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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.411 5.204/6.177 5.55 ± 0.9267
ea02 1342 1342/1342 1342 ± 0.00003041 5.559 5.144/6.311 5.55 ± 0.9408
ea03 1342 1342/1342 1342 ± 0.000004253 5.249 5.172/6.579 5.662 ± 0.8788
ea04 1342 1342/1342 1342 ± 0.00005126 5.014 4.75/5.909 5.078 ± 0.8884
ea05 1342 1342/1342 1342 ± 0.00004792 5.253 4.914/6.345 5.346 ± 0.9848
ea06 1342 1342/1342 1342 ± 0.00001397 4.903 4.769/5.913 5.302 ± 0.7858
ea07 1342 1342/1342 1342 ± 0.00003723 5.028 4.865/6.176 5.22 ± 1.09
ea08 1342 1342/1342 1342 ± 0.000007039 5.562 5.137/6.634 5.632 ± 1.07
ea09 1342 1342/1342 1342 ± 0.00004657 4.968 4.665/5.878 5.117 ± 0.792
ea10 1342 1342/1342 1342 ± 0.00005055 4.943 4.529/5.954 5.103 ± 0.8385
ea11 1342 1342/1342 1342 ± 0.0000491 5.174 4.48/6.195 5.024 ± 1.113
ea12 1342 1342/1342 1342 ± 0.00004396 5.029 4.73/5.852 5.115 ± 0.8322
ea14 1342 1342/1342 1342 ± 0.00004852 5.376 5.059/6.392 5.558 ± 0.8474
ea15 1342 1342/1342 1342 ± 0.00004931 5.502 5.08/6.497 5.623 ± 0.9756
ea16 1342 1342/1342 1342 ± 0.00001347 5.673 5.219/6.568 5.749 ± 0.9283
ea17 1342 1342/1342 1342 ± 0.00004506 5.495 5.059/6.406 5.458 ± 1.138
ea18 1342 1342/1342 1342 ± 0.000001101 5.6 5.341/6.705 5.734 ± 0.9967
ea19 1342 1342/1342 1342 ± 0.00003695 5.114 4.918/6.243 5.361 ± 0.8903
ea20 1342 1342/1342 1342 ± 0.00004334 5.714 5.302/6.781 5.768 ± 1.061
ea21 1342 1342/1342 1342 ± 0.000007091 5.036 4.887/5.864 5.266 ± 0.6875
ea22 1342 1342/1342 1342 ± 0.00001923 5.463 4.901/6.326 5.408 ± 1.001
ea23 1342 1342/1342 1342 ± 0.00004917 5.423 4.988/6.256 5.528 ± 0.8849
ea24 1342 1342/1342 1342 ± 0.00001982 5.162 4.963/6.469 5.522 ± 0.8684
ea25 1342 1342/1342 1342 ± 0.000008714 5.576 5.356/6.82 5.992 ± 0.9775
ea27 1342 1342/1342 1342 ± 0.00001571 5.185 4.91/6.401 5.49 ± 0.8036
ea28 1342 1342/1342 1342 ± 0.00002667 5.626 5.487/6.683 5.825 ± 0.9505
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 5.115 4.928/5.227 5.122 ± 0.2569
3 1342 1342/1342 1342 ± 0.00003509 3.604 3.071/4.158 3.606 ± 0.6559
4 1342 1342/1342 1342 ± 0.00005885 3.722 3.628/3.873 3.742 ± 0.2103
5 1342 1342/1342 1342 ± 0.00002355 5.114 4.925/5.426 5.163 ± 0.3036
6 1342 1342/1342 1342 ± 0.00002348 5.169 4.899/5.373 5.14 ± 0.2676
7 1342 1342/1342 1342 ± 0.00002348 5.183 4.968/5.352 5.173 ± 0.2523
8 1342 1342/1342 1342 ± 0.00002348 5.182 5.011/5.397 5.185 ± 0.281
9 1342 1342/1342 1342 ± 0.00002348 5.45 5.283/5.688 5.478 ± 0.2977
10 1342 1342/1342 1342 ± 0.00002348 6.044 5.856/6.176 6.021 ± 0.2864
11 1342 1342/1342 1342 ± 0.00002348 6.316 6.156/6.476 6.293 ± 0.2796
12 1342 1342/1342 1342 ± 0.00002348 6.482 6.211/6.587 6.448 ± 0.3134
13 1342 1342/1342 1342 ± 0.00002376 6.793 6.483/7.067 6.8 ± 0.335
14 1342 1342/1342 1342 ± 0.00003956 6.361 6.093/6.555 6.374 ± 0.4537
15 1342 1342/1342 1342 ± 0.00002348 6.752 6.341/7.051 6.709 ± 0.3713
16 1342 1342/1342 1342 ± 0.00005951 4.406 4.237/4.686 4.511 ± 0.4122
17 1342 1342/1342 1342 ± 0.00006099 4.458 4.284/4.669 4.502 ± 0.3125
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 14:45:11.844
End
2025-07-22 15:52:44.818
Duration
1:07:32.974
Note, WebLog generation is not included in the time.

CASA logs for stage 8