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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.431 5.329/6.167 5.733 ± 0.5068
ea02 1342 1342/1342 1342 ± 0 5.918 5.645/6.714 6.173 ± 0.6171
ea04 1342 1342/1342 1342 ± 0 5.585 5.113/6.249 5.676 ± 0.5923
ea05 1342 1342/1342 1342 ± 0 5.993 5.44/6.485 5.975 ± 0.5984
ea06 1342 1342/1342 1342 ± 0 4.975 4.578/5.287 4.921 ± 0.4021
ea07 1342 1342/1342 1342 ± 0 5.771 5.483/6.288 5.958 ± 0.5845
ea08 1342 1342/1342 1342 ± 0 5.854 5.724/6.831 6.249 ± 0.6275
ea09 1342 1342/1342 1342 ± 0 5.903 5.297/6.611 5.946 ± 0.6262
ea10 1342 1342/1342 1342 ± 0.000009292 5.744 5.227/6.363 5.807 ± 0.5861
ea11 1342 1342/1342 1342 ± 0 6.12 5.244/6.401 5.938 ± 0.6488
ea12 1342 1342/1342 1342 ± 0 6.004 5.407/6.559 6.073 ± 0.6592
ea13 1342 1342/1342 1342 ± 0 6.182 5.761/6.379 6.177 ± 0.4774
ea14 1342 1342/1342 1342 ± 0.00001351 5.764 5.375/6.524 5.909 ± 0.6759
ea15 1342 1342/1342 1342 ± 0 5.769 5.129/6.322 5.783 ± 0.7082
ea16 1342 1342/1342 1342 ± 0.0000124 6.082 5.795/6.872 6.274 ± 0.6877
ea17 1342 1342/1342 1342 ± 0 6.137 5.704/6.688 6.239 ± 0.6205
ea18 1342 1342/1342 1342 ± 0 5.261 4.864/5.737 5.308 ± 0.5459
ea19 1342 1342/1342 1342 ± 0 6.145 5.619/6.783 6.178 ± 0.6245
ea20 1342 1342/1342 1342 ± 0 6.377 5.787/6.942 6.335 ± 0.6618
ea21 1342 1342/1342 1342 ± 0.000006335 5.68 5.426/6.318 5.845 ± 0.5686
ea22 1342 1342/1342 1342 ± 0 5.717 5.335/6.505 5.888 ± 0.6216
ea23 1342 1342/1342 1342 ± 0 5.725 5.514/6.658 6.085 ± 0.6938
ea25 1342 1342/1342 1342 ± 0 5.866 5.274/6.253 5.813 ± 0.6087
ea26 1342 1342/1342 1342 ± 0 6.038 5.647/6.799 6.22 ± 0.5898
ea27 1342 1342/1342 1342 ± 0.0000364 5.628 5.361/6.453 5.868 ± 0.5865
ea28 1342 1342/1342 1342 ± 0.000001124 5.669 5.478/6.56 5.976 ± 0.6452
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 ± 0.0000235 5.41 5.223/5.645 5.408 ± 0.2786
4 1342 1342/1342 1342 ± 0.00002394 5.262 5.15/5.523 5.267 ± 0.3821
5 1342 1342/1342 1342 ± 0.0000235 5.415 5.137/5.59 5.375 ± 0.3292
6 1342 1342/1342 1342 ± 0.0000235 5.315 5.095/5.463 5.288 ± 0.3041
7 1342 1342/1342 1342 ± 0.0000235 5.458 5.272/5.638 5.421 ± 0.2867
8 1342 1342/1342 1342 ± 0.0000235 5.469 5.209/5.594 5.378 ± 0.3081
9 1342 1342/1342 1342 ± 0.0000235 5.754 5.538/5.94 5.667 ± 0.3489
10 1342 1342/1342 1342 ± 0.0000235 6.147 6.004/6.271 6.095 ± 0.3169
11 1342 1342/1342 1342 ± 0.0000235 6.374 6.208/6.491 6.315 ± 0.3421
12 1342 1342/1342 1342 ± 0.0000235 6.53 6.325/6.681 6.463 ± 0.3692
13 1342 1342/1342 1342 ± 0.0000235 6.985 6.792/7.117 6.902 ± 0.3988
14 1342 1342/1342 1342 ± 0.0000235 7.1 6.928/7.324 7.044 ± 0.4291
15 1342 1342/1342 1342 ± 0.0000235 6.657 6.366/6.885 6.574 ± 0.3999
16 1342 1342/1342 1342 ± 0.00003315 5.869 5.688/6.137 5.91 ± 0.3528
17 1342 1342/1342 1342 ± 0.00003148 5.922 5.69/6.235 5.917 ± 0.3495
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-05-17 09:26:05.370
End
2024-05-17 10:32:35.232
Duration
1:06:29.862
Note, WebLog generation is not included in the time.

CASA logs for stage 8