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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.239 4.098/4.667 4.372 ± 0.3213
ea02 1342 1342/1342 1342 ± 0.00001758 5.902 5.546/6.418 6.083 ± 0.5785
ea03 1342 1342/1342 1342 ± 0 5.915 5.326/6.494 5.93 ± 0.6573
ea04 1342 1342/1342 1342 ± 0.00001514 5.408 5.111/5.914 5.54 ± 0.5076
ea05 1342 1342/1342 1342 ± 0.0000114 5.644 5.298/6.413 5.819 ± 0.5936
ea06 1342 1342/1342 1342 ± 0.00001054 5.512 5.04/5.92 5.6 ± 0.5995
ea07 1342 1342/1342 1342 ± 0 5.637 5.236/6.159 5.797 ± 0.6537
ea08 1342 1342/1342 1342 ± 0 6.048 5.658/6.699 6.204 ± 0.6288
ea09 1342 1342/1342 1342 ± 0.000002244 5.497 5.098/6.259 5.62 ± 0.5993
ea10 1342 1342/1342 1342 ± 0 5.142 5.06/5.983 5.466 ± 0.5474
ea11 1342 1342/1342 1342 ± 0.00004059 5.368 4.9/6.012 5.468 ± 0.5799
ea12 1342 1342/1342 1342 ± 0.00003542 5.336 5.261/6.081 5.603 ± 0.5413
ea13 1342 1342/1342 1342 ± 0 5.757 5.542/6.397 5.929 ± 0.6288
ea14 1342 1342/1342 1342 ± 0.000002793 5.855 5.527/6.468 5.979 ± 0.541
ea15 1342 1342/1342 1342 ± 0.00002691 5.637 5.446/6.54 5.975 ± 0.6785
ea17 1342 1342/1342 1342 ± 0 5.823 5.704/6.843 6.133 ± 0.6396
ea18 1342 1342/1342 1342 ± 0 6.055 5.833/6.79 6.271 ± 0.6233
ea19 1342 1342/1342 1342 ± 0.00003485 5.531 5.338/6.349 5.791 ± 0.5704
ea20 1342 1342/1342 1342 ± 0 5.872 5.566/6.564 6.045 ± 0.5635
ea21 1342 1342/1342 1342 ± 0 5.145 5.006/5.685 5.371 ± 0.4579
ea22 1342 1342/1342 1342 ± 0 6.115 5.847/6.862 6.352 ± 0.5969
ea23 1342 1342/1342 1342 ± 0 5.719 5.399/6.272 5.927 ± 0.6502
ea24 1342 1342/1342 1342 ± 0 5.755 5.211/6.39 5.778 ± 0.5804
ea25 1342 1342/1342 1342 ± 0.000001141 6.247 5.562/6.702 6.259 ± 0.7321
ea28 1342 1342/1342 1342 ± 0 5.928 5.735/6.883 6.229 ± 0.6242
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 ± 0.00002403 5.409 5.17/5.617 5.375 ± 0.384
4 1342 1342/1342 1342 ± 0.00003265 4.978 4.876/5.134 4.996 ± 0.289
5 1342 1342/1342 1342 ± 0.00002397 5.204 5.057/5.534 5.241 ± 0.372
6 1342 1342/1342 1342 ± 0.00002403 5.239 5.051/5.496 5.212 ± 0.3743
7 1342 1342/1342 1342 ± 0.00002403 5.403 5.201/5.559 5.322 ± 0.3606
8 1342 1342/1342 1342 ± 0.00002403 5.26 5.082/5.514 5.257 ± 0.3748
9 1342 1342/1342 1342 ± 0.00002403 5.644 5.402/5.873 5.551 ± 0.4234
10 1342 1342/1342 1342 ± 0.00002393 6.056 5.85/6.226 5.975 ± 0.4045
11 1342 1342/1342 1342 ± 0.00002393 6.279 6.005/6.472 6.194 ± 0.4504
12 1342 1342/1342 1342 ± 0.00002393 6.351 6.078/6.568 6.307 ± 0.4692
13 1342 1342/1342 1342 ± 0.00002393 6.797 6.489/7.143 6.747 ± 0.5154
14 1342 1342/1342 1342 ± 0.00002393 6.94 6.535/7.193 6.81 ± 0.5435
15 1342 1342/1342 1342 ± 0.00002393 6.69 6.339/6.887 6.548 ± 0.4841
16 1342 1342/1342 1342 ± 0.00004285 5.631 5.375/5.941 5.635 ± 0.4716
17 1342 1342/1342 1342 ± 0.00004446 5.521 5.347/5.768 5.485 ± 0.4205
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
Start time
2025-07-18 15:44:29.080
End
2025-07-18 16:51:03.806
Duration
1:06:34.725
Note, WebLog generation is not included in the time.

CASA logs for stage 8