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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.36 5.232/6.221 5.591 ± 0.7818
ea02 1342 1342/1342 1342 ± 0.00003898 6.007 5.409/6.721 5.941 ± 0.9785
ea04 1342 1342/1342 1342 ± 0.00004111 5.426 5.107/6.116 5.491 ± 0.781
ea05 1342 1342/1342 1342 ± 0.00002096 5.483 5.109/6.527 5.705 ± 0.9193
ea06 1342 1342/1342 1342 ± 0.00004015 5.114 4.811/5.885 5.265 ± 0.7065
ea07 1342 1342/1342 1342 ± 0.00003873 5.857 5.351/6.244 5.74 ± 0.8134
ea09 1342 1342/1342 1342 ± 0.00003009 5.484 5.076/6.161 5.421 ± 0.8106
ea10 1342 1342/1342 1342 ± 0.0000382 5.244 4.796/5.877 5.255 ± 0.7153
ea11 1342 1342/1342 1342 ± 0.00004035 6.011 5.431/6.562 5.855 ± 0.8943
ea12 1342 1342/1342 1342 ± 0.00004274 5.729 5.506/6.696 5.848 ± 0.9585
ea13 1342 1342/1342 1342 ± 0.00001701 5.736 5.606/6.329 5.815 ± 0.8987
ea14 1342 1342/1342 1342 ± 0.00003515 5.631 5.366/6.678 5.895 ± 0.9622
ea15 1342 1342/1342 1342 ± 0.00004058 5.699 5.411/6.54 5.807 ± 0.935
ea16 1342 1342/1342 1342 ± 0.0000299 5.878 5.449/6.847 5.972 ± 1.103
ea17 1342 1342/1342 1342 ± 0.00004027 5.95 5.439/6.884 5.981 ± 0.9456
ea18 1342 1342/1342 1342 ± 0.00004164 5.066 4.864/5.777 5.144 ± 0.6771
ea19 1342 1342/1342 1342 ± 0.00001715 5.732 5.51/6.865 5.976 ± 1.019
ea20 1342 1342/1342 1342 ± 0.00004266 6.061 5.966/6.944 6.155 ± 0.9944
ea21 1342 1342/1342 1342 ± 0.00003194 5.598 5.292/6.417 5.717 ± 0.939
ea22 1342 1342/1342 1342 ± 0.00003985 5.472 5.103/6.529 5.68 ± 0.9748
ea23 1342 1342/1342 1342 ± 0.00003734 5.946 5.504/6.688 5.941 ± 0.917
ea24 1342 1342/1342 1342 ± 0.00002034 5.241 4.795/6.24 5.431 ± 0.8422
ea25 1342 1342/1342 1342 ± 0.00003973 5.696 5.276/6.442 5.685 ± 0.8384
ea26 1342 1342/1342 1342 ± 0.00003158 5.807 5.665/6.885 6.035 ± 1.028
ea27 1342 1342/1342 1342 ± 0.00003957 5.653 5.262/6.486 5.749 ± 0.836
ea28 1342 1342/1342 1342 ± 0.00004022 5.717 5.504/6.705 5.939 ± 0.863
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 ± 0.00002389 5.404 5.214/5.6 5.362 ± 0.3281
6 1342 1342/1342 1342 ± 0.00002389 5.348 5.097/5.511 5.315 ± 0.2638
7 1342 1342/1342 1342 ± 0.00002389 5.379 5.196/5.507 5.351 ± 0.275
8 1342 1342/1342 1342 ± 0.00002389 5.395 5.106/5.504 5.334 ± 0.3165
9 1342 1342/1342 1342 ± 0.00002389 5.657 5.305/5.854 5.606 ± 0.3066
10 1342 1342/1342 1342 ± 0.00002411 5.962 5.814/6.07 5.918 ± 0.2674
11 1342 1342/1342 1342 ± 0.00002416 6.373 6.025/6.466 6.263 ± 0.2912
12 1342 1342/1342 1342 ± 0.00002389 6.537 6.247/6.709 6.533 ± 0.3387
13 1342 1342/1342 1342 ± 0.00002411 6.68 6.412/6.982 6.639 ± 0.4479
14 1342 1342/1342 1342 ± 0.00002432 6.99 6.604/7.221 6.904 ± 0.4198
15 1342 1342/1342 1342 ± 0.00003694 6.704 6.404/6.974 6.597 ± 0.6491
16 1342 1342/1342 1342 ± 0.0000537 3.889 3.78/4.004 3.893 ± 0.1685
17 1342 1342/1342 1342 ± 0.00004838 4.019 3.854/4.191 4.028 ± 0.2779
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2024-05-17 13:05:58.408
End
2024-05-17 14:01:10.698
Duration
0:55:12.290
Note, WebLog generation is not included in the time.

CASA logs for stage 8