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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.342 5.828/6.729 6.372 ± 0.6514
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00003162 5.818 5.451/6.233 5.938 ± 0.5764
ea06 1342 1342/1342 1342 ± 0 5.953 5.654/6.423 6.055 ± 0.5571
ea07 1342 1342/1342 1342 ± 0.000001296 6.089 5.69/6.262 6.13 ± 0.5506
ea08 1342 1342/1342 1342 ± 0.000009955 6.252 5.889/6.843 6.384 ± 0.6237
ea09 1342 1342/1342 1342 ± 0 6.137 5.585/6.754 6.207 ± 0.6388
ea10 1342 1342/1342 1342 ± 0 6.076 5.638/6.901 6.235 ± 0.6712
ea11 1342 1342/1342 1342 ± 0 6.003 5.733/6.551 6.163 ± 0.6095
ea12 1342 1342/1342 1342 ± 0 6.246 5.79/6.683 6.302 ± 0.6237
ea13 1342 1342/1342 1342 ± 0.000004909 5.817 5.688/6.24 5.937 ± 0.5183
ea14 1342 1342/1342 1342 ± 0 6.286 5.986/6.963 6.512 ± 0.6661
ea15 1342 1342/1342 1342 ± 0 5.71 5.337/6.077 5.756 ± 0.5444
ea16 1342 1342/1342 1342 ± 0.000001296 6.37 5.927/6.887 6.497 ± 0.6853
ea17 1342 1342/1342 1342 ± 0 6.421 6.118/7.318 6.671 ± 0.6427
ea18 1342 1342/1342 1342 ± 0 5.087 4.738/5.535 5.169 ± 0.5231
ea19 1342 1342/1342 1342 ± 0 6.412 6.197/7.241 6.644 ± 0.701
ea20 1342 1342/1342 1342 ± 0 6.016 5.831/6.91 6.297 ± 0.6213
ea21 1342 1342/1342 1342 ± 0 5.987 5.772/6.591 6.229 ± 0.5715
ea22 1342 1342/1342 1342 ± 0 6.259 5.563/6.505 6.107 ± 0.6407
ea23 1342 1342/1342 1342 ± 0 6.226 6.03/6.885 6.505 ± 0.6513
ea24 1342 1342/1342 1342 ± 0 6.079 5.282/6.521 5.932 ± 0.5889
ea26 1342 1342/1342 1342 ± 0 6.363 5.93/7.084 6.503 ± 0.703
ea27 1342 1342/1342 1342 ± 0 6.103 5.889/7.091 6.409 ± 0.6987
ea28 1342 1342/1342 1342 ± 0 6.009 5.914/6.91 6.391 ± 0.719
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 ± 0.00002439 5.878 5.64/6.046 5.809 ± 0.3443
4 1342 1342/1342 1342 ± 0.00003182 5.277 5.118/5.438 5.259 ± 0.3801
5 1342 1342/1342 1342 ± 0.00002439 5.813 5.568/5.991 5.745 ± 0.3761
6 1342 1342/1342 1342 ± 0.00002439 5.712 5.464/5.881 5.656 ± 0.2954
7 1342 1342/1342 1342 ± 0.00002439 5.736 5.412/5.95 5.69 ± 0.3259
8 1342 1342/1342 1342 ± 0.00002439 5.633 5.315/5.821 5.597 ± 0.349
9 1342 1342/1342 1342 ± 0.00002439 5.98 5.629/6.143 5.871 ± 0.3466
10 1342 1342/1342 1342 ± 0.00002439 6.362 6.17/6.565 6.296 ± 0.3511
11 1342 1342/1342 1342 ± 0.00002439 6.549 6.358/6.808 6.524 ± 0.3766
12 1342 1342/1342 1342 ± 0.00002439 6.711 6.401/6.913 6.659 ± 0.4054
13 1342 1342/1342 1342 ± 0.00002439 7.154 6.867/7.498 7.138 ± 0.4305
14 1342 1342/1342 1342 ± 0.00002439 7.35 7.132/7.74 7.374 ± 0.4231
15 1342 1342/1342 1342 ± 0.00002439 7.084 6.678/7.386 7.036 ± 0.4296
16 1342 1342/1342 1342 ± 0.00002439 6.193 5.954/6.484 6.207 ± 0.3924
17 1342 1342/1342 1342 ± 0.00002624 6.16 5.914/6.294 6.084 ± 0.3701
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
Start time
2025-04-18 20:25:00.034
End
2025-04-18 21:13:30.710
Duration
0:48:30.676
Note, WebLog generation is not included in the time.

CASA logs for stage 8