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

Statwt Summary Plot

VLASS3.2.sb45651824.eb45865366.60434.814344212966_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 6.141 5.125/6.512 5.891 ± 0.7963
ea02 1342 1342/1342 1342 ± 0 6.147 5.533/6.426 6.149 ± 0.6656
ea03 1342 1342/1342 1342 ± 0 6.072 5.259/6.598 5.934 ± 0.7179
ea04 1342 1342/1342 1342 ± 0 5.55 5.041/5.943 5.503 ± 0.5142
ea05 1342 1342/1342 1342 ± 0.000005677 5.505 5.296/6.349 5.789 ± 0.6408
ea06 1342 1342/1342 1342 ± 0 5.78 5.005/6.033 5.611 ± 0.6325
ea07 1342 1342/1342 1342 ± 0 6.06 5.043/6.203 5.783 ± 0.7517
ea08 1342 1342/1342 1342 ± 0 6.353 5.512/6.717 6.179 ± 0.7763
ea09 1342 1342/1342 1342 ± 0.000005377 5.828 5.023/6.346 5.743 ± 0.678
ea10 1342 1342/1342 1342 ± 0 5.303 4.76/5.961 5.352 ± 0.6357
ea11 1342 1342/1342 1342 ± 0.00001352 5.159 4.824/6.079 5.401 ± 0.721
ea12 1342 1342/1342 1342 ± 0 5.469 5.125/6.232 5.641 ± 0.571
ea13 1342 1342/1342 1342 ± 0 6.144 5.425/6.207 5.96 ± 0.5507
ea14 1342 1342/1342 1342 ± 0.000007743 5.696 5.36/6.438 5.864 ± 0.6004
ea15 1342 1342/1342 1342 ± 0.000006408 6.348 5.555/6.724 6.295 ± 0.7157
ea16 1342 1342/1342 1342 ± 0 6.167 5.514/6.635 6.117 ± 0.7521
ea17 1342 1342/1342 1342 ± 0 6.176 5.463/6.867 6.08 ± 0.7368
ea18 1342 1342/1342 1342 ± 0 6.347 5.717/7.174 6.42 ± 0.7761
ea19 1342 1342/1342 1342 ± 0 5.769 4.754/6.535 5.689 ± 0.828
ea20 1342 1342/1342 1342 ± 0 7 6.997/7.003 7 ± 0.004373
ea21 1342 1342/1342 1342 ± 0 5.468 5/5.883 5.518 ± 0.5206
ea22 1342 1342/1342 1342 ± 0 6.222 5.388/6.634 5.985 ± 0.7662
ea23 1342 1342/1342 1342 ± 0.000004695 5.56 5.158/6.267 5.745 ± 0.7519
ea24 1342 1342/1342 1342 ± 0 6.12 4.925/6.454 5.743 ± 0.8333
ea25 1342 1342/1342 1342 ± 0 6.494 5.279/6.808 6.284 ± 0.8831
ea27 1342 1342/1342 1342 ± 0 5.63 5.002/6.361 5.677 ± 0.6589
ea28 1342 1342/1342 1342 ± 0 6.554 5.53/6.961 6.371 ± 0.767
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 5.022 4.712/5.243 5.024 ± 0.3386
4 1342 1342/1342 1342 ± 0.00003013 4.824 4.632/5.047 4.819 ± 0.3462
5 1342 1342/1342 1342 ± 0.00002359 5.298 5.083/5.567 5.32 ± 0.2966
6 1342 1342/1342 1342 ± 0.00002348 5.072 4.814/5.441 5.11 ± 0.3079
7 1342 1342/1342 1342 ± 0.00002348 5.194 5/5.357 5.18 ± 0.2553
8 1342 1342/1342 1342 ± 0.00002348 5.104 4.994/5.342 5.135 ± 0.2849
9 1342 1342/1342 1342 ± 0.00002348 5.385 5.159/5.696 5.427 ± 0.2735
10 1342 1342/1342 1342 ± 0.00002392 6.112 5.968/6.211 6.082 ± 0.2672
11 1342 1342/1342 1342 ± 0.00002348 6.298 6.129/6.42 6.294 ± 0.2837
12 1342 1342/1342 1342 ± 0.00002348 6.448 6.205/6.64 6.441 ± 0.3244
13 1342 1342/1342 1342 ± 0.00002336 6.891 6.557/7.15 6.877 ± 0.3542
14 1342 1342/1342 1342 ± 0.00002348 6.993 6.619/7.291 6.982 ± 0.423
15 1342 1342/1342 1342 ± 0.00002348 6.666 6.445/7.075 6.699 ± 0.4029
16 1342 1342/1342 1342 ± 0.00002671 6.102 5.583/6.347 6.021 ± 0.4664
17 1342 1342/1342 1342 ± 0.00002392 6.1 5.634/6.274 5.984 ± 0.4425
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45651824.eb45865366.60434.814344212966_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-24 10:04:18.943
End
2025-07-24 11:05:16.999
Duration
1:00:58.056
Note, WebLog generation is not included in the time.

CASA logs for stage 8