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 6.327 5.906/6.943 6.411 ± 0.8132
ea03 1342 1342/1342 1342 ± 0.000008817 5.671 5.167/6.589 5.786 ± 0.8687
ea04 1342 1342/1342 1342 ± 0.000005095 5.777 5.303/6.473 5.873 ± 0.7987
ea05 1342 1342/1342 1342 ± 0 6.222 5.73/7.075 6.286 ± 0.8855
ea06 1342 1342/1342 1342 ± 0 6.196 5.71/6.655 6.181 ± 0.7431
ea07 1342 1342/1342 1342 ± 0 6.293 5.504/6.528 6.129 ± 0.7263
ea08 1342 1342/1342 1342 ± 0 6.168 5.542/6.852 6.202 ± 0.8367
ea09 1342 1342/1342 1342 ± 0 6.154 5.607/6.85 6.223 ± 0.8991
ea10 1342 1342/1342 1342 ± 0 6.28 5.714/7.099 6.312 ± 0.9026
ea11 1342 1342/1342 1342 ± 0 6.369 5.482/6.836 6.174 ± 0.9085
ea12 1342 1342/1342 1342 ± 0 6.574 5.78/6.957 6.415 ± 0.9048
ea13 1342 1342/1342 1342 ± 0 5.863 5.796/6.412 6.102 ± 0.5071
ea14 1342 1342/1342 1342 ± 0 6.362 5.781/7.023 6.382 ± 0.8956
ea15 1342 1342/1342 1342 ± 0 5.884 5.432/6.482 5.963 ± 0.7568
ea16 1342 1342/1342 1342 ± 0 6.541 5.924/7.043 6.514 ± 0.8489
ea17 1342 1342/1342 1342 ± 0 6.822 6.292/7.84 6.97 ± 0.8668
ea18 1342 1342/1342 1342 ± 0 5.279 4.845/5.672 5.334 ± 0.5056
ea19 1342 1342/1342 1342 ± 0 6.759 5.929/7.308 6.578 ± 0.8373
ea20 1342 1342/1342 1342 ± 0 5.979 5.657/6.723 6.129 ± 0.8164
ea21 1342 1342/1342 1342 ± 0 5.514 5.201/6.065 5.627 ± 0.581
ea22 1342 1342/1342 1342 ± 0.00001311 6.407 5.48/6.755 6.15 ± 0.8038
ea23 1342 1342/1342 1342 ± 0 6.47 5.862/6.9 6.481 ± 0.7494
ea24 1342 1342/1342 1342 ± 0 6.143 5.387/6.632 5.973 ± 0.7251
ea25 1342 1342/1342 1342 ± 0 6.749 5.815/7.255 6.523 ± 0.9531
ea26 1342 1342/1342 1342 ± 0.000001301 6.751 6.092/7.496 6.615 ± 1.045
ea27 1342 1342/1342 1342 ± 0 6.205 5.675/7.003 6.216 ± 0.8654
ea28 1342 1342/1342 1342 ± 0 6.167 5.902/7.094 6.438 ± 0.8324
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 ± 0.00002307 5.714 5.426/5.893 5.662 ± 0.3344
3 1342 1342/1342 1342 ± 0.00002576 5.308 5.072/5.435 5.262 ± 0.3124
4 1342 1342/1342 1342 ± 0.00002716 4.386 4.224/4.481 4.419 ± 0.2742
5 1342 1342/1342 1342 ± 0.00002307 5.788 5.416/5.869 5.68 ± 0.3453
6 1342 1342/1342 1342 ± 0.00002307 5.685 5.471/5.873 5.632 ± 0.3083
7 1342 1342/1342 1342 ± 0.00002307 5.717 5.481/5.859 5.671 ± 0.3106
8 1342 1342/1342 1342 ± 0.00002307 5.583 5.342/5.85 5.595 ± 0.3483
9 1342 1342/1342 1342 ± 0.00002307 5.932 5.665/6.142 5.892 ± 0.34
10 1342 1342/1342 1342 ± 0.00002307 6.579 6.301/6.701 6.459 ± 0.3468
11 1342 1342/1342 1342 ± 0.00002307 6.773 6.534/6.958 6.695 ± 0.3588
12 1342 1342/1342 1342 ± 0.00002307 6.902 6.617/7.051 6.831 ± 0.4318
13 1342 1342/1342 1342 ± 0.00002307 7.409 7.118/7.764 7.382 ± 0.4662
14 1342 1342/1342 1342 ± 0.00002307 7.658 7.216/7.911 7.585 ± 0.474
15 1342 1342/1342 1342 ± 0.00002307 7.22 6.893/7.508 7.193 ± 0.4399
16 1342 1342/1342 1342 ± 0.00002307 6.481 6.3/6.959 6.536 ± 0.4436
17 1342 1342/1342 1342 ± 0.00002307 6.528 6.203/6.803 6.477 ± 0.4484
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
overwrite_modelcol
False
Start time
2025-06-11 06:04:19.692
End
2025-06-11 06:52:36.493
Duration
0:48:16.801
Note, WebLog generation is not included in the time.

CASA logs for stage 8