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 5.46 5.372/6.207 5.685 ± 0.7902
ea02 1342 1342/1342 1342 ± 0.00003413 6.1 5.498/6.801 6.095 ± 0.9546
ea04 1342 1342/1342 1342 ± 0.0000411 5.504 5.148/6.175 5.458 ± 0.8429
ea05 1342 1342/1342 1342 ± 0.00002525 5.475 5.116/6.516 5.661 ± 0.8937
ea06 1342 1342/1342 1342 ± 0.0000404 5.195 4.874/5.784 5.144 ± 0.7551
ea07 1342 1342/1342 1342 ± 0.00003504 5.91 5.401/6.297 5.862 ± 0.8372
ea09 1342 1342/1342 1342 ± 0.00003757 5.522 5.114/6.193 5.439 ± 0.8155
ea10 1342 1342/1342 1342 ± 0.00003524 5.303 4.83/5.976 5.31 ± 0.7092
ea11 1342 1342/1342 1342 ± 0.00003623 6.088 5.496/6.703 5.976 ± 0.8928
ea12 1342 1342/1342 1342 ± 0.00004012 5.906 5.568/6.569 5.896 ± 0.9606
ea13 1342 1342/1342 1342 ± 0.00002856 5.769 5.63/6.343 5.871 ± 0.9301
ea14 1342 1342/1342 1342 ± 0.00003411 5.758 5.451/6.711 5.956 ± 0.9918
ea15 1342 1342/1342 1342 ± 0.00004102 5.779 5.446/6.599 5.78 ± 1.02
ea16 1342 1342/1342 1342 ± 0.00003287 5.952 5.526/6.881 6.039 ± 1.099
ea17 1342 1342/1342 1342 ± 0.00003929 6.057 5.549/6.799 6.097 ± 0.9433
ea18 1342 1342/1342 1342 ± 0.00003756 5.106 4.921/5.656 5.172 ± 0.6829
ea19 1342 1342/1342 1342 ± 0.00001796 5.807 5.527/6.862 5.986 ± 0.9455
ea20 1342 1342/1342 1342 ± 0.00003875 6.151 6.035/7.051 6.238 ± 1.017
ea21 1342 1342/1342 1342 ± 0.00003032 5.629 5.301/6.411 5.738 ± 0.9152
ea22 1342 1342/1342 1342 ± 0.00003898 5.54 5.238/6.564 5.769 ± 0.9864
ea23 1342 1342/1342 1342 ± 0.00003409 6.001 5.572/6.75 6.066 ± 1.016
ea24 1342 1342/1342 1342 ± 0.00002594 5.283 4.824/6.248 5.397 ± 0.8449
ea25 1342 1342/1342 1342 ± 0.00003659 5.769 5.34/6.418 5.77 ± 0.8347
ea26 1342 1342/1342 1342 ± 0.00003819 5.882 5.709/6.872 6.054 ± 1.043
ea27 1342 1342/1342 1342 ± 0.00003631 5.747 5.406/6.647 5.84 ± 0.8587
ea28 1342 1342/1342 1342 ± 0.00003551 5.831 5.564/6.784 6.083 ± 0.9479
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 ± 0.0000236 5.49 5.3/5.69 5.457 ± 0.3241
5 1342 1342/1342 1342 ± 0.00002348 5.453 5.153/5.602 5.4 ± 0.3401
6 1342 1342/1342 1342 ± 0.0000236 5.441 5.142/5.57 5.371 ± 0.2725
7 1342 1342/1342 1342 ± 0.0000236 5.465 5.244/5.584 5.409 ± 0.2849
8 1342 1342/1342 1342 ± 0.0000236 5.446 5.119/5.551 5.383 ± 0.3251
9 1342 1342/1342 1342 ± 0.0000236 5.742 5.42/5.905 5.674 ± 0.3137
10 1342 1342/1342 1342 ± 0.0000236 6.167 5.897/6.267 6.086 ± 0.2981
11 1342 1342/1342 1342 ± 0.0000236 6.493 6.098/6.604 6.381 ± 0.3065
12 1342 1342/1342 1342 ± 0.0000236 6.551 6.288/6.78 6.557 ± 0.3458
13 1342 1342/1342 1342 ± 0.0000236 6.849 6.456/7.046 6.735 ± 0.4486
14 1342 1342/1342 1342 ± 0.00002599 6.764 6.347/7.113 6.688 ± 0.567
15 1342 1342/1342 1342 ± 0.00002795 6.91 6.489/7.18 6.8 ± 0.4621
16 1342 1342/1342 1342 ± 0.00004995 3.752 3.606/3.929 3.781 ± 0.3375
17 1342 1342/1342 1342 ± 0.00005033 3.934 3.696/4.201 3.966 ± 0.3865
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
Start time
2024-05-18 00:59:08.613
End
2024-05-18 02:07:19.737
Duration
1:08:11.125
Note, WebLog generation is not included in the time.

CASA logs for stage 8