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 5.33 5.029/5.772 5.459 ± 0.5256
ea02 1342 1342/1342 1342 ± 0 5.487 5.173/6.246 5.747 ± 0.6404
ea04 1342 1342/1342 1342 ± 0 5.23 4.929/5.913 5.437 ± 0.5719
ea05 1342 1342/1342 1342 ± 0 5.433 5.033/5.965 5.548 ± 0.5905
ea06 1342 1342/1342 1342 ± 0 4.911 4.555/5.429 5.008 ± 0.5137
ea07 1342 1342/1342 1342 ± 0 5.721 5.221/6.036 5.734 ± 0.5767
ea08 1342 1342/1342 1342 ± 0 5.587 5.246/6.361 5.848 ± 0.6562
ea09 1342 1342/1342 1342 ± 0 5.369 5.045/6.073 5.547 ± 0.6148
ea10 1342 1342/1342 1342 ± 0 5.677 5.023/6.318 5.668 ± 0.6836
ea11 1342 1342/1342 1342 ± 0 5.572 4.945/6.073 5.582 ± 0.645
ea12 1342 1342/1342 1342 ± 0 5.5 5.085/6.172 5.708 ± 0.65
ea13 1342 1342/1342 1342 ± 0 5.79 5.507/6.139 5.903 ± 0.5
ea14 1342 1342/1342 1342 ± 0 5.509 4.996/6.12 5.605 ± 0.6711
ea15 1342 1342/1342 1342 ± 0 5.336 4.866/6.026 5.495 ± 0.6776
ea16 1342 1342/1342 1342 ± 0 5.838 5.372/6.514 5.995 ± 0.7308
ea17 1342 1342/1342 1342 ± 0 5.676 5.282/6.237 5.804 ± 0.6221
ea18 1342 1342/1342 1342 ± 0 4.788 4.523/5.261 4.921 ± 0.5069
ea19 1342 1342/1342 1342 ± 0 5.709 5.287/6.458 5.922 ± 0.6543
ea20 1342 1342/1342 1342 ± 0 5.874 5.464/6.536 6.041 ± 0.6641
ea21 1342 1342/1342 1342 ± 0 5.486 5.115/5.991 5.597 ± 0.5645
ea22 1342 1342/1342 1342 ± 0 5.313 4.951/5.993 5.505 ± 0.6696
ea23 1342 1342/1342 1342 ± 0 5.749 5.2/6.241 5.831 ± 0.6856
ea25 1342 1342/1342 1342 ± 0 5.317 4.945/5.814 5.433 ± 0.5596
ea26 1342 1342/1342 1342 ± 0 5.709 5.358/6.405 5.904 ± 0.6645
ea27 1342 1342/1342 1342 ± 0 5.346 5/6.141 5.534 ± 0.5916
ea28 1342 1342/1342 1342 ± 0.00002047 5.422 5.117/6.155 5.636 ± 0.6492
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 5.067 4.925/5.323 5.088 ± 0.2398
3 1342 1342/1342 1342 ± 0.00002348 5.072 4.92/5.251 5.077 ± 0.2484
4 1342 1342/1342 1342 ± 0.00002348 4.997 4.797/5.207 4.981 ± 0.3006
5 1342 1342/1342 1342 ± 0.00002348 5.084 4.833/5.2 5.058 ± 0.2924
6 1342 1342/1342 1342 ± 0.00002348 5.057 4.861/5.278 5.054 ± 0.2751
7 1342 1342/1342 1342 ± 0.00002348 5.111 4.949/5.242 5.1 ± 0.2419
8 1342 1342/1342 1342 ± 0.00002348 5.12 4.89/5.249 5.076 ± 0.261
9 1342 1342/1342 1342 ± 0.00002348 5.347 5.233/5.604 5.364 ± 0.2976
10 1342 1342/1342 1342 ± 0.00002348 5.811 5.646/5.963 5.783 ± 0.291
11 1342 1342/1342 1342 ± 0.00002348 6.066 5.886/6.18 6.002 ± 0.296
12 1342 1342/1342 1342 ± 0.00002348 6.173 5.924/6.349 6.1 ± 0.436
13 1342 1342/1342 1342 ± 0.00002348 6.587 6.498/6.736 6.591 ± 0.3277
14 1342 1342/1342 1342 ± 0.00002348 6.822 6.616/6.983 6.78 ± 0.3564
15 1342 1342/1342 1342 ± 0.00002348 6.509 6.273/6.713 6.448 ± 0.3454
16 1342 1342/1342 1342 ± 0.00002414 5.797 5.464/6.003 5.792 ± 0.3561
17 1342 1342/1342 1342 ± 0.00002759 5.791 5.504/6.072 5.807 ± 0.359
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
output_dir
 
Start time
2025-01-08 12:24:23.266
End
2025-01-08 13:21:06.790
Duration
0:56:43.524
Note, WebLog generation is not included in the time.

CASA logs for stage 8