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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.93 5.698/6.451 6.111 ± 0.4985
ea02 1342 1342/1342 1342 ± 0 6.026 5.655/6.643 6.166 ± 0.5592
ea03 1342 1342/1342 1342 ± 0.00001106 5.226 5.103/6.317 5.593 ± 0.6174
ea04 1342 1342/1342 1342 ± 0.000001105 5.542 5.191/5.91 5.644 ± 0.4892
ea06 1342 1342/1342 1342 ± 0 5.982 5.46/6.302 5.95 ± 0.5047
ea07 1342 1342/1342 1342 ± 0 5.63 5.369/5.782 5.636 ± 0.3878
ea08 1342 1342/1342 1342 ± 0.00000576 6.075 5.931/6.678 6.308 ± 0.53
ea09 1342 1342/1342 1342 ± 0 5.984 5.464/6.561 6.011 ± 0.5756
ea10 1342 1342/1342 1342 ± 0 5.63 5.464/6.347 5.861 ± 0.5003
ea11 1342 1342/1342 1342 ± 0 6.046 5.664/6.604 6.177 ± 0.59
ea12 1342 1342/1342 1342 ± 0 5.975 5.623/6.526 6.088 ± 0.5626
ea13 1342 1342/1342 1342 ± 0.000001954 6.184 5.666/6.496 6.165 ± 0.52
ea14 1342 1342/1342 1342 ± 0 5.813 5.521/6.421 5.989 ± 0.5658
ea15 1342 1342/1342 1342 ± 0 5.749 5.41/6.347 5.897 ± 0.5965
ea16 1342 1342/1342 1342 ± 0 5.938 5.579/6.367 6.024 ± 0.5043
ea17 1342 1342/1342 1342 ± 0 6.477 6.162/7.093 6.576 ± 0.5302
ea18 1342 1342/1342 1342 ± 0 4.765 4.48/5.009 4.758 ± 0.3378
ea19 1342 1342/1342 1342 ± 0 5.995 5.796/6.688 6.225 ± 0.536
ea20 1342 1342/1342 1342 ± 0 5.883 5.735/6.729 6.144 ± 0.5321
ea21 1342 1342/1342 1342 ± 0.000007902 5.772 5.538/6.341 5.975 ± 0.48
ea22 1342 1342/1342 1342 ± 0 6.083 5.651/6.553 6.1 ± 0.5173
ea23 1342 1342/1342 1342 ± 0 5.886 5.711/6.606 6.195 ± 0.6026
ea24 1342 1342/1342 1342 ± 0 5.948 5.377/6.445 5.888 ± 0.5407
ea25 1342 1342/1342 1342 ± 0 5.845 5.314/5.999 5.833 ± 0.5697
ea26 1342 1342/1342 1342 ± 0 6.048 5.649/6.754 6.156 ± 0.5386
ea27 1342 1342/1342 1342 ± 0 5.809 5.583/6.629 6.015 ± 0.5708
ea28 1342 1342/1342 1342 ± 0 5.745 5.601/6.537 6.055 ± 0.5695
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 ± 0.00002307 5.716 5.606/5.887 5.677 ± 0.32
4 1342 1342/1342 1342 ± 0.00002591 5.371 5.069/5.583 5.329 ± 0.4373
5 1342 1342/1342 1342 ± 0.00002307 5.633 5.428/5.875 5.603 ± 0.3727
6 1342 1342/1342 1342 ± 0.00002307 5.466 5.37/5.681 5.47 ± 0.3016
7 1342 1342/1342 1342 ± 0.00002307 5.539 5.367/5.705 5.513 ± 0.2987
8 1342 1342/1342 1342 ± 0.00002307 5.475 5.237/5.661 5.444 ± 0.3184
9 1342 1342/1342 1342 ± 0.00002307 5.741 5.64/5.909 5.714 ± 0.3416
10 1342 1342/1342 1342 ± 0.00002307 6.166 5.941/6.345 6.098 ± 0.3603
11 1342 1342/1342 1342 ± 0.00002307 6.364 6.209/6.497 6.288 ± 0.3617
12 1342 1342/1342 1342 ± 0.00002307 6.457 6.322/6.61 6.403 ± 0.3955
13 1342 1342/1342 1342 ± 0.00002307 6.83 6.651/7.009 6.791 ± 0.4056
14 1342 1342/1342 1342 ± 0.00002307 7.05 6.847/7.165 6.963 ± 0.3872
15 1342 1342/1342 1342 ± 0.00002307 6.731 6.507/6.86 6.641 ± 0.3927
16 1342 1342/1342 1342 ± 0.0000246 5.915 5.67/6.075 5.877 ± 0.3565
17 1342 1342/1342 1342 ± 0.00002388 5.853 5.606/5.959 5.765 ± 0.3238
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
Start time
2025-05-14 12:45:56.658
End
2025-05-14 14:05:00.964
Duration
1:19:04.307
Note, WebLog generation is not included in the time.

CASA logs for stage 8