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 6.301 5.873/6.923 6.38 ± 0.8027
ea03 1342 1342/1342 1342 ± 0.000006181 5.651 5.123/6.577 5.762 ± 0.8904
ea04 1342 1342/1342 1342 ± 0 5.768 5.312/6.47 5.866 ± 0.8237
ea05 1342 1342/1342 1342 ± 0 6.346 5.666/7.095 6.384 ± 0.8073
ea06 1342 1342/1342 1342 ± 0 6.19 5.616/6.659 6.157 ± 0.7749
ea07 1342 1342/1342 1342 ± 0 6.113 5.471/6.517 6.065 ± 0.7874
ea08 1342 1342/1342 1342 ± 0.000001121 6.212 5.534/6.88 6.21 ± 0.8206
ea09 1342 1342/1342 1342 ± 0 6.156 5.576/6.866 6.214 ± 0.8845
ea10 1342 1342/1342 1342 ± 0 6.324 5.692/7.157 6.314 ± 0.9152
ea11 1342 1342/1342 1342 ± 0 6.389 5.453/6.853 6.247 ± 0.8316
ea12 1342 1342/1342 1342 ± 0 6.567 5.762/6.976 6.471 ± 0.8532
ea13 1342 1342/1342 1342 ± 0 5.782 5.705/6.376 6.043 ± 0.5039
ea14 1342 1342/1342 1342 ± 0 6.364 5.734/7.01 6.373 ± 0.9116
ea15 1342 1342/1342 1342 ± 0 5.888 5.419/6.485 5.952 ± 0.7804
ea16 1342 1342/1342 1342 ± 0 6.535 5.943/7.071 6.481 ± 0.8907
ea17 1342 1342/1342 1342 ± 0 6.889 6.296/7.876 7.004 ± 0.8592
ea18 1342 1342/1342 1342 ± 0 5.203 4.779/5.571 5.243 ± 0.4939
ea19 1342 1342/1342 1342 ± 0 6.463 5.929/7.157 6.521 ± 0.9003
ea20 1342 1342/1342 1342 ± 0 5.93 5.615/6.707 6.098 ± 0.8278
ea21 1342 1342/1342 1342 ± 0 5.436 5.169/6.028 5.629 ± 0.5357
ea22 1342 1342/1342 1342 ± 0 6.41 5.451/6.8 6.185 ± 0.7609
ea23 1342 1342/1342 1342 ± 0 6.326 5.791/6.92 6.438 ± 0.7699
ea24 1342 1342/1342 1342 ± 0 6.2 5.36/6.645 6.025 ± 0.6563
ea25 1342 1342/1342 1342 ± 0 6.813 5.75/7.227 6.608 ± 0.8983
ea26 1342 1342/1342 1342 ± 0 6.754 6.151/7.522 6.765 ± 0.8886
ea27 1342 1342/1342 1342 ± 0 6.166 5.683/7.061 6.276 ± 0.809
ea28 1342 1342/1342 1342 ± 0 6.294 5.889/7.117 6.515 ± 0.7909
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 5.629 5.397/5.874 5.62 ± 0.338
3 1342 1342/1342 1342 ± 0.00002383 5.263 5.024/5.4 5.241 ± 0.3155
4 1342 1342/1342 1342 ± 0.00003152 4.318 4.218/4.42 4.382 ± 0.2808
5 1342 1342/1342 1342 ± 0.00002307 5.729 5.36/5.851 5.636 ± 0.3498
6 1342 1342/1342 1342 ± 0.00002307 5.61 5.472/5.862 5.605 ± 0.3159
7 1342 1342/1342 1342 ± 0.00002307 5.701 5.445/5.806 5.653 ± 0.3188
8 1342 1342/1342 1342 ± 0.00002307 5.604 5.355/5.834 5.581 ± 0.355
9 1342 1342/1342 1342 ± 0.00002307 5.938 5.667/6.174 5.893 ± 0.3557
10 1342 1342/1342 1342 ± 0.00002307 6.57 6.298/6.69 6.464 ± 0.3615
11 1342 1342/1342 1342 ± 0.00002307 6.794 6.533/6.943 6.712 ± 0.3802
12 1342 1342/1342 1342 ± 0.00002307 6.916 6.638/7.075 6.839 ± 0.4521
13 1342 1342/1342 1342 ± 0.00002307 7.428 7.146/7.758 7.378 ± 0.4882
14 1342 1342/1342 1342 ± 0.00002307 7.651 7.253/7.916 7.579 ± 0.4981
15 1342 1342/1342 1342 ± 0.00002307 7.192 6.859/7.478 7.171 ± 0.4552
16 1342 1342/1342 1342 ± 0.00002307 6.439 6.288/6.925 6.506 ± 0.4556
17 1342 1342/1342 1342 ± 0.00002307 6.504 6.244/6.833 6.459 ± 0.4648
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
Start time
2025-06-11 08:00:04.453
End
2025-06-11 09:15:09.363
Duration
1:15:04.910
Note, WebLog generation is not included in the time.

CASA logs for stage 8