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 5.646 5.371/6.275 5.695 ± 0.8438
ea02 1342 1342/1342 1342 ± 0.0000424 5.628 5.355/6.509 5.678 ± 0.8223
ea03 1342 1342/1342 1342 ± 0 5.55 5.392/6.269 5.771 ± 0.7007
ea04 1342 1342/1342 1342 ± 0.00003841 5.239 5.048/6.064 5.348 ± 0.6952
ea05 1342 1342/1342 1342 ± 0.0000456 5.513 5.149/6.472 5.587 ± 0.8563
ea06 1342 1342/1342 1342 ± 0.000008952 5.206 4.924/6.102 5.33 ± 0.6584
ea07 1342 1342/1342 1342 ± 0.00004201 5.242 5.103/6.364 5.526 ± 0.8446
ea08 1342 1342/1342 1342 ± 0.00003858 5.783 5.406/6.902 5.898 ± 0.9563
ea09 1342 1342/1342 1342 ± 0.00004065 5.272 4.932/5.967 5.36 ± 0.8037
ea10 1342 1342/1342 1342 ± 0.00004413 5.129 4.752/6.004 5.182 ± 0.7624
ea11 1342 1342/1342 1342 ± 0.00004947 5.371 4.793/6.125 5.276 ± 0.8482
ea13 1342 1342/1342 1342 ± 0.000001625 5.616 5.345/6.324 5.688 ± 0.6294
ea14 1342 1342/1342 1342 ± 0.00004413 5.539 5.294/6.606 5.697 ± 0.8543
ea15 1342 1342/1342 1342 ± 0.0000475 5.576 5.423/6.691 5.729 ± 0.9337
ea16 1342 1342/1342 1342 ± 0.000008346 5.892 5.391/6.634 5.872 ± 0.8373
ea17 1342 1342/1342 1342 ± 0.00004253 5.788 5.381/6.69 5.844 ± 0.9364
ea18 1342 1342/1342 1342 ± 0.00003442 5.901 5.516/6.982 5.96 ± 0.9696
ea19 1342 1342/1342 1342 ± 0.00002382 5.428 5.233/6.445 5.567 ± 0.8244
ea20 1342 1342/1342 1342 ± 0.00001101 5.824 5.616/6.475 5.933 ± 0.7135
ea21 1342 1342/1342 1342 ± 0 5.226 4.973/5.763 5.285 ± 0.5858
ea22 1342 1342/1342 1342 ± 0.00004039 5.765 5.28/6.648 5.766 ± 0.8824
ea23 1342 1342/1342 1342 ± 0.00004344 5.611 5.2/6.427 5.648 ± 0.8579
ea24 1342 1342/1342 1342 ± 0 5.28 5.151/6.528 5.698 ± 0.7626
ea25 1342 1342/1342 1342 ± 0.000005135 5.819 5.495/6.776 6.133 ± 0.8066
ea27 1342 1342/1342 1342 ± 0.000005506 5.34 5.029/6.456 5.479 ± 0.8716
ea28 1342 1342/1342 1342 ± 0 5.893 5.72/6.591 6.04 ± 0.7729
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 ± 0.00002363 5.361 5.067/5.43 5.302 ± 0.2403
5 1342 1342/1342 1342 ± 0.00002431 5.324 5.091/5.566 5.316 ± 0.3472
6 1342 1342/1342 1342 ± 0.0000235 5.393 5.166/5.627 5.387 ± 0.282
7 1342 1342/1342 1342 ± 0.0000235 5.407 5.218/5.617 5.383 ± 0.2577
8 1342 1342/1342 1342 ± 0.0000235 5.389 5.187/5.618 5.376 ± 0.2757
9 1342 1342/1342 1342 ± 0.0000235 5.634 5.483/5.904 5.668 ± 0.3044
10 1342 1342/1342 1342 ± 0.00002394 6.252 6.005/6.387 6.185 ± 0.308
11 1342 1342/1342 1342 ± 0.0000235 6.5 6.299/6.662 6.473 ± 0.2749
12 1342 1342/1342 1342 ± 0.0000235 6.666 6.438/6.869 6.641 ± 0.3277
13 1342 1342/1342 1342 ± 0.0000235 6.777 6.54/7.077 6.784 ± 0.3833
14 1342 1342/1342 1342 ± 0.0000414 5.314 5.027/5.853 5.529 ± 0.6873
15 1342 1342/1342 1342 ± 0.0000235 6.591 6.115/6.939 6.525 ± 0.4861
16 1342 1342/1342 1342 ± 0.00006073 4.263 4.047/4.529 4.338 ± 0.4155
17 1342 1342/1342 1342 ± 0.00006074 4.176 3.97/4.437 4.22 ± 0.3413
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-07-19 16:59:32.192
End
2025-07-19 18:08:22.643
Duration
1:08:50.450
Note, WebLog generation is not included in the time.

CASA logs for stage 8