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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.515 5.233/5.913 5.63 ± 0.5111
ea02 1342 1342/1342 1342 ± 0 5.729 5.341/6.356 5.902 ± 0.6501
ea04 1342 1342/1342 1342 ± 0 5.578 5.233/6.115 5.726 ± 0.5367
ea05 1342 1342/1342 1342 ± 0 5.712 5.37/6.164 5.79 ± 0.5527
ea06 1342 1342/1342 1342 ± 0 4.928 4.718/5.326 5.027 ± 0.3628
ea07 1342 1342/1342 1342 ± 0 5.862 5.411/6.13 5.903 ± 0.5566
ea08 1342 1342/1342 1342 ± 0.0000161 5.773 5.459/6.549 6.003 ± 0.6802
ea09 1342 1342/1342 1342 ± 0 5.545 5.213/6.221 5.694 ± 0.6304
ea10 1342 1342/1342 1342 ± 0 5.809 5.264/6.448 5.853 ± 0.6669
ea11 1342 1342/1342 1342 ± 0 5.704 5.19/6.217 5.728 ± 0.6178
ea12 1342 1342/1342 1342 ± 0 6.095 5.473/6.35 6.075 ± 0.6131
ea13 1342 1342/1342 1342 ± 0 6.054 5.722/6.367 6.137 ± 0.5106
ea14 1342 1342/1342 1342 ± 0 5.687 5.152/6.242 5.778 ± 0.6348
ea15 1342 1342/1342 1342 ± 0 5.712 5.218/6.315 5.848 ± 0.6745
ea16 1342 1342/1342 1342 ± 0 6.048 5.634/6.607 6.181 ± 0.6781
ea17 1342 1342/1342 1342 ± 0.00002062 5.85 5.506/6.399 6.017 ± 0.6074
ea18 1342 1342/1342 1342 ± 0 4.966 4.661/5.437 5.094 ± 0.5068
ea19 1342 1342/1342 1342 ± 0 5.852 5.547/6.405 6.045 ± 0.5622
ea20 1342 1342/1342 1342 ± 0 5.998 5.61/6.612 6.125 ± 0.6359
ea21 1342 1342/1342 1342 ± 0 5.585 5.329/6.13 5.76 ± 0.5105
ea22 1342 1342/1342 1342 ± 0 5.498 5.232/6.334 5.75 ± 0.6598
ea23 1342 1342/1342 1342 ± 0 5.967 5.479/6.338 6.021 ± 0.6372
ea25 1342 1342/1342 1342 ± 0 5.474 5.131/5.949 5.584 ± 0.5724
ea26 1342 1342/1342 1342 ± 0.000001071 5.937 5.691/6.678 6.144 ± 0.6492
ea27 1342 1342/1342 1342 ± 0.00001617 5.47 5.228/6.274 5.697 ± 0.5805
ea28 1342 1342/1342 1342 ± 0.00002771 5.511 5.352/6.268 5.785 ± 0.6338
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 ± 0.0000237 5.353 5.185/5.555 5.354 ± 0.2637
3 1342 1342/1342 1342 ± 0.00002425 5.089 4.885/5.326 5.107 ± 0.2895
4 1342 1342/1342 1342 ± 0.0000237 5.227 5.113/5.417 5.236 ± 0.2932
5 1342 1342/1342 1342 ± 0.0000237 5.412 5.132/5.499 5.342 ± 0.2979
6 1342 1342/1342 1342 ± 0.0000237 5.381 5.2/5.486 5.327 ± 0.3029
7 1342 1342/1342 1342 ± 0.0000237 5.323 5.225/5.45 5.316 ± 0.2586
8 1342 1342/1342 1342 ± 0.0000237 5.305 5.156/5.42 5.278 ± 0.2638
9 1342 1342/1342 1342 ± 0.0000237 5.57 5.396/5.809 5.549 ± 0.3048
10 1342 1342/1342 1342 ± 0.00002349 5.973 5.848/6.136 5.957 ± 0.2959
11 1342 1342/1342 1342 ± 0.00002349 6.24 6.09/6.316 6.169 ± 0.31
12 1342 1342/1342 1342 ± 0.00002349 6.352 6.214/6.512 6.323 ± 0.3304
13 1342 1342/1342 1342 ± 0.00002349 6.799 6.653/6.971 6.764 ± 0.3527
14 1342 1342/1342 1342 ± 0.00002349 7.019 6.783/7.189 6.958 ± 0.3901
15 1342 1342/1342 1342 ± 0.00002349 6.682 6.373/6.797 6.568 ± 0.3861
16 1342 1342/1342 1342 ± 0.00003378 5.886 5.577/6.208 5.881 ± 0.3644
17 1342 1342/1342 1342 ± 0.00003015 5.894 5.59/6.162 5.868 ± 0.3483
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-05-01 11:38:22.901
End
2024-05-01 12:50:33.238
Duration
1:12:10.337
Note, WebLog generation is not included in the time.

CASA logs for stage 7