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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.367 5.229/6.26 5.607 ± 0.7882
ea02 1342 1342/1342 1342 ± 0.00004704 5.756 5.215/6.704 5.893 ± 0.913
ea04 1342 1342/1342 1342 ± 0.00002421 5.538 4.948/6.11 5.471 ± 0.7851
ea05 1342 1342/1342 1342 ± 0.00001111 5.447 4.93/6.126 5.597 ± 0.7651
ea06 1342 1342/1342 1342 ± 0.00002789 4.807 4.531/5.302 4.844 ± 0.5547
ea07 1342 1342/1342 1342 ± 0.00003961 5.896 5.327/6.445 5.904 ± 0.9114
ea08 1342 1342/1342 1342 ± 0.00004406 5.833 5.451/6.886 6.098 ± 1.044
ea09 1342 1342/1342 1342 ± 0.00002703 5.699 5.011/6.515 5.72 ± 0.8056
ea10 1342 1342/1342 1342 ± 0.00004015 5.626 5.26/6.778 5.891 ± 0.962
ea11 1342 1342/1342 1342 ± 0.00004365 5.625 5.12/6.529 5.776 ± 0.9638
ea12 1342 1342/1342 1342 ± 0.00003491 5.838 5.227/6.618 5.843 ± 0.931
ea13 1342 1342/1342 1342 ± 0.00001379 5.667 5.439/6.315 5.882 ± 0.711
ea14 1342 1342/1342 1342 ± 0.00003731 5.544 5.194/6.499 5.745 ± 0.9286
ea15 1342 1342/1342 1342 ± 0.00001026 5.212 4.972/6.198 5.544 ± 0.9016
ea16 1342 1342/1342 1342 ± 0.00002154 5.855 5.408/6.875 6.014 ± 1.021
ea17 1342 1342/1342 1342 ± 0.00004363 5.737 5.537/7.068 6.024 ± 1.009
ea18 1342 1342/1342 1342 ± 0.00004338 4.996 4.66/5.745 5.1 ± 0.6789
ea19 1342 1342/1342 1342 ± 0.00001947 5.721 5.395/6.664 5.957 ± 0.8729
ea20 1342 1342/1342 1342 ± 0.00004238 5.829 5.632/6.802 6.065 ± 0.9869
ea21 1342 1342/1342 1342 ± 0.00002781 5.473 5.238/6.382 5.668 ± 0.8772
ea22 1342 1342/1342 1342 ± 0.00003611 5.219 4.994/6.467 5.633 ± 0.8003
ea23 1342 1342/1342 1342 ± 0.00004172 5.752 5.427/6.703 5.919 ± 1.011
ea25 1342 1342/1342 1342 ± 0.00004259 5.486 5.05/6.299 5.609 ± 0.843
ea26 1342 1342/1342 1342 ± 0.00002676 5.71 5.566/6.908 6.07 ± 0.8692
ea27 1342 1342/1342 1342 ± 0.00004251 5.519 5.105/6.624 5.708 ± 0.9106
ea28 1342 1342/1342 1342 ± 0.00004309 5.777 5.26/6.664 5.875 ± 0.9775
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 5.471 5.239/5.695 5.451 ± 0.2916
5 1342 1342/1342 1342 ± 0.00003293 5.412 5.141/5.652 5.366 ± 0.3178
6 1342 1342/1342 1342 ± 0.00002349 5.23 5.008/5.341 5.159 ± 0.2646
7 1342 1342/1342 1342 ± 0.00002349 5.261 5.122/5.43 5.241 ± 0.2675
8 1342 1342/1342 1342 ± 0.00002349 5.243 5.092/5.433 5.215 ± 0.2925
9 1342 1342/1342 1342 ± 0.00002351 5.536 5.229/5.708 5.461 ± 0.3246
10 1342 1342/1342 1342 ± 0.00002349 6.093 5.841/6.2 6.006 ± 0.3327
11 1342 1342/1342 1342 ± 0.00002349 6.378 6.195/6.526 6.316 ± 0.3495
12 1342 1342/1342 1342 ± 0.00002349 6.591 6.381/6.715 6.527 ± 0.3829
13 1342 1342/1342 1342 ± 0.00002349 6.92 6.785/7.294 6.963 ± 0.4126
14 1342 1342/1342 1342 ± 0.00002349 7.267 6.989/7.517 7.181 ± 0.4656
15 1342 1342/1342 1342 ± 0.00002382 6.632 6.33/6.978 6.581 ± 0.5007
16 1342 1342/1342 1342 ± 0.00005737 4.314 4.176/4.526 4.345 ± 0.2366
17 1342 1342/1342 1342 ± 0.00005916 4.373 4.21/4.609 4.417 ± 0.284
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-26 15:58:11.245
End
2024-11-26 16:58:32.646
Duration
1:00:21.402
Note, WebLog generation is not included in the time.

CASA logs for stage 8