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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.474 5.113/6.248 5.404 ± 1.097
ea02 1342 1342/1342 1342 ± 0.00004125 5.497 5.277/6.475 5.494 ± 1.089
ea03 1342 1342/1342 1342 ± 0.000006542 5.406 5.327/6.405 5.604 ± 0.7932
ea04 1342 1342/1342 1342 ± 0.00004763 5.144 4.701/6.051 5.148 ± 0.885
ea05 1342 1342/1342 1342 ± 0.00005178 5.298 5.052/6.42 5.345 ± 1.064
ea06 1342 1342/1342 1342 ± 0.00002779 4.977 4.813/5.987 5.136 ± 0.9075
ea07 1342 1342/1342 1342 ± 0.00004226 5.22 5.03/6.321 5.312 ± 1.074
ea08 1342 1342/1342 1342 ± 0.00002554 5.721 5.264/6.79 5.726 ± 1.153
ea09 1342 1342/1342 1342 ± 0.00004824 5.133 4.792/6.063 5.107 ± 0.961
ea10 1342 1342/1342 1342 ± 0.00004815 5.048 4.662/5.904 4.965 ± 0.9618
ea11 1342 1342/1342 1342 ± 0.00005283 5.123 4.42/6.078 5.011 ± 1.054
ea13 1342 1342/1342 1342 ± 0.00002492 5.215 4.938/6.041 5.276 ± 0.7182
ea14 1342 1342/1342 1342 ± 0.00005072 5.515 5.191/6.46 5.485 ± 1.105
ea15 1342 1342/1342 1342 ± 0.00005083 5.537 5.063/6.633 5.524 ± 1.094
ea16 1342 1342/1342 1342 ± 0.00002542 5.749 5.367/6.57 5.687 ± 1.038
ea17 1342 1342/1342 1342 ± 0.00004421 5.78 5.311/6.649 5.637 ± 1.202
ea18 1342 1342/1342 1342 ± 0.00001683 5.773 5.464/6.816 5.787 ± 1.139
ea19 1342 1342/1342 1342 ± 0.00004304 5.363 4.987/6.413 5.362 ± 1.075
ea20 1342 1342/1342 1342 ± 0.00003761 5.321 5.137/6.115 5.341 ± 0.8503
ea21 1342 1342/1342 1342 ± 0.000009005 5.098 4.88/5.695 5.127 ± 0.6405
ea22 1342 1342/1342 1342 ± 0.00003562 5.664 5.196/6.541 5.554 ± 1.114
ea23 1342 1342/1342 1342 ± 0.00004883 5.656 5.102/6.426 5.461 ± 1.093
ea24 1342 1342/1342 1342 ± 0.00001711 4.919 4.797/5.796 5.221 ± 0.7113
ea25 1342 1342/1342 1342 ± 0.0000152 5.703 5.385/6.654 5.912 ± 0.8993
ea27 1342 1342/1342 1342 ± 0.00002061 5.268 4.843/6.313 5.332 ± 1.008
ea28 1342 1342/1342 1342 ± 0.000007456 5.499 5.279/6.526 5.653 ± 0.8522
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 ± 0.0000235 5.257 5.056/5.363 5.183 ± 0.2832
5 1342 1342/1342 1342 ± 0.00003583 5.159 4.951/5.416 5.205 ± 0.3892
6 1342 1342/1342 1342 ± 0.0000235 5.25 5.037/5.475 5.234 ± 0.2764
7 1342 1342/1342 1342 ± 0.0000235 5.283 5.14/5.475 5.268 ± 0.2621
8 1342 1342/1342 1342 ± 0.0000235 5.314 5.106/5.52 5.287 ± 0.2884
9 1342 1342/1342 1342 ± 0.0000235 5.443 5.206/5.763 5.465 ± 0.3251
10 1342 1342/1342 1342 ± 0.00002392 6.11 6.019/6.285 6.105 ± 0.2754
11 1342 1342/1342 1342 ± 0.00002348 6.424 6.125/6.568 6.381 ± 0.2622
12 1342 1342/1342 1342 ± 0.00002348 6.582 6.356/6.787 6.545 ± 0.3158
13 1342 1342/1342 1342 ± 0.00002367 6.537 6.238/6.822 6.549 ± 0.3941
14 1342 1342/1342 1342 ± 0.00005771 4.633 4.299/5.12 4.779 ± 0.6202
15 1342 1342/1342 1342 ± 0.00002348 6.668 6.124/6.994 6.578 ± 0.5069
16 1342 1342/1342 1342 ± 0.00005971 3.497 3.354/3.879 3.638 ± 0.4255
17 1342 1342/1342 1342 ± 0.00005964 3.416 3.232/3.727 3.497 ± 0.3745
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-19 13:49:37.775
End
2025-07-19 14:52:26.635
Duration
1:02:48.860
Note, WebLog generation is not included in the time.

CASA logs for stage 8