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

Statwt Summary Plot

VLASS2.1.sb38544671.eb38577571.59079.03639115741_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 5.494 5.068/5.874 5.508 ± 0.5288
ea02 1342 1342/1342 1342 ± 0 5.792 5.087/6.367 5.769 ± 0.6614
ea04 1342 1342/1342 1342 ± 0 5.234 4.844/5.913 5.396 ± 0.6064
ea05 1342 1342/1342 1342 ± 0 5.755 5.238/6.248 5.702 ± 0.587
ea06 1342 1342/1342 1342 ± 0 4.92 4.62/5.369 5.016 ± 0.453
ea07 1342 1342/1342 1342 ± 0 5.577 5.124/5.885 5.62 ± 0.5386
ea08 1342 1342/1342 1342 ± 0 5.705 5.327/6.337 5.894 ± 0.6422
ea09 1342 1342/1342 1342 ± 0 5.658 5.023/6.235 5.659 ± 0.6427
ea10 1342 1342/1342 1342 ± 0 5.396 4.97/5.957 5.467 ± 0.588
ea11 1342 1342/1342 1342 ± 0 5.487 5.055/5.982 5.574 ± 0.5992
ea12 1342 1342/1342 1342 ± 0 5.547 5.092/6.07 5.656 ± 0.6318
ea13 1342 1342/1342 1342 ± 0 5.925 5.516/6.259 5.962 ± 0.5202
ea14 1342 1342/1342 1342 ± 0 5.651 5.144/6.135 5.678 ± 0.6242
ea15 1342 1342/1342 1342 ± 0 5.343 4.877/5.964 5.476 ± 0.7029
ea16 1342 1342/1342 1342 ± 0 5.81 5.261/6.29 5.888 ± 0.7107
ea17 1342 1342/1342 1342 ± 0.00001527 5.649 5.418/6.313 5.908 ± 0.6452
ea18 1342 1342/1342 1342 ± 0 4.881 4.528/5.38 4.987 ± 0.5252
ea19 1342 1342/1342 1342 ± 0 5.714 5.197/6.326 5.807 ± 0.6939
ea20 1342 1342/1342 1342 ± 0 5.857 5.386/6.463 5.956 ± 0.6586
ea21 1342 1342/1342 1342 ± 0 5.624 5.179/6.164 5.657 ± 0.5778
ea22 1342 1342/1342 1342 ± 0 5.789 5.06/6.246 5.722 ± 0.6698
ea23 1342 1342/1342 1342 ± 0 5.83 5.471/6.303 5.947 ± 0.6214
ea25 1342 1342/1342 1342 ± 0.00000116 5.43 5.034/5.895 5.545 ± 0.5547
ea26 1342 1342/1342 1342 ± 0 5.815 5.278/6.381 5.811 ± 0.6157
ea27 1342 1342/1342 1342 ± 0.0000183 5.529 5.121/6.222 5.54 ± 0.6283
ea28 1342 1342/1342 1342 ± 0.000002934 5.65 5.302/6.232 5.759 ± 0.5959
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 ± 0.00002539 5.219 5.017/5.459 5.197 ± 0.3086
3 1342 1342/1342 1342 ± 0.00002746 4.962 4.662/5.134 4.942 ± 0.3047
4 1342 1342/1342 1342 ± 0.00002665 4.996 4.626/5.212 4.935 ± 0.3529
5 1342 1342/1342 1342 ± 0.00002373 5.1 4.941/5.27 5.088 ± 0.2409
6 1342 1342/1342 1342 ± 0.00002373 5.173 4.96/5.318 5.135 ± 0.2794
7 1342 1342/1342 1342 ± 0.00002373 5.159 4.954/5.338 5.128 ± 0.2549
8 1342 1342/1342 1342 ± 0.00002373 5.101 4.918/5.249 5.067 ± 0.2651
9 1342 1342/1342 1342 ± 0.00002373 5.405 5.244/5.582 5.355 ± 0.2827
10 1342 1342/1342 1342 ± 0.00002393 5.819 5.652/5.892 5.78 ± 0.2607
11 1342 1342/1342 1342 ± 0.00002373 6.025 5.905/6.209 5.993 ± 0.2814
12 1342 1342/1342 1342 ± 0.00002373 6.235 5.947/6.32 6.163 ± 0.3079
13 1342 1342/1342 1342 ± 0.00002373 6.595 6.502/6.749 6.6 ± 0.3282
14 1342 1342/1342 1342 ± 0.00002393 6.756 6.636/6.971 6.746 ± 0.336
15 1342 1342/1342 1342 ± 0.00002393 6.452 6.242/6.627 6.401 ± 0.3276
16 1342 1342/1342 1342 ± 0.00002711 5.836 5.678/6.002 5.814 ± 0.2825
17 1342 1342/1342 1342 ± 0.00002406 5.91 5.637/6.021 5.841 ± 0.3007
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2024-04-05 01:24:17.845
End
2024-04-05 02:24:55.448
Duration
1:00:37.603
Note, WebLog generation is not included in the time.

CASA logs for stage 7