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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.391 5.317/6.21 5.626 ± 0.7668
ea02 1342 1342/1342 1342 ± 0.00004404 6.042 5.469/6.778 5.986 ± 0.9624
ea04 1342 1342/1342 1342 ± 0.00002005 5.446 5.102/6.123 5.502 ± 0.7673
ea05 1342 1342/1342 1342 ± 0.00002724 5.628 5.152/6.429 5.788 ± 0.7827
ea06 1342 1342/1342 1342 ± 0.00002622 4.753 4.565/5.298 4.803 ± 0.5706
ea07 1342 1342/1342 1342 ± 0.00004946 5.961 5.48/6.421 5.888 ± 0.9077
ea08 1342 1342/1342 1342 ± 0.00003893 6.112 5.645/6.904 6.212 ± 0.9682
ea09 1342 1342/1342 1342 ± 0.00002875 5.775 5.212/6.623 5.791 ± 0.8486
ea10 1342 1342/1342 1342 ± 0.00004028 5.989 5.345/6.836 5.915 ± 0.9137
ea11 1342 1342/1342 1342 ± 0.00004365 5.792 5.25/6.551 5.804 ± 0.9256
ea12 1342 1342/1342 1342 ± 0.00002861 5.8 5.432/6.588 5.842 ± 0.9646
ea13 1342 1342/1342 1342 ± 0.0000194 5.943 5.728/6.457 6.044 ± 0.8115
ea14 1342 1342/1342 1342 ± 0.00003681 5.685 5.345/6.49 5.807 ± 0.8275
ea15 1342 1342/1342 1342 ± 0.00001842 5.422 5.12/6.306 5.611 ± 0.881
ea16 1342 1342/1342 1342 ± 0.00003598 5.984 5.587/6.938 6.123 ± 0.9933
ea17 1342 1342/1342 1342 ± 0.00004252 5.931 5.485/7.069 6.031 ± 0.9532
ea18 1342 1342/1342 1342 ± 0.00004229 4.963 4.804/5.731 5.121 ± 0.6948
ea19 1342 1342/1342 1342 ± 0.00001279 5.864 5.648/6.962 6.157 ± 0.8444
ea20 1342 1342/1342 1342 ± 0.00003899 5.938 5.781/7.091 6.144 ± 1.034
ea21 1342 1342/1342 1342 ± 0.00003454 5.603 5.414/6.492 5.791 ± 0.8001
ea22 1342 1342/1342 1342 ± 0.00004051 5.392 5.052/6.4 5.588 ± 0.8355
ea23 1342 1342/1342 1342 ± 0.0000414 5.87 5.47/6.732 5.936 ± 0.9652
ea25 1342 1342/1342 1342 ± 0.00004311 5.55 5.214/6.38 5.634 ± 0.8467
ea26 1342 1342/1342 1342 ± 0.00003365 5.942 5.764/7.021 6.145 ± 0.9493
ea27 1342 1342/1342 1342 ± 0.00004102 5.629 5.199/6.608 5.719 ± 0.8695
ea28 1342 1342/1342 1342 ± 0.00004294 5.699 5.437/6.635 5.87 ± 0.9316
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 ± 0.0000235 5.432 5.298/5.778 5.469 ± 0.3127
5 1342 1342/1342 1342 ± 0.00003692 5.465 5.258/5.499 5.382 ± 0.2318
6 1342 1342/1342 1342 ± 0.0000235 5.434 5.198/5.654 5.404 ± 0.3197
7 1342 1342/1342 1342 ± 0.0000235 5.476 5.252/5.65 5.428 ± 0.2967
8 1342 1342/1342 1342 ± 0.0000235 5.436 5.194/5.567 5.362 ± 0.3232
9 1342 1342/1342 1342 ± 0.0000235 5.68 5.426/5.938 5.631 ± 0.3652
10 1342 1342/1342 1342 ± 0.0000235 6.132 5.974/6.352 6.096 ± 0.3437
11 1342 1342/1342 1342 ± 0.0000235 6.444 6.225/6.537 6.358 ± 0.3549
12 1342 1342/1342 1342 ± 0.0000235 6.572 6.401/6.786 6.549 ± 0.3956
13 1342 1342/1342 1342 ± 0.0000235 6.992 6.697/7.087 6.936 ± 0.4232
14 1342 1342/1342 1342 ± 0.0000235 7.052 6.859/7.308 7.013 ± 0.4945
15 1342 1342/1342 1342 ± 0.00002405 6.795 6.52/7.047 6.714 ± 0.4878
16 1342 1342/1342 1342 ± 0.00005611 4.204 4.062/4.37 4.22 ± 0.2234
17 1342 1342/1342 1342 ± 0.0000575 4.293 4.149/4.503 4.338 ± 0.3555
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-11-02 19:30:07.553
End
2024-11-02 20:26:05.536
Duration
0:55:57.983
Note, WebLog generation is not included in the time.

CASA logs for stage 8