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 5.438 5.104/5.885 5.565 ± 0.5394
ea02 1342 1342/1342 1342 ± 0 5.526 5.321/6.347 5.855 ± 0.6363
ea04 1342 1342/1342 1342 ± 0 5.304 5.021/5.864 5.462 ± 0.559
ea05 1342 1342/1342 1342 ± 0 5.511 5.125/6.007 5.613 ± 0.5807
ea06 1342 1342/1342 1342 ± 0 4.997 4.643/5.529 5.099 ± 0.5078
ea07 1342 1342/1342 1342 ± 0 5.831 5.302/6.078 5.833 ± 0.5723
ea08 1342 1342/1342 1342 ± 0.00000111 5.533 5.397/6.456 5.924 ± 0.6652
ea09 1342 1342/1342 1342 ± 0 5.563 5.128/6.165 5.634 ± 0.6279
ea10 1342 1342/1342 1342 ± 0 5.81 5.122/6.41 5.793 ± 0.681
ea11 1342 1342/1342 1342 ± 0 5.619 5.03/6.193 5.66 ± 0.6725
ea12 1342 1342/1342 1342 ± 0 5.638 5.235/6.257 5.81 ± 0.6404
ea13 1342 1342/1342 1342 ± 0 5.944 5.616/6.24 6.02 ± 0.5072
ea14 1342 1342/1342 1342 ± 0 5.643 5.149/6.239 5.733 ± 0.6695
ea15 1342 1342/1342 1342 ± 0 5.45 5.006/6.13 5.615 ± 0.6806
ea16 1342 1342/1342 1342 ± 0 5.973 5.53/6.642 6.13 ± 0.7316
ea17 1342 1342/1342 1342 ± 0.000002932 5.795 5.437/6.351 5.951 ± 0.6307
ea18 1342 1342/1342 1342 ± 0 4.882 4.592/5.309 4.979 ± 0.5116
ea19 1342 1342/1342 1342 ± 0 5.866 5.427/6.565 6.045 ± 0.6503
ea20 1342 1342/1342 1342 ± 0 6.018 5.643/6.66 6.147 ± 0.6638
ea21 1342 1342/1342 1342 ± 0 5.589 5.244/6.098 5.709 ± 0.5618
ea22 1342 1342/1342 1342 ± 0 5.402 5.124/6.076 5.597 ± 0.6573
ea23 1342 1342/1342 1342 ± 0 5.866 5.307/6.279 5.92 ± 0.6998
ea25 1342 1342/1342 1342 ± 0.000001108 5.394 5.1/5.913 5.533 ± 0.5614
ea26 1342 1342/1342 1342 ± 0 6.021 5.547/6.773 6.078 ± 0.6516
ea27 1342 1342/1342 1342 ± 0.00002511 5.429 5.119/6.206 5.623 ± 0.5832
ea28 1342 1342/1342 1342 ± 0.00001974 5.508 5.278/6.268 5.741 ± 0.649
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 5.234 5.087/5.506 5.257 ± 0.2537
3 1342 1342/1342 1342 ± 0.00002348 5.177 4.966/5.357 5.168 ± 0.2897
4 1342 1342/1342 1342 ± 0.00002381 5.121 4.86/5.309 5.06 ± 0.3324
5 1342 1342/1342 1342 ± 0.00002349 5.068 4.902/5.28 5.091 ± 0.2964
6 1342 1342/1342 1342 ± 0.00002348 5.184 5.009/5.406 5.175 ± 0.2847
7 1342 1342/1342 1342 ± 0.00002348 5.25 5.092/5.394 5.233 ± 0.2572
8 1342 1342/1342 1342 ± 0.00002348 5.255 4.992/5.373 5.19 ± 0.2794
9 1342 1342/1342 1342 ± 0.00002348 5.482 5.307/5.728 5.477 ± 0.3122
10 1342 1342/1342 1342 ± 0.00002348 5.937 5.713/6.083 5.888 ± 0.304
11 1342 1342/1342 1342 ± 0.00002348 6.183 5.961/6.296 6.103 ± 0.3087
12 1342 1342/1342 1342 ± 0.00002348 6.239 6.009/6.475 6.192 ± 0.4512
13 1342 1342/1342 1342 ± 0.00002348 6.707 6.603/6.855 6.702 ± 0.3425
14 1342 1342/1342 1342 ± 0.00002348 6.929 6.704/7.101 6.889 ± 0.3703
15 1342 1342/1342 1342 ± 0.00002348 6.632 6.37/6.832 6.546 ± 0.3631
16 1342 1342/1342 1342 ± 0.00003022 5.855 5.525/6.152 5.854 ± 0.3806
17 1342 1342/1342 1342 ± 0.00002797 5.892 5.581/6.16 5.878 ± 0.3651
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
Start time
2025-01-08 14:30:13.341
End
2025-01-08 15:34:58.832
Duration
1:04:45.491
Note, WebLog generation is not included in the time.

CASA logs for stage 8