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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.418 5.294/5.931 5.671 ± 0.4898
ea02 1342 1342/1342 1342 ± 0 5.855 5.439/6.407 5.969 ± 0.6145
ea04 1342 1342/1342 1342 ± 0 5.384 5.08/6.067 5.583 ± 0.5623
ea05 1342 1342/1342 1342 ± 0 5.677 5.26/6.123 5.745 ± 0.5734
ea06 1342 1342/1342 1342 ± 0 4.859 4.634/5.204 4.94 ± 0.3601
ea07 1342 1342/1342 1342 ± 0 5.944 5.5/6.208 5.963 ± 0.5188
ea08 1342 1342/1342 1342 ± 0 5.819 5.576/6.564 6.064 ± 0.6223
ea09 1342 1342/1342 1342 ± 0 5.718 5.228/6.218 5.763 ± 0.5818
ea10 1342 1342/1342 1342 ± 0.000002165 5.827 5.328/6.418 5.874 ± 0.6003
ea11 1342 1342/1342 1342 ± 0.00000337 5.834 5.139/6.217 5.781 ± 0.6201
ea12 1342 1342/1342 1342 ± 0 6.219 6.078/6.67 6.33 ± 0.3941
ea13 1342 1342/1342 1342 ± 0 6.152 5.805/6.446 6.148 ± 0.4949
ea14 1342 1342/1342 1342 ± 0 5.879 5.273/6.265 5.843 ± 0.5778
ea15 1342 1342/1342 1342 ± 0 5.561 5.093/6.25 5.733 ± 0.6997
ea16 1342 1342/1342 1342 ± 0 6.081 5.615/6.587 6.167 ± 0.6616
ea17 1342 1342/1342 1342 ± 0.00001024 5.901 5.528/6.55 6.09 ± 0.6296
ea18 1342 1342/1342 1342 ± 0 5.075 4.731/5.56 5.134 ± 0.4988
ea19 1342 1342/1342 1342 ± 0 6.067 5.423/6.545 6.034 ± 0.5911
ea20 1342 1342/1342 1342 ± 0 5.976 5.594/6.534 6.113 ± 0.5995
ea21 1342 1342/1342 1342 ± 0 5.593 5.295/6.122 5.724 ± 0.5179
ea22 1342 1342/1342 1342 ± 0 5.655 5.328/6.327 5.841 ± 0.5985
ea23 1342 1342/1342 1342 ± 0 6.146 5.508/6.579 6.094 ± 0.6341
ea25 1342 1342/1342 1342 ± 0.000005439 5.558 5.248/5.987 5.657 ± 0.5391
ea26 1342 1342/1342 1342 ± 0 6.363 5.725/6.795 6.209 ± 0.6232
ea27 1342 1342/1342 1342 ± 0.00000852 5.523 5.304/6.244 5.718 ± 0.5447
ea28 1342 1342/1342 1342 ± 0.000001762 5.676 5.385/6.342 5.838 ± 0.5946
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 ± 0.00002396 5.393 5.243/5.657 5.404 ± 0.2884
3 1342 1342/1342 1342 ± 0.00002583 5.18 5.056/5.447 5.214 ± 0.2913
4 1342 1342/1342 1342 ± 0.00002665 5.19 5.024/5.322 5.166 ± 0.274
5 1342 1342/1342 1342 ± 0.00002396 5.356 5.138/5.536 5.341 ± 0.34
6 1342 1342/1342 1342 ± 0.00002396 5.351 5.092/5.444 5.296 ± 0.3101
7 1342 1342/1342 1342 ± 0.00002396 5.35 5.149/5.496 5.331 ± 0.268
8 1342 1342/1342 1342 ± 0.00002396 5.374 5.132/5.448 5.29 ± 0.2829
9 1342 1342/1342 1342 ± 0.00002396 5.612 5.403/5.854 5.566 ± 0.33
10 1342 1342/1342 1342 ± 0.00002352 6.008 5.798/6.146 5.952 ± 0.3275
11 1342 1342/1342 1342 ± 0.00002352 6.264 6.075/6.347 6.165 ± 0.3242
12 1342 1342/1342 1342 ± 0.00002352 6.335 6.181/6.556 6.325 ± 0.3465
13 1342 1342/1342 1342 ± 0.00002352 6.812 6.621/7 6.758 ± 0.3541
14 1342 1342/1342 1342 ± 0.00002352 7.002 6.792/7.224 6.949 ± 0.4005
15 1342 1342/1342 1342 ± 0.00002352 6.39 6.259/6.643 6.397 ± 0.3809
16 1342 1342/1342 1342 ± 0.0000242 5.935 5.764/6.223 5.967 ± 0.3544
17 1342 1342/1342 1342 ± 0.00002365 5.974 5.821/6.265 5.988 ± 0.3377
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
Start time
2024-05-01 08:18:58.308
End
2024-05-01 09:07:32.783
Duration
0:48:34.475
Note, WebLog generation is not included in the time.

CASA logs for stage 7