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 5.317 5.02/5.777 5.457 ± 0.524
ea02 1342 1342/1342 1342 ± 0 5.473 5.175/6.244 5.739 ± 0.635
ea04 1342 1342/1342 1342 ± 0 5.219 4.916/5.899 5.425 ± 0.5705
ea05 1342 1342/1342 1342 ± 0 5.434 5.029/5.957 5.545 ± 0.5895
ea06 1342 1342/1342 1342 ± 0 4.917 4.539/5.417 4.994 ± 0.5132
ea07 1342 1342/1342 1342 ± 0 5.705 5.202/6.014 5.715 ± 0.5748
ea08 1342 1342/1342 1342 ± 0 5.622 5.241/6.354 5.844 ± 0.6531
ea09 1342 1342/1342 1342 ± 0 5.372 5.041/6.057 5.542 ± 0.6142
ea10 1342 1342/1342 1342 ± 0 5.649 5.006/6.314 5.66 ± 0.6825
ea11 1342 1342/1342 1342 ± 0 5.562 4.934/6.064 5.575 ± 0.6495
ea12 1342 1342/1342 1342 ± 0 5.484 5.067/6.157 5.69 ± 0.6526
ea13 1342 1342/1342 1342 ± 0 5.772 5.507/6.13 5.889 ± 0.4944
ea14 1342 1342/1342 1342 ± 0 5.496 4.982/6.105 5.59 ± 0.6747
ea15 1342 1342/1342 1342 ± 0 5.331 4.843/6.007 5.477 ± 0.6801
ea16 1342 1342/1342 1342 ± 0 5.825 5.359/6.498 5.978 ± 0.7315
ea17 1342 1342/1342 1342 ± 0 5.688 5.281/6.217 5.8 ± 0.618
ea18 1342 1342/1342 1342 ± 0 4.78 4.515/5.253 4.913 ± 0.505
ea19 1342 1342/1342 1342 ± 0 5.705 5.274/6.451 5.91 ± 0.6554
ea20 1342 1342/1342 1342 ± 0 5.85 5.444/6.522 6.026 ± 0.6649
ea21 1342 1342/1342 1342 ± 0 5.479 5.11/5.982 5.585 ± 0.5632
ea22 1342 1342/1342 1342 ± 0 5.309 4.931/5.981 5.495 ± 0.6686
ea23 1342 1342/1342 1342 ± 0 5.725 5.189/6.211 5.813 ± 0.6838
ea25 1342 1342/1342 1342 ± 0 5.304 4.941/5.809 5.424 ± 0.5578
ea26 1342 1342/1342 1342 ± 0 5.713 5.345/6.391 5.892 ± 0.6617
ea27 1342 1342/1342 1342 ± 0 5.326 5.002/6.13 5.523 ± 0.588
ea28 1342 1342/1342 1342 ± 0.00002124 5.425 5.116/6.142 5.638 ± 0.6376
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 5.073 4.929/5.29 5.081 ± 0.2389
3 1342 1342/1342 1342 ± 0.00002348 5.064 4.922/5.227 5.067 ± 0.2409
4 1342 1342/1342 1342 ± 0.00002348 4.977 4.794/5.195 4.972 ± 0.3031
5 1342 1342/1342 1342 ± 0.00002348 5.067 4.819/5.185 5.043 ± 0.2951
6 1342 1342/1342 1342 ± 0.00002348 5.052 4.84/5.26 5.045 ± 0.2758
7 1342 1342/1342 1342 ± 0.00002348 5.102 4.944/5.241 5.089 ± 0.2409
8 1342 1342/1342 1342 ± 0.00002348 5.11 4.875/5.242 5.065 ± 0.2611
9 1342 1342/1342 1342 ± 0.00002348 5.357 5.239/5.591 5.355 ± 0.2945
10 1342 1342/1342 1342 ± 0.00002348 5.804 5.646/5.95 5.774 ± 0.2877
11 1342 1342/1342 1342 ± 0.00002348 6.063 5.877/6.165 5.99 ± 0.2954
12 1342 1342/1342 1342 ± 0.00002348 6.165 5.903/6.337 6.089 ± 0.4361
13 1342 1342/1342 1342 ± 0.00002348 6.569 6.472/6.722 6.581 ± 0.326
14 1342 1342/1342 1342 ± 0.00002348 6.81 6.601/6.958 6.765 ± 0.3565
15 1342 1342/1342 1342 ± 0.00002348 6.498 6.289/6.694 6.434 ± 0.3429
16 1342 1342/1342 1342 ± 0.00002438 5.787 5.478/5.985 5.786 ± 0.351
17 1342 1342/1342 1342 ± 0.00002772 5.783 5.511/6.046 5.798 ± 0.3504
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-08 12:44:16.902
End
2025-01-08 13:40:00.071
Duration
0:55:43.169
Note, WebLog generation is not included in the time.

CASA logs for stage 8