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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.463 5.115/5.922 5.573 ± 0.5453
ea02 1342 1342/1342 1342 ± 0 5.496 5.314/6.371 5.843 ± 0.6579
ea04 1342 1342/1342 1342 ± 0 5.283 5.012/5.856 5.459 ± 0.5552
ea05 1342 1342/1342 1342 ± 0 5.512 5.143/6.014 5.626 ± 0.5808
ea06 1342 1342/1342 1342 ± 0 5.002 4.68/5.531 5.114 ± 0.5022
ea07 1342 1342/1342 1342 ± 0 5.83 5.318/6.077 5.843 ± 0.5717
ea08 1342 1342/1342 1342 ± 0 5.566 5.37/6.478 5.911 ± 0.6814
ea09 1342 1342/1342 1342 ± 0 5.538 5.122/6.151 5.617 ± 0.6362
ea10 1342 1342/1342 1342 ± 0 5.793 5.132/6.407 5.781 ± 0.6867
ea11 1342 1342/1342 1342 ± 0 5.629 5.044/6.198 5.668 ± 0.674
ea12 1342 1342/1342 1342 ± 0 5.638 5.25/6.271 5.811 ± 0.6474
ea13 1342 1342/1342 1342 ± 0 5.952 5.639/6.244 6.03 ± 0.517
ea14 1342 1342/1342 1342 ± 0 5.657 5.151/6.262 5.756 ± 0.6667
ea15 1342 1342/1342 1342 ± 0 5.466 5.025/6.1 5.623 ± 0.6807
ea16 1342 1342/1342 1342 ± 0 5.987 5.546/6.656 6.147 ± 0.7247
ea17 1342 1342/1342 1342 ± 0.000004005 5.804 5.464/6.366 5.947 ± 0.6336
ea18 1342 1342/1342 1342 ± 0 4.889 4.626/5.341 5.012 ± 0.5152
ea19 1342 1342/1342 1342 ± 0 5.852 5.43/6.576 6.05 ± 0.6533
ea20 1342 1342/1342 1342 ± 0 5.953 5.632/6.643 6.123 ± 0.6595
ea21 1342 1342/1342 1342 ± 0 5.593 5.248/6.097 5.713 ± 0.5505
ea22 1342 1342/1342 1342 ± 0 5.402 5.057/6.091 5.594 ± 0.6708
ea23 1342 1342/1342 1342 ± 0 5.872 5.356/6.273 5.948 ± 0.6788
ea25 1342 1342/1342 1342 ± 0 5.404 5.137/5.955 5.551 ± 0.566
ea26 1342 1342/1342 1342 ± 0 6.015 5.546/6.777 6.079 ± 0.6543
ea27 1342 1342/1342 1342 ± 0.00003154 5.424 5.142/6.205 5.613 ± 0.5899
ea28 1342 1342/1342 1342 ± 0.00002907 5.51 5.294/6.273 5.739 ± 0.6604
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 5.246 5.093/5.497 5.253 ± 0.2524
3 1342 1342/1342 1342 ± 0.00002348 5.132 4.986/5.371 5.174 ± 0.2878
4 1342 1342/1342 1342 ± 0.00002372 5.116 4.827/5.286 5.033 ± 0.3191
5 1342 1342/1342 1342 ± 0.00002348 5.114 4.89/5.283 5.108 ± 0.2906
6 1342 1342/1342 1342 ± 0.00002348 5.198 5.03/5.41 5.188 ± 0.2829
7 1342 1342/1342 1342 ± 0.00002348 5.248 5.109/5.402 5.246 ± 0.2578
8 1342 1342/1342 1342 ± 0.00002348 5.274 5.009/5.356 5.195 ± 0.2765
9 1342 1342/1342 1342 ± 0.00002348 5.484 5.315/5.738 5.478 ± 0.3117
10 1342 1342/1342 1342 ± 0.00002348 5.941 5.724/6.095 5.896 ± 0.2984
11 1342 1342/1342 1342 ± 0.00002348 6.184 5.966/6.313 6.111 ± 0.3031
12 1342 1342/1342 1342 ± 0.00002348 6.252 6.061/6.491 6.206 ± 0.4478
13 1342 1342/1342 1342 ± 0.00002348 6.713 6.619/6.852 6.707 ± 0.336
14 1342 1342/1342 1342 ± 0.00002348 6.941 6.679/7.115 6.901 ± 0.3676
15 1342 1342/1342 1342 ± 0.00002348 6.645 6.378/6.824 6.554 ± 0.3626
16 1342 1342/1342 1342 ± 0.00003396 5.837 5.546/6.142 5.847 ± 0.375
17 1342 1342/1342 1342 ± 0.00003204 5.899 5.582/6.164 5.879 ± 0.3616
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
Start time
2025-01-08 10:40:21.110
End
2025-01-08 11:40:51.985
Duration
1:00:30.874
Note, WebLog generation is not included in the time.

CASA logs for stage 8