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 5.623 5.072/5.856 5.528 ± 0.4844
ea02 1342 1342/1342 1342 ± 0.00002112 5.674 5.158/6.323 5.727 ± 0.6121
ea04 1342 1342/1342 1342 ± 0.00001334 5.392 4.885/5.996 5.444 ± 0.5677
ea05 1342 1342/1342 1342 ± 0.00000151 5.797 5.133/6.262 5.7 ± 0.6069
ea06 1342 1342/1342 1342 ± 0.000001073 5.03 4.503/5.316 4.929 ± 0.4672
ea07 1342 1342/1342 1342 ± 0 5.618 5.153/5.978 5.638 ± 0.5711
ea08 1342 1342/1342 1342 ± 0 5.753 5.351/6.461 5.917 ± 0.6323
ea09 1342 1342/1342 1342 ± 0 5.409 4.923/6.054 5.523 ± 0.6535
ea10 1342 1342/1342 1342 ± 0 5.406 4.961/6.028 5.435 ± 0.5882
ea11 1342 1342/1342 1342 ± 0 5.515 5.034/6.181 5.53 ± 0.5738
ea12 1342 1342/1342 1342 ± 0 5.723 5.023/6.086 5.631 ± 0.6538
ea13 1342 1342/1342 1342 ± 0 5.76 5.429/6.157 5.865 ± 0.5435
ea14 1342 1342/1342 1342 ± 0 5.803 5.147/6.247 5.703 ± 0.668
ea15 1342 1342/1342 1342 ± 0 5.346 4.79/5.91 5.438 ± 0.7092
ea16 1342 1342/1342 1342 ± 0 6.033 5.276/6.671 5.947 ± 0.723
ea17 1342 1342/1342 1342 ± 0.000001086 5.937 5.378/6.491 5.894 ± 0.5924
ea18 1342 1342/1342 1342 ± 0.000001521 4.869 4.587/5.613 4.998 ± 0.5406
ea19 1342 1342/1342 1342 ± 0 6.029 5.256/6.326 5.869 ± 0.6327
ea20 1342 1342/1342 1342 ± 0 5.776 5.38/6.357 5.928 ± 0.6703
ea21 1342 1342/1342 1342 ± 0 5.511 5.14/6.073 5.578 ± 0.6313
ea22 1342 1342/1342 1342 ± 0 5.799 4.973/6.241 5.629 ± 0.6739
ea23 1342 1342/1342 1342 ± 0 5.809 5.235/6.158 5.831 ± 0.6603
ea25 1342 1342/1342 1342 ± 0 5.39 5.109/5.859 5.53 ± 0.536
ea26 1342 1342/1342 1342 ± 0 5.528 5.155/6.089 5.629 ± 0.6118
ea27 1342 1342/1342 1342 ± 0.00002303 5.344 4.96/6.078 5.486 ± 0.5963
ea28 1342 1342/1342 1342 ± 0 5.687 5.234/6.355 5.724 ± 0.6497
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 ± 0.000025 5.105 4.953/5.252 5.081 ± 0.2824
3 1342 1342/1342 1342 ± 0.00002464 5.088 4.73/5.21 4.982 ± 0.2919
4 1342 1342/1342 1342 ± 0.00002539 4.938 4.726/5.113 4.937 ± 0.3547
5 1342 1342/1342 1342 ± 0.00002351 5.044 4.898/5.377 5.089 ± 0.2826
6 1342 1342/1342 1342 ± 0.00002351 5.086 4.885/5.224 5.05 ± 0.2626
7 1342 1342/1342 1342 ± 0.00002351 5.086 4.966/5.235 5.078 ± 0.2131
8 1342 1342/1342 1342 ± 0.00002351 5.109 4.897/5.239 5.06 ± 0.2543
9 1342 1342/1342 1342 ± 0.00002351 5.377 5.221/5.589 5.356 ± 0.2905
10 1342 1342/1342 1342 ± 0.00002396 5.776 5.58/5.952 5.778 ± 0.3135
11 1342 1342/1342 1342 ± 0.00002351 6.042 5.872/6.148 5.981 ± 0.2832
12 1342 1342/1342 1342 ± 0.00002351 6.182 6.074/6.327 6.161 ± 0.2913
13 1342 1342/1342 1342 ± 0.00002351 6.599 6.417/6.749 6.571 ± 0.3328
14 1342 1342/1342 1342 ± 0.00002396 6.806 6.6/6.984 6.748 ± 0.3691
15 1342 1342/1342 1342 ± 0.00002396 6.393 6.185/6.55 6.34 ± 0.3294
16 1342 1342/1342 1342 ± 0.0000277 5.803 5.557/5.909 5.745 ± 0.282
17 1342 1342/1342 1342 ± 0.00002586 5.813 5.648/5.997 5.787 ± 0.2853
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-04-05 04:20:08.076
End
2024-04-05 05:46:43.643
Duration
1:26:35.567
Note, WebLog generation is not included in the time.

CASA logs for stage 7