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 5.162 5.074/5.788 5.391 ± 0.4358
ea02 1342 1342/1342 1342 ± 0 6.033 5.721/6.457 6.214 ± 0.5725
ea03 1342 1342/1342 1342 ± 0.00000198 6.016 5.512/6.667 6.12 ± 0.6177
ea04 1342 1342/1342 1342 ± 0.00000685 5.472 5.271/6.061 5.623 ± 0.4811
ea05 1342 1342/1342 1342 ± 0.000012 5.629 5.357/6.46 5.865 ± 0.5882
ea06 1342 1342/1342 1342 ± 0.000006944 5.606 5.191/6.083 5.755 ± 0.5635
ea07 1342 1342/1342 1342 ± 0 5.647 5.328/6.248 5.896 ± 0.6423
ea08 1342 1342/1342 1342 ± 0 6.123 5.836/6.769 6.33 ± 0.5897
ea09 1342 1342/1342 1342 ± 0 5.569 5.188/6.382 5.721 ± 0.5937
ea10 1342 1342/1342 1342 ± 0 5.351 5.098/6.013 5.524 ± 0.5316
ea11 1342 1342/1342 1342 ± 0.00004069 5.507 4.908/6.14 5.558 ± 0.6028
ea12 1342 1342/1342 1342 ± 0.00003253 5.468 5.344/6.246 5.715 ± 0.5344
ea13 1342 1342/1342 1342 ± 0 5.877 5.671/6.42 6.054 ± 0.6167
ea14 1342 1342/1342 1342 ± 0.000001143 6.017 5.618/6.578 6.116 ± 0.5287
ea15 1342 1342/1342 1342 ± 0.00002947 5.903 5.537/6.705 6.164 ± 0.6722
ea17 1342 1342/1342 1342 ± 0 5.926 5.705/6.967 6.214 ± 0.6509
ea18 1342 1342/1342 1342 ± 0 6.208 5.999/7.054 6.47 ± 0.6242
ea19 1342 1342/1342 1342 ± 0.00003603 5.643 5.466/6.497 5.933 ± 0.5404
ea20 1342 1342/1342 1342 ± 0 5.743 5.51/6.556 6.005 ± 0.5481
ea21 1342 1342/1342 1342 ± 0.000005995 5.287 5.14/5.863 5.541 ± 0.4683
ea22 1342 1342/1342 1342 ± 0 6.05 5.822/6.865 6.292 ± 0.5953
ea23 1342 1342/1342 1342 ± 0 5.71 5.442/6.29 5.907 ± 0.618
ea24 1342 1342/1342 1342 ± 0 5.895 5.405/6.553 5.968 ± 0.5675
ea25 1342 1342/1342 1342 ± 0.000006559 6.384 5.736/6.838 6.432 ± 0.7264
ea28 1342 1342/1342 1342 ± 0 6.225 5.836/7.018 6.38 ± 0.6325
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 5.527 5.338/5.693 5.521 ± 0.2738
4 1342 1342/1342 1342 ± 0.00004455 5.012 4.772/5.099 4.923 ± 0.2095
5 1342 1342/1342 1342 ± 0.00002392 5.458 5.268/5.686 5.495 ± 0.3109
6 1342 1342/1342 1342 ± 0.00002392 5.364 5.097/5.594 5.355 ± 0.3149
7 1342 1342/1342 1342 ± 0.00002392 5.464 5.281/5.696 5.473 ± 0.2649
8 1342 1342/1342 1342 ± 0.00002392 5.382 5.214/5.639 5.411 ± 0.2863
9 1342 1342/1342 1342 ± 0.00002392 5.671 5.565/5.929 5.698 ± 0.3135
10 1342 1342/1342 1342 ± 0.00002392 6.149 5.993/6.332 6.109 ± 0.288
11 1342 1342/1342 1342 ± 0.00002392 6.321 6.095/6.542 6.319 ± 0.3225
12 1342 1342/1342 1342 ± 0.00002392 6.497 6.24/6.67 6.465 ± 0.3513
13 1342 1342/1342 1342 ± 0.00002392 6.966 6.572/7.169 6.898 ± 0.3762
14 1342 1342/1342 1342 ± 0.00002392 6.902 6.558/7.295 6.907 ± 0.454
15 1342 1342/1342 1342 ± 0.00002392 6.661 6.451/7.056 6.717 ± 0.3728
16 1342 1342/1342 1342 ± 0.00004162 5.667 5.383/6.029 5.689 ± 0.4232
17 1342 1342/1342 1342 ± 0.00004479 5.551 5.292/5.844 5.545 ± 0.3806
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
Start time
2025-07-19 07:53:53.755
End
2025-07-19 08:59:40.641
Duration
1:05:46.887
Note, WebLog generation is not included in the time.

CASA logs for stage 8