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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.39 5.948/6.859 6.437 ± 0.5844
ea03 1342 1342/1342 1342 ± 0 5.682 5.177/6.711 5.878 ± 0.7307
ea04 1342 1342/1342 1342 ± 0 6.228 5.706/6.747 6.301 ± 0.6871
ea05 1342 1342/1342 1342 ± 0 6.154 5.82/7.043 6.369 ± 0.7354
ea06 1342 1342/1342 1342 ± 0 6.443 5.834/6.813 6.35 ± 0.6324
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 5.924 5.612/6.701 6.155 ± 0.6088
ea09 1342 1342/1342 1342 ± 0 6.152 5.526/6.893 6.229 ± 0.6858
ea10 1342 1342/1342 1342 ± 0 7.091 6.773/7.308 7.021 ± 0.4284
ea11 1342 1342/1342 1342 ± 0 6.271 5.591/6.851 6.308 ± 0.7269
ea12 1342 1342/1342 1342 ± 0 6.583 5.89/7.009 6.569 ± 0.704
ea13 1342 1342/1342 1342 ± 0 5.829 5.463/6.224 5.916 ± 0.4236
ea14 1342 1342/1342 1342 ± 0 6.627 5.845/7.02 6.546 ± 0.7165
ea15 1342 1342/1342 1342 ± 0 6.047 5.434/6.57 6.063 ± 0.6652
ea16 1342 1342/1342 1342 ± 0 6.524 5.904/7.038 6.56 ± 0.7379
ea17 1342 1342/1342 1342 ± 0 6.859 6.388/7.844 7.062 ± 0.7352
ea18 1342 1342/1342 1342 ± 0 5.231 4.843/5.672 5.287 ± 0.5433
ea19 1342 1342/1342 1342 ± 0 6.733 5.972/7.289 6.657 ± 0.7061
ea20 1342 1342/1342 1342 ± 0 5.927 5.584/6.719 6.103 ± 0.6147
ea21 1342 1342/1342 1342 ± 0 5.458 5.214/6.033 5.651 ± 0.4858
ea22 1342 1342/1342 1342 ± 0 6.273 5.524/6.64 6.147 ± 0.6176
ea23 1342 1342/1342 1342 ± 0 6.303 5.896/6.908 6.49 ± 0.6933
ea24 1342 1342/1342 1342 ± 0 6.066 5.425/6.589 5.991 ± 0.584
ea25 1342 1342/1342 1342 ± 0 6.86 6.001/7.204 6.728 ± 0.8143
ea26 1342 1342/1342 1342 ± 0 6.719 6.108/7.457 6.757 ± 0.719
ea27 1342 1342/1342 1342 ± 0 6.109 5.744/7.069 6.345 ± 0.6874
ea28 1342 1342/1342 1342 ± 0 6.251 5.926/7.109 6.517 ± 0.6803
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 ± 0.00002392 5.745 5.554/6.008 5.738 ± 0.3364
4 1342 1342/1342 1342 ± 0.00002392 5.408 5.222/5.719 5.457 ± 0.4317
5 1342 1342/1342 1342 ± 0.00002392 5.816 5.475/5.924 5.701 ± 0.355
6 1342 1342/1342 1342 ± 0.00002392 5.717 5.5/5.867 5.646 ± 0.3057
7 1342 1342/1342 1342 ± 0.00002392 5.787 5.546/5.93 5.718 ± 0.3191
8 1342 1342/1342 1342 ± 0.00002392 5.654 5.431/5.931 5.677 ± 0.3698
9 1342 1342/1342 1342 ± 0.00002392 5.996 5.752/6.254 5.978 ± 0.36
10 1342 1342/1342 1342 ± 0.00002348 6.574 6.232/6.697 6.452 ± 0.3555
11 1342 1342/1342 1342 ± 0.00002348 6.792 6.539/6.966 6.701 ± 0.3722
12 1342 1342/1342 1342 ± 0.00002348 6.881 6.644/7.072 6.835 ± 0.4361
13 1342 1342/1342 1342 ± 0.00002348 7.359 7.065/7.712 7.312 ± 0.4943
14 1342 1342/1342 1342 ± 0.00002348 7.529 7.252/7.865 7.486 ± 0.497
15 1342 1342/1342 1342 ± 0.00002348 7.092 6.857/7.458 7.107 ± 0.4553
16 1342 1342/1342 1342 ± 0.00002348 6.369 6.067/6.791 6.388 ± 0.496
17 1342 1342/1342 1342 ± 0.00002348 6.305 6.046/6.713 6.316 ± 0.4885
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-06-12 08:52:07.091
End
2025-06-12 09:52:44.973
Duration
1:00:37.882
Note, WebLog generation is not included in the time.

CASA logs for stage 8