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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.51 5.272/6.067 5.688 ± 0.5159
ea02 1342 1342/1342 1342 ± 0.000008678 5.769 5.375/6.479 5.966 ± 0.6665
ea04 1342 1342/1342 1342 ± 0 5.434 5.117/6.039 5.623 ± 0.5685
ea05 1342 1342/1342 1342 ± 0 5.717 5.237/6.17 5.743 ± 0.5886
ea06 1342 1342/1342 1342 ± 0 4.887 4.636/5.284 4.97 ± 0.3949
ea07 1342 1342/1342 1342 ± 0 5.918 5.463/6.246 5.978 ± 0.5666
ea08 1342 1342/1342 1342 ± 0.00002397 5.825 5.542/6.609 6.053 ± 0.6783
ea09 1342 1342/1342 1342 ± 0.000007011 5.598 5.192/6.239 5.712 ± 0.6368
ea10 1342 1342/1342 1342 ± 0 5.843 5.364/6.516 5.901 ± 0.647
ea11 1342 1342/1342 1342 ± 0 5.748 5.08/6.25 5.738 ± 0.6634
ea12 1342 1342/1342 1342 ± 0 6.225 6.017/6.633 6.327 ± 0.3991
ea13 1342 1342/1342 1342 ± 0 5.948 5.709/6.327 6.092 ± 0.4942
ea14 1342 1342/1342 1342 ± 0 5.768 5.239/6.332 5.828 ± 0.6618
ea15 1342 1342/1342 1342 ± 0 5.574 5.047/6.206 5.697 ± 0.7076
ea16 1342 1342/1342 1342 ± 0 6.087 5.628/6.71 6.224 ± 0.699
ea17 1342 1342/1342 1342 ± 0.00002086 5.934 5.565/6.463 6.079 ± 0.6194
ea18 1342 1342/1342 1342 ± 0 4.947 4.632/5.448 5.069 ± 0.4999
ea19 1342 1342/1342 1342 ± 0 5.868 5.422/6.466 6.023 ± 0.6131
ea20 1342 1342/1342 1342 ± 0 5.957 5.548/6.559 6.069 ± 0.6429
ea21 1342 1342/1342 1342 ± 0 5.627 5.298/6.195 5.77 ± 0.5491
ea22 1342 1342/1342 1342 ± 0.000009248 5.501 5.266/6.402 5.801 ± 0.6656
ea23 1342 1342/1342 1342 ± 0 6.196 5.539/6.602 6.108 ± 0.66
ea25 1342 1342/1342 1342 ± 0 5.484 5.163/5.977 5.598 ± 0.5672
ea26 1342 1342/1342 1342 ± 0 5.997 5.724/6.8 6.198 ± 0.631
ea27 1342 1342/1342 1342 ± 0.00002764 5.474 5.274/6.298 5.721 ± 0.564
ea28 1342 1342/1342 1342 ± 0.00003317 5.632 5.363/6.388 5.852 ± 0.6549
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 ± 0.00002394 5.355 5.209/5.598 5.373 ± 0.28
3 1342 1342/1342 1342 ± 0.00002458 5.098 4.926/5.366 5.132 ± 0.2899
4 1342 1342/1342 1342 ± 0.00002465 5.199 4.955/5.337 5.159 ± 0.3046
5 1342 1342/1342 1342 ± 0.00002394 5.384 5.128/5.509 5.331 ± 0.3338
6 1342 1342/1342 1342 ± 0.00002394 5.306 5.053/5.446 5.274 ± 0.3126
7 1342 1342/1342 1342 ± 0.00002394 5.319 5.175/5.511 5.305 ± 0.2734
8 1342 1342/1342 1342 ± 0.00002394 5.354 5.103/5.445 5.28 ± 0.2862
9 1342 1342/1342 1342 ± 0.00002394 5.583 5.389/5.859 5.56 ± 0.3281
10 1342 1342/1342 1342 ± 0.00002349 6.03 5.813/6.208 5.982 ± 0.3201
11 1342 1342/1342 1342 ± 0.00002349 6.288 6.094/6.4 6.21 ± 0.3298
12 1342 1342/1342 1342 ± 0.00002349 6.384 6.26/6.608 6.368 ± 0.3474
13 1342 1342/1342 1342 ± 0.00002349 6.838 6.732/7.046 6.811 ± 0.3655
14 1342 1342/1342 1342 ± 0.00002349 7.036 6.77/7.25 6.972 ± 0.4054
15 1342 1342/1342 1342 ± 0.00002349 6.58 6.392/6.77 6.514 ± 0.4099
16 1342 1342/1342 1342 ± 0.00003908 5.946 5.641/6.166 5.908 ± 0.3492
17 1342 1342/1342 1342 ± 0.00003558 5.904 5.642/6.128 5.896 ± 0.3375
output_dir
 
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-01 12:17:10.925
End
2024-05-01 13:30:24.197
Duration
1:13:13.271
Note, WebLog generation is not included in the time.

CASA logs for stage 7