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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.387 5.113/5.839 5.523 ± 0.5222
ea02 1342 1342/1342 1342 ± 0 5.555 5.255/6.311 5.81 ± 0.6388
ea04 1342 1342/1342 1342 ± 0 5.282 4.995/5.9 5.48 ± 0.557
ea05 1342 1342/1342 1342 ± 0 5.458 5.078/5.976 5.566 ± 0.596
ea06 1342 1342/1342 1342 ± 0 4.973 4.615/5.497 5.069 ± 0.5084
ea07 1342 1342/1342 1342 ± 0 5.796 5.293/6.069 5.806 ± 0.5729
ea08 1342 1342/1342 1342 ± 0 5.571 5.327/6.432 5.906 ± 0.6602
ea09 1342 1342/1342 1342 ± 0 5.491 5.109/6.144 5.616 ± 0.6118
ea10 1342 1342/1342 1342 ± 0 5.785 5.124/6.394 5.772 ± 0.6717
ea11 1342 1342/1342 1342 ± 0.000001074 5.612 4.988/6.147 5.638 ± 0.6561
ea12 1342 1342/1342 1342 ± 0 5.592 5.153/6.229 5.767 ± 0.6531
ea13 1342 1342/1342 1342 ± 0 5.883 5.61/6.203 5.981 ± 0.4986
ea14 1342 1342/1342 1342 ± 0 5.579 5.074/6.189 5.68 ± 0.6712
ea15 1342 1342/1342 1342 ± 0 5.419 4.945/6.074 5.566 ± 0.6805
ea16 1342 1342/1342 1342 ± 0 5.932 5.483/6.596 6.096 ± 0.7309
ea17 1342 1342/1342 1342 ± 0 5.75 5.394/6.295 5.892 ± 0.6196
ea18 1342 1342/1342 1342 ± 0 4.849 4.563/5.304 4.964 ± 0.5091
ea19 1342 1342/1342 1342 ± 0 5.785 5.356/6.536 5.993 ± 0.6617
ea20 1342 1342/1342 1342 ± 0 5.986 5.569/6.624 6.128 ± 0.6638
ea21 1342 1342/1342 1342 ± 0 5.558 5.214/6.073 5.677 ± 0.5616
ea22 1342 1342/1342 1342 ± 0 5.371 5.053/6.053 5.565 ± 0.6645
ea23 1342 1342/1342 1342 ± 0 5.828 5.275/6.288 5.9 ± 0.6828
ea25 1342 1342/1342 1342 ± 0 5.325 5.017/5.857 5.479 ± 0.5609
ea26 1342 1342/1342 1342 ± 0 5.931 5.453/6.727 5.993 ± 0.6559
ea27 1342 1342/1342 1342 ± 0.000006864 5.425 5.071/6.208 5.604 ± 0.5878
ea28 1342 1342/1342 1342 ± 0.00001579 5.459 5.203/6.227 5.709 ± 0.6377
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 ± 0.00002349 5.169 5.027/5.438 5.19 ± 0.2405
3 1342 1342/1342 1342 ± 0.00002351 5.123 4.927/5.314 5.119 ± 0.2704
4 1342 1342/1342 1342 ± 0.00002353 5.053 4.866/5.212 5.025 ± 0.3021
5 1342 1342/1342 1342 ± 0.00002349 5.192 4.948/5.303 5.149 ± 0.3048
6 1342 1342/1342 1342 ± 0.00002349 5.133 4.929/5.342 5.125 ± 0.2833
7 1342 1342/1342 1342 ± 0.00002349 5.173 5.02/5.327 5.182 ± 0.2534
8 1342 1342/1342 1342 ± 0.00002349 5.201 4.96/5.324 5.148 ± 0.2733
9 1342 1342/1342 1342 ± 0.00002349 5.421 5.267/5.678 5.436 ± 0.3083
10 1342 1342/1342 1342 ± 0.00002349 5.901 5.668/6.05 5.852 ± 0.2993
11 1342 1342/1342 1342 ± 0.00002349 6.14 5.935/6.262 6.068 ± 0.305
12 1342 1342/1342 1342 ± 0.00002349 6.235 5.967/6.433 6.162 ± 0.4479
13 1342 1342/1342 1342 ± 0.00002349 6.669 6.567/6.806 6.659 ± 0.3352
14 1342 1342/1342 1342 ± 0.00002349 6.894 6.686/7.045 6.848 ± 0.3657
15 1342 1342/1342 1342 ± 0.00002349 6.593 6.312/6.794 6.514 ± 0.3577
16 1342 1342/1342 1342 ± 0.00002561 5.84 5.567/6.077 5.843 ± 0.3754
17 1342 1342/1342 1342 ± 0.00002485 5.895 5.518/6.121 5.859 ± 0.3698
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-08 14:52:52.961
End
2025-01-08 16:07:27.071
Duration
1:14:34.109
Note, WebLog generation is not included in the time.

CASA logs for stage 8