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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.371 5.081/6.087 5.5 ± 0.7315
ea02 1342 1342/1342 1342 ± 0.00004331 5.762 5.248/6.546 5.812 ± 0.8344
ea05 1342 1342/1342 1342 ± 0.00002826 5.855 5.083/6.442 5.758 ± 0.7537
ea06 1342 1342/1342 1342 ± 0.00001685 5.204 4.668/5.557 5.128 ± 0.5867
ea07 1342 1342/1342 1342 ± 0.0000433 5.742 5.302/5.948 5.584 ± 0.7946
ea08 1342 1342/1342 1342 ± 0.0000433 6.235 5.553/6.839 6.12 ± 0.9607
ea09 1342 1342/1342 1342 ± 0.00002277 4.414 3.309/5.668 4.55 ± 1.155
ea10 1342 1342/1342 1342 ± 0.00004391 5.673 4.995/6.403 5.58 ± 0.8396
ea11 1342 1342/1342 1342 ± 0 5.508 5.397/6.418 5.93 ± 0.6683
ea12 1342 1342/1342 1342 ± 0.0000149 5.783 5.212/6.538 5.777 ± 0.8814
ea13 1342 1342/1342 1342 ± 0.00001299 6.14 5.401/6.284 5.931 ± 0.6872
ea14 1342 1342/1342 1342 ± 0.00004958 6.476 5.804/6.96 6.158 ± 0.9531
ea15 1342 1342/1342 1342 ± 0.000007409 5.371 5.18/6.181 5.613 ± 0.797
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004168 5.768 5.57/7.018 5.951 ± 0.9479
ea18 1342 1342/1342 1342 ± 0.00003785 4.727 4.537/5.695 4.961 ± 0.7032
ea19 1342 1342/1342 1342 ± 0.0000179 5.932 5.387/6.647 5.958 ± 0.7906
ea20 1342 1342/1342 1342 ± 0.00003124 6.027 5.741/6.963 6.082 ± 0.9435
ea21 1342 1342/1342 1342 ± 0.00003782 5.902 5.335/6.264 5.723 ± 0.7644
ea22 1342 1342/1342 1342 ± 0.00003716 5.64 5.039/6.501 5.703 ± 0.8005
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.323 5.305/5.462 5.354 ± 0.1913
ea26 1342 1342/1342 1342 ± 0.00002682 5.613 5.411/6.443 5.778 ± 0.7184
ea27 1342 1342/1342 1342 ± 0.00004269 5.409 5.133/6.414 5.609 ± 0.8126
ea28 1342 1342/1342 1342 ± 0.00005286 6.435 5.764/6.779 6.061 ± 1.012
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.
3 1342 1342/1342 1342 ± 0.00002664 5.473 5.092/5.703 5.373 ± 0.6116
5 1342 1342/1342 1342 ± 0.00002603 5.687 5.315/5.896 5.525 ± 0.6635
6 1342 1342/1342 1342 ± 0.00002601 5.314 5.125/5.417 5.193 ± 0.5081
7 1342 1342/1342 1342 ± 0.00002601 5.262 5.077/5.439 5.17 ± 0.4874
8 1342 1342/1342 1342 ± 0.00002601 5.241 5.058/5.376 5.138 ± 0.5072
9 1342 1342/1342 1342 ± 0.00002611 5.412 5.147/5.544 5.27 ± 0.5565
10 1342 1342/1342 1342 ± 0.00002544 5.999 5.815/6.102 5.94 ± 0.3468
11 1342 1342/1342 1342 ± 0.00002544 6.261 6.167/6.37 6.196 ± 0.3499
12 1342 1342/1342 1342 ± 0.00002544 6.434 6.174/6.538 6.364 ± 0.3626
13 1342 1342/1342 1342 ± 0.00002544 6.768 6.434/6.961 6.709 ± 0.3677
14 1342 1342/1342 1342 ± 0.00002544 6.949 6.668/7.174 6.879 ± 0.4101
15 1342 1342/1342 1342 ± 0.00002614 6.54 6.412/6.791 6.512 ± 0.4383
16 1342 1342/1342 1342 ± 0.00005934 4.356 4.172/4.524 4.345 ± 0.2281
17 1342 1342/1342 1342 ± 0.00005957 4.406 4.205/4.606 4.409 ± 0.2726
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2024-04-22 05:59:24.542
End
2024-04-22 07:02:06.770
Duration
1:02:42.228
Note, WebLog generation is not included in the time.

CASA logs for stage 7