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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.433 5.173/6.156 5.455 ± 0.9989
ea02 1342 1342/1342 1342 ± 0.00003302 5.576 5.188/6.32 5.525 ± 0.9802
ea03 1342 1342/1342 1342 ± 0.000003738 5.258 5.141/6.602 5.702 ± 0.8026
ea04 1342 1342/1342 1342 ± 0.00004744 5.105 4.848/5.978 5.188 ± 0.8032
ea05 1342 1342/1342 1342 ± 0.00005074 5.225 5.005/6.344 5.369 ± 0.9891
ea06 1342 1342/1342 1342 ± 0.00001807 4.84 4.685/5.846 5.277 ± 0.7018
ea07 1342 1342/1342 1342 ± 0.00004216 5.098 4.846/6.189 5.342 ± 0.9982
ea08 1342 1342/1342 1342 ± 0.000005665 5.654 5.368/6.668 5.804 ± 0.9442
ea09 1342 1342/1342 1342 ± 0.0000476 4.924 4.714/5.863 5.06 ± 0.8165
ea10 1342 1342/1342 1342 ± 0.00005156 4.886 4.524/5.98 5.039 ± 0.8848
ea11 1342 1342/1342 1342 ± 0.00004898 5.156 4.465/6.165 5.184 ± 0.9342
ea12 1342 1342/1342 1342 ± 0.00004648 5.083 4.836/5.843 5.16 ± 0.8286
ea14 1342 1342/1342 1342 ± 0.00005078 5.365 5.087/6.382 5.477 ± 0.9293
ea15 1342 1342/1342 1342 ± 0.00005126 5.451 5.051/6.491 5.533 ± 1.037
ea16 1342 1342/1342 1342 ± 0.00001906 5.639 5.087/6.545 5.67 ± 0.9448
ea17 1342 1342/1342 1342 ± 0.00004893 5.538 5.101/6.425 5.578 ± 1
ea18 1342 1342/1342 1342 ± 0.000009307 5.646 5.315/6.671 5.729 ± 1.005
ea19 1342 1342/1342 1342 ± 0.00004226 5.144 4.983/6.193 5.404 ± 0.8809
ea20 1342 1342/1342 1342 ± 0.00004655 5.76 5.477/6.788 5.749 ± 1.082
ea21 1342 1342/1342 1342 ± 0.000007482 5.008 4.861/5.832 5.247 ± 0.6787
ea22 1342 1342/1342 1342 ± 0.00002325 5.5 5.023/6.337 5.46 ± 0.9829
ea23 1342 1342/1342 1342 ± 0.00005159 5.445 4.971/6.258 5.449 ± 0.9601
ea24 1342 1342/1342 1342 ± 0.00001796 5.074 4.973/6.334 5.478 ± 0.8127
ea25 1342 1342/1342 1342 ± 0.00001057 5.456 5.336/6.792 5.925 ± 0.9837
ea27 1342 1342/1342 1342 ± 0.00001817 5.141 4.89/6.26 5.396 ± 0.8314
ea28 1342 1342/1342 1342 ± 0.00002727 5.537 5.432/6.657 5.741 ± 0.9615
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 5.083 4.888/5.213 5.074 ± 0.2631
4 1342 1342/1342 1342 ± 0.0000604 3.491 3.363/3.694 3.518 ± 0.209
5 1342 1342/1342 1342 ± 0.00002354 5.111 4.882/5.398 5.128 ± 0.3105
6 1342 1342/1342 1342 ± 0.00002348 5.085 4.855/5.359 5.109 ± 0.2754
7 1342 1342/1342 1342 ± 0.00002348 5.18 4.983/5.364 5.159 ± 0.2573
8 1342 1342/1342 1342 ± 0.00002348 5.157 4.989/5.407 5.177 ± 0.2885
9 1342 1342/1342 1342 ± 0.00002348 5.48 5.274/5.708 5.488 ± 0.3055
10 1342 1342/1342 1342 ± 0.00002348 6.028 5.812/6.166 6.006 ± 0.2754
11 1342 1342/1342 1342 ± 0.00002348 6.316 6.147/6.431 6.286 ± 0.2775
12 1342 1342/1342 1342 ± 0.00002348 6.475 6.212/6.604 6.446 ± 0.3135
13 1342 1342/1342 1342 ± 0.00002354 6.785 6.498/7.052 6.77 ± 0.3366
14 1342 1342/1342 1342 ± 0.00004692 6.041 5.81/6.264 6.1 ± 0.4622
15 1342 1342/1342 1342 ± 0.00002348 6.697 6.297/6.975 6.635 ± 0.3638
16 1342 1342/1342 1342 ± 0.00005978 4.142 3.935/4.491 4.253 ± 0.4257
17 1342 1342/1342 1342 ± 0.00006074 4.193 3.974/4.477 4.265 ± 0.3837
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
overwrite_modelcol
False
Start time
2025-07-22 23:43:53.257
End
2025-07-23 00:46:13.046
Duration
1:02:19.789
Note, WebLog generation is not included in the time.

CASA logs for stage 8