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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.264 5.824/6.853 6.322 ± 0.7823
ea03 1342 1342/1342 1342 ± 0.000007935 5.614 5.064/6.52 5.728 ± 0.8724
ea04 1342 1342/1342 1342 ± 0 5.683 5.257/6.47 5.853 ± 0.8215
ea05 1342 1342/1342 1342 ± 0 6.25 5.598/6.99 6.371 ± 0.7547
ea06 1342 1342/1342 1342 ± 0 6.13 5.559/6.678 6.13 ± 0.7693
ea07 1342 1342/1342 1342 ± 0 6.087 5.439/6.481 6.02 ± 0.8063
ea08 1342 1342/1342 1342 ± 0.000001698 5.903 5.42/6.733 6.046 ± 0.8839
ea09 1342 1342/1342 1342 ± 0 6.078 5.514/6.822 6.165 ± 0.8827
ea10 1342 1342/1342 1342 ± 0 6.435 5.611/7.185 6.346 ± 0.8604
ea11 1342 1342/1342 1342 ± 0 6.299 5.378/6.81 6.167 ± 0.8539
ea12 1342 1342/1342 1342 ± 0 6.553 5.698/6.984 6.403 ± 0.8815
ea13 1342 1342/1342 1342 ± 0 5.709 5.632/6.333 5.918 ± 0.5956
ea14 1342 1342/1342 1342 ± 0 6.276 5.667/6.924 6.31 ± 0.8889
ea15 1342 1342/1342 1342 ± 0 5.886 5.403/6.473 5.921 ± 0.7683
ea16 1342 1342/1342 1342 ± 0 6.331 5.797/6.959 6.351 ± 0.9511
ea17 1342 1342/1342 1342 ± 0 6.634 6.203/7.589 6.851 ± 0.9392
ea18 1342 1342/1342 1342 ± 0 5.189 4.731/5.55 5.203 ± 0.5114
ea19 1342 1342/1342 1342 ± 0 6.383 5.888/7.105 6.457 ± 0.8978
ea20 1342 1342/1342 1342 ± 0 5.94 5.501/6.7 6.045 ± 0.835
ea21 1342 1342/1342 1342 ± 0 5.421 5.063/5.963 5.521 ± 0.5743
ea22 1342 1342/1342 1342 ± 0.000002444 6.405 5.469/6.798 6.127 ± 0.7944
ea23 1342 1342/1342 1342 ± 0 6.33 5.759/6.895 6.382 ± 0.7586
ea24 1342 1342/1342 1342 ± 0.000008237 6.134 5.356/6.674 5.92 ± 0.8123
ea25 1342 1342/1342 1342 ± 0 6.752 5.67/7.204 6.511 ± 0.9549
ea26 1342 1342/1342 1342 ± 0 6.764 6.014/7.484 6.663 ± 0.8963
ea27 1342 1342/1342 1342 ± 0 6.043 5.593/7.066 6.248 ± 0.7806
ea28 1342 1342/1342 1342 ± 0 6.301 5.833/7.107 6.448 ± 0.8061
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 ± 0.00002307 5.543 5.317/5.826 5.515 ± 0.3123
3 1342 1342/1342 1342 ± 0.00002411 5.229 4.998/5.449 5.221 ± 0.3966
4 1342 1342/1342 1342 ± 0.00002894 4.309 4.18/4.455 4.37 ± 0.2832
5 1342 1342/1342 1342 ± 0.00002307 5.621 5.364/5.783 5.569 ± 0.3457
6 1342 1342/1342 1342 ± 0.00002307 5.554 5.379/5.763 5.539 ± 0.3158
7 1342 1342/1342 1342 ± 0.00002307 5.613 5.438/5.754 5.601 ± 0.313
8 1342 1342/1342 1342 ± 0.00002307 5.563 5.288/5.8 5.541 ± 0.3436
9 1342 1342/1342 1342 ± 0.00002307 5.892 5.684/6.133 5.86 ± 0.3433
10 1342 1342/1342 1342 ± 0.00002307 6.528 6.298/6.649 6.426 ± 0.3588
11 1342 1342/1342 1342 ± 0.00002307 6.768 6.501/6.901 6.673 ± 0.3822
12 1342 1342/1342 1342 ± 0.00002307 6.901 6.601/7.083 6.822 ± 0.457
13 1342 1342/1342 1342 ± 0.00002307 7.36 7.09/7.722 7.342 ± 0.4813
14 1342 1342/1342 1342 ± 0.00002307 7.604 7.237/7.828 7.519 ± 0.4893
15 1342 1342/1342 1342 ± 0.00002307 7.139 6.776/7.444 7.099 ± 0.4489
16 1342 1342/1342 1342 ± 0.00002307 6.427 6.233/6.782 6.44 ± 0.4522
17 1342 1342/1342 1342 ± 0.00002307 6.445 6.184/6.753 6.417 ± 0.4562
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-07-15 05:11:18.772
End
2025-07-15 05:35:29.315
Duration
0:24:10.542
Note, WebLog generation is not included in the time.

CASA logs for stage 8