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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.182 5.462/6.613 6.072 ± 0.6596
ea02 1342 1342/1342 1342 ± 0 5.795 5.031/6.044 5.672 ± 0.6345
ea03 1342 1342/1342 1342 ± 0 6.214 5.355/6.838 6.165 ± 0.8167
ea04 1342 1342/1342 1342 ± 0 5.621 5.069/6.07 5.598 ± 0.6358
ea05 1342 1342/1342 1342 ± 0 6.044 5.282/6.813 6.006 ± 0.732
ea06 1342 1342/1342 1342 ± 0 6.25 5.173/6.493 5.952 ± 0.7481
ea07 1342 1342/1342 1342 ± 0 5.852 4.991/6.218 5.702 ± 0.743
ea08 1342 1342/1342 1342 ± 0 5.808 4.775/6.036 5.538 ± 0.7297
ea09 1342 1342/1342 1342 ± 0 5.55 4.892/6.24 5.518 ± 0.6785
ea10 1342 1342/1342 1342 ± 0 5.747 5.048/6.215 5.669 ± 0.644
ea11 1342 1342/1342 1342 ± 0 5.719 5.292/6.573 5.854 ± 0.7561
ea12 1342 1342/1342 1342 ± 0 5.775 5.167/6.392 5.795 ± 0.6772
ea13 1342 1342/1342 1342 ± 0 5.365 4.599/5.604 5.232 ± 0.563
ea14 1342 1342/1342 1342 ± 0 6.126 5.524/6.646 6.144 ± 0.6527
ea15 1342 1342/1342 1342 ± 0 6.024 5.437/6.582 6.021 ± 0.7131
ea16 1342 1342/1342 1342 ± 0 6.341 5.698/6.879 6.354 ± 0.7675
ea17 1342 1342/1342 1342 ± 0 6.07 5.526/6.937 6.19 ± 0.7422
ea18 1342 1342/1342 1342 ± 0 5.98 5.511/6.316 5.83 ± 0.5891
ea19 1342 1342/1342 1342 ± 0 6.152 5.423/6.68 6.083 ± 0.7135
ea20 1342 1342/1342 1342 ± 0 5.956 5.44/6.631 5.981 ± 0.6995
ea21 1342 1342/1342 1342 ± 0 5.649 5.021/6.049 5.586 ± 0.6061
ea22 1342 1342/1342 1342 ± 0 5.602 4.818/5.934 5.442 ± 0.6474
ea23 1342 1342/1342 1342 ± 0 6.234 5.406/6.391 6.061 ± 0.7276
ea24 1342 1342/1342 1342 ± 0 5.698 5.451/5.907 5.543 ± 0.5017
ea25 1342 1342/1342 1342 ± 0 6.58 5.653/7.132 6.506 ± 0.8833
ea27 1342 1342/1342 1342 ± 0 6.101 5.267/6.539 5.955 ± 0.7063
ea28 1342 1342/1342 1342 ± 0 5.832 5.166/6.409 5.74 ± 0.6618
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 5.318 5.077/5.442 5.233 ± 0.3125
4 1342 1342/1342 1342 ± 0.00002392 5.009 4.82/5.17 5.047 ± 0.3496
5 1342 1342/1342 1342 ± 0.00002457 5.024 4.854/5.193 5.052 ± 0.2649
6 1342 1342/1342 1342 ± 0.00002392 5.03 4.806/5.259 5.048 ± 0.266
7 1342 1342/1342 1342 ± 0.00002363 5.288 4.873/5.435 5.221 ± 0.2902
8 1342 1342/1342 1342 ± 0.00002336 5.181 4.994/5.478 5.204 ± 0.3366
9 1342 1342/1342 1342 ± 0.00002336 5.625 5.323/5.796 5.554 ± 0.345
10 1342 1342/1342 1342 ± 0.00002336 6.077 5.797/6.26 6.023 ± 0.3014
11 1342 1342/1342 1342 ± 0.00002336 6.267 5.986/6.552 6.251 ± 0.3129
12 1342 1342/1342 1342 ± 0.00002305 6.4 6.058/6.68 6.377 ± 0.385
13 1342 1342/1342 1342 ± 0.00002305 6.825 6.532/7.168 6.833 ± 0.433
14 1342 1342/1342 1342 ± 0.00002305 7.001 6.702/7.289 6.959 ± 0.4504
15 1342 1342/1342 1342 ± 0.00002305 6.682 6.404/6.97 6.696 ± 0.4177
16 1342 1342/1342 1342 ± 0.00002305 6.07 5.873/6.423 6.134 ± 0.3945
17 1342 1342/1342 1342 ± 0.00002305 6.02 5.796/6.457 6.061 ± 0.3961
statwtmode
VLASS-SE
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-07-29 07:05:34.064
End
2025-07-29 08:09:09.194
Duration
1:03:35.129
Note, WebLog generation is not included in the time.

CASA logs for stage 8