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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.557 5.15/6.264 5.523 ± 1.075
ea02 1342 1342/1342 1342 ± 0.00003622 5.675 5.3/6.482 5.623 ± 1.005
ea03 1342 1342/1342 1342 ± 0.000003704 5.443 5.334/6.658 5.798 ± 0.8506
ea04 1342 1342/1342 1342 ± 0.00004905 5.276 4.978/6.107 5.265 ± 0.8676
ea05 1342 1342/1342 1342 ± 0.0000509 5.438 5.105/6.482 5.476 ± 1.02
ea06 1342 1342/1342 1342 ± 0.00003057 5.183 4.817/6.085 5.288 ± 0.8639
ea07 1342 1342/1342 1342 ± 0.00004253 5.237 5.11/6.304 5.456 ± 1.001
ea08 1342 1342/1342 1342 ± 0.00001334 5.915 5.587/6.891 5.935 ± 1.068
ea09 1342 1342/1342 1342 ± 0.00004854 5.157 4.834/6.156 5.236 ± 0.922
ea10 1342 1342/1342 1342 ± 0.00004864 5.09 4.624/5.941 5.056 ± 0.8579
ea11 1342 1342/1342 1342 ± 0.00005148 5.15 4.521/6.098 5.063 ± 1.023
ea13 1342 1342/1342 1342 ± 0.00003116 5.469 5.254/6.271 5.508 ± 0.7402
ea14 1342 1342/1342 1342 ± 0.00005035 5.463 5.267/6.555 5.573 ± 1.014
ea15 1342 1342/1342 1342 ± 0.00005026 5.512 5.035/6.562 5.529 ± 1.044
ea16 1342 1342/1342 1342 ± 0.00002754 5.975 5.418/6.546 5.862 ± 1.033
ea17 1342 1342/1342 1342 ± 0.0000433 5.712 5.395/6.667 5.75 ± 1.125
ea18 1342 1342/1342 1342 ± 0.00001052 5.96 5.656/6.966 6.056 ± 1.037
ea19 1342 1342/1342 1342 ± 0.00004412 5.487 5.311/6.427 5.528 ± 0.9657
ea20 1342 1342/1342 1342 ± 0.00004237 5.446 5.241/6.271 5.518 ± 0.8539
ea21 1342 1342/1342 1342 ± 0.000008767 5.09 4.847/5.806 5.243 ± 0.6727
ea22 1342 1342/1342 1342 ± 0.00002563 5.856 5.339/6.656 5.776 ± 1.03
ea23 1342 1342/1342 1342 ± 0.00004963 5.571 5.13/6.286 5.49 ± 0.9845
ea24 1342 1342/1342 1342 ± 0.00001904 5.173 4.954/6.031 5.449 ± 0.7562
ea25 1342 1342/1342 1342 ± 0.0000174 5.78 5.422/6.976 6.126 ± 1.029
ea27 1342 1342/1342 1342 ± 0.00002161 5.282 5.095/6.501 5.477 ± 0.9629
ea28 1342 1342/1342 1342 ± 0.000003704 5.743 5.593/6.791 5.878 ± 0.8763
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 ± 0.00002351 5.329 5.085/5.424 5.26 ± 0.2714
5 1342 1342/1342 1342 ± 0.00002868 5.208 5.024/5.543 5.325 ± 0.3857
6 1342 1342/1342 1342 ± 0.00002351 5.349 5.129/5.537 5.318 ± 0.284
7 1342 1342/1342 1342 ± 0.00002351 5.358 5.162/5.551 5.313 ± 0.2671
8 1342 1342/1342 1342 ± 0.00002351 5.34 5.14/5.468 5.315 ± 0.275
9 1342 1342/1342 1342 ± 0.00002351 5.538 5.347/5.805 5.555 ± 0.3045
10 1342 1342/1342 1342 ± 0.00002395 6.198 5.924/6.276 6.134 ± 0.3013
11 1342 1342/1342 1342 ± 0.0000235 6.482 6.263/6.627 6.432 ± 0.2821
12 1342 1342/1342 1342 ± 0.0000235 6.606 6.394/6.824 6.598 ± 0.3299
13 1342 1342/1342 1342 ± 0.00002373 6.747 6.455/7.054 6.769 ± 0.4173
14 1342 1342/1342 1342 ± 0.00005742 5.313 4.932/5.923 5.504 ± 0.7847
15 1342 1342/1342 1342 ± 0.0000235 6.802 6.321/7.14 6.735 ± 0.4814
16 1342 1342/1342 1342 ± 0.00005944 3.717 3.554/4.036 3.837 ± 0.4221
17 1342 1342/1342 1342 ± 0.0000596 3.675 3.478/3.969 3.728 ± 0.3594
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-19 11:38:15.913
End
2025-07-19 12:27:10.501
Duration
0:48:54.588
Note, WebLog generation is not included in the time.

CASA logs for stage 8