8285
ea25 1342 1342/1342 1342 ± 0 6.653 5.547/7.164 6.416 ± 0.9654
ea26 1342 1342/1342 1342 ± 0 6.391 5.886/7.378 6.535 ± 0.8775
ea27 1342 1342/1342 1342 ± 0 6.117 5.485/6.981 6.166 ± 0.7843
ea28 1342 1342/1342 1342 ± 0 6.078 5.747/7.008 6.346 ± 0.7988
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 5.47 5.222/5.693 5.446 ± 0.311
3 1342 1342/1342 1342 ± 0.00002797 5.067 4.858/5.251 5.055 ± 0.4002
4 1342 1342/1342 1342 ± 0.00002874 4.306 4.218/4.392 4.364 ± 0.2859
5 1342 1342/1342 1342 ± 0.00002308 5.545 5.228/5.678 5.464 ± 0.3239
6 1342 1342/1342 1342 ± 0.00002308 5.475 5.288/5.718 5.454 ± 0.305
7 1342 1342/1342 1342 ± 0.00002308 5.546 5.334/5.675 5.514 ± 0.2964
8 1342 1342/1342 1342 ± 0.00002308 5.48 5.233/5.674 5.462 ± 0.3362
9 1342 1342/1342 1342 ± 0.00002308 5.821 5.585/6.039 5.788 ± 0.3376
10 1342 1342/1342 1342 ± 0.00002308 6.42 6.191/6.553 6.339 ± 0.3435
11 1342 1342/1342 1342 ± 0.00002308 6.66 6.409/6.802 6.59 ± 0.3671
12 1342 1342/1342 1342 ± 0.00002308 6.809 6.494/6.981 6.734 ± 0.4366
13 1342 1342/1342 1342 ± 0.00002308 7.252 7.028/7.593 7.233 ± 0.4625
14 1342 1342/1342 1342 ± 0.00002308 7.489 7.141/7.721 7.421 ± 0.472
15 1342 1342/1342 1342 ± 0.00002308 7.078 6.78/7.37 7.056 ± 0.4323
16 1342 1342/1342 1342 ± 0.00002308 6.397 6.169/6.703 6.412 ± 0.4366
17 1342 1342/1342 1342 ± 0.00002308 6.391 6.057/6.567 6.317 ± 0.4886
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-06-12 13:59:11.491
End
2025-06-12 15:18:06.320
Duration
1:18:54.829
Note, WebLog generation is not included in the time.

CASA logs for stage 8