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 5.587 5.374/6.29 5.608 ± 0.8957
ea02 1342 1342/1342 1342 ± 0.00003903 5.65 5.324/6.497 5.648 ± 0.901
ea03 1342 1342/1342 1342 ± 0.000001196 5.403 5.338/6.233 5.69 ± 0.7164
ea04 1342 1342/1342 1342 ± 0.00004393 5.261 4.789/6.093 5.279 ± 0.782
ea05 1342 1342/1342 1342 ± 0.0000474 5.459 5.071/6.491 5.537 ± 0.906
ea06 1342 1342/1342 1342 ± 0.00001765 5.161 4.857/6.06 5.257 ± 0.7456
ea07 1342 1342/1342 1342 ± 0.00004141 5.228 5.077/6.343 5.477 ± 0.9096
ea08 1342 1342/1342 1342 ± 0.00002206 5.785 5.356/6.91 5.861 ± 1.05
ea09 1342 1342/1342 1342 ± 0.00004264 5.173 4.839/5.973 5.301 ± 0.81
ea10 1342 1342/1342 1342 ± 0.0000438 5.093 4.714/6.007 5.129 ± 0.7968
ea11 1342 1342/1342 1342 ± 0.00005075 5.224 4.594/6.117 5.158 ± 0.9073
ea13 1342 1342/1342 1342 ± 0.000001691 5.475 5.307/6.327 5.632 ± 0.6166
ea14 1342 1342/1342 1342 ± 0.0000456 5.504 5.299/6.617 5.651 ± 0.8863
ea15 1342 1342/1342 1342 ± 0.00004892 5.544 5.228/6.623 5.624 ± 0.9499
ea16 1342 1342/1342 1342 ± 0.00001716 5.721 5.378/6.591 5.774 ± 0.8705
ea17 1342 1342/1342 1342 ± 0.00004114 5.746 5.225/6.683 5.794 ± 1.006
ea18 1342 1342/1342 1342 ± 0.00001435 5.894 5.609/6.979 5.972 ± 1.056
ea19 1342 1342/1342 1342 ± 0.00003345 5.431 5.283/6.46 5.545 ± 0.8648
ea20 1342 1342/1342 1342 ± 0.00001529 5.545 5.464/6.297 5.718 ± 0.6782
ea21 1342 1342/1342 1342 ± 0.000005209 5.125 4.882/5.63 5.184 ± 0.5805
ea22 1342 1342/1342 1342 ± 0.00003298 5.73 5.215/6.672 5.749 ± 0.9906
ea23 1342 1342/1342 1342 ± 0.00004444 5.612 5.134/6.342 5.564 ± 0.8708
ea24 1342 1342/1342 1342 ± 0 5.224 5.122/6.535 5.642 ± 0.7455
ea25 1342 1342/1342 1342 ± 0.000009005 5.764 5.445/6.784 6.054 ± 0.8188
ea27 1342 1342/1342 1342 ± 0.00001046 5.287 4.931/6.331 5.443 ± 0.8709
ea28 1342 1342/1342 1342 ± 0 5.795 5.695/6.544 6.039 ± 0.7592
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 ± 0.00002349 5.342 5.083/5.429 5.276 ± 0.2647
5 1342 1342/1342 1342 ± 0.00002668 5.297 5.07/5.587 5.299 ± 0.3506
6 1342 1342/1342 1342 ± 0.00002349 5.38 5.136/5.582 5.349 ± 0.2821
7 1342 1342/1342 1342 ± 0.00002349 5.37 5.177/5.581 5.335 ± 0.2709
8 1342 1342/1342 1342 ± 0.00002349 5.359 5.178/5.517 5.343 ± 0.273
9 1342 1342/1342 1342 ± 0.00002349 5.535 5.369/5.804 5.571 ± 0.3056
10 1342 1342/1342 1342 ± 0.00002394 6.251 5.941/6.335 6.17 ± 0.3105
11 1342 1342/1342 1342 ± 0.00002349 6.495 6.286/6.672 6.461 ± 0.2801
12 1342 1342/1342 1342 ± 0.00002349 6.661 6.412/6.846 6.626 ± 0.3326
13 1342 1342/1342 1342 ± 0.00002349 6.755 6.477/7.007 6.744 ± 0.4003
14 1342 1342/1342 1342 ± 0.00004743 5.1 4.78/5.612 5.289 ± 0.686
15 1342 1342/1342 1342 ± 0.00002349 6.604 6.114/6.94 6.527 ± 0.4963
16 1342 1342/1342 1342 ± 0.00006103 4.076 3.936/4.379 4.21 ± 0.4162
17 1342 1342/1342 1342 ± 0.00006102 3.959 3.781/4.318 4.056 ± 0.3732
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
Start time
2025-07-19 11:28:16.333
End
2025-07-19 12:29:03.111
Duration
1:00:46.779
Note, WebLog generation is not included in the time.

CASA logs for stage 8