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 5.47 5.219/6.501 5.718 ± 0.8437
ea02 1342 1342/1342 1342 ± 0.000008078 5.585 5.224/6.337 5.694 ± 0.8516
ea03 1342 1342/1342 1342 ± 0 5.465 5.098/6.539 5.693 ± 0.8685
ea04 1342 1342/1342 1342 ± 0.00004779 5.07 4.879/5.955 5.227 ± 0.8298
ea05 1342 1342/1342 1342 ± 0.0000422 5.273 5.011/6.36 5.504 ± 0.9037
ea06 1342 1342/1342 1342 ± 0 5.19 4.753/5.841 5.323 ± 0.7617
ea07 1342 1342/1342 1342 ± 0.00001879 5.091 4.914/6.167 5.387 ± 1.029
ea08 1342 1342/1342 1342 ± 0.000001169 5.556 5.225/6.643 5.823 ± 0.9279
ea09 1342 1342/1342 1342 ± 0.00004156 4.914 4.741/6.095 5.214 ± 0.7634
ea10 1342 1342/1342 1342 ± 0.00004564 4.962 4.662/6.049 5.215 ± 0.8098
ea11 1342 1342/1342 1342 ± 0.0000458 5.013 4.608/6.198 5.178 ± 1.023
ea12 1342 1342/1342 1342 ± 0.00003812 5.018 4.823/5.893 5.229 ± 0.8122
ea14 1342 1342/1342 1342 ± 0.00004266 5.519 5.077/6.404 5.705 ± 0.7839
ea15 1342 1342/1342 1342 ± 0.00004469 5.458 5.178/6.522 5.76 ± 0.9216
ea16 1342 1342/1342 1342 ± 0.000001207 5.597 5.335/6.514 5.758 ± 0.8947
ea17 1342 1342/1342 1342 ± 0.00002796 5.519 5.169/6.487 5.649 ± 1.008
ea18 1342 1342/1342 1342 ± 0 5.626 5.367/6.669 5.894 ± 0.8932
ea19 1342 1342/1342 1342 ± 0.00002491 5.144 4.992/6.222 5.456 ± 0.8699
ea20 1342 1342/1342 1342 ± 0.00003808 5.71 5.428/6.817 5.926 ± 0.9746
ea21 1342 1342/1342 1342 ± 0 5.082 4.898/5.82 5.281 ± 0.6601
ea22 1342 1342/1342 1342 ± 0 5.516 5.057/6.412 5.602 ± 0.9525
ea23 1342 1342/1342 1342 ± 0.0000446 5.457 5.031/6.287 5.667 ± 0.8223
ea24 1342 1342/1342 1342 ± 0.00001786 5.35 4.975/6.506 5.579 ± 0.8536
ea25 1342 1342/1342 1342 ± 0 5.855 5.358/6.751 6.014 ± 0.9285
ea27 1342 1342/1342 1342 ± 0.000001207 5.16 5.063/6.34 5.541 ± 0.7728
ea28 1342 1342/1342 1342 ± 0.00002734 5.588 5.496/6.885 5.943 ± 0.8807
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 5.088 4.925/5.249 5.102 ± 0.2656
3 1342 1342/1342 1342 ± 0.00003509 3.921 3.517/4.393 3.987 ± 0.5806
4 1342 1342/1342 1342 ± 0.00004149 3.847 3.711/3.979 3.846 ± 0.2269
5 1342 1342/1342 1342 ± 0.00002348 5.098 4.926/5.462 5.16 ± 0.3051
6 1342 1342/1342 1342 ± 0.00002348 5.115 4.891/5.398 5.143 ± 0.2886
7 1342 1342/1342 1342 ± 0.00002348 5.22 4.969/5.386 5.184 ± 0.2577
8 1342 1342/1342 1342 ± 0.00002348 5.121 4.973/5.408 5.16 ± 0.2944
9 1342 1342/1342 1342 ± 0.00002348 5.508 5.243/5.693 5.483 ± 0.2996
10 1342 1342/1342 1342 ± 0.00002348 6.048 5.818/6.142 6.006 ± 0.2665
11 1342 1342/1342 1342 ± 0.00002348 6.273 6.121/6.385 6.25 ± 0.2744
12 1342 1342/1342 1342 ± 0.00002348 6.444 6.201/6.565 6.418 ± 0.3111
13 1342 1342/1342 1342 ± 0.00002348 6.876 6.606/7.1 6.863 ± 0.3296
14 1342 1342/1342 1342 ± 0.00002348 6.853 6.599/7.123 6.836 ± 0.3672
15 1342 1342/1342 1342 ± 0.00002348 6.8 6.337/7.025 6.709 ± 0.3431
16 1342 1342/1342 1342 ± 0.00006104 5.059 4.855/5.199 5.068 ± 0.2786
17 1342 1342/1342 1342 ± 0.00006067 5.042 4.843/5.241 5.07 ± 0.2949
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
overwrite_modelcol
False
Start time
2025-07-23 04:55:11.944
End
2025-07-23 05:52:48.871
Duration
0:57:36.927
Note, WebLog generation is not included in the time.

CASA logs for stage 8