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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.213 4.945/6.264 5.558 ± 0.8463
ea02 1342 1342/1342 1342 ± 0.00003817 5.591 5.264/6.78 5.93 ± 1.021
ea04 1342 1342/1342 1342 ± 0.00003622 5.189 4.97/6.172 5.506 ± 0.7891
ea05 1342 1342/1342 1342 ± 0.00001172 5.357 5.081/6.541 5.73 ± 0.8802
ea06 1342 1342/1342 1342 ± 0.00003273 5.607 4.495/5.847 5.133 ± 0.7694
ea07 1342 1342/1342 1342 ± 0.00003596 5.474 5.191/6.303 5.746 ± 0.837
ea09 1342 1342/1342 1342 ± 0.00003101 5.184 4.962/6.145 5.417 ± 0.7587
ea10 1342 1342/1342 1342 ± 0.00003639 5.105 4.723/5.942 5.272 ± 0.739
ea11 1342 1342/1342 1342 ± 0.00003866 5.725 5.091/6.655 5.84 ± 0.9434
ea12 1342 1342/1342 1342 ± 0.00003695 5.343 5.175/6.775 5.889 ± 0.9918
ea13 1342 1342/1342 1342 ± 0.00002238 5.869 5.539/6.33 5.914 ± 0.8248
ea14 1342 1342/1342 1342 ± 0.00003399 5.33 5.079/6.678 5.858 ± 0.969
ea15 1342 1342/1342 1342 ± 0.00003846 5.491 5.336/6.584 5.884 ± 0.9572
ea16 1342 1342/1342 1342 ± 0.0000295 5.833 5.413/6.904 6.019 ± 1.094
ea17 1342 1342/1342 1342 ± 0.00003858 5.793 5.336/6.963 6.063 ± 0.9828
ea18 1342 1342/1342 1342 ± 0.00003781 4.86 4.563/5.88 5.162 ± 0.7182
ea19 1342 1342/1342 1342 ± 0.00001689 5.572 5.424/6.849 5.973 ± 0.9474
ea20 1342 1342/1342 1342 ± 0.00003809 6.027 5.703/7.01 6.274 ± 0.9678
ea21 1342 1342/1342 1342 ± 0.00003297 5.361 5.118/6.407 5.706 ± 0.892
ea22 1342 1342/1342 1342 ± 0.0000392 5.302 4.866/6.523 5.692 ± 0.9714
ea23 1342 1342/1342 1342 ± 0.00003503 6.243 5.223/6.707 5.963 ± 0.935
ea24 1342 1342/1342 1342 ± 0.00001968 4.922 4.665/6.216 5.399 ± 0.8391
ea25 1342 1342/1342 1342 ± 0.00003854 5.493 4.946/6.436 5.678 ± 0.8556
ea26 1342 1342/1342 1342 ± 0.00003232 5.615 5.525/6.846 6.047 ± 0.9693
ea27 1342 1342/1342 1342 ± 0.00003815 5.433 5.094/6.594 5.766 ± 0.8765
ea28 1342 1342/1342 1342 ± 0.00003859 5.474 5.239/6.745 5.94 ± 0.9484
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 ± 0.00002412 4.983 4.764/5.163 4.986 ± 0.3518
6 1342 1342/1342 1342 ± 0.00002404 5.237 4.968/5.392 5.181 ± 0.2865
7 1342 1342/1342 1342 ± 0.00002404 5.272 5.1/5.446 5.271 ± 0.2805
8 1342 1342/1342 1342 ± 0.00002404 5.249 4.973/5.424 5.194 ± 0.3374
9 1342 1342/1342 1342 ± 0.00002933 5.412 5.088/5.586 5.345 ± 0.3306
10 1342 1342/1342 1342 ± 0.00002396 6.145 5.933/6.252 6.063 ± 0.2901
11 1342 1342/1342 1342 ± 0.00002396 6.488 6.08/6.583 6.359 ± 0.3052
12 1342 1342/1342 1342 ± 0.00002396 6.537 6.297/6.77 6.545 ± 0.3465
13 1342 1342/1342 1342 ± 0.00002406 6.794 6.496/7.106 6.725 ± 0.4468
14 1342 1342/1342 1342 ± 0.00002396 7.222 6.829/7.373 7.069 ± 0.4284
15 1342 1342/1342 1342 ± 0.00002719 6.712 6.425/6.947 6.652 ± 0.4078
16 1342 1342/1342 1342 ± 0.00005337 4.106 3.998/4.209 4.102 ± 0.1756
17 1342 1342/1342 1342 ± 0.00005103 4.193 4.042/4.377 4.214 ± 0.2569
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-17 13:43:13.862
End
2024-05-17 14:28:35.102
Duration
0:45:21.239
Note, WebLog generation is not included in the time.

CASA logs for stage 8