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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.808 5.383/6.169 5.797 ± 0.4615
ea02 1342 1342/1342 1342 ± 0 5.922 5.679/6.685 6.163 ± 0.5781
ea04 1342 1342/1342 1342 ± 0 5.538 5.171/6.131 5.659 ± 0.5563
ea05 1342 1342/1342 1342 ± 0 5.751 5.402/6.497 5.909 ± 0.5905
ea06 1342 1342/1342 1342 ± 0 4.905 4.568/5.288 4.916 ± 0.4034
ea07 1342 1342/1342 1342 ± 0.00001886 5.751 5.499/6.298 5.941 ± 0.5745
ea08 1342 1342/1342 1342 ± 0.000005496 5.966 5.728/6.702 6.232 ± 0.5987
ea09 1342 1342/1342 1342 ± 0 5.929 5.338/6.484 5.967 ± 0.608
ea10 1342 1342/1342 1342 ± 0.00003671 5.559 5.273/6.385 5.78 ± 0.5766
ea11 1342 1342/1342 1342 ± 0 5.97 5.291/6.379 5.92 ± 0.6118
ea12 1342 1342/1342 1342 ± 0 6.08 5.401/6.568 6.101 ± 0.6436
ea13 1342 1342/1342 1342 ± 0 6.331 5.83/6.414 6.237 ± 0.4672
ea14 1342 1342/1342 1342 ± 0 5.731 5.362/6.494 5.873 ± 0.6635
ea15 1342 1342/1342 1342 ± 0 5.771 5.09/6.213 5.749 ± 0.7124
ea16 1342 1342/1342 1342 ± 0 6.116 5.837/6.906 6.312 ± 0.659
ea17 1342 1342/1342 1342 ± 0 6.098 5.725/6.514 6.207 ± 0.5762
ea18 1342 1342/1342 1342 ± 0 5.25 4.84/5.723 5.272 ± 0.5257
ea19 1342 1342/1342 1342 ± 0 5.977 5.609/6.793 6.156 ± 0.6307
ea20 1342 1342/1342 1342 ± 0 6.388 5.773/6.852 6.312 ± 0.6503
ea21 1342 1342/1342 1342 ± 0.000001585 5.516 5.444/6.407 5.848 ± 0.5665
ea22 1342 1342/1342 1342 ± 0 5.906 5.33/6.377 5.896 ± 0.5909
ea23 1342 1342/1342 1342 ± 0 5.706 5.565/6.553 6.096 ± 0.6596
ea25 1342 1342/1342 1342 ± 0 5.732 5.283/6.168 5.79 ± 0.5816
ea26 1342 1342/1342 1342 ± 0 6.206 5.669/6.81 6.252 ± 0.5674
ea27 1342 1342/1342 1342 ± 0.00003959 5.607 5.421/6.457 5.864 ± 0.5575
ea28 1342 1342/1342 1342 ± 0.00001325 5.724 5.51/6.489 5.986 ± 0.5873
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 ± 0.00002363 5.429 5.242/5.649 5.415 ± 0.2741
4 1342 1342/1342 1342 ± 0.00002399 5.299 5.175/5.655 5.357 ± 0.4839
5 1342 1342/1342 1342 ± 0.00002363 5.401 5.171/5.614 5.401 ± 0.3397
6 1342 1342/1342 1342 ± 0.00002363 5.37 5.147/5.504 5.332 ± 0.3088
7 1342 1342/1342 1342 ± 0.00002363 5.46 5.239/5.626 5.423 ± 0.2953
8 1342 1342/1342 1342 ± 0.00002363 5.481 5.208/5.579 5.386 ± 0.3121
9 1342 1342/1342 1342 ± 0.00002363 5.743 5.537/5.924 5.669 ± 0.3508
10 1342 1342/1342 1342 ± 0.00002363 6.154 6.021/6.284 6.1 ± 0.324
11 1342 1342/1342 1342 ± 0.00002363 6.389 6.207/6.498 6.328 ± 0.3431
12 1342 1342/1342 1342 ± 0.00002363 6.546 6.358/6.699 6.478 ± 0.3696
13 1342 1342/1342 1342 ± 0.00002363 6.955 6.77/7.123 6.89 ± 0.3917
14 1342 1342/1342 1342 ± 0.00002363 7.013 6.823/7.28 6.979 ± 0.4274
15 1342 1342/1342 1342 ± 0.00002366 6.515 6.351/6.799 6.497 ± 0.3834
16 1342 1342/1342 1342 ± 0.00003864 5.874 5.619/6.105 5.862 ± 0.3628
17 1342 1342/1342 1342 ± 0.00003868 5.866 5.655/6.129 5.878 ± 0.3368
output_dir
 
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-05-17 13:24:12.926
End
2024-05-17 14:45:10.481
Duration
1:20:57.555
Note, WebLog generation is not included in the time.

CASA logs for stage 8