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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.362 5.069/5.754 5.492 ± 0.5222
ea02 1342 1342/1342 1342 ± 0 5.51 5.199/6.278 5.771 ± 0.6363
ea04 1342 1342/1342 1342 ± 0 5.249 4.953/5.945 5.465 ± 0.5706
ea05 1342 1342/1342 1342 ± 0 5.443 5.042/5.97 5.559 ± 0.5909
ea06 1342 1342/1342 1342 ± 0 4.938 4.579/5.445 5.026 ± 0.5129
ea07 1342 1342/1342 1342 ± 0 5.75 5.263/6.056 5.765 ± 0.5775
ea08 1342 1342/1342 1342 ± 0 5.564 5.291/6.4 5.879 ± 0.659
ea09 1342 1342/1342 1342 ± 0 5.404 5.076/6.099 5.571 ± 0.6135
ea10 1342 1342/1342 1342 ± 0 5.716 5.049/6.361 5.708 ± 0.6849
ea11 1342 1342/1342 1342 ± 0 5.6 4.981/6.106 5.614 ± 0.6464
ea12 1342 1342/1342 1342 ± 0 5.543 5.102/6.185 5.73 ± 0.6535
ea13 1342 1342/1342 1342 ± 0 5.784 5.531/6.165 5.923 ± 0.4981
ea14 1342 1342/1342 1342 ± 0 5.542 5.037/6.141 5.636 ± 0.673
ea15 1342 1342/1342 1342 ± 0 5.356 4.887/6.04 5.52 ± 0.681
ea16 1342 1342/1342 1342 ± 0 5.867 5.406/6.544 6.03 ± 0.7309
ea17 1342 1342/1342 1342 ± 0 5.725 5.338/6.265 5.85 ± 0.6133
ea18 1342 1342/1342 1342 ± 0 4.815 4.546/5.296 4.94 ± 0.504
ea19 1342 1342/1342 1342 ± 0 5.74 5.313/6.484 5.951 ± 0.6616
ea20 1342 1342/1342 1342 ± 0 5.917 5.498/6.567 6.076 ± 0.6663
ea21 1342 1342/1342 1342 ± 0 5.521 5.15/6.016 5.625 ± 0.5667
ea22 1342 1342/1342 1342 ± 0 5.34 4.987/6.015 5.524 ± 0.6695
ea23 1342 1342/1342 1342 ± 0 5.778 5.216/6.274 5.857 ± 0.6849
ea25 1342 1342/1342 1342 ± 0 5.335 4.985/5.846 5.465 ± 0.5595
ea26 1342 1342/1342 1342 ± 0 5.727 5.375/6.428 5.926 ± 0.665
ea27 1342 1342/1342 1342 ± 0 5.38 5.05/6.167 5.572 ± 0.586
ea28 1342 1342/1342 1342 ± 0.00001836 5.424 5.149/6.192 5.666 ± 0.6441
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 ± 0.00002352 5.131 4.977/5.362 5.133 ± 0.2407
3 1342 1342/1342 1342 ± 0.00002352 5.117 4.945/5.281 5.105 ± 0.2506
4 1342 1342/1342 1342 ± 0.00002352 5.024 4.832/5.218 5.005 ± 0.3016
5 1342 1342/1342 1342 ± 0.00002352 5.124 4.892/5.25 5.094 ± 0.2957
6 1342 1342/1342 1342 ± 0.00002352 5.084 4.863/5.289 5.072 ± 0.2755
7 1342 1342/1342 1342 ± 0.00002352 5.142 4.982/5.295 5.134 ± 0.2466
8 1342 1342/1342 1342 ± 0.00002352 5.145 4.911/5.283 5.102 ± 0.2655
9 1342 1342/1342 1342 ± 0.00002352 5.394 5.254/5.644 5.394 ± 0.3014
10 1342 1342/1342 1342 ± 0.00002352 5.845 5.647/5.983 5.81 ± 0.2925
11 1342 1342/1342 1342 ± 0.00002352 6.096 5.896/6.215 6.032 ± 0.2993
12 1342 1342/1342 1342 ± 0.00002352 6.192 5.962/6.392 6.128 ± 0.44
13 1342 1342/1342 1342 ± 0.00002352 6.629 6.538/6.765 6.622 ± 0.33
14 1342 1342/1342 1342 ± 0.00002352 6.851 6.645/7.004 6.807 ± 0.3602
15 1342 1342/1342 1342 ± 0.00002352 6.544 6.301/6.742 6.479 ± 0.3498
16 1342 1342/1342 1342 ± 0.00002412 5.814 5.477/6.03 5.806 ± 0.3658
17 1342 1342/1342 1342 ± 0.00002682 5.824 5.468/6.093 5.824 ± 0.3681
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
Start time
2025-01-08 09:25:40.970
End
2025-01-08 10:16:55.611
Duration
0:51:14.641
Note, WebLog generation is not included in the time.

CASA logs for stage 8