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

Statwt Summary Plot

VLASS2.1.sb38620321.eb38711360.59131.8760765162_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 5.691 5.324/6.107 5.791 ± 0.5615
ea02 1342 1342/1342 1342 ± 0 5.932 5.527/6.685 6.091 ± 0.6837
ea03 1342 1342/1342 1342 ± 0 5.478 4.866/6.077 5.519 ± 0.6484
ea04 1342 1342/1342 1342 ± 0 5.401 5.112/6.077 5.602 ± 0.5648
ea05 1342 1342/1342 1342 ± 0 5.68 5.194/6.207 5.764 ± 0.6242
ea06 1342 1342/1342 1342 ± 0 5.17 4.914/5.638 5.27 ± 0.4264
ea07 1342 1342/1342 1342 ± 0 5.967 5.425/6.203 5.956 ± 0.5918
ea08 1342 1342/1342 1342 ± 0 5.928 5.7/6.808 6.247 ± 0.7085
ea09 1342 1342/1342 1342 ± 0 5.757 5.3/6.432 5.872 ± 0.6496
ea10 1342 1342/1342 1342 ± 0 5.938 5.312/6.591 5.956 ± 0.6802
ea11 1342 1342/1342 1342 ± 0 5.987 5.45/6.538 6.058 ± 0.6848
ea12 1342 1342/1342 1342 ± 0 5.753 5.337/6.307 5.891 ± 0.6034
ea13 1342 1342/1342 1342 ± 0 6.239 5.994/6.607 6.381 ± 0.5052
ea15 1342 1342/1342 1342 ± 0 5.71 5.32/6.457 5.923 ± 0.6928
ea16 1342 1342/1342 1342 ± 0 5.973 5.55/6.695 6.143 ± 0.7469
ea17 1342 1342/1342 1342 ± 0.000002829 6.313 5.895/6.872 6.433 ± 0.7066
ea18 1342 1342/1342 1342 ± 0 5.017 4.704/5.474 5.118 ± 0.5066
ea19 1342 1342/1342 1342 ± 0 5.934 5.26/6.465 5.885 ± 0.6365
ea20 1342 1342/1342 1342 ± 0 5.915 5.488/6.566 6.03 ± 0.6034
ea21 1342 1342/1342 1342 ± 0 5.636 5.257/6.169 5.757 ± 0.5884
ea22 1342 1342/1342 1342 ± 0 5.621 5.339/6.515 5.912 ± 0.6831
ea23 1342 1342/1342 1342 ± 0 5.968 5.376/6.431 6.048 ± 0.7003
ea24 1342 1342/1342 1342 ± 0 5.816 5.527/6.754 6 ± 0.6476
ea25 1342 1342/1342 1342 ± 0 5.571 5.338/6.242 5.795 ± 0.5892
ea26 1342 1342/1342 1342 ± 0 6.188 5.82/6.902 6.372 ± 0.7135
ea27 1342 1342/1342 1342 ± 0.00001227 5.581 5.356/6.457 5.808 ± 0.6074
ea28 1342 1342/1342 1342 ± 0.00001127 5.529 5.312/6.317 5.772 ± 0.6512
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 ± 0.00002307 5.384 5.252/5.582 5.389 ± 0.2922
3 1342 1342/1342 1342 ± 0.00002317 5.167 4.962/5.388 5.162 ± 0.3016
4 1342 1342/1342 1342 ± 0.0000242 5.304 5.076/5.485 5.287 ± 0.3516
5 1342 1342/1342 1342 ± 0.00002307 5.263 5.15/5.523 5.339 ± 0.3536
6 1342 1342/1342 1342 ± 0.0000235 5.328 5.211/5.544 5.339 ± 0.3273
7 1342 1342/1342 1342 ± 0.00002307 5.346 5.268/5.555 5.394 ± 0.2858
8 1342 1342/1342 1342 ± 0.00002307 5.323 5.159/5.55 5.343 ± 0.3115
9 1342 1342/1342 1342 ± 0.00002307 5.616 5.449/5.876 5.641 ± 0.3433
10 1342 1342/1342 1342 ± 0.00002307 6.078 5.919/6.317 6.08 ± 0.3423
11 1342 1342/1342 1342 ± 0.00002307 6.32 6.13/6.534 6.306 ± 0.3391
12 1342 1342/1342 1342 ± 0.00002307 6.504 6.233/6.66 6.459 ± 0.3751
13 1342 1342/1342 1342 ± 0.00002307 6.873 6.751/7.081 6.885 ± 0.367
14 1342 1342/1342 1342 ± 0.00002307 7.054 6.854/7.282 7.058 ± 0.4098
15 1342 1342/1342 1342 ± 0.00002307 6.702 6.495/6.952 6.699 ± 0.4113
16 1342 1342/1342 1342 ± 0.00002443 6.019 5.651/6.28 5.973 ± 0.3589
17 1342 1342/1342 1342 ± 0.00002492 6.001 5.802/6.282 6.003 ± 0.3345
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38620321.eb38711360.59131.8760765162_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-18 08:39:31.281
End
2024-12-18 09:57:47.137
Duration
1:18:15.856
Note, WebLog generation is not included in the time.

CASA logs for stage 8