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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.257 5.609/6.648 6.193 ± 0.6556
ea02 1342 1342/1342 1342 ± 0 5.841 5.118/6.054 5.725 ± 0.6132
ea03 1342 1342/1342 1342 ± 0 6.268 5.419/6.9 6.252 ± 0.7863
ea04 1342 1342/1342 1342 ± 0 5.786 5.154/6.194 5.737 ± 0.6281
ea05 1342 1342/1342 1342 ± 0 6.23 5.409/6.906 6.156 ± 0.7194
ea06 1342 1342/1342 1342 ± 0 6.321 5.232/6.526 6.011 ± 0.733
ea07 1342 1342/1342 1342 ± 0 5.884 5.071/6.188 5.736 ± 0.7189
ea08 1342 1342/1342 1342 ± 0 5.877 4.842/6.067 5.615 ± 0.7099
ea09 1342 1342/1342 1342 ± 0 5.63 5.037/6.371 5.713 ± 0.6833
ea10 1342 1342/1342 1342 ± 0 5.854 5.195/6.288 5.76 ± 0.6195
ea11 1342 1342/1342 1342 ± 0 5.825 5.41/6.684 5.978 ± 0.7605
ea12 1342 1342/1342 1342 ± 0 5.807 5.304/6.417 5.873 ± 0.6511
ea13 1342 1342/1342 1342 ± 0 5.661 4.822/5.76 5.41 ± 0.5618
ea14 1342 1342/1342 1342 ± 0 6.272 5.714/6.764 6.275 ± 0.6149
ea15 1342 1342/1342 1342 ± 0 6.285 5.549/6.723 6.203 ± 0.7397
ea16 1342 1342/1342 1342 ± 0 6.412 5.736/6.945 6.411 ± 0.7432
ea17 1342 1342/1342 1342 ± 0 6.18 5.677/7.063 6.281 ± 0.7406
ea18 1342 1342/1342 1342 ± 0 6.164 5.63/6.437 6.054 ± 0.4896
ea19 1342 1342/1342 1342 ± 0 6.291 5.522/6.799 6.217 ± 0.6906
ea20 1342 1342/1342 1342 ± 0 6.309 5.64/6.851 6.208 ± 0.711
ea21 1342 1342/1342 1342 ± 0 5.617 5.069/6.026 5.593 ± 0.5809
ea22 1342 1342/1342 1342 ± 0 5.661 4.877/5.977 5.481 ± 0.6376
ea23 1342 1342/1342 1342 ± 0 6.248 5.503/6.479 6.138 ± 0.7003
ea24 1342 1342/1342 1342 ± 0 5.653 4.562/5.917 5.332 ± 0.691
ea25 1342 1342/1342 1342 ± 0 6.713 5.782/7.264 6.635 ± 0.8815
ea27 1342 1342/1342 1342 ± 0 6.249 5.365/6.702 6.086 ± 0.7066
ea28 1342 1342/1342 1342 ± 0 6.127 5.386/6.631 6.009 ± 0.6859
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 ± 0.00002383 5.45 5.224/5.592 5.351 ± 0.3445
4 1342 1342/1342 1342 ± 0.00002421 5.173 4.943/5.431 5.206 ± 0.3537
5 1342 1342/1342 1342 ± 0.00002349 5.174 4.954/5.342 5.168 ± 0.3243
6 1342 1342/1342 1342 ± 0.00002349 5.024 4.849/5.342 5.098 ± 0.2813
7 1342 1342/1342 1342 ± 0.00002349 5.412 4.992/5.606 5.323 ± 0.3277
8 1342 1342/1342 1342 ± 0.00002331 5.386 5.107/5.612 5.321 ± 0.3628
9 1342 1342/1342 1342 ± 0.00002307 5.769 5.342/5.94 5.651 ± 0.3642
10 1342 1342/1342 1342 ± 0.00002307 6.18 5.825/6.346 6.111 ± 0.3224
11 1342 1342/1342 1342 ± 0.00002307 6.374 6.006/6.672 6.33 ± 0.3405
12 1342 1342/1342 1342 ± 0.00002307 6.484 6.072/6.799 6.466 ± 0.3912
13 1342 1342/1342 1342 ± 0.00002307 6.946 6.567/7.277 6.915 ± 0.4387
14 1342 1342/1342 1342 ± 0.00002307 7.161 6.757/7.381 7.086 ± 0.43
15 1342 1342/1342 1342 ± 0.00002307 6.789 6.502/7.072 6.814 ± 0.4049
16 1342 1342/1342 1342 ± 0.00002307 6.263 5.959/6.533 6.267 ± 0.3694
17 1342 1342/1342 1342 ± 0.00002307 6.186 5.963/6.487 6.187 ± 0.3657
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
overwrite_modelcol
False
Start time
2025-07-29 06:05:09.146
End
2025-07-29 07:23:38.883
Duration
1:18:29.737
Note, WebLog generation is not included in the time.

CASA logs for stage 8