7. Reweight visibilities

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

Statwt Summary Plot

VLASS2.1.sb38453816.eb38509426.59047.17567765046_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: Wij≈WiWj.
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 4.922 4.632/4.999 4.73 ± 0.5018
ea02 1342 1342/1342 1342 ± 0 5.148 4.76/5.418 5.007 ± 0.5918
ea04 1342 1342/1342 1342 ± 0.000007924 4.876 4.621/5.124 4.666 ± 0.6959
ea05 1342 1342/1342 1342 ± 0.00004004 5.585 5.081/6.109 5.499 ± 0.8446
ea06 1342 1342/1342 1342 ± 0.000003038 4.632 4.493/4.948 4.559 ± 0.5236
ea07 1342 1342/1342 1342 ± 0 5.698 5.32/6.052 5.518 ± 0.7655
ea08 1342 1342/1342 1342 ± 0 5.921 5.5/6.587 5.869 ± 0.9167
ea09 1342 1342/1342 1342 ± 0.00002829 5.185 4.839/5.596 5.094 ± 0.6423
ea10 1342 1342/1342 1342 ± 0 5.181 4.736/5.593 5.051 ± 0.6681
ea11 1342 1342/1342 1342 ± 0 4.97 4.766/5.302 4.83 ± 0.6538
ea12 1342 1342/1342 1342 ± 0 5.664 5.256/6.195 5.467 ± 0.9253
ea13 1342 1342/1342 1342 ± 0.00003535 5.413 5.163/5.592 5.281 ± 0.5727
ea14 1342 1342/1342 1342 ± 0.00003534 4.729 4.597/4.964 4.651 ± 0.5259
ea15 1342 1342/1342 1342 ± 0.00001951 5.599 5.295/6.408 5.538 ± 1.072
ea16 1342 1342/1342 1342 ± 0.00003452 5.833 5.429/6.491 5.692 ± 0.9486
ea17 1342 1342/1342 1342 ± 0 5.946 5.467/6.609 5.844 ± 0.9037
ea18 1342 1342/1342 1342 ± 0 4.945 4.766/5.393 4.877 ± 0.6841
ea19 1342 1342/1342 1342 ± 0.0000422 5.986 5.548/6.501 5.839 ± 0.9044
ea20 1342 1342/1342 1342 ± 0 5.226 5.113/5.555 5.218 ± 0.619
ea21 1342 1342/1342 1342 ± 0.00003619 4.464 4.36/4.692 4.364 ± 0.4942
ea22 1342 1342/1342 1342 ± 0.00002165 5.31 5.083/6.245 5.459 ± 0.8383
ea23 1342 1342/1342 1342 ± 0.00001968 4.709 4.555/4.936 4.608 ± 0.5417
ea24 1342 1342/1342 1342 ± 0.00003763 5.235 4.854/6.08 5.33 ± 0.7306
ea25 1342 1342/1342 1342 ± 0 4.901 4.717/5.146 4.764 ± 0.5821
ea26 1342 1342/1342 1342 ± 0.00002646 5.718 5.512/6.684 5.842 ± 0.9217
ea27 1342 1342/1342 1342 ± 0 5.44 5.057/6.102 5.418 ± 0.7718
ea28 1342 1342/1342 1342 ± 0 5.137 4.791/5.338 4.907 ± 0.5989
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: Wij≈WiWj.
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 5.188 4.95/5.55 5.227 ± 0.3524
5 1342 1342/1342 1342 ± 0 4.996 4.692/5.349 5.037 ± 0.378
6 1342 1342/1342 1342 ± 0 4.959 4.659/5.381 5.044 ± 0.3965
7 1342 1342/1342 1342 ± 0 4.968 4.757/5.313 5.03 ± 0.355
8 1342 1342/1342 1342 ± 0 4.924 4.718/5.294 4.967 ± 0.3804
9 1342 1342/1342 1342 ± 0 5.178 4.876/5.62 5.197 ± 0.4392
10 1342 1342/1342 1342 ± 0 5.581 5.084/5.916 5.509 ± 0.4736
11 1342 1342/1342 1342 ± 0 5.752 5.229/6.209 5.737 ± 0.5325
12 1342 1342/1342 1342 ± 0 5.822 5.297/6.364 5.842 ± 0.5954
13 1342 1342/1342 1342 ± 0 5.917 5.344/6.632 5.926 ± 0.6865
14 1342 1342/1342 1342 ± 0 5.796 5.035/6.536 5.776 ± 0.796
15 1342 1342/1342 1342 ± 0 5.695 5.083/6.372 5.722 ± 0.7289
16 1342 1342/1342 1342 ± 0.00005372 3.459 3.256/3.749 3.508 ± 0.3488
17 1342 1342/1342 1342 ± 0.00005503 3.668 3.408/3.962 3.699 ± 0.3944
Pipeline QA summary for this task.
Score Reason
1.00 0.00% data in VLASS2.1.sb38453816.eb38509426.59047.17567765046_split_split.ms flagged by statwt flagging agents
output_dir
/mnt/condor/execute/dir_85297/working
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
/mnt/condor/execute/dir_85297/working/VLASS2.1.sb38453816.eb38509426.59047.17567765046_split_split.ms
Start time
2022-05-07 18:35:19.201
End
2022-05-07 19:36:20.635
Duration
1:01:01.434
Note, WebLog generation is not included in the time.

CASA logs for stage 7