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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.422 5.046/6.153 5.372 ± 1.03
ea02 1342 1342/1342 1342 ± 0.00002378 5.601 5.183/6.348 5.507 ± 0.9939
ea03 1342 1342/1342 1342 ± 0.000007081 5.227 5.126/6.612 5.694 ± 0.8625
ea04 1342 1342/1342 1342 ± 0.00004835 5.067 4.808/5.994 5.132 ± 0.8141
ea05 1342 1342/1342 1342 ± 0.00005286 5.208 4.964/6.342 5.293 ± 1.036
ea06 1342 1342/1342 1342 ± 0.00002199 4.865 4.703/5.891 5.264 ± 0.7615
ea07 1342 1342/1342 1342 ± 0.00003684 5.106 4.865/6.208 5.3 ± 1.035
ea08 1342 1342/1342 1342 ± 0.000008744 5.736 5.345/6.669 5.802 ± 0.9742
ea09 1342 1342/1342 1342 ± 0.00004837 4.928 4.636/5.879 5.014 ± 0.8173
ea10 1342 1342/1342 1342 ± 0.00005152 4.909 4.542/5.992 4.993 ± 0.9142
ea11 1342 1342/1342 1342 ± 0.0000511 5.16 4.408/6.146 5.11 ± 0.9766
ea12 1342 1342/1342 1342 ± 0.00004816 5.08 4.83/5.845 5.093 ± 0.8593
ea14 1342 1342/1342 1342 ± 0.00005264 5.376 5.076/6.398 5.424 ± 0.9525
ea15 1342 1342/1342 1342 ± 0.00005334 5.399 4.972/6.507 5.46 ± 1.064
ea16 1342 1342/1342 1342 ± 0.00002089 5.622 4.826/6.562 5.652 ± 0.9981
ea17 1342 1342/1342 1342 ± 0.00004806 5.538 5.113/6.443 5.542 ± 1.036
ea18 1342 1342/1342 1342 ± 0.000006825 5.645 5.322/6.664 5.734 ± 1.012
ea19 1342 1342/1342 1342 ± 0.0000444 5.188 4.964/6.229 5.361 ± 0.9018
ea20 1342 1342/1342 1342 ± 0.00004812 5.764 5.387/6.755 5.71 ± 1.06
ea21 1342 1342/1342 1342 ± 0.000007 5.056 4.856/5.842 5.251 ± 0.6945
ea22 1342 1342/1342 1342 ± 0.00001583 5.523 5.015/6.361 5.456 ± 1.002
ea23 1342 1342/1342 1342 ± 0.00005278 5.443 4.963/6.268 5.392 ± 0.9706
ea24 1342 1342/1342 1342 ± 0.000009131 5.059 4.923/6.204 5.459 ± 0.7844
ea25 1342 1342/1342 1342 ± 0.00001055 5.475 5.315/6.817 5.948 ± 1.011
ea27 1342 1342/1342 1342 ± 0.00001929 5.148 4.912/6.268 5.365 ± 0.8487
ea28 1342 1342/1342 1342 ± 0.00001872 5.544 5.392/6.669 5.741 ± 0.9177
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 ± 0.00002348 5.058 4.88/5.188 5.052 ± 0.2625
4 1342 1342/1342 1342 ± 0.00005999 3.515 3.387/3.733 3.541 ± 0.2315
5 1342 1342/1342 1342 ± 0.00002419 5.061 4.9/5.389 5.133 ± 0.3338
6 1342 1342/1342 1342 ± 0.00002348 5.1 4.869/5.372 5.117 ± 0.2732
7 1342 1342/1342 1342 ± 0.00002348 5.2 4.982/5.361 5.164 ± 0.2568
8 1342 1342/1342 1342 ± 0.00002348 5.17 4.971/5.435 5.184 ± 0.289
9 1342 1342/1342 1342 ± 0.00002348 5.473 5.283/5.721 5.494 ± 0.305
10 1342 1342/1342 1342 ± 0.00002348 6.054 5.815/6.179 6.017 ± 0.2772
11 1342 1342/1342 1342 ± 0.00002348 6.329 6.154/6.446 6.3 ± 0.2746
12 1342 1342/1342 1342 ± 0.00002348 6.486 6.206/6.616 6.459 ± 0.3143
13 1342 1342/1342 1342 ± 0.00002391 6.794 6.38/7.075 6.748 ± 0.3547
14 1342 1342/1342 1342 ± 0.00005181 5.772 5.435/6.253 5.901 ± 0.6486
15 1342 1342/1342 1342 ± 0.00002348 6.696 6.278/6.961 6.629 ± 0.3665
16 1342 1342/1342 1342 ± 0.00006055 3.952 3.759/4.412 4.112 ± 0.4541
17 1342 1342/1342 1342 ± 0.00006097 4.086 3.887/4.43 4.175 ± 0.3951
statwtmode
VLASS-SE
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-23 01:54:19.815
End
2025-07-23 03:01:47.917
Duration
1:07:28.102
Note, WebLog generation is not included in the time.

CASA logs for stage 8