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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.577 5.267/6.162 5.702 ± 0.5405
ea02 1342 1342/1342 1342 ± 0.00001593 5.805 5.485/6.594 6.004 ± 0.6471
ea04 1342 1342/1342 1342 ± 0.0000147 5.557 5.205/6.04 5.656 ± 0.4994
ea05 1342 1342/1342 1342 ± 0 5.885 5.444/6.497 5.899 ± 0.5947
ea06 1342 1342/1342 1342 ± 0 5.565 5.106/5.944 5.562 ± 0.4867
ea07 1342 1342/1342 1342 ± 0 5.148 5.116/5.534 5.26 ± 0.2235
ea08 1342 1342/1342 1342 ± 0.00003126 5.948 5.594/6.655 6.126 ± 0.6617
ea09 1342 1342/1342 1342 ± 0 5.188 4.966/5.807 5.366 ± 0.4398
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.000003941 5.679 5.346/6.36 5.891 ± 0.6107
ea13 1342 1342/1342 1342 ± 0 6.011 5.863/6.31 6.179 ± 0.4463
ea14 1342 1342/1342 1342 ± 0 6.004 5.386/6.474 5.974 ± 0.6345
ea15 1342 1342/1342 1342 ± 0 5.953 5.43/6.412 6 ± 0.6507
ea16 1342 1342/1342 1342 ± 0 6.098 5.569/6.606 6.126 ± 0.6598
ea17 1342 1342/1342 1342 ± 0.000009195 5.708 5.474/5.816 5.668 ± 0.2143
ea18 1342 1342/1342 1342 ± 0.000001094 5.237 4.885/5.742 5.272 ± 0.5032
ea19 1342 1342/1342 1342 ± 0 5.679 5.619/5.799 5.724 ± 0.1425
ea20 1342 1342/1342 1342 ± 0 6.311 5.793/6.821 6.29 ± 0.6269
ea21 1342 1342/1342 1342 ± 0 5.612 5.396/6.329 5.864 ± 0.5528
ea22 1342 1342/1342 1342 ± 0 5.543 5.3/6.455 5.824 ± 0.6288
ea23 1342 1342/1342 1342 ± 0.000006753 5.815 5.478/6.532 6.014 ± 0.6692
ea24 1342 1342/1342 1342 ± 0 5.804 5.149/6.311 5.697 ± 0.569
ea25 1342 1342/1342 1342 ± 0.000008237 5.45 5.376/6.314 5.816 ± 0.6043
ea26 1342 1342/1342 1342 ± 0 6.124 5.854/6.99 6.338 ± 0.651
ea27 1342 1342/1342 1342 ± 0.00001211 5.491 5.232/5.572 5.407 ± 0.1849
ea28 1342 1342/1342 1342 ± 0.00004076 5.656 5.492/6.53 5.95 ± 0.6306
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 ± 0.00002392 5.489 5.278/5.634 5.477 ± 0.2331
3 1342 1342/1342 1342 ± 0.00002553 5.153 5.018/5.364 5.195 ± 0.2931
4 1342 1342/1342 1342 ± 0.00002683 5.372 5.254/5.572 5.413 ± 0.3193
5 1342 1342/1342 1342 ± 0.00002392 5.481 5.281/5.678 5.465 ± 0.2963
6 1342 1342/1342 1342 ± 0.00002392 5.431 5.138/5.59 5.377 ± 0.2738
7 1342 1342/1342 1342 ± 0.00002392 5.425 5.226/5.592 5.415 ± 0.2615
8 1342 1342/1342 1342 ± 0.00002392 5.426 5.115/5.525 5.359 ± 0.2883
9 1342 1342/1342 1342 ± 0.00002399 5.654 5.469/5.876 5.626 ± 0.3101
10 1342 1342/1342 1342 ± 0.000026 6.075 5.874/6.227 6.016 ± 0.3229
11 1342 1342/1342 1342 ± 0.000026 6.298 6.16/6.414 6.243 ± 0.3098
12 1342 1342/1342 1342 ± 0.000026 6.431 6.299/6.543 6.384 ± 0.3155
13 1342 1342/1342 1342 ± 0.000026 6.909 6.5/7.041 6.801 ± 0.3633
14 1342 1342/1342 1342 ± 0.000026 7.069 6.798/7.255 7.003 ± 0.3853
15 1342 1342/1342 1342 ± 0.000026 6.723 6.432/6.896 6.627 ± 0.3911
16 1342 1342/1342 1342 ± 0.00004056 5.76 5.546/6.064 5.783 ± 0.3448
17 1342 1342/1342 1342 ± 0.00004132 5.742 5.614/6.082 5.815 ± 0.3204
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
Start time
2024-04-13 16:33:37.072
End
2024-04-13 17:42:40.446
Duration
1:09:03.373
Note, WebLog generation is not included in the time.

CASA logs for stage 7