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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.22 5.701/6.652 6.224 ± 0.6122
ea02 1342 1342/1342 1342 ± 0.00002955 6.129 5.442/6.683 6.046 ± 0.885
ea03 1342 1342/1342 1342 ± 0 5.567 5.153/6.434 5.726 ± 0.8217
ea04 1342 1342/1342 1342 ± 0 5.711 5.234/6.395 5.819 ± 0.5958
ea06 1342 1342/1342 1342 ± 0 6.473 5.658/6.625 6.212 ± 0.6196
ea07 1342 1342/1342 1342 ± 0 6.064 5.528/6.447 6.105 ± 0.6206
ea08 1342 1342/1342 1342 ± 0 6.206 5.696/6.842 6.338 ± 0.7173
ea09 1342 1342/1342 1342 ± 0 6.015 5.44/6.778 6.111 ± 0.7012
ea10 1342 1342/1342 1342 ± 0 6.105 5.494/6.761 6.078 ± 0.7462
ea11 1342 1342/1342 1342 ± 0 6.267 5.455/6.736 6.176 ± 0.7781
ea12 1342 1342/1342 1342 ± 0 6.052 5.555/6.687 6.196 ± 0.7505
ea13 1342 1342/1342 1342 ± 0 5.915 5.768/6.438 6.081 ± 0.5455
ea14 1342 1342/1342 1342 ± 0 6.41 5.663/6.862 6.37 ± 0.7145
ea15 1342 1342/1342 1342 ± 0 5.626 5.048/5.996 5.583 ± 0.6906
ea16 1342 1342/1342 1342 ± 0 6.19 5.727/6.808 6.313 ± 0.7348
ea17 1342 1342/1342 1342 ± 0 6.539 6.157/7.373 6.747 ± 0.7024
ea18 1342 1342/1342 1342 ± 0 4.539 4.275/4.937 4.637 ± 0.4341
ea19 1342 1342/1342 1342 ± 0.000005701 6.292 5.781/6.912 6.417 ± 0.7373
ea20 1342 1342/1342 1342 ± 0 5.998 5.631/6.718 6.118 ± 0.7743
ea21 1342 1342/1342 1342 ± 0 5.998 5.625/6.599 6.139 ± 0.6435
ea22 1342 1342/1342 1342 ± 0 6.365 5.526/6.79 6.222 ± 0.7327
ea23 1342 1342/1342 1342 ± 0 6.195 5.711/6.677 6.25 ± 0.7707
ea24 1342 1342/1342 1342 ± 0 5.93 5.174/6.393 5.794 ± 0.587
ea25 1342 1342/1342 1342 ± 0 6.644 5.745/7.094 6.525 ± 0.834
ea26 1342 1342/1342 1342 ± 0 6.422 5.83/7.214 6.487 ± 0.711
ea27 1342 1342/1342 1342 ± 0 6.013 5.527/6.858 6.131 ± 0.7929
ea28 1342 1342/1342 1342 ± 0 6.165 5.783/6.919 6.367 ± 0.7876
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 ± 0.00002306 5.645 5.441/5.869 5.586 ± 0.337
3 1342 1342/1342 1342 ± 0.0000266 5.005 4.549/5.358 4.956 ± 0.5926
4 1342 1342/1342 1342 ± 0.00002416 5.464 5.163/5.61 5.394 ± 0.4341
5 1342 1342/1342 1342 ± 0.00002306 5.651 5.327/5.743 5.531 ± 0.3812
6 1342 1342/1342 1342 ± 0.00002306 5.55 5.338/5.733 5.489 ± 0.3294
7 1342 1342/1342 1342 ± 0.00002306 5.647 5.402/5.741 5.553 ± 0.3353
8 1342 1342/1342 1342 ± 0.00002306 5.539 5.338/5.772 5.505 ± 0.3721
9 1342 1342/1342 1342 ± 0.00002306 5.918 5.701/6.084 5.829 ± 0.3996
10 1342 1342/1342 1342 ± 0.00002306 6.412 6.208/6.512 6.283 ± 0.4177
11 1342 1342/1342 1342 ± 0.00002306 6.627 6.419/6.764 6.516 ± 0.4241
12 1342 1342/1342 1342 ± 0.00002306 6.78 6.561/6.821 6.661 ± 0.4568
13 1342 1342/1342 1342 ± 0.00002306 7.22 7.007/7.46 7.153 ± 0.491
14 1342 1342/1342 1342 ± 0.00002306 7.448 7.292/7.69 7.378 ± 0.4984
15 1342 1342/1342 1342 ± 0.00002306 7.093 6.932/7.32 7.024 ± 0.4711
16 1342 1342/1342 1342 ± 0.00002306 6.346 6.175/6.669 6.358 ± 0.4545
17 1342 1342/1342 1342 ± 0.00002344 6.342 6.125/6.593 6.318 ± 0.4395
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
Start time
2025-05-23 17:03:02.505
End
2025-05-23 18:15:46.961
Duration
1:12:44.456
Note, WebLog generation is not included in the time.

CASA logs for stage 8