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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.854 5.504/6.385 5.973 ± 0.5797
ea02 1342 1342/1342 1342 ± 0 5.959 5.449/6.679 6.103 ± 0.6678
ea04 1342 1342/1342 1342 ± 0.000008785 5.424 4.915/5.942 5.467 ± 0.6147
ea05 1342 1342/1342 1342 ± 0.00001918 5.806 5.023/6.318 5.623 ± 0.6691
ea06 1342 1342/1342 1342 ± 0 4.774 4.393/5.219 4.796 ± 0.4403
ea07 1342 1342/1342 1342 ± 0 6.186 5.554/6.472 6.163 ± 0.6187
ea08 1342 1342/1342 1342 ± 0.000006648 6.037 5.667/6.903 6.277 ± 0.7081
ea09 1342 1342/1342 1342 ± 0 5.497 5.105/6.395 5.669 ± 0.6697
ea10 1342 1342/1342 1342 ± 0.000002726 6.045 5.415/6.923 6.124 ± 0.751
ea11 1342 1342/1342 1342 ± 0 6.106 5.301/6.598 6.029 ± 0.7039
ea12 1342 1342/1342 1342 ± 0 5.852 5.231/6.391 5.891 ± 0.6578
ea13 1342 1342/1342 1342 ± 0 5.985 5.438/6.213 5.94 ± 0.571
ea14 1342 1342/1342 1342 ± 0 6 5.207/6.421 5.892 ± 0.6874
ea15 1342 1342/1342 1342 ± 0 5.571 4.789/6.084 5.531 ± 0.7517
ea16 1342 1342/1342 1342 ± 0 6.159 5.506/6.712 6.243 ± 0.7765
ea17 1342 1342/1342 1342 ± 0.00001682 6.213 5.668/7.019 6.324 ± 0.7009
ea18 1342 1342/1342 1342 ± 0 5.211 4.767/5.731 5.263 ± 0.547
ea19 1342 1342/1342 1342 ± 0 5.601 5.342/6.645 6.043 ± 0.7432
ea20 1342 1342/1342 1342 ± 0 6.325 5.704/6.859 6.239 ± 0.6754
ea21 1342 1342/1342 1342 ± 0 5.779 5.162/6.299 5.763 ± 0.6424
ea22 1342 1342/1342 1342 ± 0 5.507 5.216/6.353 5.744 ± 0.6404
ea23 1342 1342/1342 1342 ± 0 6.225 5.523/6.762 6.232 ± 0.7298
ea25 1342 1342/1342 1342 ± 0 5.864 5.371/6.429 5.915 ± 0.6367
ea26 1342 1342/1342 1342 ± 0 5.869 5.348/6.788 6.036 ± 0.7272
ea27 1342 1342/1342 1342 ± 0.00002423 5.742 5.504/6.7 5.969 ± 0.6958
ea28 1342 1342/1342 1342 ± 0.00001919 5.81 5.622/6.787 6.131 ± 0.6992
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 ± 0.00002357 5.356 5.038/5.55 5.301 ± 0.339
3 1342 1342/1342 1342 ± 0.00002541 5.201 5.052/5.409 5.178 ± 0.2996
4 1342 1342/1342 1342 ± 0.00003061 5.294 4.831/5.416 5.197 ± 0.3336
5 1342 1342/1342 1342 ± 0.00002357 5.268 5.072/5.557 5.3 ± 0.3891
6 1342 1342/1342 1342 ± 0.00002357 5.334 5.05/5.511 5.25 ± 0.3471
7 1342 1342/1342 1342 ± 0.00002357 5.351 5.184/5.513 5.292 ± 0.3194
8 1342 1342/1342 1342 ± 0.00002357 5.363 5.119/5.557 5.282 ± 0.3545
9 1342 1342/1342 1342 ± 0.00002357 5.621 5.391/5.901 5.581 ± 0.4049
10 1342 1342/1342 1342 ± 0.00002365 6.158 5.855/6.33 6.061 ± 0.3724
11 1342 1342/1342 1342 ± 0.00002365 6.359 6.138/6.57 6.288 ± 0.3916
12 1342 1342/1342 1342 ± 0.00002357 6.483 6.327/6.742 6.472 ± 0.4148
13 1342 1342/1342 1342 ± 0.00002357 7.058 6.766/7.223 6.951 ± 0.4349
14 1342 1342/1342 1342 ± 0.00002357 7.214 6.878/7.471 7.123 ± 0.4744
15 1342 1342/1342 1342 ± 0.00002357 6.763 6.487/6.979 6.688 ± 0.4479
16 1342 1342/1342 1342 ± 0.00003055 5.974 5.786/6.217 5.971 ± 0.3747
17 1342 1342/1342 1342 ± 0.00002979 5.959 5.752/6.179 5.959 ± 0.3653
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
overwrite_modelcol
False
Start time
2025-01-07 04:23:41.638
End
2025-01-07 05:25:17.816
Duration
1:01:36.179
Note, WebLog generation is not included in the time.

CASA logs for stage 8