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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.335 5.147/6.14 5.529 ± 0.7304
ea02 1342 1342/1342 1342 ± 0.00004418 5.795 5.23/6.68 5.918 ± 0.8835
ea04 1342 1342/1342 1342 ± 0.00001887 5.562 4.933/6.061 5.479 ± 0.7819
ea05 1342 1342/1342 1342 ± 0.000009585 6.011 5.078/6.397 5.804 ± 0.8136
ea06 1342 1342/1342 1342 ± 0.00002915 4.96 4.499/5.27 4.861 ± 0.5298
ea07 1342 1342/1342 1342 ± 0.00004142 5.855 5.261/6.384 5.883 ± 0.9131
ea08 1342 1342/1342 1342 ± 0.00004404 5.807 5.382/6.816 6.066 ± 1.01
ea09 1342 1342/1342 1342 ± 0.00002431 5.752 5.062/6.552 5.759 ± 0.7977
ea10 1342 1342/1342 1342 ± 0.00004298 5.656 5.122/6.705 5.792 ± 0.9816
ea11 1342 1342/1342 1342 ± 0.00004376 5.631 5.084/6.496 5.79 ± 0.9218
ea12 1342 1342/1342 1342 ± 0.00003643 5.95 5.172/6.526 5.778 ± 0.886
ea13 1342 1342/1342 1342 ± 0.0000102 6.001 5.541/6.383 5.981 ± 0.7037
ea14 1342 1342/1342 1342 ± 0.00003787 5.58 5.209/6.519 5.769 ± 0.9011
ea15 1342 1342/1342 1342 ± 0.00001105 5.275 4.969/6.24 5.575 ± 0.8832
ea16 1342 1342/1342 1342 ± 0.00002277 5.935 5.465/6.924 6.075 ± 1.008
ea17 1342 1342/1342 1342 ± 0.00004404 5.645 5.504/6.893 5.943 ± 0.9643
ea18 1342 1342/1342 1342 ± 0.0000434 5.125 4.657/5.65 5.103 ± 0.6525
ea19 1342 1342/1342 1342 ± 0.0000232 6.144 5.535/6.776 6.116 ± 0.8892
ea20 1342 1342/1342 1342 ± 0.00004384 6.176 5.646/6.782 6.092 ± 0.9798
ea21 1342 1342/1342 1342 ± 0.00003017 5.652 5.341/6.468 5.77 ± 0.8722
ea22 1342 1342/1342 1342 ± 0.00003413 5.235 4.933/6.392 5.626 ± 0.7732
ea23 1342 1342/1342 1342 ± 0.00004321 5.733 5.378/6.719 5.95 ± 1.021
ea25 1342 1342/1342 1342 ± 0.00004357 5.493 5.128/6.189 5.61 ± 0.8293
ea26 1342 1342/1342 1342 ± 0.00002366 5.945 5.64/6.945 6.15 ± 0.8562
ea27 1342 1342/1342 1342 ± 0.00004367 5.532 5.257/6.503 5.71 ± 0.8658
ea28 1342 1342/1342 1342 ± 0.00004405 5.801 5.309/6.6 5.874 ± 0.9422
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 ± 0.0000235 5.607 5.34/5.885 5.621 ± 0.3323
5 1342 1342/1342 1342 ± 0.00004232 5.463 5.178/5.732 5.441 ± 0.3237
6 1342 1342/1342 1342 ± 0.0000235 5.203 5.008/5.393 5.175 ± 0.2851
7 1342 1342/1342 1342 ± 0.0000235 5.22 5.087/5.384 5.227 ± 0.2781
8 1342 1342/1342 1342 ± 0.0000235 5.33 5.063/5.408 5.221 ± 0.2975
9 1342 1342/1342 1342 ± 0.00002364 5.554 5.275/5.734 5.483 ± 0.3284
10 1342 1342/1342 1342 ± 0.0000235 6.076 5.914/6.263 6.033 ± 0.3327
11 1342 1342/1342 1342 ± 0.0000235 6.405 6.188/6.501 6.32 ± 0.3525
12 1342 1342/1342 1342 ± 0.0000235 6.577 6.378/6.723 6.518 ± 0.3801
13 1342 1342/1342 1342 ± 0.0000235 7.039 6.727/7.202 6.945 ± 0.4214
14 1342 1342/1342 1342 ± 0.0000235 7.247 6.996/7.451 7.149 ± 0.4648
15 1342 1342/1342 1342 ± 0.00002377 6.541 6.265/6.904 6.518 ± 0.5193
16 1342 1342/1342 1342 ± 0.00005689 4.353 4.207/4.579 4.384 ± 0.2387
17 1342 1342/1342 1342 ± 0.00005918 4.402 4.262/4.629 4.458 ± 0.2814
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
Start time
2024-11-02 21:02:14.902
End
2024-11-02 22:03:57.697
Duration
1:01:42.796
Note, WebLog generation is not included in the time.

CASA logs for stage 8