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

Statwt Summary Plot

VLASS2.2.sb41091780.eb41118353.59587.60322896991_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 4.746 4.624/5.516 4.896 ± 0.6583
ea02 1342 1342/1342 1342 ± 0.00003625 4.89 4.572/5.739 5.001 ± 0.8297
ea03 1342 1342/1342 1342 ± 0.0000499 4.353 4.17/5.466 4.544 ± 0.7931
ea04 1342 1342/1342 1342 ± 0 4.646 4.439/5.421 4.919 ± 0.5904
ea05 1342 1342/1342 1342 ± 0.0000373 4.53 4.4/5.575 4.739 ± 0.834
ea06 1342 1342/1342 1342 ± 0.00001821 4.638 4.396/5.558 4.717 ± 0.8522
ea07 1342 1342/1342 1342 ± 0.000001155 4.569 4.415/5.435 4.85 ± 0.732
ea08 1342 1342/1342 1342 ± 0.00004393 4.726 4.424/5.59 4.872 ± 0.6414
ea09 1342 1342/1342 1342 ± 0.00003804 4.618 4.472/5.466 4.839 ± 0.6309
ea10 1342 1342/1342 1342 ± 0.00002012 4.64 4.177/5.669 4.776 ± 0.8075
ea12 1342 1342/1342 1342 ± 0.00003813 4.68 4.494/5.606 4.859 ± 0.8358
ea13 1342 1342/1342 1342 ± 0.00005147 5.462 4.685/5.573 4.961 ± 0.8543
ea14 1342 1342/1342 1342 ± 0.000005163 4.908 4.556/5.832 4.982 ± 0.8135
ea15 1342 1342/1342 1342 ± 0.00002848 4.432 4.217/5.493 4.687 ± 0.7246
ea16 1342 1342/1342 1342 ± 0.000001155 4.713 4.446/5.571 4.947 ± 0.7489
ea17 1342 1342/1342 1342 ± 0.000001155 4.974 4.472/5.812 5.024 ± 0.8961
ea18 1342 1342/1342 1342 ± 0.00003379 3.981 3.771/4.575 4.027 ± 0.6117
ea19 1342 1342/1342 1342 ± 0.00001195 4.722 4.647/5.841 4.941 ± 0.836
ea20 1342 1342/1342 1342 ± 0.00003174 4.665 4.338/5.458 4.721 ± 0.7873
ea21 1342 1342/1342 1342 ± 0.000001686 4.666 4.361/5.532 4.886 ± 0.6542
ea22 1342 1342/1342 1342 ± 0.00003937 4.795 4.334/5.657 4.852 ± 0.8516
ea23 1342 1342/1342 1342 ± 0.00003721 4.455 4.395/4.688 4.429 ± 0.4335
ea24 1342 1342/1342 1342 ± 0.000007385 4.465 4.394/5.498 4.831 ± 0.7114
ea25 1342 1342/1342 1342 ± 0 4.855 4.347/5.781 5.007 ± 0.8027
ea26 1342 1342/1342 1342 ± 0.000003652 4.875 4.546/5.806 5.02 ± 0.756
ea27 1342 1342/1342 1342 ± 0.00002575 4.587 4.275/5.738 4.79 ± 0.8614
ea28 1342 1342/1342 1342 ± 0.00004215 4.718 4.446/5.751 4.892 ± 0.7924
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 ± 0.00002346 4.411 4.222/4.525 4.389 ± 0.1996
4 1342 1342/1342 1342 ± 0.00005683 3.461 3.281/3.614 3.447 ± 0.2335
5 1342 1342/1342 1342 ± 0.00002346 4.475 4.392/4.647 4.471 ± 0.2408
6 1342 1342/1342 1342 ± 0.00002346 4.54 4.416/4.645 4.49 ± 0.2022
7 1342 1342/1342 1342 ± 0.00002346 4.567 4.44/4.627 4.528 ± 0.1836
8 1342 1342/1342 1342 ± 0.00002346 4.581 4.426/4.714 4.58 ± 0.2116
9 1342 1342/1342 1342 ± 0.00002346 4.853 4.747/4.979 4.829 ± 0.2372
10 1342 1342/1342 1342 ± 0.00002349 5.321 5.224/5.384 5.26 ± 0.2535
11 1342 1342/1342 1342 ± 0.00002349 5.601 5.502/5.724 5.577 ± 0.2519
12 1342 1342/1342 1342 ± 0.00002349 5.794 5.594/5.904 5.76 ± 0.279
13 1342 1342/1342 1342 ± 0.00002349 5.9 5.728/6.041 5.877 ± 0.3114
14 1342 1342/1342 1342 ± 0.00002683 5.414 5.142/5.801 5.445 ± 0.4234
15 1342 1342/1342 1342 ± 0.00002349 5.736 5.545/5.947 5.713 ± 0.3394
16 1342 1342/1342 1342 ± 0.0000592 3.732 3.53/4.048 3.793 ± 0.3714
17 1342 1342/1342 1342 ± 0.00005797 3.641 3.517/3.893 3.729 ± 0.3505
overwrite_modelcol
False
output_dir
 
vis
VLASS2.2.sb41091780.eb41118353.59587.60322896991_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-06-17 13:10:09.358
End
2025-06-17 14:21:15.856
Duration
1:11:06.498
Note, WebLog generation is not included in the time.

CASA logs for stage 8