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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.031 5.817/6.842 6.356 ± 0.6591
ea02 1342 1342/1342 1342 ± 0 6.336 5.91/7.066 6.48 ± 0.7195
ea03 1342 1342/1342 1342 ± 0.00002061 5.544 5.206/6.742 5.873 ± 0.7856
ea04 1342 1342/1342 1342 ± 0 6.059 5.476/6.849 6.16 ± 0.7124
ea06 1342 1342/1342 1342 ± 0 6.625 5.669/6.779 6.318 ± 0.6922
ea07 1342 1342/1342 1342 ± 0 6.118 5.457/6.274 6.038 ± 0.5637
ea08 1342 1342/1342 1342 ± 0.00001292 6.296 5.808/7.1 6.524 ± 0.7038
ea09 1342 1342/1342 1342 ± 0 6.074 5.615/7.007 6.243 ± 0.7242
ea10 1342 1342/1342 1342 ± 0.00001699 6.182 5.593/6.895 6.282 ± 0.6562
ea11 1342 1342/1342 1342 ± 0 6.533 5.684/7.151 6.517 ± 0.787
ea12 1342 1342/1342 1342 ± 0 6.359 5.774/7.014 6.478 ± 0.7326
ea13 1342 1342/1342 1342 ± 0 6.233 6.027/6.88 6.489 ± 0.6007
ea14 1342 1342/1342 1342 ± 0 6.472 5.684/7.003 6.411 ± 0.7816
ea15 1342 1342/1342 1342 ± 0 6.315 5.594/6.795 6.274 ± 0.7688
ea16 1342 1342/1342 1342 ± 0 6.452 5.857/6.948 6.488 ± 0.7207
ea17 1342 1342/1342 1342 ± 0 6.732 6.265/7.747 6.962 ± 0.7466
ea18 1342 1342/1342 1342 ± 0 5.055 4.673/5.449 5.063 ± 0.4931
ea19 1342 1342/1342 1342 ± 0 6.695 5.935/7.206 6.621 ± 0.7275
ea20 1342 1342/1342 1342 ± 0 6.351 5.822/7.257 6.468 ± 0.7277
ea21 1342 1342/1342 1342 ± 0 6.271 5.71/6.826 6.315 ± 0.663
ea22 1342 1342/1342 1342 ± 0 6.668 5.739/7.074 6.501 ± 0.7536
ea23 1342 1342/1342 1342 ± 0 6.403 5.94/7.024 6.559 ± 0.7659
ea24 1342 1342/1342 1342 ± 0 6.18 5.423/6.869 6.141 ± 0.7148
ea25 1342 1342/1342 1342 ± 0 6.349 5.455/6.761 6.239 ± 0.8045
ea26 1342 1342/1342 1342 ± 0 6.354 5.854/7.227 6.488 ± 0.7234
ea27 1342 1342/1342 1342 ± 0 6.204 5.679/7.136 6.377 ± 0.7493
ea28 1342 1342/1342 1342 ± 0 6.197 5.798/7.001 6.413 ± 0.725
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 ± 0.00002307 5.673 5.565/5.804 5.638 ± 0.3086
4 1342 1342/1342 1342 ± 0.00002367 5.541 5.278/5.609 5.454 ± 0.407
5 1342 1342/1342 1342 ± 0.00002307 5.724 5.473/5.93 5.682 ± 0.356
6 1342 1342/1342 1342 ± 0.00002307 5.641 5.528/5.847 5.639 ± 0.3092
7 1342 1342/1342 1342 ± 0.00002307 5.733 5.539/5.886 5.707 ± 0.2977
8 1342 1342/1342 1342 ± 0.00002307 5.714 5.457/5.869 5.681 ± 0.3242
9 1342 1342/1342 1342 ± 0.00002307 6.032 5.892/6.182 6.004 ± 0.3442
10 1342 1342/1342 1342 ± 0.00002307 6.534 6.321/6.692 6.483 ± 0.3586
11 1342 1342/1342 1342 ± 0.00002307 6.799 6.623/6.96 6.724 ± 0.3727
12 1342 1342/1342 1342 ± 0.00002307 6.944 6.75/7.076 6.885 ± 0.3991
13 1342 1342/1342 1342 ± 0.00002307 7.436 7.22/7.606 7.384 ± 0.4149
14 1342 1342/1342 1342 ± 0.00002307 7.696 7.475/7.856 7.617 ± 0.4112
15 1342 1342/1342 1342 ± 0.00002307 7.32 7.115/7.461 7.234 ± 0.3949
16 1342 1342/1342 1342 ± 0.00002307 6.442 6.336/6.743 6.481 ± 0.4142
17 1342 1342/1342 1342 ± 0.0000313 6.383 6.173/6.692 6.384 ± 0.4168
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-05-14 07:12:42.170
End
2025-05-14 08:07:27.120
Duration
0:54:44.950
Note, WebLog generation is not included in the time.

CASA logs for stage 8