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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.592 5.93/7.265 6.512 ± 0.8514
ea03 1342 1342/1342 1342 ± 0.000005101 6.257 5.465/6.85 6.146 ± 0.7507
ea04 1342 1342/1342 1342 ± 0 6.022 5.539/6.446 6.087 ± 0.6057
ea05 1342 1342/1342 1342 ± 0 6.144 5.802/7.093 6.44 ± 0.7291
ea06 1342 1342/1342 1342 ± 0 6.345 5.748/6.651 6.302 ± 0.5993
ea07 1342 1342/1342 1342 ± 0 6.246 5.646/6.33 6.192 ± 0.5726
ea08 1342 1342/1342 1342 ± 0.000001207 6.744 5.817/6.937 6.531 ± 0.7331
ea09 1342 1342/1342 1342 ± 0 6.23 5.734/7.038 6.449 ± 0.7502
ea10 1342 1342/1342 1342 ± 0 6.162 5.926/7.048 6.436 ± 0.6606
ea11 1342 1342/1342 1342 ± 0.000003815 6.363 5.616/6.944 6.378 ± 0.7863
ea12 1342 1342/1342 1342 ± 0 6.564 5.878/6.902 6.516 ± 0.7264
ea13 1342 1342/1342 1342 ± 0 6.078 5.971/6.53 6.269 ± 0.469
ea14 1342 1342/1342 1342 ± 0 6.266 5.923/6.985 6.492 ± 0.6849
ea15 1342 1342/1342 1342 ± 0 5.349 5.047/5.912 5.466 ± 0.5263
ea16 1342 1342/1342 1342 ± 0 6.479 5.949/7.088 6.585 ± 0.7357
ea17 1342 1342/1342 1342 ± 0 6.657 6.111/7.668 6.849 ± 0.7734
ea18 1342 1342/1342 1342 ± 0 5.282 4.977/5.677 5.358 ± 0.4546
ea19 1342 1342/1342 1342 ± 0 6.491 6.19/7.489 6.799 ± 0.7403
ea20 1342 1342/1342 1342 ± 0 6.135 5.87/7.04 6.375 ± 0.6512
ea21 1342 1342/1342 1342 ± 0 5.91 5.689/6.714 6.176 ± 0.6118
ea22 1342 1342/1342 1342 ± 0 6.322 5.534/6.739 6.155 ± 0.6877
ea23 1342 1342/1342 1342 ± 0 6.232 6.021/7.048 6.557 ± 0.729
ea24 1342 1342/1342 1342 ± 0 6.319 5.369/6.597 6.07 ± 0.6479
ea25 1342 1342/1342 1342 ± 0 6.688 5.901/6.954 6.618 ± 0.7879
ea26 1342 1342/1342 1342 ± 0.000004336 6.666 6.114/7.332 6.701 ± 0.8264
ea27 1342 1342/1342 1342 ± 0 6.299 5.885/7.132 6.44 ± 0.7479
ea28 1342 1342/1342 1342 ± 0 6.323 5.987/7.164 6.596 ± 0.7329
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 ± 0.00002305 5.9 5.645/6.078 5.843 ± 0.3513
3 1342 1342/1342 1342 ± 0.00002416 5.485 5.26/5.646 5.427 ± 0.3299
4 1342 1342/1342 1342 ± 0.00003662 5.463 5.28/6 5.552 ± 0.5719
5 1342 1342/1342 1342 ± 0.00002305 5.851 5.523/5.966 5.719 ± 0.359
6 1342 1342/1342 1342 ± 0.00002305 5.797 5.493/5.952 5.736 ± 0.2979
7 1342 1342/1342 1342 ± 0.00002305 5.873 5.58/5.981 5.766 ± 0.3065
8 1342 1342/1342 1342 ± 0.00002305 5.734 5.466/5.975 5.705 ± 0.3455
9 1342 1342/1342 1342 ± 0.00002305 6.133 5.776/6.296 6.017 ± 0.3576
10 1342 1342/1342 1342 ± 0.00002305 6.59 6.311/6.725 6.479 ± 0.3673
11 1342 1342/1342 1342 ± 0.00002305 6.821 6.599/6.988 6.72 ± 0.378
12 1342 1342/1342 1342 ± 0.00002305 6.945 6.601/7.089 6.857 ± 0.4376
13 1342 1342/1342 1342 ± 0.00002305 7.443 7.114/7.768 7.393 ± 0.4698
14 1342 1342/1342 1342 ± 0.00002305 7.73 7.376/7.978 7.622 ± 0.4696
15 1342 1342/1342 1342 ± 0.00002305 7.288 6.929/7.554 7.176 ± 0.4677
16 1342 1342/1342 1342 ± 0.00002305 6.35 6.158/6.782 6.441 ± 0.4702
17 1342 1342/1342 1342 ± 0.00002305 6.412 6.089/6.646 6.375 ± 0.4668
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-06-07 12:43:50.520
End
2025-06-07 13:43:49.557
Duration
0:59:59.037
Note, WebLog generation is not included in the time.

CASA logs for stage 8