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 6.336 5.905/6.938 6.419 ± 0.7966
ea03 1342 1342/1342 1342 ± 0 5.714 5.162/6.581 5.792 ± 0.8714
ea04 1342 1342/1342 1342 ± 0 5.78 5.284/6.475 5.868 ± 0.8171
ea05 1342 1342/1342 1342 ± 0 6.205 5.69/6.95 6.283 ± 0.9008
ea06 1342 1342/1342 1342 ± 0 6.196 5.704/6.645 6.177 ± 0.754
ea07 1342 1342/1342 1342 ± 0 6.297 5.483/6.508 6.127 ± 0.7215
ea08 1342 1342/1342 1342 ± 0 6.253 5.534/6.859 6.19 ± 0.8529
ea09 1342 1342/1342 1342 ± 0 6.138 5.582/6.861 6.214 ± 0.9072
ea10 1342 1342/1342 1342 ± 0 6.279 5.699/7.097 6.308 ± 0.8997
ea11 1342 1342/1342 1342 ± 0 6.26 5.465/6.842 6.163 ± 0.9249
ea12 1342 1342/1342 1342 ± 0 6.337 5.765/6.938 6.391 ± 0.9206
ea13 1342 1342/1342 1342 ± 0 5.882 5.809/6.433 6.123 ± 0.5132
ea14 1342 1342/1342 1342 ± 0 6.363 5.768/7.038 6.382 ± 0.9021
ea15 1342 1342/1342 1342 ± 0 5.891 5.406/6.489 5.946 ± 0.7576
ea16 1342 1342/1342 1342 ± 0 6.526 5.907/7.072 6.52 ± 0.8502
ea17 1342 1342/1342 1342 ± 0 6.825 6.327/7.836 6.97 ± 0.8604
ea18 1342 1342/1342 1342 ± 0 5.304 4.857/5.7 5.348 ± 0.5032
ea19 1342 1342/1342 1342 ± 0 6.756 5.93/7.299 6.586 ± 0.822
ea20 1342 1342/1342 1342 ± 0 5.965 5.633/6.739 6.134 ± 0.821
ea21 1342 1342/1342 1342 ± 0 5.51 5.204/6.094 5.624 ± 0.5842
ea22 1342 1342/1342 1342 ± 0.000008351 6.106 5.488/6.713 6.139 ± 0.8151
ea23 1342 1342/1342 1342 ± 0 6.416 5.862/6.896 6.478 ± 0.7437
ea24 1342 1342/1342 1342 ± 0 6.227 5.388/6.646 5.974 ± 0.7352
ea25 1342 1342/1342 1342 ± 0 6.737 5.817/7.18 6.506 ± 0.9528
ea26 1342 1342/1342 1342 ± 0 6.755 6.076/7.523 6.591 ± 1.072
ea27 1342 1342/1342 1342 ± 0 6.033 5.615/7.007 6.194 ± 0.8696
ea28 1342 1342/1342 1342 ± 0 6.211 5.905/7.054 6.436 ± 0.8411
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 ± 0.00002305 5.714 5.412/5.866 5.65 ± 0.3288
3 1342 1342/1342 1342 ± 0.00002451 5.325 5.095/5.463 5.302 ± 0.3307
4 1342 1342/1342 1342 ± 0.00002653 4.364 4.198/4.431 4.395 ± 0.2717
5 1342 1342/1342 1342 ± 0.00002305 5.784 5.396/5.872 5.663 ± 0.3464
6 1342 1342/1342 1342 ± 0.00002305 5.667 5.439/5.881 5.627 ± 0.3076
7 1342 1342/1342 1342 ± 0.00002305 5.713 5.493/5.89 5.671 ± 0.3104
8 1342 1342/1342 1342 ± 0.00002305 5.563 5.342/5.841 5.595 ± 0.3435
9 1342 1342/1342 1342 ± 0.00002305 5.942 5.665/6.146 5.894 ± 0.3359
10 1342 1342/1342 1342 ± 0.00002305 6.596 6.314/6.678 6.464 ± 0.3405
11 1342 1342/1342 1342 ± 0.00002305 6.787 6.532/6.966 6.703 ± 0.3593
12 1342 1342/1342 1342 ± 0.00002305 6.901 6.618/7.074 6.843 ± 0.4278
13 1342 1342/1342 1342 ± 0.00002305 7.403 7.127/7.784 7.389 ± 0.4633
14 1342 1342/1342 1342 ± 0.00002305 7.638 7.246/7.905 7.593 ± 0.4683
15 1342 1342/1342 1342 ± 0.00002305 7.168 6.865/7.486 7.177 ± 0.437
16 1342 1342/1342 1342 ± 0.00002305 6.451 6.311/6.929 6.535 ± 0.4404
17 1342 1342/1342 1342 ± 0.00002305 6.504 6.279/6.803 6.479 ± 0.4355
statwtmode
VLASS-SE
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-06-15 23:31:08.031
End
2025-06-16 00:03:53.560
Duration
0:32:45.529
Note, WebLog generation is not included in the time.

CASA logs for stage 8