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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 4.178 3.986/4.237 4.109 ± 0.2409
ea02 1342 1342/1342 1342 ± 0 5.069 4.794/5.258 5.076 ± 0.2785
ea04 1342 1342/1342 1342 ± 0 4.109 3.973/4.258 4.142 ± 0.226
ea05 1342 1342/1342 1342 ± 0 5.264 5.103/5.578 5.345 ± 0.3598
ea06 1342 1342/1342 1342 ± 0 2.356 2.28/2.439 2.382 ± 0.1331
ea07 1342 1342/1342 1342 ± 0 5.177 4.985/5.272 5.159 ± 0.2009
ea08 1342 1342/1342 1342 ± 0 5.427 4.949/5.645 5.35 ± 0.404
ea09 1342 1342/1342 1342 ± 0 4.421 4.289/4.647 4.481 ± 0.2841
ea10 1342 1342/1342 1342 ± 0 5.128 4.866/5.464 5.151 ± 0.3578
ea11 1342 1342/1342 1342 ± 0 4.154 4.055/4.205 4.105 ± 0.2756
ea12 1342 1342/1342 1342 ± 0 4.791 4.578/5.052 4.822 ± 0.254
ea13 1342 1342/1342 1342 ± 0 4.313 4.156/4.416 4.323 ± 0.2344
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 4.575 4.396/4.863 4.619 ± 0.2545
ea17 1342 1342/1342 1342 ± 0 5.531 5.415/5.946 5.672 ± 0.3889
ea18 1342 1342/1342 1342 ± 0 4.537 4.461/4.944 4.678 ± 0.2803
ea19 1342 1342/1342 1342 ± 0 5.477 5.221/5.737 5.472 ± 0.347
ea21 1342 1342/1342 1342 ± 0 4.598 4.391/4.678 4.512 ± 0.2492
ea22 1342 1342/1342 1342 ± 0 4.982 4.847/5.341 5.078 ± 0.3271
ea23 1342 1342/1342 1342 ± 0 4.217 4.175/4.362 4.225 ± 0.2364
ea25 1342 1342/1342 1342 ± 0 4.072 4.057/4.368 4.191 ± 0.2051
ea26 1342 1342/1342 1342 ± 0 4.874 4.721/4.995 4.856 ± 0.2127
ea27 1342 1342/1342 1342 ± 0.000003226 4.867 4.676/5.204 4.929 ± 0.3088
ea28 1342 1342/1342 1342 ± 0 4.293 4.187/4.388 4.266 ± 0.2756
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 ± 0.00002617 4.943 4.713/5.227 4.979 ± 0.3364
3 1342 1342/1342 1342 ± 0.00003284 4.737 4.55/4.948 4.741 ± 0.3561
4 1342 1342/1342 1342 ± 0.00002679 4.718 4.374/4.954 4.738 ± 0.4192
5 1342 1342/1342 1342 ± 0.00002617 4.683 4.398/5.135 4.731 ± 0.3959
6 1342 1342/1342 1342 ± 0.00002617 4.636 4.259/4.977 4.611 ± 0.4041
7 1342 1342/1342 1342 ± 0.00002617 4.555 4.264/4.868 4.576 ± 0.3529
8 1342 1342/1342 1342 ± 0.00002617 4.484 4.17/4.748 4.479 ± 0.3762
9 1342 1342/1342 1342 ± 0.00002617 4.452 4.143/5.04 4.57 ± 0.485
10 1342 1342/1342 1342 ± 0.00002617 4.667 4.309/5.25 4.684 ± 0.6803
11 1342 1342/1342 1342 ± 0.00002617 4.718 4.255/5.302 4.74 ± 0.7601
12 1342 1342/1342 1342 ± 0.00002617 4.916 4.312/5.419 4.797 ± 0.8091
13 1342 1342/1342 1342 ± 0.00002617 5.129 4.384/5.599 4.985 ± 0.8513
14 1342 1342/1342 1342 ± 0.00002617 5.147 4.376/5.723 4.993 ± 0.8803
15 1342 1342/1342 1342 ± 0.00002617 4.934 4.13/5.418 4.697 ± 0.836
16 1342 1342/1342 1342 ± 0.00002624 4.423 3.801/4.656 4.283 ± 0.6858
17 1342 1342/1342 1342 ± 0.00002623 4.45 3.88/4.684 4.274 ± 0.6955
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
Start time
2024-03-29 06:48:07.726
End
2024-03-29 07:38:59.044
Duration
0:50:51.318
Note, WebLog generation is not included in the time.

CASA logs for stage 7