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 5.735 5.471/6.301 5.884 ± 0.4556
ea02 1342 1342/1342 1342 ± 0 6.278 5.809/6.868 6.364 ± 0.6423
ea04 1342 1342/1342 1342 ± 0.00003927 5.273 5.059/5.883 5.36 ± 0.7305
ea05 1342 1342/1342 1342 ± 0.000002284 5.475 5.088/6.138 5.52 ± 0.795
ea06 1342 1342/1342 1342 ± 0 4.886 4.791/5.319 5.033 ± 0.3136
ea07 1342 1342/1342 1342 ± 0.00001635 6.133 5.757/6.455 6.083 ± 0.7104
ea08 1342 1342/1342 1342 ± 0 6.535 5.938/7.072 6.547 ± 0.7074
ea09 1342 1342/1342 1342 ± 0 5.864 5.386/6.625 5.819 ± 0.8589
ea10 1342 1342/1342 1342 ± 0.00002848 6.092 5.569/6.74 6.047 ± 0.8102
ea11 1342 1342/1342 1342 ± 0 5.934 5.41/6.746 6.16 ± 0.8133
ea12 1342 1342/1342 1342 ± 0.00001891 5.672 5.499/6.551 5.803 ± 0.9763
ea13 1342 1342/1342 1342 ± 0.00000649 6.043 5.697/6.571 6.083 ± 0.8685
ea14 1342 1342/1342 1342 ± 0.00002026 5.711 5.346/6.548 5.721 ± 0.8082
ea15 1342 1342/1342 1342 ± 0.00003011 5.549 5.329/6.421 5.732 ± 0.9136
ea16 1342 1342/1342 1342 ± 0.00000649 6.023 5.672/6.823 5.979 ± 0.9471
ea17 1342 1342/1342 1342 ± 0 6.136 5.757/7.038 6.316 ± 0.6199
ea18 1342 1342/1342 1342 ± 0 5.381 4.98/5.757 5.393 ± 0.4246
ea19 1342 1342/1342 1342 ± 0.00000566 5.804 5.602/6.582 5.88 ± 0.8718
ea20 1342 1342/1342 1342 ± 0.000003755 5.938 5.82/6.804 6.162 ± 0.9083
ea21 1342 1342/1342 1342 ± 0.00001568 5.616 5.341/6.35 5.619 ± 0.8361
ea22 1342 1342/1342 1342 ± 0 5.561 5.264/6.41 5.772 ± 0.7884
ea23 1342 1342/1342 1342 ± 0.00002421 6.09 5.676/6.78 6.118 ± 0.775
ea25 1342 1342/1342 1342 ± 0.000003713 6.036 5.528/6.598 6.072 ± 0.5852
ea26 1342 1342/1342 1342 ± 0.000009729 6.152 5.868/7.19 6.321 ± 0.8857
ea27 1342 1342/1342 1342 ± 0.00002833 5.722 5.4/6.51 5.839 ± 0.7633
ea28 1342 1342/1342 1342 ± 0 6.141 5.73/6.8 6.294 ± 0.5961
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 ± 0.00002348 5.496 5.325/5.828 5.506 ± 0.2996
5 1342 1342/1342 1342 ± 0.00002393 5.57 5.372/5.752 5.563 ± 0.3066
6 1342 1342/1342 1342 ± 0.00002393 5.565 5.366/5.71 5.541 ± 0.287
7 1342 1342/1342 1342 ± 0.00002348 5.558 5.448/5.745 5.524 ± 0.2955
8 1342 1342/1342 1342 ± 0.00002348 5.598 5.373/5.709 5.503 ± 0.3268
9 1342 1342/1342 1342 ± 0.00002348 5.787 5.532/6.041 5.724 ± 0.3589
10 1342 1342/1342 1342 ± 0.00002348 6.226 5.99/6.455 6.178 ± 0.3927
11 1342 1342/1342 1342 ± 0.00002348 6.495 6.345/6.651 6.412 ± 0.3672
12 1342 1342/1342 1342 ± 0.00002348 6.615 6.408/6.794 6.512 ± 0.5071
13 1342 1342/1342 1342 ± 0.00002348 7.02 6.619/7.133 6.876 ± 0.4374
14 1342 1342/1342 1342 ± 0.00003301 6.843 6.356/7.228 6.758 ± 0.5551
15 1342 1342/1342 1342 ± 0.00002361 6.814 6.606/7.141 6.745 ± 0.5704
16 1342 1342/1342 1342 ± 0.00004663 4.059 3.915/4.212 4.076 ± 0.2105
17 1342 1342/1342 1342 ± 0.00004824 4.081 3.923/4.256 4.081 ± 0.2482
vis
VLASS2.1.sb38547417.eb38659598.59111.3291737963_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2024-11-19 03:23:59.784
End
2024-11-19 04:08:47.565
Duration
0:44:47.781
Note, WebLog generation is not included in the time.

CASA logs for stage 8