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 6.306 5.706/6.717 6.264 ± 0.6578
ea02 1342 1342/1342 1342 ± 0 5.891 5.211/6.113 5.797 ± 0.6027
ea03 1342 1342/1342 1342 ± 0 6.34 5.53/6.978 6.347 ± 0.7707
ea04 1342 1342/1342 1342 ± 0 5.79 5.203/6.229 5.782 ± 0.6128
ea05 1342 1342/1342 1342 ± 0 6.273 5.464/6.931 6.212 ± 0.7065
ea06 1342 1342/1342 1342 ± 0 6.39 5.333/6.575 6.095 ± 0.7166
ea07 1342 1342/1342 1342 ± 0 5.913 5.163/6.229 5.788 ± 0.7122
ea08 1342 1342/1342 1342 ± 0 5.927 4.921/6.076 5.669 ± 0.6917
ea09 1342 1342/1342 1342 ± 0 5.661 5.07/6.406 5.753 ± 0.6753
ea10 1342 1342/1342 1342 ± 0 5.888 5.256/6.321 5.809 ± 0.6145
ea11 1342 1342/1342 1342 ± 0 5.834 5.446/6.686 6 ± 0.7488
ea12 1342 1342/1342 1342 ± 0 5.857 5.414/6.493 5.942 ± 0.6419
ea13 1342 1342/1342 1342 ± 0 5.681 4.917/5.78 5.449 ± 0.5494
ea14 1342 1342/1342 1342 ± 0 6.291 5.754/6.777 6.318 ± 0.6027
ea15 1342 1342/1342 1342 ± 0 6.315 5.622/6.759 6.27 ± 0.7342
ea16 1342 1342/1342 1342 ± 0 6.466 5.85/6.973 6.484 ± 0.7211
ea17 1342 1342/1342 1342 ± 0 6.199 5.741/7.109 6.341 ± 0.7311
ea18 1342 1342/1342 1342 ± 0 6.181 5.663/6.473 6.093 ± 0.4874
ea19 1342 1342/1342 1342 ± 0 6.317 5.599/6.842 6.269 ± 0.6759
ea20 1342 1342/1342 1342 ± 0 6.35 5.702/6.9 6.269 ± 0.7077
ea21 1342 1342/1342 1342 ± 0 5.638 5.109/6.028 5.619 ± 0.5604
ea22 1342 1342/1342 1342 ± 0 5.685 4.938/5.997 5.523 ± 0.6175
ea23 1342 1342/1342 1342 ± 0 6.269 5.562/6.477 6.168 ± 0.6931
ea24 1342 1342/1342 1342 ± 0 5.717 4.582/5.937 5.359 ± 0.7001
ea25 1342 1342/1342 1342 ± 0 6.735 5.814/7.266 6.669 ± 0.8635
ea27 1342 1342/1342 1342 ± 0 6.228 5.389/6.691 6.094 ± 0.6935
ea28 1342 1342/1342 1342 ± 0 6.123 5.401/6.649 6.032 ± 0.6886
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 ± 0.00002382 5.516 5.324/5.676 5.438 ± 0.3452
4 1342 1342/1342 1342 ± 0.0000242 5.265 5.051/5.5 5.293 ± 0.3603
5 1342 1342/1342 1342 ± 0.00002348 5.235 4.998/5.443 5.247 ± 0.3459
6 1342 1342/1342 1342 ± 0.00002348 5.072 4.902/5.404 5.149 ± 0.2952
7 1342 1342/1342 1342 ± 0.00002348 5.452 5.066/5.658 5.378 ± 0.3369
8 1342 1342/1342 1342 ± 0.0000233 5.401 5.157/5.661 5.373 ± 0.3684
9 1342 1342/1342 1342 ± 0.00002306 5.769 5.376/5.982 5.696 ± 0.3678
10 1342 1342/1342 1342 ± 0.00002306 6.199 5.842/6.397 6.143 ± 0.3238
11 1342 1342/1342 1342 ± 0.00002306 6.445 6.057/6.685 6.362 ± 0.3389
12 1342 1342/1342 1342 ± 0.00002306 6.496 6.109/6.842 6.499 ± 0.3934
13 1342 1342/1342 1342 ± 0.00002306 7.003 6.623/7.338 6.958 ± 0.4454
14 1342 1342/1342 1342 ± 0.00002306 7.173 6.802/7.443 7.138 ± 0.4334
15 1342 1342/1342 1342 ± 0.00002306 6.829 6.533/7.096 6.85 ± 0.4109
16 1342 1342/1342 1342 ± 0.00002306 6.27 6.018/6.613 6.301 ± 0.3815
17 1342 1342/1342 1342 ± 0.00002306 6.211 5.968/6.551 6.222 ± 0.3746
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-29 07:25:27.926
End
2025-07-29 08:34:34.222
Duration
1:09:06.296
Note, WebLog generation is not included in the time.

CASA logs for stage 8