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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 5.934 5.479/6.263 5.849 ± 0.6778
ea02 1342 1342/1342 1342 ± 0.000001592 6.385 5.725/6.497 6.308 ± 0.6489
ea03 1342 1342/1342 1342 ± 0 6.061 5.447/6.645 6.096 ± 0.6327
ea04 1342 1342/1342 1342 ± 0.0000114 5.414 5.002/5.84 5.369 ± 0.6558
ea05 1342 1342/1342 1342 ± 0.0000123 5.646 5.312/6.395 5.806 ± 0.7264
ea06 1342 1342/1342 1342 ± 0.000002452 5.922 5.106/6.097 5.652 ± 0.748
ea07 1342 1342/1342 1342 ± 0.000002193 6.038 5.246/6.231 5.829 ± 0.8115
ea08 1342 1342/1342 1342 ± 0.000002686 6.495 5.683/6.799 6.318 ± 0.7672
ea09 1342 1342/1342 1342 ± 0.000004944 5.86 5.137/6.331 5.831 ± 0.6195
ea10 1342 1342/1342 1342 ± 0.000004127 5.425 5.048/6.043 5.497 ± 0.699
ea11 1342 1342/1342 1342 ± 0.00002623 5.331 5.133/6.147 5.513 ± 0.7299
ea12 1342 1342/1342 1342 ± 0.00000315 5.493 5.395/6.268 5.7 ± 0.6076
ea13 1342 1342/1342 1342 ± 0.000005277 6.145 5.557/6.278 5.988 ± 0.7234
ea14 1342 1342/1342 1342 ± 0.00001119 5.925 5.625/6.56 5.977 ± 0.7965
ea15 1342 1342/1342 1342 ± 0.00001702 5.261 4.794/5.567 5.273 ± 0.4761
ea16 1342 1342/1342 1342 ± 0 6.184 5.662/6.632 6.229 ± 0.6452
ea17 1342 1342/1342 1342 ± 0.000001575 6.21 5.794/6.993 6.258 ± 0.7475
ea18 1342 1342/1342 1342 ± 0.000001551 6.59 5.976/7.253 6.525 ± 0.799
ea19 1342 1342/1342 1342 ± 0.000002193 5.785 5.479/6.593 5.895 ± 0.7266
ea20 1342 1342/1342 1342 ± 0 6.206 5.561/6.601 6.158 ± 0.5568
ea21 1342 1342/1342 1342 ± 0.000002228 5.408 5.112/5.889 5.545 ± 0.5008
ea22 1342 1342/1342 1342 ± 0.000001575 6.447 5.934/6.884 6.343 ± 0.6782
ea23 1342 1342/1342 1342 ± 0 5.831 5.523/6.36 6.031 ± 0.6108
ea24 1342 1342/1342 1342 ± 0 6.098 5.289/6.403 5.894 ± 0.667
ea25 1342 1342/1342 1342 ± 0 6.535 5.729/6.817 6.473 ± 0.7378
ea27 1342 1342/1342 1342 ± 0 5.784 5.342/6.388 5.843 ± 0.5604
ea28 1342 1342/1342 1342 ± 0 6.355 5.806/6.92 6.421 ± 0.648
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 ± 0.00002306 5.48 5.264/5.692 5.478 ± 0.3089
3 1342 1342/1342 1342 ± 0.00003873 4.061 3.774/4.441 4.12 ± 0.4763
5 1342 1342/1342 1342 ± 0.00002306 5.484 5.185/5.677 5.447 ± 0.3701
6 1342 1342/1342 1342 ± 0.00002306 5.278 5.038/5.599 5.293 ± 0.3341
7 1342 1342/1342 1342 ± 0.00002306 5.48 5.196/5.659 5.442 ± 0.2832
8 1342 1342/1342 1342 ± 0.00002306 5.39 5.103/5.644 5.36 ± 0.3097
9 1342 1342/1342 1342 ± 0.00002306 5.647 5.494/5.923 5.667 ± 0.3278
10 1342 1342/1342 1342 ± 0.00002306 6.098 5.967/6.289 6.088 ± 0.3104
11 1342 1342/1342 1342 ± 0.00002306 6.289 6.071/6.496 6.281 ± 0.3188
12 1342 1342/1342 1342 ± 0.00002306 6.404 6.239/6.643 6.436 ± 0.3752
13 1342 1342/1342 1342 ± 0.00002306 6.989 6.581/7.184 6.895 ± 0.3846
14 1342 1342/1342 1342 ± 0.00002306 7.029 6.692/7.462 7.023 ± 0.4355
15 1342 1342/1342 1342 ± 0.00002306 6.761 6.447/7.13 6.729 ± 0.4376
16 1342 1342/1342 1342 ± 0.00002984 6.095 5.62/6.42 6.035 ± 0.4634
17 1342 1342/1342 1342 ± 0.00002541 6.127 5.678/6.349 6.026 ± 0.4592
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
Start time
2025-07-18 09:42:11.122
End
2025-07-18 10:56:41.059
Duration
1:14:29.936
Note, WebLog generation is not included in the time.

CASA logs for stage 8