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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.373 5.076/6.46 5.622 ± 0.8632
ea02 1342 1342/1342 1342 ± 0.0000158 5.463 5.075/6.227 5.581 ± 0.9091
ea03 1342 1342/1342 1342 ± 0 5.295 5.049/6.491 5.625 ± 0.879
ea04 1342 1342/1342 1342 ± 0.00004203 4.975 4.803/5.95 5.242 ± 0.7196
ea05 1342 1342/1342 1342 ± 0.00004342 5.165 4.943/6.335 5.43 ± 0.8939
ea06 1342 1342/1342 1342 ± 0 4.949 4.681/5.736 5.199 ± 0.7429
ea07 1342 1342/1342 1342 ± 0.00002572 4.888 4.796/6.038 5.349 ± 0.8817
ea08 1342 1342/1342 1342 ± 0 5.434 5.054/6.578 5.747 ± 0.9206
ea09 1342 1342/1342 1342 ± 0.00004227 4.858 4.675/6.031 5.143 ± 0.7527
ea10 1342 1342/1342 1342 ± 0.00004428 4.813 4.474/5.875 5.053 ± 0.7858
ea11 1342 1342/1342 1342 ± 0.00004624 5.13 4.553/6.203 5.288 ± 0.92
ea12 1342 1342/1342 1342 ± 0.00004022 4.981 4.773/5.936 5.257 ± 0.6596
ea14 1342 1342/1342 1342 ± 0.00004266 5.36 4.893/6.29 5.585 ± 0.7262
ea15 1342 1342/1342 1342 ± 0.00004406 5.159 5.038/6.344 5.564 ± 0.9049
ea16 1342 1342/1342 1342 ± 0.000003139 5.502 5.087/6.417 5.641 ± 0.9134
ea17 1342 1342/1342 1342 ± 0.00003541 5.395 5.019/6.695 5.676 ± 0.8406
ea18 1342 1342/1342 1342 ± 0 5.474 5.24/6.729 5.835 ± 0.829
ea19 1342 1342/1342 1342 ± 0.00002781 5.067 4.984/6.276 5.482 ± 0.7733
ea21 1342 1342/1342 1342 ± 0 4.877 4.767/5.707 5.13 ± 0.6762
ea22 1342 1342/1342 1342 ± 0.00000222 5.41 4.886/6.431 5.571 ± 0.8194
ea23 1342 1342/1342 1342 ± 0.00004322 5.367 4.924/6.225 5.586 ± 0.8105
ea24 1342 1342/1342 1342 ± 0.00001917 5.107 4.963/6.37 5.496 ± 0.7998
ea25 1342 1342/1342 1342 ± 0.00000157 5.607 5.221/6.673 5.882 ± 0.9482
ea27 1342 1342/1342 1342 ± 0.000004961 5.093 4.907/6.333 5.473 ± 0.8038
ea28 1342 1342/1342 1342 ± 0.00002954 5.478 5.349/6.805 5.848 ± 0.8887
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 ± 0.00002406 4.956 4.8/5.057 4.9 ± 0.2961
4 1342 1342/1342 1342 ± 0.00004058 3.834 3.637/4.054 3.862 ± 0.2947
5 1342 1342/1342 1342 ± 0.00002406 4.988 4.817/5.335 5.046 ± 0.2816
6 1342 1342/1342 1342 ± 0.00002406 5.025 4.804/5.249 5.03 ± 0.2531
7 1342 1342/1342 1342 ± 0.00002406 5.104 4.941/5.203 5.09 ± 0.2215
8 1342 1342/1342 1342 ± 0.00002406 5.052 4.901/5.187 5.043 ± 0.2544
9 1342 1342/1342 1342 ± 0.00002406 5.376 5.184/5.602 5.367 ± 0.2579
10 1342 1342/1342 1342 ± 0.00002406 5.915 5.784/6.069 5.902 ± 0.2517
11 1342 1342/1342 1342 ± 0.00002406 6.204 5.981/6.275 6.143 ± 0.2604
12 1342 1342/1342 1342 ± 0.00002406 6.306 6.041/6.478 6.299 ± 0.3033
13 1342 1342/1342 1342 ± 0.00002406 6.713 6.591/6.952 6.717 ± 0.3093
14 1342 1342/1342 1342 ± 0.00002452 6.693 6.377/6.904 6.69 ± 0.3759
15 1342 1342/1342 1342 ± 0.00002406 6.684 6.324/6.873 6.593 ± 0.3489
16 1342 1342/1342 1342 ± 0.00006102 4.847 4.71/4.993 4.872 ± 0.2421
17 1342 1342/1342 1342 ± 0.00006065 4.872 4.71/5.035 4.896 ± 0.262
overwrite_modelcol
False
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-07-23 03:03:58.840
End
2025-07-23 04:10:06.720
Duration
1:06:07.880
Note, WebLog generation is not included in the time.

CASA logs for stage 8