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 5.634 5.468/6.26 5.744 ± 0.7508
ea02 1342 1342/1342 1342 ± 0.00003854 5.696 5.373/6.499 5.752 ± 0.7218
ea03 1342 1342/1342 1342 ± 0 5.537 5.299/6.491 5.837 ± 0.6833
ea04 1342 1342/1342 1342 ± 0.00004267 5.296 4.979/6.018 5.361 ± 0.6468
ea05 1342 1342/1342 1342 ± 0.00004285 5.48 5.184/6.435 5.622 ± 0.7788
ea06 1342 1342/1342 1342 ± 0.000004698 5.514 4.963/5.959 5.44 ± 0.5978
ea07 1342 1342/1342 1342 ± 0.00004004 5.293 5.071/6.317 5.561 ± 0.7506
ea08 1342 1342/1342 1342 ± 0.00003129 5.662 5.333/6.746 5.882 ± 0.7928
ea09 1342 1342/1342 1342 ± 0.00003947 5.372 5.059/5.711 5.388 ± 0.7595
ea10 1342 1342/1342 1342 ± 0.00004258 5.098 4.721/5.983 5.235 ± 0.6712
ea11 1342 1342/1342 1342 ± 0.00004734 5.346 4.747/6.157 5.373 ± 0.814
ea13 1342 1342/1342 1342 ± 0.000003632 5.349 5.084/6.072 5.514 ± 0.5396
ea14 1342 1342/1342 1342 ± 0.0000427 5.544 5.254/6.548 5.742 ± 0.7629
ea15 1342 1342/1342 1342 ± 0.00004487 5.719 5.53/6.619 5.787 ± 0.89
ea16 1342 1342/1342 1342 ± 0.000003446 5.902 5.446/6.581 5.954 ± 0.7666
ea17 1342 1342/1342 1342 ± 0.0000422 5.829 5.32/6.649 5.914 ± 0.8399
ea18 1342 1342/1342 1342 ± 0.0000284 5.8 5.47/6.8 5.946 ± 0.7847
ea19 1342 1342/1342 1342 ± 0.0000163 5.467 5.341/6.43 5.652 ± 0.7559
ea20 1342 1342/1342 1342 ± 0.000008373 5.444 5.207/6.06 5.61 ± 0.6603
ea21 1342 1342/1342 1342 ± 0 5.099 4.957/5.825 5.303 ± 0.5589
ea22 1342 1342/1342 1342 ± 0.00003548 5.734 5.177/6.514 5.726 ± 0.7396
ea23 1342 1342/1342 1342 ± 0.00004331 5.814 5.246/6.508 5.817 ± 0.7815
ea24 1342 1342/1342 1342 ± 0 5.22 4.907/6.229 5.496 ± 0.6881
ea25 1342 1342/1342 1342 ± 0.000001643 6.087 5.523/6.728 6.245 ± 0.8355
ea27 1342 1342/1342 1342 ± 0 5.339 5.042/6.42 5.517 ± 0.8147
ea28 1342 1342/1342 1342 ± 0.000001149 5.603 5.441/6.597 5.878 ± 0.7159
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 5.325 5.067/5.43 5.264 ± 0.246
5 1342 1342/1342 1342 ± 0.00002695 5.138 4.919/5.327 5.132 ± 0.3056
6 1342 1342/1342 1342 ± 0.00002348 5.302 5.076/5.515 5.277 ± 0.2666
7 1342 1342/1342 1342 ± 0.00002348 5.366 5.211/5.581 5.356 ± 0.2466
8 1342 1342/1342 1342 ± 0.00002348 5.367 5.119/5.55 5.334 ± 0.2816
9 1342 1342/1342 1342 ± 0.00002348 5.616 5.516/5.909 5.652 ± 0.3006
10 1342 1342/1342 1342 ± 0.00002392 6.149 5.995/6.311 6.124 ± 0.2844
11 1342 1342/1342 1342 ± 0.00002348 6.458 6.119/6.582 6.39 ± 0.2682
12 1342 1342/1342 1342 ± 0.00002348 6.602 6.351/6.775 6.549 ± 0.322
13 1342 1342/1342 1342 ± 0.00002348 6.736 6.474/6.961 6.766 ± 0.3871
14 1342 1342/1342 1342 ± 0.00002975 5.811 5.527/6.25 5.943 ± 0.5788
15 1342 1342/1342 1342 ± 0.00002359 6.456 5.942/6.8 6.34 ± 0.5301
16 1342 1342/1342 1342 ± 0.00006099 4.566 4.329/4.802 4.596 ± 0.3847
17 1342 1342/1342 1342 ± 0.00006099 4.467 4.289/4.64 4.488 ± 0.3905
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-07-20 00:42:43.218
End
2025-07-20 01:52:43.833
Duration
1:10:00.615
Note, WebLog generation is not included in the time.

CASA logs for stage 8