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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 5.998 5.647/6.834 6.088 ± 0.8546
ea02 1342 1342/1342 1342 ± 0 6.153 5.586/6.588 6.104 ± 0.8083
ea03 1342 1342/1342 1342 ± 0 6.161 5.48/6.741 6.166 ± 0.6961
ea04 1342 1342/1342 1342 ± 0 5.665 5.163/6.101 5.619 ± 0.7636
ea05 1342 1342/1342 1342 ± 0 5.913 5.346/6.439 5.894 ± 0.7929
ea06 1342 1342/1342 1342 ± 0 5.982 5.196/6.127 5.744 ± 0.7374
ea07 1342 1342/1342 1342 ± 0 5.951 5.356/6.512 5.93 ± 0.8116
ea08 1342 1342/1342 1342 ± 0 6.683 5.736/6.866 6.417 ± 0.6675
ea09 1342 1342/1342 1342 ± 0 5.695 5.188/6.407 5.725 ± 0.854
ea10 1342 1342/1342 1342 ± 0 5.693 5.121/6.112 5.604 ± 0.814
ea11 1342 1342/1342 1342 ± 0.00000109 5.622 5.267/6.365 5.701 ± 0.8062
ea12 1342 1342/1342 1342 ± 0 5.558 5.311/6.157 5.677 ± 0.7347
ea13 1342 1342/1342 1342 ± 0 6.207 5.6/6.354 6.051 ± 0.5257
ea14 1342 1342/1342 1342 ± 0 6.03 5.633/6.543 6.031 ± 0.8207
ea15 1342 1342/1342 1342 ± 0 6.728 6.681/7.29 6.913 ± 0.4144
ea17 1342 1342/1342 1342 ± 0 6.226 5.799/6.881 6.216 ± 0.9079
ea18 1342 1342/1342 1342 ± 0 6.481 5.901/7.092 6.426 ± 0.6796
ea19 1342 1342/1342 1342 ± 0 5.957 5.531/6.526 5.963 ± 0.7759
ea20 1342 1342/1342 1342 ± 0 6.436 5.992/6.993 6.464 ± 0.7492
ea21 1342 1342/1342 1342 ± 0 5.475 5.198/5.958 5.583 ± 0.542
ea22 1342 1342/1342 1342 ± 0 6.481 5.744/6.826 6.259 ± 0.7411
ea23 1342 1342/1342 1342 ± 0.000002883 6.016 5.5/6.301 5.916 ± 0.8447
ea24 1342 1342/1342 1342 ± 0 6.12 5.285/6.463 5.885 ± 0.647
ea25 1342 1342/1342 1342 ± 0 6.357 5.753/6.936 6.396 ± 0.8218
ea27 1342 1342/1342 1342 ± 0 5.647 5.272/6.371 5.69 ± 0.7982
ea28 1342 1342/1342 1342 ± 0 6.275 5.797/7.054 6.384 ± 0.7677
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 ± 0.00002393 5.541 5.398/5.722 5.562 ± 0.253
3 1342 1342/1342 1342 ± 0.00002617 3.919 3.614/4.783 4.136 ± 0.6763
4 1342 1342/1342 1342 ± 0.00002423 5.399 5.202/5.663 5.431 ± 0.3323
5 1342 1342/1342 1342 ± 0.00002409 5.334 5.17/5.671 5.397 ± 0.2902
6 1342 1342/1342 1342 ± 0.00002393 5.341 5.111/5.638 5.387 ± 0.2954
7 1342 1342/1342 1342 ± 0.00002393 5.54 5.356/5.758 5.55 ± 0.2482
8 1342 1342/1342 1342 ± 0.00002393 5.506 5.216/5.672 5.472 ± 0.291
9 1342 1342/1342 1342 ± 0.00002393 5.744 5.565/5.958 5.767 ± 0.2802
10 1342 1342/1342 1342 ± 0.00002348 6.246 6.099/6.326 6.228 ± 0.2607
11 1342 1342/1342 1342 ± 0.00002348 6.423 6.228/6.607 6.43 ± 0.2694
12 1342 1342/1342 1342 ± 0.00002348 6.479 6.307/6.768 6.56 ± 0.3185
13 1342 1342/1342 1342 ± 0.00002348 7.046 6.71/7.269 7.019 ± 0.3307
14 1342 1342/1342 1342 ± 0.00002348 7.259 6.937/7.528 7.211 ± 0.3351
15 1342 1342/1342 1342 ± 0.00002348 6.844 6.563/7.232 6.892 ± 0.3712
16 1342 1342/1342 1342 ± 0.00002356 6.34 5.989/6.785 6.351 ± 0.4251
17 1342 1342/1342 1342 ± 0.00002351 6.294 6.039/6.691 6.308 ± 0.4081
output_dir
 
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-31 09:45:13.894
End
2025-07-31 10:52:54.166
Duration
1:07:40.272
Note, WebLog generation is not included in the time.

CASA logs for stage 8