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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 6.151 5.445/6.534 5.968 ± 0.8378
ea02 1342 1342/1342 1342 ± 0.00001668 6.246 5.5/6.406 6.041 ± 0.7284
ea03 1342 1342/1342 1342 ± 0.000001913 6.124 5.454/6.755 6.117 ± 0.7553
ea04 1342 1342/1342 1342 ± 0 5.46 4.995/5.928 5.426 ± 0.7617
ea05 1342 1342/1342 1342 ± 0 5.806 5.281/6.48 5.832 ± 0.8075
ea06 1342 1342/1342 1342 ± 0 5.875 5.084/6.119 5.733 ± 0.6632
ea07 1342 1342/1342 1342 ± 0 5.875 5.162/6.341 5.821 ± 0.8308
ea08 1342 1342/1342 1342 ± 0 6.376 5.642/6.812 6.314 ± 0.7324
ea09 1342 1342/1342 1342 ± 0 5.659 5.117/6.401 5.766 ± 0.6556
ea10 1342 1342/1342 1342 ± 0 5.527 5.023/6.001 5.465 ± 0.7451
ea11 1342 1342/1342 1342 ± 0.000002391 5.338 5.045/6.198 5.478 ± 0.8004
ea13 1342 1342/1342 1342 ± 0 6.086 5.515/6.353 5.986 ± 0.5785
ea14 1342 1342/1342 1342 ± 0 5.932 5.525/6.54 5.944 ± 0.8181
ea15 1342 1342/1342 1342 ± 0 6.214 5.588/6.629 6.194 ± 0.6951
ea16 1342 1342/1342 1342 ± 0 6.219 5.656/6.752 6.229 ± 0.7057
ea17 1342 1342/1342 1342 ± 0 6.279 5.682/7.103 6.236 ± 0.8796
ea18 1342 1342/1342 1342 ± 0 6.405 5.912/7.048 6.497 ± 0.7263
ea19 1342 1342/1342 1342 ± 0 5.853 5.392/6.467 5.881 ± 0.794
ea20 1342 1342/1342 1342 ± 0 5.908 5.46/6.399 5.96 ± 0.7165
ea21 1342 1342/1342 1342 ± 0 5.582 5.176/6.065 5.642 ± 0.5358
ea22 1342 1342/1342 1342 ± 0 6.19 5.58/6.672 6.192 ± 0.7171
ea23 1342 1342/1342 1342 ± 0 6.02 5.438/6.381 5.931 ± 0.905
ea24 1342 1342/1342 1342 ± 0 6.07 5.344/6.469 5.89 ± 0.6007
ea25 1342 1342/1342 1342 ± 0 6.605 5.762/7.058 6.546 ± 0.8546
ea27 1342 1342/1342 1342 ± 0 5.81 5.265/6.513 5.838 ± 0.7085
ea28 1342 1342/1342 1342 ± 0 6.346 5.689/6.935 6.326 ± 0.6488
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 5.476 5.31/5.652 5.488 ± 0.2374
3 1342 1342/1342 1342 ± 0.00003016 4.098 3.598/4.537 4.212 ± 0.7218
4 1342 1342/1342 1342 ± 0.00002414 5.095 4.901/5.399 5.172 ± 0.3232
5 1342 1342/1342 1342 ± 0.00002348 5.328 5.108/5.57 5.324 ± 0.3004
6 1342 1342/1342 1342 ± 0.00002348 5.351 5.132/5.541 5.348 ± 0.2882
7 1342 1342/1342 1342 ± 0.00002348 5.488 5.296/5.634 5.452 ± 0.2484
8 1342 1342/1342 1342 ± 0.00002348 5.402 5.182/5.585 5.4 ± 0.2745
9 1342 1342/1342 1342 ± 0.00002348 5.67 5.589/5.922 5.726 ± 0.2841
10 1342 1342/1342 1342 ± 0.00002348 6.217 6.079/6.319 6.192 ± 0.2576
11 1342 1342/1342 1342 ± 0.00002348 6.4 6.204/6.585 6.402 ± 0.2711
12 1342 1342/1342 1342 ± 0.00002348 6.547 6.323/6.76 6.554 ± 0.3237
13 1342 1342/1342 1342 ± 0.00002348 6.994 6.703/7.235 6.987 ± 0.3437
14 1342 1342/1342 1342 ± 0.00002348 7.211 6.946/7.445 7.186 ± 0.367
15 1342 1342/1342 1342 ± 0.00002348 6.83 6.616/7.188 6.878 ± 0.3732
16 1342 1342/1342 1342 ± 0.0000235 6.179 5.898/6.456 6.215 ± 0.4186
17 1342 1342/1342 1342 ± 0.00002351 6.218 5.982/6.426 6.202 ± 0.3661
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
Start time
2025-07-29 05:48:34.251
End
2025-07-29 07:00:32.533
Duration
1:11:58.282
Note, WebLog generation is not included in the time.

CASA logs for stage 8