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

Statwt Summary Plot

VLASS2.1.sb38547417.eb38659598.59111.3291737963_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 5.41 5.33/6.139 5.712 ± 0.5841
ea02 1342 1342/1342 1342 ± 0.00004159 5.835 5.398/6.672 6.024 ± 0.7399
ea04 1342 1342/1342 1342 ± 0 5.476 5.145/6.057 5.615 ± 0.5846
ea05 1342 1342/1342 1342 ± 0 5.882 5.376/6.576 5.915 ± 0.6844
ea06 1342 1342/1342 1342 ± 0 4.824 4.699/5.319 4.973 ± 0.4179
ea07 1342 1342/1342 1342 ± 0.000007982 5.919 5.565/6.319 6.087 ± 0.638
ea08 1342 1342/1342 1342 ± 0.0000416 5.851 5.573/6.853 6.202 ± 0.7783
ea09 1342 1342/1342 1342 ± 0.00002802 5.568 5.241/6.506 5.84 ± 0.6772
ea10 1342 1342/1342 1342 ± 0.00003195 5.686 5.32/6.774 6.004 ± 0.78
ea11 1342 1342/1342 1342 ± 0.000002463 5.819 5.301/6.677 6.019 ± 0.7862
ea12 1342 1342/1342 1342 ± 0 5.65 5.418/6.549 5.987 ± 0.6882
ea13 1342 1342/1342 1342 ± 0.00000786 5.887 5.801/6.475 6.236 ± 0.5727
ea14 1342 1342/1342 1342 ± 0 5.961 5.307/6.476 5.917 ± 0.7031
ea15 1342 1342/1342 1342 ± 0 5.889 5.389/6.417 5.95 ± 0.7277
ea16 1342 1342/1342 1342 ± 0 6.252 5.68/6.846 6.312 ± 0.7522
ea17 1342 1342/1342 1342 ± 0.00004272 5.93 5.63/7.013 6.197 ± 0.7007
ea18 1342 1342/1342 1342 ± 0 4.892 4.717/5.635 5.081 ± 0.5719
ea19 1342 1342/1342 1342 ± 0 6.257 5.588/6.829 6.254 ± 0.6816
ea20 1342 1342/1342 1342 ± 0 5.811 5.661/6.853 6.144 ± 0.7353
ea21 1342 1342/1342 1342 ± 0 5.679 5.435/6.437 5.929 ± 0.6328
ea22 1342 1342/1342 1342 ± 0.00003507 5.336 5.101/6.24 5.625 ± 0.7168
ea23 1342 1342/1342 1342 ± 0 5.93 5.526/6.675 6.136 ± 0.7579
ea25 1342 1342/1342 1342 ± 0.00000544 5.564 5.267/6.461 5.837 ± 0.6909
ea26 1342 1342/1342 1342 ± 0.000001712 5.814 5.663/7.027 6.25 ± 0.7412
ea27 1342 1342/1342 1342 ± 0.0000416 5.56 5.398/6.554 5.866 ± 0.6654
ea28 1342 1342/1342 1342 ± 0.00004173 5.722 5.478/6.668 6.039 ± 0.7374
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 ± 0.00002361 5.462 5.268/5.716 5.439 ± 0.2746
4 1342 1342/1342 1342 ± 0.00002749 4.941 4.797/5.098 4.931 ± 0.3308
5 1342 1342/1342 1342 ± 0.00002361 5.448 5.191/5.596 5.427 ± 0.2983
6 1342 1342/1342 1342 ± 0.00002361 5.393 5.21/5.51 5.336 ± 0.3118
7 1342 1342/1342 1342 ± 0.00002361 5.4 5.286/5.57 5.388 ± 0.2661
8 1342 1342/1342 1342 ± 0.00002361 5.435 5.215/5.584 5.379 ± 0.2977
9 1342 1342/1342 1342 ± 0.00002361 5.683 5.553/5.934 5.652 ± 0.3372
10 1342 1342/1342 1342 ± 0.00002361 6.175 6.01/6.281 6.091 ± 0.3328
11 1342 1342/1342 1342 ± 0.00002361 6.421 6.217/6.549 6.329 ± 0.3501
12 1342 1342/1342 1342 ± 0.00002361 6.553 6.379/6.688 6.446 ± 0.4965
13 1342 1342/1342 1342 ± 0.00002361 7.027 6.972/7.295 7.004 ± 0.4123
14 1342 1342/1342 1342 ± 0.00002361 7.309 7.024/7.448 7.196 ± 0.4505
15 1342 1342/1342 1342 ± 0.00002361 6.842 6.713/7.099 6.798 ± 0.4918
16 1342 1342/1342 1342 ± 0.0000557 5.614 5.35/5.828 5.562 ± 0.4183
17 1342 1342/1342 1342 ± 0.00005612 5.631 5.343/5.879 5.602 ± 0.3951
vis
VLASS2.1.sb38547417.eb38659598.59111.3291737963_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-11-20 07:11:30.342
End
2024-11-20 08:05:02.724
Duration
0:53:32.382
Note, WebLog generation is not included in the time.

CASA logs for stage 8