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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.425 5.148/5.882 5.582 ± 0.528
ea02 1342 1342/1342 1342 ± 0 5.609 5.295/6.375 5.831 ± 0.6585
ea04 1342 1342/1342 1342 ± 0 5.419 5.072/6.111 5.637 ± 0.5903
ea05 1342 1342/1342 1342 ± 0 5.386 4.91/5.956 5.498 ± 0.618
ea06 1342 1342/1342 1342 ± 0 4.862 4.555/5.266 4.916 ± 0.3933
ea07 1342 1342/1342 1342 ± 0 5.782 5.304/6.074 5.817 ± 0.5822
ea08 1342 1342/1342 1342 ± 0.000003916 5.631 5.383/6.486 5.934 ± 0.6619
ea09 1342 1342/1342 1342 ± 0 5.464 5.091/6.163 5.642 ± 0.6149
ea10 1342 1342/1342 1342 ± 0 5.762 5.169/6.412 5.766 ± 0.6851
ea11 1342 1342/1342 1342 ± 0 5.738 5.038/6.231 5.699 ± 0.6773
ea12 1342 1342/1342 1342 ± 0 6.287 6.086/6.683 6.359 ± 0.375
ea13 1342 1342/1342 1342 ± 0 5.768 5.549/6.247 5.963 ± 0.5142
ea14 1342 1342/1342 1342 ± 0 5.577 5.045/6.12 5.633 ± 0.6474
ea15 1342 1342/1342 1342 ± 0 5.568 4.986/6.206 5.666 ± 0.724
ea16 1342 1342/1342 1342 ± 0 5.859 5.359/6.493 5.982 ± 0.7238
ea17 1342 1342/1342 1342 ± 0 5.776 5.38/6.319 5.933 ± 0.6253
ea18 1342 1342/1342 1342 ± 0 4.923 4.594/5.512 5.075 ± 0.5174
ea19 1342 1342/1342 1342 ± 0 5.616 5.179/6.223 5.769 ± 0.6273
ea20 1342 1342/1342 1342 ± 0 5.954 5.468/6.538 6.068 ± 0.6443
ea21 1342 1342/1342 1342 ± 0 5.434 5.007/5.957 5.513 ± 0.5758
ea22 1342 1342/1342 1342 ± 0 5.34 5.107/6.226 5.641 ± 0.6416
ea23 1342 1342/1342 1342 ± 0 5.863 5.235/6.248 5.877 ± 0.6787
ea25 1342 1342/1342 1342 ± 0 5.486 5.024/5.952 5.552 ± 0.5967
ea26 1342 1342/1342 1342 ± 0 5.781 5.453/6.586 6.004 ± 0.6674
ea27 1342 1342/1342 1342 ± 0.00002642 5.485 5.163/6.237 5.645 ± 0.5952
ea28 1342 1342/1342 1342 ± 0.00002782 5.525 5.236/6.302 5.769 ± 0.6425
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 5.147 4.938/5.256 5.116 ± 0.2432
3 1342 1342/1342 1342 ± 0.00002392 5.042 4.919/5.203 5.048 ± 0.2451
4 1342 1342/1342 1342 ± 0.00002392 5.078 4.896/5.255 5.056 ± 0.2762
5 1342 1342/1342 1342 ± 0.00002392 5.226 4.957/5.337 5.161 ± 0.2847
6 1342 1342/1342 1342 ± 0.00002392 5.131 4.979/5.313 5.108 ± 0.2817
7 1342 1342/1342 1342 ± 0.00002392 5.185 5.07/5.317 5.183 ± 0.2486
8 1342 1342/1342 1342 ± 0.00002392 5.186 5.071/5.321 5.171 ± 0.2599
9 1342 1342/1342 1342 ± 0.00002392 5.426 5.294/5.702 5.45 ± 0.2939
10 1342 1342/1342 1342 ± 0.00002348 5.875 5.763/6.054 5.885 ± 0.2909
11 1342 1342/1342 1342 ± 0.00002348 6.166 5.958/6.236 6.096 ± 0.2979
12 1342 1342/1342 1342 ± 0.00002348 6.307 6.116/6.437 6.259 ± 0.3213
13 1342 1342/1342 1342 ± 0.00002348 6.733 6.581/6.86 6.675 ± 0.3385
14 1342 1342/1342 1342 ± 0.00002348 6.902 6.694/7.082 6.836 ± 0.3844
15 1342 1342/1342 1342 ± 0.00002348 6.575 6.321/6.699 6.471 ± 0.3737
16 1342 1342/1342 1342 ± 0.00003034 5.831 5.61/6.051 5.827 ± 0.3443
17 1342 1342/1342 1342 ± 0.00003226 5.859 5.591/6.107 5.84 ± 0.3157
output_dir
 
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-31 06:34:25.718
End
2025-01-31 06:59:29.785
Duration
0:25:04.066
Note, WebLog generation is not included in the time.

CASA logs for stage 8