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 5.412 5.122/5.863 5.54 ± 0.5164
ea02 1342 1342/1342 1342 ± 0.000004521 5.552 5.271/6.325 5.825 ± 0.6375
ea04 1342 1342/1342 1342 ± 0 5.3 5.009/5.901 5.49 ± 0.5533
ea05 1342 1342/1342 1342 ± 0 5.506 5.108/6.001 5.599 ± 0.5863
ea06 1342 1342/1342 1342 ± 0 4.975 4.629/5.506 5.081 ± 0.5058
ea07 1342 1342/1342 1342 ± 0 5.805 5.311/6.075 5.82 ± 0.5697
ea08 1342 1342/1342 1342 ± 0 5.58 5.342/6.444 5.918 ± 0.6597
ea09 1342 1342/1342 1342 ± 0 5.531 5.117/6.157 5.636 ± 0.6077
ea10 1342 1342/1342 1342 ± 0 5.784 5.147/6.404 5.787 ± 0.6663
ea11 1342 1342/1342 1342 ± 0 5.62 5.004/6.152 5.652 ± 0.6522
ea12 1342 1342/1342 1342 ± 0 5.618 5.181/6.228 5.782 ± 0.6473
ea13 1342 1342/1342 1342 ± 0 5.874 5.649/6.233 6.012 ± 0.4909
ea14 1342 1342/1342 1342 ± 0 5.606 5.107/6.198 5.698 ± 0.6654
ea15 1342 1342/1342 1342 ± 0 5.43 4.96/6.099 5.58 ± 0.6774
ea16 1342 1342/1342 1342 ± 0 5.954 5.512/6.621 6.118 ± 0.7237
ea17 1342 1342/1342 1342 ± 0 5.763 5.411/6.297 5.908 ± 0.6172
ea18 1342 1342/1342 1342 ± 0 4.857 4.578/5.281 4.975 ± 0.5078
ea19 1342 1342/1342 1342 ± 0 5.827 5.38/6.544 6.016 ± 0.648
ea20 1342 1342/1342 1342 ± 0 5.986 5.596/6.64 6.143 ± 0.6616
ea21 1342 1342/1342 1342 ± 0 5.591 5.239/6.083 5.705 ± 0.5522
ea22 1342 1342/1342 1342 ± 0 5.387 5.073/6.069 5.576 ± 0.6622
ea23 1342 1342/1342 1342 ± 0 5.837 5.292/6.293 5.915 ± 0.6804
ea25 1342 1342/1342 1342 ± 0 5.34 5.042/5.867 5.491 ± 0.5576
ea26 1342 1342/1342 1342 ± 0 5.951 5.492/6.743 6.018 ± 0.6481
ea27 1342 1342/1342 1342 ± 0.00001052 5.432 5.097/6.217 5.616 ± 0.5858
ea28 1342 1342/1342 1342 ± 0.00001519 5.487 5.216/6.243 5.723 ± 0.6353
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 ± 0.00002349 5.193 5.066/5.476 5.223 ± 0.2486
3 1342 1342/1342 1342 ± 0.00002349 5.142 4.949/5.337 5.149 ± 0.2784
4 1342 1342/1342 1342 ± 0.00002352 5.079 4.894/5.236 5.058 ± 0.3067
5 1342 1342/1342 1342 ± 0.00002349 5.214 4.959/5.319 5.167 ± 0.3064
6 1342 1342/1342 1342 ± 0.00002349 5.149 4.957/5.366 5.145 ± 0.2882
7 1342 1342/1342 1342 ± 0.00002349 5.202 5.032/5.341 5.201 ± 0.2581
8 1342 1342/1342 1342 ± 0.00002349 5.215 4.981/5.344 5.165 ± 0.2741
9 1342 1342/1342 1342 ± 0.00002349 5.45 5.282/5.691 5.449 ± 0.3091
10 1342 1342/1342 1342 ± 0.00002349 5.913 5.704/6.071 5.865 ± 0.3
11 1342 1342/1342 1342 ± 0.00002349 6.147 5.941/6.278 6.081 ± 0.3077
12 1342 1342/1342 1342 ± 0.00002349 6.224 5.972/6.446 6.172 ± 0.4509
13 1342 1342/1342 1342 ± 0.00002349 6.673 6.584/6.814 6.674 ± 0.337
14 1342 1342/1342 1342 ± 0.00002349 6.906 6.703/7.064 6.862 ± 0.3665
15 1342 1342/1342 1342 ± 0.00002349 6.606 6.324/6.805 6.524 ± 0.3582
16 1342 1342/1342 1342 ± 0.00002637 5.85 5.559/6.106 5.854 ± 0.3769
17 1342 1342/1342 1342 ± 0.00002454 5.903 5.558/6.124 5.867 ± 0.3637
overwrite_modelcol
False
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-01-08 10:49:30.659
End
2025-01-08 11:50:39.300
Duration
1:01:08.641
Note, WebLog generation is not included in the time.

CASA logs for stage 8