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 5.362 5.216/5.948 5.557 ± 0.462
ea02 1342 1342/1342 1342 ± 0 6.134 5.705/6.496 6.258 ± 0.5856
ea03 1342 1342/1342 1342 ± 0 6.187 5.505/6.761 6.238 ± 0.6885
ea04 1342 1342/1342 1342 ± 0.00002989 5.561 5.27/6.089 5.705 ± 0.5123
ea05 1342 1342/1342 1342 ± 0.00002825 5.699 5.448/6.602 5.931 ± 0.6895
ea06 1342 1342/1342 1342 ± 0 5.942 5.191/6.113 5.799 ± 0.6037
ea07 1342 1342/1342 1342 ± 0 5.966 5.295/6.339 5.951 ± 0.6834
ea08 1342 1342/1342 1342 ± 0 6.276 5.76/6.875 6.409 ± 0.6422
ea09 1342 1342/1342 1342 ± 0.000005512 5.601 5.212/6.46 5.744 ± 0.6411
ea10 1342 1342/1342 1342 ± 0 5.443 5.217/6.076 5.598 ± 0.5342
ea11 1342 1342/1342 1342 ± 0.00004183 5.393 5.023/6.248 5.634 ± 0.7063
ea12 1342 1342/1342 1342 ± 0.00003486 5.54 5.391/6.324 5.833 ± 0.571
ea13 1342 1342/1342 1342 ± 0 5.881 5.684/6.523 6.07 ± 0.651
ea14 1342 1342/1342 1342 ± 0 5.917 5.671/6.627 6.16 ± 0.5701
ea15 1342 1342/1342 1342 ± 0.00003577 5.927 5.705/6.765 6.204 ± 0.6894
ea17 1342 1342/1342 1342 ± 0 6.223 5.837/7.079 6.357 ± 0.6522
ea18 1342 1342/1342 1342 ± 0 6.465 5.929/7.135 6.477 ± 0.6686
ea19 1342 1342/1342 1342 ± 0.00002978 5.788 5.442/6.523 5.975 ± 0.5942
ea20 1342 1342/1342 1342 ± 0 5.783 5.538/6.647 5.999 ± 0.6196
ea21 1342 1342/1342 1342 ± 0 5.349 5.11/5.904 5.555 ± 0.4957
ea22 1342 1342/1342 1342 ± 0 6.257 5.934/6.961 6.401 ± 0.6671
ea23 1342 1342/1342 1342 ± 0 5.745 5.539/6.416 6.052 ± 0.6417
ea24 1342 1342/1342 1342 ± 0 5.964 5.462/6.682 6.011 ± 0.6207
ea25 1342 1342/1342 1342 ± 0 6.504 5.753/6.955 6.519 ± 0.7755
ea28 1342 1342/1342 1342 ± 0 6.016 5.756/7.031 6.342 ± 0.6383
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 5.515 5.373/5.733 5.533 ± 0.2856
4 1342 1342/1342 1342 ± 0.00002688 5.238 5.103/5.454 5.276 ± 0.3378
5 1342 1342/1342 1342 ± 0.00002392 5.452 5.274/5.7 5.501 ± 0.2943
6 1342 1342/1342 1342 ± 0.00002392 5.447 5.254/5.705 5.449 ± 0.2919
7 1342 1342/1342 1342 ± 0.00002392 5.538 5.285/5.722 5.505 ± 0.263
8 1342 1342/1342 1342 ± 0.00002392 5.445 5.275/5.667 5.438 ± 0.2852
9 1342 1342/1342 1342 ± 0.00002392 5.706 5.589/5.946 5.742 ± 0.3077
10 1342 1342/1342 1342 ± 0.00002392 6.25 6.044/6.411 6.19 ± 0.2892
11 1342 1342/1342 1342 ± 0.00002392 6.41 6.205/6.604 6.4 ± 0.3188
12 1342 1342/1342 1342 ± 0.00002392 6.527 6.321/6.765 6.541 ± 0.3516
13 1342 1342/1342 1342 ± 0.00002392 7.066 6.717/7.265 6.995 ± 0.3756
14 1342 1342/1342 1342 ± 0.00002392 7.159 6.764/7.386 7.101 ± 0.4258
15 1342 1342/1342 1342 ± 0.00002392 6.919 6.59/7.175 6.851 ± 0.379
16 1342 1342/1342 1342 ± 0.00004526 5.855 5.613/6.351 5.945 ± 0.5751
17 1342 1342/1342 1342 ± 0.00004982 5.859 5.522/6.14 5.824 ± 0.3987
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-19 08:26:55.124
End
2025-07-19 09:13:56.208
Duration
0:47:01.084
Note, WebLog generation is not included in the time.

CASA logs for stage 8