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 5.415 5.288/6.075 5.545 ± 0.7883
ea02 1342 1342/1342 1342 ± 0.00004501 6.019 5.472/6.717 5.909 ± 0.9555
ea04 1342 1342/1342 1342 ± 0.00004526 5.466 5.086/6.099 5.34 ± 0.9078
ea05 1342 1342/1342 1342 ± 0.00001826 5.394 5.028/6.131 5.475 ± 0.8196
ea06 1342 1342/1342 1342 ± 0.00004324 5.309 4.974/5.997 5.227 ± 0.8702
ea07 1342 1342/1342 1342 ± 0.00003829 5.829 5.333/6.224 5.659 ± 0.7955
ea09 1342 1342/1342 1342 ± 0.00003397 5.435 5.054/6.063 5.418 ± 0.7431
ea10 1342 1342/1342 1342 ± 0.00003863 5.276 4.818/5.821 5.188 ± 0.7015
ea11 1342 1342/1342 1342 ± 0.00004084 6.016 5.46/6.608 5.809 ± 0.9221
ea12 1342 1342/1342 1342 ± 0.00004193 5.931 5.489/6.53 5.787 ± 1
ea13 1342 1342/1342 1342 ± 0.00002511 5.669 5.575/6.278 5.762 ± 0.8269
ea14 1342 1342/1342 1342 ± 0.00002724 5.712 5.286/6.536 5.693 ± 0.9342
ea15 1342 1342/1342 1342 ± 0.00003995 5.639 5.357/6.555 5.648 ± 1.061
ea16 1342 1342/1342 1342 ± 0.00002299 5.782 5.552/6.8 5.941 ± 0.9154
ea17 1342 1342/1342 1342 ± 0.00004137 5.914 5.454/6.677 5.916 ± 0.9194
ea18 1342 1342/1342 1342 ± 0.00004188 5.106 4.877/5.585 5.067 ± 0.6869
ea19 1342 1342/1342 1342 ± 0.000009929 5.641 5.448/6.489 5.742 ± 0.865
ea20 1342 1342/1342 1342 ± 0.00003353 6.125 5.993/7.035 6.246 ± 0.9282
ea21 1342 1342/1342 1342 ± 0.0000253 5.573 5.3/6.28 5.54 ± 0.8947
ea22 1342 1342/1342 1342 ± 0.00003651 5.496 5.23/6.512 5.643 ± 0.9383
ea23 1342 1342/1342 1342 ± 0.00002836 5.929 5.527/6.646 5.936 ± 0.8732
ea24 1342 1342/1342 1342 ± 0.00002266 4.911 4.751/6.036 5.241 ± 0.7047
ea25 1342 1342/1342 1342 ± 0.00004026 5.705 5.347/6.322 5.66 ± 0.8393
ea26 1342 1342/1342 1342 ± 0.00003413 5.773 5.567/6.802 5.907 ± 0.9232
ea27 1342 1342/1342 1342 ± 0.00003828 5.672 5.254/6.594 5.709 ± 0.8678
ea28 1342 1342/1342 1342 ± 0.00003911 5.822 5.49/6.718 5.942 ± 0.9586
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 ± 0.00002362 5.46 5.335/5.674 5.451 ± 0.3091
3 1342 1342/1342 1342 ± 0.00003752 5.83 5.466/6.149 5.871 ± 0.5504
5 1342 1342/1342 1342 ± 0.00002796 5.235 5.033/5.491 5.259 ± 0.2944
6 1342 1342/1342 1342 ± 0.00002362 5.394 5.118/5.53 5.33 ± 0.2611
7 1342 1342/1342 1342 ± 0.00002362 5.44 5.232/5.545 5.365 ± 0.2646
8 1342 1342/1342 1342 ± 0.00002362 5.375 5.066/5.484 5.315 ± 0.3027
9 1342 1342/1342 1342 ± 0.00002362 5.658 5.308/5.778 5.591 ± 0.2951
10 1342 1342/1342 1342 ± 0.00002362 6.131 5.888/6.213 6.035 ± 0.2799
11 1342 1342/1342 1342 ± 0.00002362 6.377 6.062/6.539 6.321 ± 0.288
12 1342 1342/1342 1342 ± 0.00002362 6.476 6.268/6.712 6.49 ± 0.3231
13 1342 1342/1342 1342 ± 0.00002362 6.689 6.396/6.956 6.632 ± 0.3957
14 1342 1342/1342 1342 ± 0.00002715 6.509 6.178/6.866 6.466 ± 0.4973
15 1342 1342/1342 1342 ± 0.00002541 6.56 6.047/6.824 6.435 ± 0.4842
16 1342 1342/1342 1342 ± 0.00005373 3.686 3.537/3.894 3.711 ± 0.2553
17 1342 1342/1342 1342 ± 0.0000555 3.842 3.644/4.092 3.881 ± 0.3402
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
datacolumn
residual_data
Start time
2024-11-01 22:46:53.509
End
2024-11-01 23:49:40.773
Duration
1:02:47.264
Note, WebLog generation is not included in the time.

CASA logs for stage 8