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 5.359 5.035/6.159 5.493 ± 0.928
ea02 1342 1342/1342 1342 ± 0.00003193 5.444 5.07/6.235 5.466 ± 0.9618
ea03 1342 1342/1342 1342 ± 0.000009073 5.166 5.002/6.501 5.545 ± 0.8857
ea04 1342 1342/1342 1342 ± 0.00004587 4.975 4.752/5.857 5.136 ± 0.7389
ea05 1342 1342/1342 1342 ± 0.00004819 5.143 4.863/6.175 5.323 ± 0.9281
ea06 1342 1342/1342 1342 ± 0.00001349 4.739 4.652/5.74 5.118 ± 0.7505
ea07 1342 1342/1342 1342 ± 0.00004033 4.855 4.715/5.998 5.212 ± 0.9149
ea08 1342 1342/1342 1342 ± 0.00001542 5.448 4.946/6.529 5.616 ± 0.9682
ea09 1342 1342/1342 1342 ± 0.00004372 4.895 4.666/5.836 5.104 ± 0.7567
ea10 1342 1342/1342 1342 ± 0.00004965 4.781 4.176/5.801 4.947 ± 0.813
ea11 1342 1342/1342 1342 ± 0.00004931 5.122 4.44/6.187 5.157 ± 0.953
ea12 1342 1342/1342 1342 ± 0.00004281 4.983 4.8/5.821 5.18 ± 0.6816
ea14 1342 1342/1342 1342 ± 0.00004762 5.273 4.907/6.234 5.452 ± 0.7813
ea15 1342 1342/1342 1342 ± 0.0000484 5.153 4.824/6.313 5.43 ± 0.9388
ea16 1342 1342/1342 1342 ± 0.000013 5.525 4.906/6.419 5.573 ± 0.9264
ea17 1342 1342/1342 1342 ± 0.00004693 5.392 4.99/6.293 5.549 ± 0.9063
ea18 1342 1342/1342 1342 ± 0.000005033 5.479 5.231/6.586 5.707 ± 0.8916
ea19 1342 1342/1342 1342 ± 0.00003894 5.081 5.023/6.2 5.382 ± 0.7992
ea21 1342 1342/1342 1342 ± 0.000005655 4.893 4.702/5.698 5.073 ± 0.686
ea22 1342 1342/1342 1342 ± 0.00001745 5.465 4.833/6.259 5.477 ± 0.8661
ea23 1342 1342/1342 1342 ± 0.00004661 5.374 4.937/6.166 5.501 ± 0.8254
ea24 1342 1342/1342 1342 ± 0.00002283 5.111 4.907/6.301 5.421 ± 0.8359
ea25 1342 1342/1342 1342 ± 0.000003465 5.322 5.222/6.652 5.821 ± 0.9517
ea27 1342 1342/1342 1342 ± 0.00001429 5.084 4.839/6.337 5.369 ± 0.8257
ea28 1342 1342/1342 1342 ± 0.00002962 5.477 5.393/6.598 5.725 ± 0.9358
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 ± 0.00002392 4.941 4.798/5.062 4.905 ± 0.2912
4 1342 1342/1342 1342 ± 0.00005772 3.679 3.532/3.923 3.743 ± 0.2737
5 1342 1342/1342 1342 ± 0.00002403 5.051 4.808/5.26 5.036 ± 0.2953
6 1342 1342/1342 1342 ± 0.00002392 5.027 4.799/5.234 5.026 ± 0.2603
7 1342 1342/1342 1342 ± 0.00002392 5.111 4.937/5.233 5.084 ± 0.2218
8 1342 1342/1342 1342 ± 0.00002392 5.07 4.886/5.191 5.045 ± 0.251
9 1342 1342/1342 1342 ± 0.00002392 5.379 5.195/5.611 5.371 ± 0.2701
10 1342 1342/1342 1342 ± 0.00002392 5.896 5.785/6.06 5.886 ± 0.2572
11 1342 1342/1342 1342 ± 0.00002392 6.204 5.957/6.291 6.149 ± 0.2611
12 1342 1342/1342 1342 ± 0.00002392 6.313 6.084/6.492 6.309 ± 0.3025
13 1342 1342/1342 1342 ± 0.00002392 6.661 6.453/6.917 6.648 ± 0.3153
14 1342 1342/1342 1342 ± 0.00003908 6.207 5.999/6.464 6.254 ± 0.4081
15 1342 1342/1342 1342 ± 0.00002392 6.625 6.199/6.848 6.533 ± 0.3721
16 1342 1342/1342 1342 ± 0.00006011 4.356 4.189/4.569 4.413 ± 0.3218
17 1342 1342/1342 1342 ± 0.00006101 4.363 4.178/4.578 4.397 ± 0.3023
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-22 18:22:03.923
End
2025-07-22 19:19:33.342
Duration
0:57:29.419
Note, WebLog generation is not included in the time.

CASA logs for stage 8