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 5.418 5.124/5.862 5.545 ± 0.5154
ea02 1342 1342/1342 1342 ± 0.0000058 5.559 5.283/6.333 5.831 ± 0.6365
ea04 1342 1342/1342 1342 ± 0 5.3 5.011/5.904 5.494 ± 0.5522
ea05 1342 1342/1342 1342 ± 0 5.52 5.112/5.996 5.6 ± 0.5867
ea06 1342 1342/1342 1342 ± 0 4.978 4.637/5.509 5.086 ± 0.5053
ea07 1342 1342/1342 1342 ± 0 5.806 5.321/6.077 5.824 ± 0.5705
ea08 1342 1342/1342 1342 ± 0 5.59 5.348/6.456 5.919 ± 0.6597
ea09 1342 1342/1342 1342 ± 0 5.539 5.115/6.157 5.64 ± 0.6079
ea10 1342 1342/1342 1342 ± 0 5.79 5.149/6.409 5.79 ± 0.6635
ea11 1342 1342/1342 1342 ± 0 5.62 5.002/6.16 5.655 ± 0.6524
ea12 1342 1342/1342 1342 ± 0 5.622 5.19/6.234 5.789 ± 0.6459
ea13 1342 1342/1342 1342 ± 0 5.856 5.637/6.234 6.011 ± 0.4918
ea14 1342 1342/1342 1342 ± 0 5.615 5.101/6.2 5.7 ± 0.6679
ea15 1342 1342/1342 1342 ± 0 5.431 4.968/6.097 5.583 ± 0.6762
ea16 1342 1342/1342 1342 ± 0 5.948 5.518/6.615 6.119 ± 0.7206
ea17 1342 1342/1342 1342 ± 0 5.759 5.418/6.308 5.914 ± 0.6197
ea18 1342 1342/1342 1342 ± 0 4.856 4.583/5.28 4.976 ± 0.51
ea19 1342 1342/1342 1342 ± 0 5.82 5.385/6.547 6.02 ± 0.6467
ea20 1342 1342/1342 1342 ± 0 5.994 5.598/6.647 6.147 ± 0.6571
ea21 1342 1342/1342 1342 ± 0 5.598 5.243/6.089 5.711 ± 0.5504
ea22 1342 1342/1342 1342 ± 0 5.381 5.072/6.069 5.576 ± 0.6636
ea23 1342 1342/1342 1342 ± 0 5.837 5.292/6.29 5.917 ± 0.6804
ea25 1342 1342/1342 1342 ± 0 5.336 5.046/5.868 5.494 ± 0.5582
ea26 1342 1342/1342 1342 ± 0 5.955 5.498/6.746 6.021 ± 0.649
ea27 1342 1342/1342 1342 ± 0.00001055 5.432 5.096/6.213 5.62 ± 0.5835
ea28 1342 1342/1342 1342 ± 0.00001339 5.495 5.218/6.251 5.725 ± 0.6322
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 ± 0.0000235 5.194 5.072/5.471 5.225 ± 0.248
3 1342 1342/1342 1342 ± 0.0000235 5.155 4.95/5.341 5.157 ± 0.2787
4 1342 1342/1342 1342 ± 0.00002353 5.087 4.896/5.237 5.065 ± 0.309
5 1342 1342/1342 1342 ± 0.0000235 5.203 4.967/5.325 5.171 ± 0.3068
6 1342 1342/1342 1342 ± 0.0000235 5.154 4.964/5.368 5.148 ± 0.2876
7 1342 1342/1342 1342 ± 0.0000235 5.209 5.033/5.349 5.204 ± 0.2592
8 1342 1342/1342 1342 ± 0.0000235 5.214 4.986/5.338 5.167 ± 0.2732
9 1342 1342/1342 1342 ± 0.0000235 5.45 5.284/5.69 5.449 ± 0.3088
10 1342 1342/1342 1342 ± 0.0000235 5.91 5.706/6.067 5.87 ± 0.2999
11 1342 1342/1342 1342 ± 0.0000235 6.151 5.945/6.286 6.084 ± 0.3084
12 1342 1342/1342 1342 ± 0.0000235 6.222 5.979/6.454 6.176 ± 0.4515
13 1342 1342/1342 1342 ± 0.0000235 6.684 6.59/6.828 6.677 ± 0.336
14 1342 1342/1342 1342 ± 0.0000235 6.908 6.703/7.06 6.864 ± 0.3648
15 1342 1342/1342 1342 ± 0.0000235 6.607 6.325/6.812 6.525 ± 0.3576
16 1342 1342/1342 1342 ± 0.00002626 5.849 5.557/6.115 5.855 ± 0.3769
17 1342 1342/1342 1342 ± 0.00002408 5.899 5.565/6.112 5.868 ± 0.3613
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-01-08 04:17:04.743
End
2025-01-08 04:46:41.215
Duration
0:29:36.472
Note, WebLog generation is not included in the time.

CASA logs for stage 8