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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.351 5.215/6.097 5.524 ± 0.8101
ea02 1342 1342/1342 1342 ± 0.00004344 5.874 5.227/6.625 5.7 ± 0.9907
ea03 1342 1342/1342 1342 ± 0.00003228 4.931 4.669/5.908 5.111 ± 0.7962
ea04 1342 1342/1342 1342 ± 0.00003812 5.322 5.078/6.1 5.474 ± 0.7467
ea05 1342 1342/1342 1342 ± 0.00003314 5.475 5.105/6.469 5.57 ± 0.9502
ea06 1342 1342/1342 1342 ± 0.00001972 4.38 4.172/4.896 4.332 ± 0.7369
ea07 1342 1342/1342 1342 ± 0.00004119 5.838 5.215/6.118 5.702 ± 0.8831
ea08 1342 1342/1342 1342 ± 0.00004145 6.063 5.469/6.714 5.958 ± 0.9988
ea09 1342 1342/1342 1342 ± 0.00003995 5.533 5.058/6.344 5.505 ± 0.8564
ea10 1342 1342/1342 1342 ± 0.00003945 5.93 5.181/6.64 5.803 ± 0.9573
ea11 1342 1342/1342 1342 ± 0.00002372 5.68 4.988/6.368 5.524 ± 1.058
ea12 1342 1342/1342 1342 ± 0.00003736 5.535 5.288/6.524 5.75 ± 0.8536
ea13 1342 1342/1342 1342 ± 0.00003488 5.823 5.539/6.276 5.778 ± 0.8811
ea14 1342 1342/1342 1342 ± 0.00004128 5.649 5.1/6.195 5.627 ± 0.9336
ea15 1342 1342/1342 1342 ± 0.00001638 3.784 3.523/4.674 3.912 ± 1.008
ea16 1342 1342/1342 1342 ± 0.00004 5.793 5.557/6.744 5.904 ± 1.059
ea17 1342 1342/1342 1342 ± 0.00002882 6.072 5.586/7.323 6.101 ± 1.167
ea18 1342 1342/1342 1342 ± 0.00003695 4.747 4.439/5.475 4.857 ± 0.6258
ea19 1342 1342/1342 1342 ± 0.00002512 5.517 5.248/6.443 5.664 ± 0.9055
ea20 1342 1342/1342 1342 ± 0.00003556 5.97 5.761/7.003 6.105 ± 1.04
ea21 1342 1342/1342 1342 ± 0.00004019 5.648 5.309/6.413 5.666 ± 0.947
ea23 1342 1342/1342 1342 ± 0.00004098 5.488 5.161/5.647 5.31 ± 0.6568
ea24 1342 1342/1342 1342 ± 0.00004256 5.584 5.258/6.356 5.569 ± 0.8665
ea25 1342 1342/1342 1342 ± 0.00003938 5.552 5.27/6.264 5.578 ± 0.8313
ea26 1342 1342/1342 1342 ± 0.00003945 5.831 5.575/6.728 5.851 ± 0.9527
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004032 5.429 5.14/6.201 5.511 ± 0.8118
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 ± 0.00002369 5.321 5.08/5.518 5.22 ± 0.4974
5 1342 1342/1342 1342 ± 0.00002369 5.426 5.052/5.699 5.252 ± 0.5659
6 1342 1342/1342 1342 ± 0.00002369 5.224 5.056/5.431 5.15 ± 0.4811
7 1342 1342/1342 1342 ± 0.00002369 5.283 5.166/5.51 5.215 ± 0.4689
8 1342 1342/1342 1342 ± 0.00002369 5.289 5.175/5.471 5.214 ± 0.4972
9 1342 1342/1342 1342 ± 0.00002369 5.604 5.324/5.847 5.488 ± 0.5223
10 1342 1342/1342 1342 ± 0.00002369 5.963 5.6/6.122 5.79 ± 0.5578
11 1342 1342/1342 1342 ± 0.00002369 6.174 5.998/6.31 6.069 ± 0.5157
12 1342 1342/1342 1342 ± 0.00002369 6.365 6.1/6.626 6.259 ± 0.5766
13 1342 1342/1342 1342 ± 0.00002369 6.748 6.478/6.911 6.617 ± 0.546
14 1342 1342/1342 1342 ± 0.00002441 6.807 6.389/6.99 6.623 ± 0.6158
15 1342 1342/1342 1342 ± 0.00002583 6.6 6.286/6.903 6.5 ± 0.6469
16 1342 1342/1342 1342 ± 0.00005134 3.75 3.594/3.886 3.645 ± 0.4947
17 1342 1342/1342 1342 ± 0.0000529 3.866 3.704/4.016 3.785 ± 0.4738
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
datacolumn
residual_data
Start time
2025-01-11 13:12:42.837
End
2025-01-11 14:13:35.095
Duration
1:00:52.258
Note, WebLog generation is not included in the time.

CASA logs for stage 8