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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.733 5.578/6.525 5.857 ± 0.7531
ea02 1342 1342/1342 1342 ± 0 5.979 5.528/6.453 5.982 ± 0.8051
ea03 1342 1342/1342 1342 ± 0 6.021 5.391/6.698 5.948 ± 0.7245
ea04 1342 1342/1342 1342 ± 0.000007439 5.252 4.93/5.916 5.302 ± 0.6596
ea05 1342 1342/1342 1342 ± 0.000003832 5.537 5.17/6.271 5.617 ± 0.7715
ea06 1342 1342/1342 1342 ± 0 5.593 5.052/5.993 5.537 ± 0.6716
ea07 1342 1342/1342 1342 ± 0 5.673 5.06/6.109 5.589 ± 0.8067
ea08 1342 1342/1342 1342 ± 0 5.894 5.399/6.53 5.941 ± 0.7441
ea09 1342 1342/1342 1342 ± 0 5.605 5.066/6.257 5.626 ± 0.6838
ea10 1342 1342/1342 1342 ± 0 5.253 5.023/6.063 5.421 ± 0.6604
ea11 1342 1342/1342 1342 ± 0.00003388 5.498 4.838/6.257 5.456 ± 0.8744
ea12 1342 1342/1342 1342 ± 0.0000155 5.376 5.114/6.215 5.511 ± 0.7233
ea14 1342 1342/1342 1342 ± 0 5.645 5.385/6.415 5.788 ± 0.7052
ea15 1342 1342/1342 1342 ± 0.00001843 5.858 5.513/6.617 5.944 ± 0.8747
ea16 1342 1342/1342 1342 ± 0 5.973 5.584/6.635 6.03 ± 0.7004
ea17 1342 1342/1342 1342 ± 0 5.951 5.629/6.949 6.067 ± 0.7519
ea18 1342 1342/1342 1342 ± 0 6.335 5.801/6.986 6.272 ± 0.7799
ea19 1342 1342/1342 1342 ± 0.000003104 5.615 5.319/6.53 5.772 ± 0.7564
ea20 1342 1342/1342 1342 ± 0 6.405 5.802/6.946 6.266 ± 0.806
ea22 1342 1342/1342 1342 ± 0 5.497 5.171/6.089 5.53 ± 0.5959
ea23 1342 1342/1342 1342 ± 0.00001018 5.573 5.353/6.323 5.757 ± 0.7731
ea24 1342 1342/1342 1342 ± 0 6.114 5.048/6.51 5.763 ± 0.8163
ea25 1342 1342/1342 1342 ± 0 6.403 5.563/6.855 6.252 ± 0.8714
ea27 1342 1342/1342 1342 ± 0.000004731 5.573 5.287/6.426 5.701 ± 0.7373
ea28 1342 1342/1342 1342 ± 0 6.386 5.744/7.047 6.266 ± 0.8435
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 ± 0.00002399 5.428 5.237/5.677 5.462 ± 0.3057
3 1342 1342/1342 1342 ± 0.00002626 3.794 3.537/4.339 3.952 ± 0.5542
4 1342 1342/1342 1342 ± 0.00003154 4.536 4.304/4.689 4.515 ± 0.2974
5 1342 1342/1342 1342 ± 0.00002401 5.399 5.075/5.691 5.406 ± 0.3256
6 1342 1342/1342 1342 ± 0.00002399 5.269 5.023/5.47 5.23 ± 0.2588
7 1342 1342/1342 1342 ± 0.00002399 5.368 5.144/5.545 5.36 ± 0.2623
8 1342 1342/1342 1342 ± 0.00002399 5.371 5.129/5.523 5.352 ± 0.2996
9 1342 1342/1342 1342 ± 0.00002399 5.625 5.455/5.864 5.638 ± 0.2921
10 1342 1342/1342 1342 ± 0.00002399 6.126 5.918/6.228 6.104 ± 0.2608
11 1342 1342/1342 1342 ± 0.00002399 6.371 6.066/6.495 6.334 ± 0.2815
12 1342 1342/1342 1342 ± 0.00002399 6.506 6.318/6.645 6.504 ± 0.3234
13 1342 1342/1342 1342 ± 0.00002399 6.915 6.746/7.141 6.949 ± 0.3514
14 1342 1342/1342 1342 ± 0.00002401 6.774 6.525/7.14 6.831 ± 0.455
15 1342 1342/1342 1342 ± 0.00002399 6.739 6.417/6.994 6.696 ± 0.3424
16 1342 1342/1342 1342 ± 0.00002893 5.836 5.433/6.095 5.818 ± 0.487
17 1342 1342/1342 1342 ± 0.0000316 5.718 5.413/6.001 5.744 ± 0.4149
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-31 00:39:48.736
End
2025-07-31 01:22:03.442
Duration
0:42:14.707
Note, WebLog generation is not included in the time.

CASA logs for stage 8