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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.673 5.33/6.14 5.747 ± 0.5401
ea02 1342 1342/1342 1342 ± 0.000006066 5.84 5.487/6.535 6.015 ± 0.6536
ea04 1342 1342/1342 1342 ± 0.00001776 5.48 5.178/6.079 5.63 ± 0.5034
ea05 1342 1342/1342 1342 ± 0 5.862 5.488/6.473 5.91 ± 0.5579
ea06 1342 1342/1342 1342 ± 0 5.659 5.166/5.986 5.628 ± 0.4906
ea07 1342 1342/1342 1342 ± 0 5.233 5.051/5.633 5.318 ± 0.2674
ea08 1342 1342/1342 1342 ± 0.00002571 5.934 5.656/6.673 6.162 ± 0.6558
ea09 1342 1342/1342 1342 ± 0 5.436 5.03/5.938 5.471 ± 0.4787
ea10 1342 1342/1342 1342 ± 0.00003677 5.352 5.101/6.096 5.54 ± 0.5645
ea11 1342 1342/1342 1342 ± 0.000002295 5.78 5.444/6.455 5.956 ± 0.6047
ea13 1342 1342/1342 1342 ± 0 6.046 5.772/6.195 6.093 ± 0.4513
ea14 1342 1342/1342 1342 ± 0.00001764 5.86 5.496/6.482 5.971 ± 0.6338
ea15 1342 1342/1342 1342 ± 0 5.93 5.473/6.428 6.028 ± 0.6734
ea16 1342 1342/1342 1342 ± 0 6.103 5.632/6.633 6.145 ± 0.6701
ea17 1342 1342/1342 1342 ± 0.00001892 5.648 5.464/5.839 5.649 ± 0.2219
ea18 1342 1342/1342 1342 ± 0.000003245 5.175 4.867/5.665 5.237 ± 0.4851
ea19 1342 1342/1342 1342 ± 0 5.785 5.685/5.863 5.775 ± 0.1289
ea20 1342 1342/1342 1342 ± 0 6.206 5.77/6.81 6.225 ± 0.6031
ea21 1342 1342/1342 1342 ± 0 5.636 5.487/6.281 5.88 ± 0.5097
ea22 1342 1342/1342 1342 ± 0 5.72 5.262/6.403 5.83 ± 0.6416
ea23 1342 1342/1342 1342 ± 0.000004678 5.665 5.587/6.542 6.027 ± 0.6439
ea24 1342 1342/1342 1342 ± 0 5.779 5.067/6.186 5.613 ± 0.5742
ea25 1342 1342/1342 1342 ± 0.00001188 5.498 5.392/6.216 5.748 ± 0.5651
ea26 1342 1342/1342 1342 ± 0 6.197 5.782/6.867 6.265 ± 0.6516
ea27 1342 1342/1342 1342 ± 0.00001182 5.516 5.244/5.629 5.422 ± 0.2378
ea28 1342 1342/1342 1342 ± 0.00003788 5.669 5.511/6.477 5.938 ± 0.6348
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 ± 0.00002363 5.538 5.324/5.678 5.496 ± 0.261
3 1342 1342/1342 1342 ± 0.00002775 5.077 4.888/5.298 5.124 ± 0.3549
4 1342 1342/1342 1342 ± 0.00004038 5.301 5.042/5.39 5.23 ± 0.2837
5 1342 1342/1342 1342 ± 0.00002363 5.48 5.281/5.651 5.471 ± 0.2972
6 1342 1342/1342 1342 ± 0.00002363 5.459 5.199/5.618 5.408 ± 0.2638
7 1342 1342/1342 1342 ± 0.00002363 5.47 5.188/5.608 5.427 ± 0.2589
8 1342 1342/1342 1342 ± 0.00002363 5.419 5.084/5.567 5.36 ± 0.2898
9 1342 1342/1342 1342 ± 0.00002368 5.694 5.416/5.896 5.635 ± 0.3089
10 1342 1342/1342 1342 ± 0.00002562 6.052 5.858/6.172 5.983 ± 0.3131
11 1342 1342/1342 1342 ± 0.00002562 6.206 6.009/6.408 6.2 ± 0.2999
12 1342 1342/1342 1342 ± 0.00002562 6.401 6.149/6.535 6.339 ± 0.2946
13 1342 1342/1342 1342 ± 0.00002562 6.842 6.398/6.994 6.748 ± 0.3534
14 1342 1342/1342 1342 ± 0.00002562 7.08 6.592/7.26 6.962 ± 0.3793
15 1342 1342/1342 1342 ± 0.00002562 6.724 6.337/6.919 6.627 ± 0.3817
16 1342 1342/1342 1342 ± 0.00004185 5.726 5.594/6.01 5.783 ± 0.3188
17 1342 1342/1342 1342 ± 0.00003886 5.833 5.593/6.105 5.835 ± 0.305
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-04-13 05:15:31.123
End
2024-04-13 06:17:05.510
Duration
1:01:34.387
Note, WebLog generation is not included in the time.

CASA logs for stage 7