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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.53 5.252/6.276 5.471 ± 1.069
ea02 1342 1342/1342 1342 ± 0.00004016 5.573 5.288/6.478 5.577 ± 0.9982
ea03 1342 1342/1342 1342 ± 0.000002929 5.386 5.32/6.359 5.635 ± 0.7878
ea04 1342 1342/1342 1342 ± 0.00004709 5.195 4.789/6.075 5.174 ± 0.9
ea05 1342 1342/1342 1342 ± 0.00005106 5.428 5.058/6.494 5.43 ± 1.029
ea06 1342 1342/1342 1342 ± 0.00002705 5.026 4.759/5.994 5.143 ± 0.8707
ea07 1342 1342/1342 1342 ± 0.00004164 5.191 5.057/6.329 5.389 ± 1.002
ea08 1342 1342/1342 1342 ± 0.00002484 5.775 5.3/6.896 5.825 ± 1.125
ea09 1342 1342/1342 1342 ± 0.00004701 5.129 4.826/6.176 5.21 ± 0.9385
ea10 1342 1342/1342 1342 ± 0.00004616 5.012 4.686/5.983 5.017 ± 0.9027
ea11 1342 1342/1342 1342 ± 0.00005239 5.235 4.537/6.115 5.068 ± 1.022
ea13 1342 1342/1342 1342 ± 0.00001599 5.425 5.274/6.321 5.543 ± 0.6839
ea14 1342 1342/1342 1342 ± 0.00004891 5.509 5.315/6.539 5.552 ± 1.053
ea15 1342 1342/1342 1342 ± 0.00005036 5.505 5.107/6.61 5.524 ± 1.071
ea16 1342 1342/1342 1342 ± 0.00002365 5.744 5.376/6.578 5.722 ± 0.9945
ea17 1342 1342/1342 1342 ± 0.00004252 5.726 5.223/6.684 5.691 ± 1.123
ea18 1342 1342/1342 1342 ± 0.000017 5.885 5.581/6.968 5.938 ± 1.119
ea19 1342 1342/1342 1342 ± 0.00004114 5.429 5.272/6.453 5.45 ± 1.015
ea20 1342 1342/1342 1342 ± 0.00003239 5.494 5.307/6.297 5.591 ± 0.7938
ea21 1342 1342/1342 1342 ± 0.000004928 5.106 4.878/5.698 5.147 ± 0.6354
ea22 1342 1342/1342 1342 ± 0.00003523 5.747 5.201/6.646 5.695 ± 1.069
ea23 1342 1342/1342 1342 ± 0.00004714 5.495 5.106/6.33 5.446 ± 1
ea24 1342 1342/1342 1342 ± 0.000007931 5.166 5.041/6.163 5.509 ± 0.7326
ea25 1342 1342/1342 1342 ± 0.0000135 5.775 5.389/6.759 5.978 ± 0.9047
ea27 1342 1342/1342 1342 ± 0.00001805 5.263 4.834/6.344 5.38 ± 0.9733
ea28 1342 1342/1342 1342 ± 0.000001691 5.732 5.674/6.726 5.958 ± 0.8303
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 ± 0.00002352 5.303 5.06/5.409 5.245 ± 0.2655
5 1342 1342/1342 1342 ± 0.00003206 5.239 5.047/5.549 5.282 ± 0.3732
6 1342 1342/1342 1342 ± 0.00002352 5.314 5.107/5.538 5.315 ± 0.2871
7 1342 1342/1342 1342 ± 0.00002352 5.361 5.133/5.566 5.312 ± 0.2748
8 1342 1342/1342 1342 ± 0.00002352 5.349 5.159/5.516 5.329 ± 0.2788
9 1342 1342/1342 1342 ± 0.00002352 5.502 5.329/5.772 5.533 ± 0.3186
10 1342 1342/1342 1342 ± 0.00002393 6.243 5.929/6.334 6.163 ± 0.3114
11 1342 1342/1342 1342 ± 0.00002348 6.487 6.271/6.648 6.452 ± 0.2844
12 1342 1342/1342 1342 ± 0.00002348 6.654 6.406/6.834 6.617 ± 0.3323
13 1342 1342/1342 1342 ± 0.0000238 6.662 6.337/6.934 6.665 ± 0.4209
14 1342 1342/1342 1342 ± 0.00005496 4.83 4.417/5.401 4.982 ± 0.6974
15 1342 1342/1342 1342 ± 0.00002348 6.719 6.179/7.017 6.609 ± 0.4942
16 1342 1342/1342 1342 ± 0.00006049 3.72 3.569/4.107 3.858 ± 0.4344
17 1342 1342/1342 1342 ± 0.00006019 3.603 3.408/3.936 3.681 ± 0.3909
output_dir
 
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-19 08:20:04.594
End
2025-07-19 09:21:33.310
Duration
1:01:28.716
Note, WebLog generation is not included in the time.

CASA logs for stage 8