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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.086 5.75/6.668 6.166 ± 0.6926
ea02 1342 1342/1342 1342 ± 0 6.344 5.678/6.501 6.272 ± 0.6102
ea03 1342 1342/1342 1342 ± 0 6.238 5.505/6.862 6.271 ± 0.7569
ea04 1342 1342/1342 1342 ± 0 5.619 5.086/6.047 5.656 ± 0.5632
ea05 1342 1342/1342 1342 ± 0 5.945 5.439/6.588 5.995 ± 0.7511
ea06 1342 1342/1342 1342 ± 0 6.127 5.198/6.302 5.869 ± 0.6609
ea07 1342 1342/1342 1342 ± 0 5.902 5.334/6.437 5.971 ± 0.722
ea08 1342 1342/1342 1342 ± 0 6.547 5.797/6.925 6.511 ± 0.6923
ea09 1342 1342/1342 1342 ± 0 5.755 5.205/6.499 5.855 ± 0.6584
ea10 1342 1342/1342 1342 ± 0 5.771 5.309/6.27 5.72 ± 0.8039
ea11 1342 1342/1342 1342 ± 0 5.665 5.336/6.559 5.848 ± 0.7647
ea12 1342 1342/1342 1342 ± 0 5.677 5.301/6.208 5.792 ± 0.6927
ea13 1342 1342/1342 1342 ± 0 6.141 5.683/6.426 6.135 ± 0.525
ea14 1342 1342/1342 1342 ± 0 6.128 5.594/6.569 6.117 ± 0.724
ea15 1342 1342/1342 1342 ± 0 6.276 5.639/6.697 6.253 ± 0.6907
ea16 1342 1342/1342 1342 ± 0 6.262 5.817/6.788 6.383 ± 0.6724
ea17 1342 1342/1342 1342 ± 0 6.21 5.833/6.938 6.354 ± 0.8312
ea18 1342 1342/1342 1342 ± 0 6.407 5.942/7.024 6.509 ± 0.7045
ea19 1342 1342/1342 1342 ± 0 6.038 5.538/6.601 6.127 ± 0.7025
ea20 1342 1342/1342 1342 ± 0 6.046 5.813/6.134 5.909 ± 0.4384
ea21 1342 1342/1342 1342 ± 0 5.458 5.074/5.89 5.535 ± 0.5056
ea22 1342 1342/1342 1342 ± 0 5.984 5.517/6.423 6.022 ± 0.6449
ea23 1342 1342/1342 1342 ± 0 6.179 5.499/6.346 6.077 ± 0.6411
ea24 1342 1342/1342 1342 ± 0 6.311 5.412/6.785 6.117 ± 0.6618
ea25 1342 1342/1342 1342 ± 0 6.63 5.827/7.216 6.606 ± 0.8383
ea27 1342 1342/1342 1342 ± 0 6.017 5.398/6.471 5.95 ± 0.5783
ea28 1342 1342/1342 1342 ± 0 6.542 5.806/7.142 6.494 ± 0.6944
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 ± 0.00002306 5.568 5.383/5.742 5.57 ± 0.2668
3 1342 1342/1342 1342 ± 0.00003299 4.588 4.359/5.043 4.731 ± 0.6087
4 1342 1342/1342 1342 ± 0.00002306 5.406 5.263/5.673 5.452 ± 0.3078
5 1342 1342/1342 1342 ± 0.00002306 5.51 5.262/5.791 5.564 ± 0.3021
6 1342 1342/1342 1342 ± 0.00002306 5.507 5.179/5.699 5.448 ± 0.2823
7 1342 1342/1342 1342 ± 0.00002306 5.55 5.411/5.782 5.567 ± 0.26
8 1342 1342/1342 1342 ± 0.00002306 5.523 5.23/5.652 5.489 ± 0.298
9 1342 1342/1342 1342 ± 0.00002306 5.796 5.66/6.004 5.809 ± 0.308
10 1342 1342/1342 1342 ± 0.00002348 6.268 6.125/6.362 6.245 ± 0.269
11 1342 1342/1342 1342 ± 0.00002348 6.466 6.248/6.673 6.464 ± 0.2863
12 1342 1342/1342 1342 ± 0.00002348 6.584 6.379/6.81 6.61 ± 0.3364
13 1342 1342/1342 1342 ± 0.00002348 7.039 6.8/7.36 7.075 ± 0.3473
14 1342 1342/1342 1342 ± 0.00002348 7.329 7.064/7.495 7.292 ± 0.3645
15 1342 1342/1342 1342 ± 0.00002348 7.002 6.687/7.281 6.994 ± 0.3681
16 1342 1342/1342 1342 ± 0.00002348 6.364 6.047/6.699 6.365 ± 0.3996
17 1342 1342/1342 1342 ± 0.00002348 6.303 6.095/6.572 6.319 ± 0.3838
output_dir
 
overwrite_modelcol
False
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-30 12:56:25.973
End
2025-07-30 14:16:51.871
Duration
1:20:25.898
Note, WebLog generation is not included in the time.

CASA logs for stage 8