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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.465 5.356/6.104 5.551 ± 0.8413
ea02 1342 1342/1342 1342 ± 0.00004109 6.085 5.473/6.793 5.95 ± 1.039
ea04 1342 1342/1342 1342 ± 0.0000417 5.504 5.158/6.209 5.402 ± 0.9271
ea05 1342 1342/1342 1342 ± 0.00001377 5.466 5.129/6.252 5.551 ± 0.8169
ea06 1342 1342/1342 1342 ± 0.00004241 5.29 4.922/5.842 5.131 ± 0.828
ea07 1342 1342/1342 1342 ± 0.00004191 5.903 5.398/6.201 5.64 ± 0.8722
ea09 1342 1342/1342 1342 ± 0.00002753 5.52 5.113/6.005 5.394 ± 0.7327
ea10 1342 1342/1342 1342 ± 0.00004296 5.144 4.811/5.893 5.153 ± 0.7694
ea11 1342 1342/1342 1342 ± 0.00004288 6.101 5.421/6.708 5.806 ± 0.992
ea12 1342 1342/1342 1342 ± 0.00004272 5.913 5.507/6.669 5.838 ± 1.047
ea13 1342 1342/1342 1342 ± 0.00002296 5.822 5.679/6.369 5.885 ± 0.8202
ea14 1342 1342/1342 1342 ± 0.00002157 5.794 5.333/6.609 5.771 ± 0.9601
ea15 1342 1342/1342 1342 ± 0.00003945 5.81 5.446/6.599 5.739 ± 1.124
ea16 1342 1342/1342 1342 ± 0.00002333 5.817 5.533/6.773 5.822 ± 1.038
ea17 1342 1342/1342 1342 ± 0.00004524 6.059 5.513/6.633 5.956 ± 0.9944
ea18 1342 1342/1342 1342 ± 0.00004287 5.141 4.768/5.679 5.063 ± 0.7509
ea19 1342 1342/1342 1342 ± 0.000005508 5.749 5.509/6.553 5.837 ± 0.8597
ea20 1342 1342/1342 1342 ± 0.00004293 6.192 5.868/7.079 6.146 ± 1.095
ea21 1342 1342/1342 1342 ± 0.00002047 5.607 5.314/6.299 5.556 ± 0.8713
ea22 1342 1342/1342 1342 ± 0.00003255 5.541 5.223/6.56 5.685 ± 0.9371
ea23 1342 1342/1342 1342 ± 0.00003811 5.984 5.472/6.516 5.803 ± 0.9986
ea24 1342 1342/1342 1342 ± 0.00001969 5.24 4.867/6.113 5.381 ± 0.7044
ea25 1342 1342/1342 1342 ± 0.0000428 5.784 5.307/6.379 5.655 ± 0.908
ea26 1342 1342/1342 1342 ± 0.0000286 5.778 5.626/6.89 5.977 ± 0.966
ea27 1342 1342/1342 1342 ± 0.00004295 5.739 5.295/6.621 5.703 ± 0.939
ea28 1342 1342/1342 1342 ± 0.00004252 5.842 5.576/6.811 5.932 ± 1.001
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 5.495 5.302/5.694 5.465 ± 0.3242
3 1342 1342/1342 1342 ± 0.00004883 4.982 4.554/5.401 4.976 ± 0.7055
5 1342 1342/1342 1342 ± 0.0000235 5.383 5.172/5.533 5.366 ± 0.3218
6 1342 1342/1342 1342 ± 0.00002349 5.431 5.134/5.573 5.375 ± 0.2731
7 1342 1342/1342 1342 ± 0.00002349 5.486 5.244/5.604 5.421 ± 0.2879
8 1342 1342/1342 1342 ± 0.00002349 5.465 5.137/5.57 5.391 ± 0.3243
9 1342 1342/1342 1342 ± 0.00002349 5.783 5.432/5.911 5.692 ± 0.3149
10 1342 1342/1342 1342 ± 0.00002349 6.153 5.909/6.277 6.083 ± 0.3002
11 1342 1342/1342 1342 ± 0.00002349 6.405 6.112/6.615 6.385 ± 0.3047
12 1342 1342/1342 1342 ± 0.00002349 6.558 6.329/6.793 6.562 ± 0.3456
13 1342 1342/1342 1342 ± 0.00002349 6.8 6.43/7.056 6.706 ± 0.4022
14 1342 1342/1342 1342 ± 0.00003141 6.417 6.168/6.814 6.453 ± 0.5305
15 1342 1342/1342 1342 ± 0.00002493 6.789 6.176/7.067 6.631 ± 0.5161
16 1342 1342/1342 1342 ± 0.0000553 3.712 3.556/3.928 3.745 ± 0.3099
17 1342 1342/1342 1342 ± 0.00005766 3.856 3.683/4.139 3.922 ± 0.3511
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-05-18 00:55:13.667
End
2024-05-18 01:56:12.517
Duration
1:00:58.850
Note, WebLog generation is not included in the time.

CASA logs for stage 8