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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.421 5.107/5.897 5.56 ± 0.541
ea02 1342 1342/1342 1342 ± 0 5.517 5.301/6.369 5.845 ± 0.6519
ea04 1342 1342/1342 1342 ± 0.0000051 5.276 5.007/5.855 5.446 ± 0.5606
ea05 1342 1342/1342 1342 ± 0 5.524 5.116/6.005 5.613 ± 0.5822
ea06 1342 1342/1342 1342 ± 0 5 4.661/5.525 5.104 ± 0.5073
ea07 1342 1342/1342 1342 ± 0 5.826 5.306/6.078 5.834 ± 0.5701
ea08 1342 1342/1342 1342 ± 0 5.546 5.375/6.455 5.905 ± 0.6743
ea09 1342 1342/1342 1342 ± 0 5.519 5.115/6.147 5.611 ± 0.6347
ea10 1342 1342/1342 1342 ± 0 5.798 5.13/6.399 5.768 ± 0.6828
ea11 1342 1342/1342 1342 ± 0 5.63 5.039/6.191 5.661 ± 0.6725
ea12 1342 1342/1342 1342 ± 0 5.629 5.218/6.262 5.793 ± 0.6545
ea13 1342 1342/1342 1342 ± 0 5.888 5.618/6.233 6.005 ± 0.5202
ea14 1342 1342/1342 1342 ± 0 5.647 5.146/6.245 5.744 ± 0.6659
ea15 1342 1342/1342 1342 ± 0 5.455 5.004/6.119 5.611 ± 0.6875
ea16 1342 1342/1342 1342 ± 0 5.969 5.512/6.648 6.127 ± 0.7329
ea17 1342 1342/1342 1342 ± 0.000005983 5.784 5.433/6.351 5.936 ± 0.6276
ea18 1342 1342/1342 1342 ± 0 4.891 4.606/5.337 5.001 ± 0.517
ea19 1342 1342/1342 1342 ± 0 5.85 5.419/6.565 6.035 ± 0.6537
ea20 1342 1342/1342 1342 ± 0 5.931 5.614/6.634 6.107 ± 0.6661
ea21 1342 1342/1342 1342 ± 0 5.582 5.238/6.091 5.693 ± 0.5506
ea22 1342 1342/1342 1342 ± 0 5.391 5.063/6.075 5.589 ± 0.6705
ea23 1342 1342/1342 1342 ± 0 5.858 5.335/6.277 5.933 ± 0.6827
ea25 1342 1342/1342 1342 ± 0.000001276 5.403 5.118/5.946 5.552 ± 0.5631
ea26 1342 1342/1342 1342 ± 0 5.961 5.523/6.761 6.062 ± 0.6501
ea27 1342 1342/1342 1342 ± 0.00002619 5.413 5.124/6.199 5.603 ± 0.5863
ea28 1342 1342/1342 1342 ± 0.000031 5.483 5.285/6.261 5.733 ± 0.6499
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 ± 0.00002349 5.241 5.082/5.479 5.248 ± 0.2502
3 1342 1342/1342 1342 ± 0.00002349 5.155 4.989/5.386 5.177 ± 0.2872
4 1342 1342/1342 1342 ± 0.00002373 5.099 4.812/5.267 5.015 ± 0.317
5 1342 1342/1342 1342 ± 0.00002349 5.093 4.86/5.259 5.089 ± 0.2887
6 1342 1342/1342 1342 ± 0.00002349 5.179 4.998/5.387 5.168 ± 0.2816
7 1342 1342/1342 1342 ± 0.00002349 5.225 5.09/5.383 5.231 ± 0.2561
8 1342 1342/1342 1342 ± 0.00002349 5.251 4.996/5.347 5.186 ± 0.276
9 1342 1342/1342 1342 ± 0.00002349 5.47 5.303/5.724 5.471 ± 0.3109
10 1342 1342/1342 1342 ± 0.00002349 5.924 5.702/6.078 5.884 ± 0.295
11 1342 1342/1342 1342 ± 0.00002349 6.177 5.949/6.305 6.102 ± 0.3032
12 1342 1342/1342 1342 ± 0.00002349 6.237 6.065/6.465 6.197 ± 0.4476
13 1342 1342/1342 1342 ± 0.00002349 6.696 6.597/6.845 6.696 ± 0.3385
14 1342 1342/1342 1342 ± 0.00002349 6.929 6.675/7.097 6.885 ± 0.3633
15 1342 1342/1342 1342 ± 0.00002349 6.62 6.355/6.828 6.541 ± 0.3624
16 1342 1342/1342 1342 ± 0.00003255 5.844 5.538/6.11 5.838 ± 0.371
17 1342 1342/1342 1342 ± 0.00003194 5.883 5.531/6.157 5.862 ± 0.3619
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-08 10:20:17.450
End
2025-01-08 11:06:05.768
Duration
0:45:48.319
Note, WebLog generation is not included in the time.

CASA logs for stage 8