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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.901 5.728/6.444 6.103 ± 0.4923
ea02 1342 1342/1342 1342 ± 0.000005219 6.003 5.604/6.604 6.133 ± 0.5648
ea03 1342 1342/1342 1342 ± 0.00002021 5.205 5.089/6.28 5.578 ± 0.6047
ea04 1342 1342/1342 1342 ± 0.000006867 5.528 5.174/5.872 5.621 ± 0.4763
ea06 1342 1342/1342 1342 ± 0 5.946 5.444/6.271 5.925 ± 0.4938
ea07 1342 1342/1342 1342 ± 0 5.609 5.408/5.751 5.616 ± 0.3825
ea08 1342 1342/1342 1342 ± 0.0000192 6.135 5.902/6.636 6.285 ± 0.5206
ea09 1342 1342/1342 1342 ± 0.000002336 5.958 5.453/6.526 5.995 ± 0.5618
ea10 1342 1342/1342 1342 ± 0.000001911 5.621 5.448/6.31 5.837 ± 0.4828
ea11 1342 1342/1342 1342 ± 0 6.037 5.625/6.583 6.156 ± 0.5829
ea12 1342 1342/1342 1342 ± 0 5.92 5.555/6.5 6.054 ± 0.5607
ea13 1342 1342/1342 1342 ± 0.00000701 6.175 5.629/6.472 6.129 ± 0.5288
ea14 1342 1342/1342 1342 ± 0 5.762 5.505/6.391 5.95 ± 0.5502
ea15 1342 1342/1342 1342 ± 0 5.702 5.386/6.326 5.866 ± 0.5869
ea16 1342 1342/1342 1342 ± 0 5.917 5.56/6.335 5.993 ± 0.4986
ea17 1342 1342/1342 1342 ± 0 6.465 6.16/7.076 6.561 ± 0.5222
ea18 1342 1342/1342 1342 ± 0 4.746 4.454/4.992 4.733 ± 0.3403
ea19 1342 1342/1342 1342 ± 0.000001349 5.93 5.74/6.664 6.184 ± 0.5386
ea20 1342 1342/1342 1342 ± 0.000001386 5.863 5.672/6.688 6.106 ± 0.5328
ea21 1342 1342/1342 1342 ± 0 5.783 5.528/6.297 5.957 ± 0.4721
ea22 1342 1342/1342 1342 ± 0 6.074 5.606/6.509 6.066 ± 0.5067
ea23 1342 1342/1342 1342 ± 0 5.886 5.704/6.569 6.162 ± 0.5999
ea24 1342 1342/1342 1342 ± 0 5.917 5.357/6.415 5.863 ± 0.526
ea25 1342 1342/1342 1342 ± 0.000002394 5.783 5.292/5.973 5.801 ± 0.5645
ea26 1342 1342/1342 1342 ± 0 5.987 5.656/6.709 6.132 ± 0.5309
ea27 1342 1342/1342 1342 ± 0.000001907 5.753 5.558/6.587 5.983 ± 0.562
ea28 1342 1342/1342 1342 ± 0.0000027 5.718 5.54/6.51 6.021 ± 0.5708
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 ± 0.00002307 5.693 5.578/5.863 5.658 ± 0.3204
4 1342 1342/1342 1342 ± 0.00002588 5.386 5.137/5.551 5.353 ± 0.4541
5 1342 1342/1342 1342 ± 0.00002307 5.622 5.41/5.859 5.594 ± 0.375
6 1342 1342/1342 1342 ± 0.00002307 5.461 5.357/5.665 5.451 ± 0.2997
7 1342 1342/1342 1342 ± 0.00002307 5.524 5.34/5.7 5.494 ± 0.2993
8 1342 1342/1342 1342 ± 0.00002307 5.464 5.223/5.624 5.425 ± 0.3181
9 1342 1342/1342 1342 ± 0.00002307 5.717 5.603/5.866 5.688 ± 0.342
10 1342 1342/1342 1342 ± 0.00002307 6.144 5.924/6.311 6.072 ± 0.3583
11 1342 1342/1342 1342 ± 0.00002307 6.339 6.187/6.458 6.257 ± 0.36
12 1342 1342/1342 1342 ± 0.00002307 6.448 6.285/6.584 6.372 ± 0.392
13 1342 1342/1342 1342 ± 0.00002307 6.773 6.609/6.967 6.75 ± 0.4037
14 1342 1342/1342 1342 ± 0.00002307 7.009 6.805/7.143 6.924 ± 0.3843
15 1342 1342/1342 1342 ± 0.00002307 6.681 6.486/6.835 6.613 ± 0.389
16 1342 1342/1342 1342 ± 0.00002824 5.868 5.604/6.046 5.834 ± 0.3634
17 1342 1342/1342 1342 ± 0.00002691 5.77 5.498/5.929 5.702 ± 0.334
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-05-14 05:33:56.342
End
2025-05-14 06:18:01.852
Duration
0:44:05.510
Note, WebLog generation is not included in the time.

CASA logs for stage 8