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

Statwt Summary Plot

VLASS2.1.sb38536469.eb38590168.59084.87988079861_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 5.268 4.944/5.673 5.339 ± 0.5055
ea02 1342 1342/1342 1342 ± 0 5.322 4.968/5.991 5.505 ± 0.6076
ea04 1342 1342/1342 1342 ± 0 5.122 4.815/5.669 5.276 ± 0.5047
ea05 1342 1342/1342 1342 ± 0 5.53 5.042/6.074 5.578 ± 0.6027
ea06 1342 1342/1342 1342 ± 0 4.935 4.686/5.354 5.039 ± 0.396
ea07 1342 1342/1342 1342 ± 0 5.558 5.099/5.84 5.582 ± 0.5432
ea08 1342 1342/1342 1342 ± 0.000003678 5.363 5.109/6.125 5.643 ± 0.6255
ea09 1342 1342/1342 1342 ± 0 5.179 4.768/5.794 5.278 ± 0.5927
ea10 1342 1342/1342 1342 ± 0 5.245 4.766/5.89 5.303 ± 0.5591
ea11 1342 1342/1342 1342 ± 0 5.471 4.856/5.926 5.452 ± 0.5981
ea12 1342 1342/1342 1342 ± 0 5.496 5.086/6.046 5.647 ± 0.5799
ea13 1342 1342/1342 1342 ± 0 5.437 5.199/5.865 5.574 ± 0.5032
ea14 1342 1342/1342 1342 ± 0 5.529 5.024/6.072 5.583 ± 0.6384
ea15 1342 1342/1342 1342 ± 0 5.259 4.794/5.818 5.38 ± 0.6306
ea16 1342 1342/1342 1342 ± 0 5.822 5.311/6.352 5.909 ± 0.715
ea17 1342 1342/1342 1342 ± 0.000002015 5.567 5.177/6.051 5.672 ± 0.6086
ea18 1342 1342/1342 1342 ± 0 4.774 4.469/5.256 4.877 ± 0.4994
ea19 1342 1342/1342 1342 ± 0 5.626 5.2/6.244 5.791 ± 0.6419
ea20 1342 1342/1342 1342 ± 0 5.805 5.343/6.385 5.878 ± 0.6483
ea21 1342 1342/1342 1342 ± 0 5.34 5.029/5.921 5.477 ± 0.5434
ea22 1342 1342/1342 1342 ± 0 5.234 4.896/5.962 5.408 ± 0.6217
ea23 1342 1342/1342 1342 ± 0 5.717 5.211/6.235 5.77 ± 0.6257
ea25 1342 1342/1342 1342 ± 0.000002327 5.303 4.919/5.712 5.367 ± 0.5464
ea26 1342 1342/1342 1342 ± 0 5.381 5.033/6.089 5.529 ± 0.634
ea27 1342 1342/1342 1342 ± 0.0000185 5.2 4.913/6.008 5.394 ± 0.5693
ea28 1342 1342/1342 1342 ± 0.0000163 5.338 5.038/5.985 5.501 ± 0.6041
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 5.043 4.857/5.185 5.04 ± 0.2038
3 1342 1342/1342 1342 ± 0.00002404 4.775 4.641/5.051 4.824 ± 0.2487
4 1342 1342/1342 1342 ± 0.00002348 4.816 4.716/5.027 4.856 ± 0.2523
5 1342 1342/1342 1342 ± 0.00002348 4.994 4.8/5.131 4.976 ± 0.245
6 1342 1342/1342 1342 ± 0.00002348 4.961 4.784/5.093 4.934 ± 0.2203
7 1342 1342/1342 1342 ± 0.00002348 5.017 4.904/5.157 5.008 ± 0.203
8 1342 1342/1342 1342 ± 0.00002348 5.035 4.811/5.134 4.982 ± 0.2335
9 1342 1342/1342 1342 ± 0.00002348 5.303 5.165/5.464 5.256 ± 0.2636
10 1342 1342/1342 1342 ± 0.00002348 5.732 5.611/5.814 5.672 ± 0.2583
11 1342 1342/1342 1342 ± 0.00002348 5.926 5.78/6.045 5.874 ± 0.2708
12 1342 1342/1342 1342 ± 0.00002348 6.021 5.855/6.204 6.01 ± 0.2951
13 1342 1342/1342 1342 ± 0.00002348 6.402 6.239/6.572 6.409 ± 0.3274
14 1342 1342/1342 1342 ± 0.00002348 6.59 6.395/6.742 6.559 ± 0.343
15 1342 1342/1342 1342 ± 0.00002348 6.289 6.033/6.406 6.214 ± 0.3226
16 1342 1342/1342 1342 ± 0.00002768 5.572 5.319/5.792 5.597 ± 0.3232
17 1342 1342/1342 1342 ± 0.00002631 5.554 5.358/5.838 5.598 ± 0.303
vis
VLASS2.1.sb38536469.eb38590168.59084.87988079861_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-18 02:17:47.508
End
2024-12-18 03:14:54.985
Duration
0:57:07.477
Note, WebLog generation is not included in the time.

CASA logs for stage 8