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 5.6 5.027/5.932 5.518 ± 0.5217
ea02 1342 1342/1342 1342 ± 0.0000222 5.74 5.161/6.262 5.718 ± 0.6495
ea04 1342 1342/1342 1342 ± 0 5.507 4.828/5.953 5.406 ± 0.6004
ea05 1342 1342/1342 1342 ± 0 5.714 5.27/6.324 5.804 ± 0.6169
ea06 1342 1342/1342 1342 ± 0 4.894 4.609/5.282 4.976 ± 0.403
ea07 1342 1342/1342 1342 ± 0 5.603 5.209/5.931 5.645 ± 0.5555
ea08 1342 1342/1342 1342 ± 0 5.739 5.29/6.422 5.872 ± 0.6905
ea09 1342 1342/1342 1342 ± 0 5.469 4.96/6.029 5.524 ± 0.6551
ea10 1342 1342/1342 1342 ± 0 5.388 4.952/6.063 5.482 ± 0.5854
ea11 1342 1342/1342 1342 ± 0 5.525 5.303/5.994 5.607 ± 0.5586
ea12 1342 1342/1342 1342 ± 0 5.349 5.103/6.176 5.68 ± 0.6601
ea13 1342 1342/1342 1342 ± 0 5.843 5.486/6.168 5.908 ± 0.5067
ea14 1342 1342/1342 1342 ± 0 5.663 5.279/6.183 5.752 ± 0.6227
ea15 1342 1342/1342 1342 ± 0 5.371 4.863/6.007 5.498 ± 0.7063
ea16 1342 1342/1342 1342 ± 0 5.831 5.289/6.39 5.936 ± 0.7698
ea17 1342 1342/1342 1342 ± 0.000002047 5.755 5.343/6.467 5.898 ± 0.5866
ea18 1342 1342/1342 1342 ± 0 5.087 4.622/5.552 5.061 ± 0.5634
ea19 1342 1342/1342 1342 ± 0 6.142 5.377/6.415 5.91 ± 0.6852
ea20 1342 1342/1342 1342 ± 0 5.85 5.546/6.402 5.97 ± 0.5867
ea21 1342 1342/1342 1342 ± 0 5.54 5.174/6.146 5.636 ± 0.5634
ea22 1342 1342/1342 1342 ± 0 5.51 5.076/6.201 5.622 ± 0.6542
ea23 1342 1342/1342 1342 ± 0 5.815 5.329/6.295 5.877 ± 0.6961
ea25 1342 1342/1342 1342 ± 0 5.551 5.114/5.997 5.54 ± 0.5854
ea26 1342 1342/1342 1342 ± 0 5.573 5.249/6.096 5.675 ± 0.5505
ea27 1342 1342/1342 1342 ± 0.0000202 5.561 5.019/6.15 5.515 ± 0.6413
ea28 1342 1342/1342 1342 ± 0 5.483 5.154/6.159 5.691 ± 0.6484
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 ± 0.00002422 5.214 4.9/5.31 5.143 ± 0.2925
3 1342 1342/1342 1342 ± 0.00002402 4.866 4.696/5.095 4.915 ± 0.3263
4 1342 1342/1342 1342 ± 0.00002518 5.137 4.869/5.226 5.092 ± 0.3007
5 1342 1342/1342 1342 ± 0.00002352 5.179 4.951/5.329 5.136 ± 0.3343
6 1342 1342/1342 1342 ± 0.00002352 5.129 4.982/5.281 5.085 ± 0.2636
7 1342 1342/1342 1342 ± 0.00002352 5.089 4.919/5.291 5.081 ± 0.2572
8 1342 1342/1342 1342 ± 0.00002352 5.2 4.855/5.304 5.128 ± 0.2786
9 1342 1342/1342 1342 ± 0.00002352 5.431 5.164/5.622 5.378 ± 0.3296
10 1342 1342/1342 1342 ± 0.00002397 5.832 5.656/6.003 5.799 ± 0.2689
11 1342 1342/1342 1342 ± 0.00002352 6.099 5.958/6.223 6.024 ± 0.315
12 1342 1342/1342 1342 ± 0.00002352 6.236 5.974/6.341 6.174 ± 0.2927
13 1342 1342/1342 1342 ± 0.00002352 6.61 6.381/6.795 6.596 ± 0.3081
14 1342 1342/1342 1342 ± 0.00002397 6.798 6.592/7.004 6.76 ± 0.3862
15 1342 1342/1342 1342 ± 0.00002397 6.449 6.22/6.624 6.37 ± 0.3445
16 1342 1342/1342 1342 ± 0.00002733 5.78 5.646/6.001 5.769 ± 0.2878
17 1342 1342/1342 1342 ± 0.00002486 5.833 5.67/6.054 5.826 ± 0.3016
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-04-05 03:57:00.258
End
2024-04-05 05:00:58.695
Duration
1:03:58.437
Note, WebLog generation is not included in the time.

CASA logs for stage 7