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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.757 5.683/6.528 6.099 ± 0.6356
ea02 1342 1342/1342 1342 ± 0.0000415 6.339 5.862/6.996 6.488 ± 0.6831
ea03 1342 1342/1342 1342 ± 0 5.883 5.091/6.312 5.765 ± 0.6458
ea04 1342 1342/1342 1342 ± 0 5.863 5.452/6.553 5.963 ± 0.6372
ea05 1342 1342/1342 1342 ± 0 6.196 5.678/6.811 6.124 ± 0.7221
ea06 1342 1342/1342 1342 ± 0 5.139 4.98/5.511 5.247 ± 0.3432
ea07 1342 1342/1342 1342 ± 0 6.272 5.895/6.693 6.419 ± 0.6956
ea08 1342 1342/1342 1342 ± 0 6.302 5.897/7.116 6.506 ± 0.7455
ea09 1342 1342/1342 1342 ± 0 6.069 5.586/6.812 6.196 ± 0.7501
ea10 1342 1342/1342 1342 ± 0 6.24 5.747/7.073 6.359 ± 0.7279
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.276 5.676/6.761 6.29 ± 0.7613
ea13 1342 1342/1342 1342 ± 0 6.627 6.138/6.873 6.484 ± 0.6561
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.356 5.813/6.886 6.413 ± 0.7502
ea16 1342 1342/1342 1342 ± 0 6.492 6.009/7.098 6.526 ± 0.8053
ea17 1342 1342/1342 1342 ± 0 6.503 6.251/7.564 6.825 ± 0.7021
ea18 1342 1342/1342 1342 ± 0 5.313 4.923/5.762 5.356 ± 0.5687
ea19 1342 1342/1342 1342 ± 0 6.367 5.772/6.971 6.328 ± 0.69
ea20 1342 1342/1342 1342 ± 0 6.393 5.795/6.929 6.315 ± 0.7193
ea21 1342 1342/1342 1342 ± 0 5.931 5.744/6.73 6.174 ± 0.675
ea22 1342 1342/1342 1342 ± 0 6.231 5.544/6.54 6.092 ± 0.6149
ea23 1342 1342/1342 1342 ± 0 6.123 5.874/6.968 6.397 ± 0.7754
ea24 1342 1342/1342 1342 ± 0 6.359 5.887/6.992 6.373 ± 0.7158
ea25 1342 1342/1342 1342 ± 0 5.892 5.632/6.628 6.108 ± 0.646
ea26 1342 1342/1342 1342 ± 0 6.779 6.227/7.433 6.857 ± 0.6946
ea27 1342 1342/1342 1342 ± 0 6.015 5.78/6.881 6.221 ± 0.6774
ea28 1342 1342/1342 1342 ± 0 6.054 5.591/6.66 6.118 ± 0.6757
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 ± 0.00002348 5.79 5.524/5.9 5.697 ± 0.3403
4 1342 1342/1342 1342 ± 0.00002595 4.992 4.811/5.114 4.94 ± 0.2476
5 1342 1342/1342 1342 ± 0.00002348 5.766 5.579/6.008 5.757 ± 0.3886
6 1342 1342/1342 1342 ± 0.00002348 5.707 5.561/5.938 5.683 ± 0.3531
7 1342 1342/1342 1342 ± 0.00002348 5.775 5.609/5.843 5.705 ± 0.3299
8 1342 1342/1342 1342 ± 0.00002348 5.662 5.506/5.843 5.617 ± 0.3631
9 1342 1342/1342 1342 ± 0.00002348 5.921 5.685/6.258 5.892 ± 0.4013
10 1342 1342/1342 1342 ± 0.00002348 6.425 6.253/6.653 6.366 ± 0.3831
11 1342 1342/1342 1342 ± 0.00002348 6.639 6.455/6.815 6.591 ± 0.3947
12 1342 1342/1342 1342 ± 0.00002348 6.8 6.627/6.979 6.757 ± 0.4359
13 1342 1342/1342 1342 ± 0.00002348 7.288 7.178/7.458 7.234 ± 0.4706
14 1342 1342/1342 1342 ± 0.00002348 7.5 7.296/7.811 7.446 ± 0.5164
15 1342 1342/1342 1342 ± 0.00002348 7.026 6.83/7.337 6.996 ± 0.4852
16 1342 1342/1342 1342 ± 0.00002392 6.298 6.064/6.549 6.27 ± 0.3966
17 1342 1342/1342 1342 ± 0.00002392 6.325 6.113/6.518 6.325 ± 0.396
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-11 05:22:55.114
End
2025-01-11 06:37:56.534
Duration
1:15:01.421
Note, WebLog generation is not included in the time.

CASA logs for stage 8