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 5.463 5.032/6.211 5.508 ± 0.9053
ea02 1342 1342/1342 1342 ± 0.00002273 5.665 5.211/6.357 5.59 ± 0.9748
ea03 1342 1342/1342 1342 ± 0.000001906 5.27 5.136/6.603 5.649 ± 0.8528
ea04 1342 1342/1342 1342 ± 0.0000455 5.108 4.909/5.979 5.192 ± 0.7505
ea05 1342 1342/1342 1342 ± 0.00004696 5.264 4.993/6.259 5.424 ± 0.827
ea06 1342 1342/1342 1342 ± 0.00002233 4.875 4.698/5.875 5.165 ± 0.7898
ea07 1342 1342/1342 1342 ± 0.00002111 5.074 4.916/6.184 5.344 ± 0.9751
ea08 1342 1342/1342 1342 ± 0 5.785 5.308/6.674 5.896 ± 0.8762
ea09 1342 1342/1342 1342 ± 0.0000448 5.021 4.749/5.921 5.162 ± 0.6879
ea10 1342 1342/1342 1342 ± 0.00004163 4.927 4.122/5.877 4.966 ± 0.8505
ea11 1342 1342/1342 1342 ± 0.00005112 5.129 4.417/6.198 5.15 ± 0.934
ea12 1342 1342/1342 1342 ± 0.00004415 5.073 4.919/5.822 5.176 ± 0.7571
ea14 1342 1342/1342 1342 ± 0.00004622 5.424 5.21/6.333 5.487 ± 0.8047
ea15 1342 1342/1342 1342 ± 0.00004982 5.223 4.806/6.405 5.397 ± 0.9516
ea16 1342 1342/1342 1342 ± 0.00002066 5.7 5.186/6.582 5.759 ± 0.8765
ea17 1342 1342/1342 1342 ± 0.00001741 5.488 5.18/6.406 5.659 ± 0.9466
ea18 1342 1342/1342 1342 ± 0 5.719 5.368/6.831 5.971 ± 0.8415
ea19 1342 1342/1342 1342 ± 0.00004148 5.222 5.137/6.209 5.462 ± 0.8047
ea21 1342 1342/1342 1342 ± 0 4.896 4.641/5.78 5.141 ± 0.7079
ea22 1342 1342/1342 1342 ± 0.00001893 5.55 4.968/6.32 5.568 ± 0.8812
ea23 1342 1342/1342 1342 ± 0.00004339 5.463 5.117/6.267 5.542 ± 0.8684
ea24 1342 1342/1342 1342 ± 0.000001331 5.204 5.068/6.236 5.525 ± 0.7356
ea25 1342 1342/1342 1342 ± 0.000008996 5.42 5.213/6.796 5.937 ± 1.002
ea27 1342 1342/1342 1342 ± 0.00000782 5.239 4.913/6.318 5.458 ± 0.7424
ea28 1342 1342/1342 1342 ± 0 5.606 5.537/6.704 5.944 ± 0.7789
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 ± 0.00002398 5.035 4.908/5.133 5.002 ± 0.2859
4 1342 1342/1342 1342 ± 0.00005861 3.529 3.445/3.724 3.581 ± 0.189
5 1342 1342/1342 1342 ± 0.00002519 5.096 4.806/5.379 5.093 ± 0.3577
6 1342 1342/1342 1342 ± 0.00002398 5.174 4.929/5.428 5.16 ± 0.273
7 1342 1342/1342 1342 ± 0.00002398 5.22 5.051/5.328 5.189 ± 0.2353
8 1342 1342/1342 1342 ± 0.00002398 5.147 4.978/5.269 5.132 ± 0.2621
9 1342 1342/1342 1342 ± 0.00002398 5.479 5.339/5.669 5.466 ± 0.2766
10 1342 1342/1342 1342 ± 0.00002398 6.012 5.837/6.149 5.978 ± 0.2677
11 1342 1342/1342 1342 ± 0.00002398 6.316 6.183/6.379 6.261 ± 0.2695
12 1342 1342/1342 1342 ± 0.00002398 6.408 6.22/6.586 6.416 ± 0.3107
13 1342 1342/1342 1342 ± 0.000024 6.653 6.321/6.999 6.685 ± 0.3816
14 1342 1342/1342 1342 ± 0.00004654 5.819 5.408/6.356 5.948 ± 0.6557
15 1342 1342/1342 1342 ± 0.00002398 6.622 6.226/6.938 6.583 ± 0.399
16 1342 1342/1342 1342 ± 0.00006077 4.07 3.881/4.411 4.19 ± 0.4262
17 1342 1342/1342 1342 ± 0.00006072 4.182 3.968/4.499 4.249 ± 0.3739
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-07-22 16:35:07.137
End
2025-07-22 17:17:45.824
Duration
0:42:38.687
Note, WebLog generation is not included in the time.

CASA logs for stage 8