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

Statwt Summary Plot

VLASS2.1.sb38609051.eb38659592.59110.93759270833_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 5.561 5.308/6.029 5.701 ± 0.5613
ea02 1342 1342/1342 1342 ± 0 5.7 5.515/6.474 5.984 ± 0.6837
ea04 1342 1342/1342 1342 ± 0 5.311 5.017/5.841 5.469 ± 0.5073
ea05 1342 1342/1342 1342 ± 0 5.648 5.158/6.086 5.684 ± 0.589
ea06 1342 1342/1342 1342 ± 0 4.92 4.77/5.311 5.025 ± 0.3661
ea07 1342 1342/1342 1342 ± 0 5.918 5.413/6.102 5.894 ± 0.5515
ea08 1342 1342/1342 1342 ± 0.000006864 5.811 5.595/6.742 6.155 ± 0.7126
ea09 1342 1342/1342 1342 ± 0 5.681 5.281/6.341 5.821 ± 0.6286
ea10 1342 1342/1342 1342 ± 0 5.968 5.298/6.546 5.933 ± 0.6568
ea11 1342 1342/1342 1342 ± 0 5.901 5.214/6.357 5.866 ± 0.6807
ea12 1342 1342/1342 1342 ± 0 5.761 5.348/6.355 5.927 ± 0.6148
ea13 1342 1342/1342 1342 ± 0 6.291 5.993/6.532 6.332 ± 0.4863
ea14 1342 1342/1342 1342 ± 0 5.675 5.19/6.283 5.782 ± 0.6624
ea15 1342 1342/1342 1342 ± 0 5.582 5.212/6.279 5.812 ± 0.6454
ea16 1342 1342/1342 1342 ± 0 5.959 5.469/6.621 6.098 ± 0.7254
ea17 1342 1342/1342 1342 ± 0 5.984 5.579/6.505 6.102 ± 0.6425
ea18 1342 1342/1342 1342 ± 0 5.039 4.733/5.475 5.094 ± 0.5574
ea19 1342 1342/1342 1342 ± 0 5.863 5.418/6.617 6.067 ± 0.6786
ea20 1342 1342/1342 1342 ± 0 6.077 5.71/6.678 6.202 ± 0.6326
ea21 1342 1342/1342 1342 ± 0 5.606 5.27/6.119 5.736 ± 0.5668
ea22 1342 1342/1342 1342 ± 0 5.547 5.313/6.441 5.835 ± 0.6765
ea23 1342 1342/1342 1342 ± 0 5.923 5.38/6.365 5.973 ± 0.681
ea25 1342 1342/1342 1342 ± 0 5.612 5.332/6.125 5.749 ± 0.5346
ea26 1342 1342/1342 1342 ± 0 6.046 5.721/6.772 6.272 ± 0.6652
ea27 1342 1342/1342 1342 ± 0.00001917 5.558 5.241/6.304 5.727 ± 0.5835
ea28 1342 1342/1342 1342 ± 0.00003353 5.692 5.456/6.488 5.943 ± 0.6904
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 5.345 5.217/5.579 5.377 ± 0.2903
3 1342 1342/1342 1342 ± 0.00002348 5.222 4.971/5.378 5.187 ± 0.3024
4 1342 1342/1342 1342 ± 0.00002348 5.298 5.065/5.465 5.252 ± 0.3456
5 1342 1342/1342 1342 ± 0.00002348 5.345 5.108/5.512 5.35 ± 0.3314
6 1342 1342/1342 1342 ± 0.00002348 5.296 5.098/5.443 5.256 ± 0.3732
7 1342 1342/1342 1342 ± 0.00002348 5.344 5.234/5.511 5.358 ± 0.2824
8 1342 1342/1342 1342 ± 0.00002348 5.359 5.184/5.509 5.323 ± 0.2995
9 1342 1342/1342 1342 ± 0.00002348 5.627 5.436/5.857 5.592 ± 0.333
10 1342 1342/1342 1342 ± 0.00002348 6.022 5.845/6.208 6.009 ± 0.3455
11 1342 1342/1342 1342 ± 0.00002348 6.265 6.084/6.444 6.219 ± 0.3554
12 1342 1342/1342 1342 ± 0.00002393 6.456 6.2/6.593 6.369 ± 0.383
13 1342 1342/1342 1342 ± 0.00002348 6.92 6.704/7.115 6.835 ± 0.3869
14 1342 1342/1342 1342 ± 0.00002348 7.099 6.757/7.29 6.997 ± 0.4284
15 1342 1342/1342 1342 ± 0.00002348 6.7 6.463/6.962 6.644 ± 0.4366
16 1342 1342/1342 1342 ± 0.00003149 6.014 5.689/6.243 5.963 ± 0.3696
17 1342 1342/1342 1342 ± 0.00003184 6.001 5.614/6.174 5.941 ± 0.3697
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38609051.eb38659592.59110.93759270833_split_split.ms
statwtmode
VLASS-SE
Start time
2025-02-24 19:59:13.663
End
2025-02-24 20:21:14.874
Duration
0:22:01.210
Note, WebLog generation is not included in the time.

CASA logs for stage 8