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 5.49 5.203/5.918 5.605 ± 0.5341
ea02 1342 1342/1342 1342 ± 0 5.69 5.364/6.383 5.891 ± 0.6572
ea04 1342 1342/1342 1342 ± 0 5.312 5.011/5.852 5.457 ± 0.5376
ea05 1342 1342/1342 1342 ± 0 5.57 5.174/6.017 5.653 ± 0.5675
ea06 1342 1342/1342 1342 ± 0 4.976 4.713/5.541 5.122 ± 0.4909
ea07 1342 1342/1342 1342 ± 0 5.808 5.39/6.074 5.859 ± 0.5517
ea08 1342 1342/1342 1342 ± 0 5.608 5.407/6.454 5.93 ± 0.667
ea09 1342 1342/1342 1342 ± 0 5.621 5.168/6.151 5.667 ± 0.6278
ea10 1342 1342/1342 1342 ± 0.000003874 5.785 5.199/6.42 5.806 ± 0.6664
ea11 1342 1342/1342 1342 ± 0 5.649 5.09/6.203 5.697 ± 0.6528
ea12 1342 1342/1342 1342 ± 0 5.703 5.269/6.278 5.837 ± 0.6459
ea13 1342 1342/1342 1342 ± 0 6.004 5.69/6.302 6.082 ± 0.5092
ea14 1342 1342/1342 1342 ± 0 5.676 5.197/6.245 5.775 ± 0.6418
ea15 1342 1342/1342 1342 ± 0 5.481 5.053/6.1 5.641 ± 0.6752
ea16 1342 1342/1342 1342 ± 0 6.001 5.604/6.653 6.165 ± 0.7002
ea17 1342 1342/1342 1342 ± 0.000007648 5.811 5.495/6.365 5.979 ± 0.6167
ea18 1342 1342/1342 1342 ± 0 4.938 4.647/5.35 5.037 ± 0.4944
ea19 1342 1342/1342 1342 ± 0 5.908 5.455/6.564 6.076 ± 0.6325
ea20 1342 1342/1342 1342 ± 0 6.023 5.651/6.647 6.142 ± 0.6569
ea21 1342 1342/1342 1342 ± 0 5.646 5.307/6.103 5.745 ± 0.53
ea22 1342 1342/1342 1342 ± 0 5.433 5.128/6.103 5.636 ± 0.6652
ea23 1342 1342/1342 1342 ± 0 5.886 5.406/6.267 5.968 ± 0.6534
ea25 1342 1342/1342 1342 ± 0.000002862 5.373 5.168/5.963 5.572 ± 0.5606
ea26 1342 1342/1342 1342 ± 0 6.155 5.609/6.795 6.119 ± 0.6682
ea27 1342 1342/1342 1342 ± 0.00004022 5.419 5.174/6.223 5.63 ± 0.571
ea28 1342 1342/1342 1342 ± 0.00002249 5.562 5.31/6.28 5.765 ± 0.6446
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 ± 0.00002348 5.33 5.165/5.582 5.331 ± 0.2595
3 1342 1342/1342 1342 ± 0.00002348 5.107 4.947/5.409 5.176 ± 0.3169
4 1342 1342/1342 1342 ± 0.00002372 5.202 4.889/5.373 5.113 ± 0.3225
5 1342 1342/1342 1342 ± 0.00002353 5.156 4.952/5.344 5.154 ± 0.2995
6 1342 1342/1342 1342 ± 0.00002348 5.243 5.07/5.448 5.235 ± 0.2843
7 1342 1342/1342 1342 ± 0.00002348 5.284 5.153/5.413 5.28 ± 0.2586
8 1342 1342/1342 1342 ± 0.00002348 5.302 5.032/5.38 5.22 ± 0.2791
9 1342 1342/1342 1342 ± 0.00002348 5.502 5.344/5.753 5.498 ± 0.3166
10 1342 1342/1342 1342 ± 0.00002348 5.946 5.721/6.1 5.906 ± 0.3024
11 1342 1342/1342 1342 ± 0.00002348 6.189 5.976/6.319 6.117 ± 0.3022
12 1342 1342/1342 1342 ± 0.00002348 6.244 6.067/6.487 6.21 ± 0.4475
13 1342 1342/1342 1342 ± 0.00002348 6.72 6.622/6.852 6.712 ± 0.3424
14 1342 1342/1342 1342 ± 0.00002348 6.965 6.688/7.144 6.916 ± 0.3704
15 1342 1342/1342 1342 ± 0.00002348 6.673 6.355/6.846 6.569 ± 0.3672
16 1342 1342/1342 1342 ± 0.00003613 5.851 5.509/6.163 5.849 ± 0.387
17 1342 1342/1342 1342 ± 0.00003334 5.895 5.698/6.158 5.914 ± 0.3427
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-08 09:54:14.139
End
2025-01-08 10:49:38.928
Duration
0:55:24.789
Note, WebLog generation is not included in the time.

CASA logs for stage 8