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 5.49 5.13/6.206 5.598 ± 0.7965
ea02 1342 1342/1342 1342 ± 0.00004916 5.873 5.267/6.728 5.897 ± 0.931
ea04 1342 1342/1342 1342 ± 0.00001912 5.584 4.961/6.125 5.485 ± 0.8039
ea05 1342 1342/1342 1342 ± 0.00002927 5.996 5.093/6.418 5.78 ± 0.8559
ea06 1342 1342/1342 1342 ± 0.00003174 5.103 4.555/5.324 4.873 ± 0.5748
ea07 1342 1342/1342 1342 ± 0.00004168 5.946 5.334/6.422 5.867 ± 0.9497
ea08 1342 1342/1342 1342 ± 0.00004341 5.981 5.439/6.857 6.078 ± 1.048
ea09 1342 1342/1342 1342 ± 0.00002834 5.788 5.11/6.608 5.758 ± 0.8889
ea10 1342 1342/1342 1342 ± 0.00003677 5.9 5.257/6.853 5.951 ± 0.92
ea11 1342 1342/1342 1342 ± 0.00004272 5.654 5.135/6.64 5.83 ± 1
ea12 1342 1342/1342 1342 ± 0.00003681 6.013 5.293/6.619 5.831 ± 0.9676
ea13 1342 1342/1342 1342 ± 0.00001727 6.199 5.634/6.449 6.001 ± 0.7963
ea14 1342 1342/1342 1342 ± 0.00004147 5.727 5.307/6.561 5.855 ± 0.9108
ea15 1342 1342/1342 1342 ± 0.00001363 5.355 5.018/6.289 5.569 ± 0.914
ea16 1342 1342/1342 1342 ± 0.00003732 6.019 5.582/6.984 6.154 ± 1.007
ea17 1342 1342/1342 1342 ± 0.00004202 5.829 5.522/7.095 6.017 ± 1.023
ea18 1342 1342/1342 1342 ± 0.00004125 5.184 4.709/5.766 5.159 ± 0.6987
ea19 1342 1342/1342 1342 ± 0.00001566 6.325 5.59/6.843 6.144 ± 0.9118
ea20 1342 1342/1342 1342 ± 0.00004169 6.269 5.618/7.122 6.162 ± 1.055
ea21 1342 1342/1342 1342 ± 0.00003855 5.776 5.393/6.505 5.809 ± 0.8689
ea22 1342 1342/1342 1342 ± 0.00003909 5.246 4.971/6.421 5.579 ± 0.8484
ea23 1342 1342/1342 1342 ± 0.00004337 5.857 5.454/6.753 5.964 ± 1.047
ea25 1342 1342/1342 1342 ± 0.00004189 5.546 5.193/6.433 5.666 ± 0.9068
ea26 1342 1342/1342 1342 ± 0.00002974 6.043 5.613/6.965 6.128 ± 0.9539
ea27 1342 1342/1342 1342 ± 0.00004171 5.702 5.334/6.639 5.768 ± 0.911
ea28 1342 1342/1342 1342 ± 0.0000438 5.833 5.374/6.639 5.875 ± 0.97
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 ± 0.00002362 5.754 5.515/5.98 5.742 ± 0.3268
5 1342 1342/1342 1342 ± 0.00003463 5.544 5.307/5.628 5.467 ± 0.3106
6 1342 1342/1342 1342 ± 0.00002362 5.282 5.108/5.412 5.244 ± 0.288
7 1342 1342/1342 1342 ± 0.00002362 5.31 5.137/5.455 5.288 ± 0.2791
8 1342 1342/1342 1342 ± 0.00002362 5.379 5.098/5.457 5.286 ± 0.3073
9 1342 1342/1342 1342 ± 0.00002362 5.634 5.355/5.86 5.569 ± 0.3514
10 1342 1342/1342 1342 ± 0.00002362 6.103 5.942/6.324 6.075 ± 0.3375
11 1342 1342/1342 1342 ± 0.00002362 6.474 6.254/6.538 6.364 ± 0.3527
12 1342 1342/1342 1342 ± 0.00002362 6.617 6.423/6.758 6.56 ± 0.3847
13 1342 1342/1342 1342 ± 0.00002362 7.008 6.844/7.179 6.978 ± 0.4269
14 1342 1342/1342 1342 ± 0.00002362 7.21 6.966/7.405 7.136 ± 0.4733
15 1342 1342/1342 1342 ± 0.00002427 6.786 6.562/7.031 6.726 ± 0.4631
16 1342 1342/1342 1342 ± 0.00005411 4.195 4.056/4.346 4.2 ± 0.2027
17 1342 1342/1342 1342 ± 0.00005536 4.242 4.084/4.404 4.254 ± 0.2386
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-11-02 22:01:24.724
End
2024-11-02 22:56:37.108
Duration
0:55:12.384
Note, WebLog generation is not included in the time.

CASA logs for stage 8