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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.135 5.852/6.789 6.25 ± 0.7716
ea03 1342 1342/1342 1342 ± 0.000002116 5.765 5.239/6.379 5.816 ± 0.6872
ea04 1342 1342/1342 1342 ± 0 5.646 5.267/6.053 5.747 ± 0.5083
ea05 1342 1342/1342 1342 ± 0 6.044 5.555/6.604 6.102 ± 0.6757
ea06 1342 1342/1342 1342 ± 0 6.018 5.634/6.424 6.085 ± 0.5406
ea07 1342 1342/1342 1342 ± 0 5.981 5.49/6.113 5.958 ± 0.504
ea08 1342 1342/1342 1342 ± 0 6.243 5.663/6.548 6.222 ± 0.6432
ea09 1342 1342/1342 1342 ± 0 5.97 5.502/6.714 6.125 ± 0.6923
ea10 1342 1342/1342 1342 ± 0 5.913 5.52/6.631 6.045 ± 0.6169
ea11 1342 1342/1342 1342 ± 0 6.173 5.483/6.627 6.151 ± 0.6991
ea12 1342 1342/1342 1342 ± 0 6.052 5.675/6.678 6.196 ± 0.777
ea13 1342 1342/1342 1342 ± 0 6.037 5.907/6.36 6.164 ± 0.4598
ea14 1342 1342/1342 1342 ± 0 5.917 5.587/6.555 6.092 ± 0.6311
ea15 1342 1342/1342 1342 ± 0 5.496 5.121/5.928 5.559 ± 0.589
ea16 1342 1342/1342 1342 ± 0 6.196 5.852/6.669 6.288 ± 0.6698
ea17 1342 1342/1342 1342 ± 0 6.58 6.216/7.352 6.792 ± 0.649
ea18 1342 1342/1342 1342 ± 0 5.126 4.886/5.604 5.266 ± 0.4948
ea19 1342 1342/1342 1342 ± 0 6.25 5.906/6.916 6.427 ± 0.6662
ea20 1342 1342/1342 1342 ± 0 5.744 5.572/6.405 5.962 ± 0.6189
ea21 1342 1342/1342 1342 ± 0 5.704 5.506/6.302 5.889 ± 0.5334
ea22 1342 1342/1342 1342 ± 0 5.909 5.46/6.468 6.015 ± 0.625
ea23 1342 1342/1342 1342 ± 0 6.157 5.804/6.562 6.272 ± 0.6583
ea24 1342 1342/1342 1342 ± 0 5.996 5.326/6.402 5.889 ± 0.5496
ea25 1342 1342/1342 1342 ± 0 6.261 5.708/6.655 6.3 ± 0.7424
ea26 1342 1342/1342 1342 ± 0 6.315 5.874/6.963 6.459 ± 0.6425
ea27 1342 1342/1342 1342 ± 0 5.83 5.505/6.632 6.031 ± 0.6585
ea28 1342 1342/1342 1342 ± 0 6.068 5.677/6.662 6.22 ± 0.6576
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 5.703 5.484/5.926 5.701 ± 0.2764
3 1342 1342/1342 1342 ± 0.00002416 5.186 4.994/5.345 5.152 ± 0.3861
4 1342 1342/1342 1342 ± 0.00002305 5.42 5.273/5.696 5.495 ± 0.3836
5 1342 1342/1342 1342 ± 0.00002305 5.642 5.396/5.776 5.614 ± 0.339
6 1342 1342/1342 1342 ± 0.00002305 5.587 5.395/5.797 5.567 ± 0.2626
7 1342 1342/1342 1342 ± 0.00002305 5.596 5.425/5.787 5.592 ± 0.27
8 1342 1342/1342 1342 ± 0.00002305 5.53 5.302/5.683 5.517 ± 0.3059
9 1342 1342/1342 1342 ± 0.00002305 5.81 5.581/5.99 5.784 ± 0.306
10 1342 1342/1342 1342 ± 0.00002305 6.265 6.104/6.41 6.179 ± 0.3083
11 1342 1342/1342 1342 ± 0.00002305 6.423 6.315/6.602 6.395 ± 0.2999
12 1342 1342/1342 1342 ± 0.00002305 6.589 6.346/6.703 6.543 ± 0.3588
13 1342 1342/1342 1342 ± 0.00002305 7.024 6.799/7.344 7.037 ± 0.3852
14 1342 1342/1342 1342 ± 0.00002305 7.263 7.103/7.546 7.266 ± 0.3913
15 1342 1342/1342 1342 ± 0.00002305 6.925 6.705/7.214 6.933 ± 0.373
16 1342 1342/1342 1342 ± 0.00002305 6.219 5.966/6.589 6.294 ± 0.4037
17 1342 1342/1342 1342 ± 0.00002305 6.166 6.005/6.498 6.222 ± 0.38
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-04-23 19:16:03.379
End
2025-04-23 20:10:36.483
Duration
0:54:33.103
Note, WebLog generation is not included in the time.

CASA logs for stage 8