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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.551 5.294/6.005 5.726 ± 0.545
ea02 1342 1342/1342 1342 ± 0 5.785 5.404/6.502 6.012 ± 0.6656
ea04 1342 1342/1342 1342 ± 0 5.448 5.103/6.107 5.651 ± 0.5905
ea05 1342 1342/1342 1342 ± 0 5.694 5.243/6.205 5.766 ± 0.6205
ea06 1342 1342/1342 1342 ± 0 4.748 4.559/5.268 4.893 ± 0.4014
ea07 1342 1342/1342 1342 ± 0 6 5.506/6.315 6.042 ± 0.6061
ea08 1342 1342/1342 1342 ± 0 5.829 5.534/6.667 6.128 ± 0.699
ea09 1342 1342/1342 1342 ± 0 5.572 5.217/6.274 5.736 ± 0.6723
ea10 1342 1342/1342 1342 ± 0 6.034 5.373/6.658 6.03 ± 0.6832
ea11 1342 1342/1342 1342 ± 0 5.917 5.202/6.41 5.897 ± 0.6727
ea12 1342 1342/1342 1342 ± 0 5.756 5.357/6.44 5.965 ± 0.6592
ea13 1342 1342/1342 1342 ± 0 5.807 5.684/6.351 6.065 ± 0.5529
ea14 1342 1342/1342 1342 ± 0 5.812 5.212/6.39 5.875 ± 0.6855
ea15 1342 1342/1342 1342 ± 0 5.621 5.09/6.243 5.746 ± 0.7258
ea16 1342 1342/1342 1342 ± 0 6.246 5.636/6.796 6.294 ± 0.7709
ea17 1342 1342/1342 1342 ± 0.00002449 6.069 5.604/6.851 6.18 ± 0.6594
ea18 1342 1342/1342 1342 ± 0 5.039 4.746/5.602 5.192 ± 0.5282
ea19 1342 1342/1342 1342 ± 0 5.988 5.544/6.762 6.191 ± 0.686
ea20 1342 1342/1342 1342 ± 0 6.105 5.686/6.752 6.244 ± 0.6633
ea21 1342 1342/1342 1342 ± 0 5.737 5.352/6.317 5.866 ± 0.6051
ea22 1342 1342/1342 1342 ± 0 5.446 5.201/6.365 5.738 ± 0.6569
ea23 1342 1342/1342 1342 ± 0 6.252 5.49/6.677 6.177 ± 0.719
ea25 1342 1342/1342 1342 ± 0 5.694 5.262/6.179 5.781 ± 0.6007
ea26 1342 1342/1342 1342 ± 0 5.866 5.535/6.655 6.121 ± 0.7071
ea27 1342 1342/1342 1342 ± 0.00002586 5.667 5.347/6.515 5.882 ± 0.6246
ea28 1342 1342/1342 1342 ± 0.00001656 5.601 5.41/6.48 5.901 ± 0.6927
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 ± 0.00002352 5.377 5.178/5.525 5.326 ± 0.2569
3 1342 1342/1342 1342 ± 0.00002495 5.251 5.092/5.496 5.241 ± 0.28
4 1342 1342/1342 1342 ± 0.00002367 5.277 4.953/5.355 5.162 ± 0.2872
5 1342 1342/1342 1342 ± 0.00002352 5.379 5.145/5.56 5.355 ± 0.315
6 1342 1342/1342 1342 ± 0.00002352 5.324 5.112/5.499 5.294 ± 0.2935
7 1342 1342/1342 1342 ± 0.00002352 5.382 5.221/5.552 5.36 ± 0.2807
8 1342 1342/1342 1342 ± 0.00002352 5.396 5.19/5.511 5.322 ± 0.3056
9 1342 1342/1342 1342 ± 0.00002352 5.674 5.461/5.888 5.619 ± 0.3535
10 1342 1342/1342 1342 ± 0.00002352 6.129 5.932/6.27 6.056 ± 0.3217
11 1342 1342/1342 1342 ± 0.00002352 6.344 6.143/6.478 6.273 ± 0.3415
12 1342 1342/1342 1342 ± 0.00002352 6.451 6.347/6.681 6.446 ± 0.3681
13 1342 1342/1342 1342 ± 0.00002352 6.95 6.845/7.112 6.915 ± 0.4001
14 1342 1342/1342 1342 ± 0.00002352 7.203 6.959/7.387 7.104 ± 0.4422
15 1342 1342/1342 1342 ± 0.00002352 6.789 6.607/6.902 6.681 ± 0.4322
16 1342 1342/1342 1342 ± 0.00003263 5.943 5.698/6.253 5.975 ± 0.4049
17 1342 1342/1342 1342 ± 0.00003029 6.04 5.753/6.278 5.986 ± 0.3821
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-01-22 03:25:26.924
End
2025-01-22 03:54:00.888
Duration
0:28:33.964
Note, WebLog generation is not included in the time.

CASA logs for stage 8