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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.037 4.861/5.814 5.398 ± 0.6545
ea02 1342 1342/1342 1342 ± 0.0000108 5.41 5.109/6.43 5.792 ± 0.7927
ea04 1342 1342/1342 1342 ± 0.00002712 5.232 4.79/5.927 5.394 ± 0.7119
ea05 1342 1342/1342 1342 ± 0 5.619 5.176/6.505 5.787 ± 0.7607
ea06 1342 1342/1342 1342 ± 0.00004138 5.238 4.532/5.352 4.989 ± 0.5588
ea07 1342 1342/1342 1342 ± 0.00004374 5.554 5.042/6.186 5.688 ± 0.8057
ea08 1342 1342/1342 1342 ± 0.00004222 5.768 5.145/6.649 5.922 ± 0.8958
ea09 1342 1342/1342 1342 ± 0 5.611 5.078/6.424 5.773 ± 0.7252
ea10 1342 1342/1342 1342 ± 0.00004577 5.646 4.854/6.543 5.697 ± 0.879
ea11 1342 1342/1342 1342 ± 0.00004965 5.358 4.809/6.325 5.609 ± 0.8756
ea12 1342 1342/1342 1342 ± 0.00003701 5.728 5.046/6.198 5.713 ± 0.7625
ea13 1342 1342/1342 1342 ± 0 6.218 5.366/6.732 6.103 ± 0.7185
ea14 1342 1342/1342 1342 ± 0.00002109 5.14 4.812/6.257 5.523 ± 0.8274
ea15 1342 1342/1342 1342 ± 0.00001168 5.249 4.778/6.122 5.477 ± 0.8462
ea16 1342 1342/1342 1342 ± 0 5.422 5.155/6.714 5.91 ± 0.9265
ea17 1342 1342/1342 1342 ± 0.00005524 6.004 4.952/6.889 5.998 ± 0.935
ea18 1342 1342/1342 1342 ± 0.00004674 4.74 4.53/5.349 4.979 ± 0.5786
ea19 1342 1342/1342 1342 ± 0 5.938 5.254/6.719 6.064 ± 0.8422
ea20 1342 1342/1342 1342 ± 0.00004484 5.61 5.233/6.901 5.937 ± 0.8936
ea21 1342 1342/1342 1342 ± 0.000003887 5.221 5.125/6.277 5.665 ± 0.7505
ea22 1342 1342/1342 1342 ± 0 5.834 5.193/6.238 5.774 ± 0.7044
ea23 1342 1342/1342 1342 ± 0.0000386 6.247 5.682/6.727 6.126 ± 0.933
ea25 1342 1342/1342 1342 ± 0.00004999 5.25 4.927/6.073 5.512 ± 0.8048
ea26 1342 1342/1342 1342 ± 0 5.661 5.505/6.886 6.14 ± 0.7904
ea27 1342 1342/1342 1342 ± 0.00004935 5.356 5.059/6.363 5.614 ± 0.7777
ea28 1342 1342/1342 1342 ± 0.00005305 5.957 5.182/6.458 5.929 ± 0.8639
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 ± 0.00002441 5.151 4.855/5.361 5.134 ± 0.326
6 1342 1342/1342 1342 ± 0.00002545 5.04 4.792/5.257 5.017 ± 0.2739
7 1342 1342/1342 1342 ± 0.00002662 5.037 4.914/5.178 5.052 ± 0.2303
8 1342 1342/1342 1342 ± 0.00002662 5.003 4.848/5.134 5.006 ± 0.2221
9 1342 1342/1342 1342 ± 0.00004038 5.211 4.793/5.412 5.123 ± 0.3309
10 1342 1342/1342 1342 ± 0.00002348 5.927 5.821/6.094 5.904 ± 0.3082
11 1342 1342/1342 1342 ± 0.00002348 6.234 6.066/6.33 6.176 ± 0.3271
12 1342 1342/1342 1342 ± 0.00002348 6.411 6.229/6.577 6.364 ± 0.3533
13 1342 1342/1342 1342 ± 0.00002348 6.841 6.732/7.047 6.806 ± 0.3879
14 1342 1342/1342 1342 ± 0.00002348 7.072 6.865/7.279 7.016 ± 0.4149
15 1342 1342/1342 1342 ± 0.00004433 5.928 5.706/6.473 6.058 ± 0.6063
16 1342 1342/1342 1342 ± 0.00006099 4.605 4.453/4.772 4.618 ± 0.2573
17 1342 1342/1342 1342 ± 0.00006094 4.999 4.82/5.22 5.017 ± 0.3169
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-11-02 17:12:21.810
End
2024-11-02 18:07:00.733
Duration
0:54:38.923
Note, WebLog generation is not included in the time.

CASA logs for stage 8