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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.416 5.285/6.159 5.705 ± 0.5763
ea02 1342 1342/1342 1342 ± 0.00004272 5.983 5.586/6.577 6.147 ± 0.6241
ea03 1342 1342/1342 1342 ± 0 5.578 4.88/6.089 5.519 ± 0.6527
ea04 1342 1342/1342 1342 ± 0 5.609 5.276/6.139 5.738 ± 0.5489
ea05 1342 1342/1342 1342 ± 0 5.978 5.402/6.696 6.004 ± 0.6859
ea06 1342 1342/1342 1342 ± 0 4.899 4.72/5.463 5.077 ± 0.4239
ea07 1342 1342/1342 1342 ± 0 5.813 5.513/6.323 5.994 ± 0.6668
ea08 1342 1342/1342 1342 ± 0.00003071 6.075 5.584/6.646 6.195 ± 0.6461
ea09 1342 1342/1342 1342 ± 0.000007913 5.925 5.3/6.569 5.97 ± 0.6303
ea10 1342 1342/1342 1342 ± 0 5.937 5.407/6.719 6.019 ± 0.7122
ea11 1342 1342/1342 1342 ± 0.00002176 5.659 5.211/6.567 5.85 ± 0.7895
ea12 1342 1342/1342 1342 ± 0 5.585 5.379/6.476 5.899 ± 0.6569
ea13 1342 1342/1342 1342 ± 0 6.367 5.827/6.464 6.245 ± 0.508
ea15 1342 1342/1342 1342 ± 0 6.112 5.525/6.599 6.115 ± 0.6805
ea16 1342 1342/1342 1342 ± 0 6.074 5.723/6.857 6.316 ± 0.7563
ea17 1342 1342/1342 1342 ± 0.00001469 6.08 5.788/6.815 6.365 ± 0.7033
ea18 1342 1342/1342 1342 ± 0 4.865 4.625/5.507 5.077 ± 0.5029
ea19 1342 1342/1342 1342 ± 0 6.134 5.478/6.657 6.108 ± 0.6306
ea20 1342 1342/1342 1342 ± 0 5.769 5.46/6.598 6.013 ± 0.6693
ea21 1342 1342/1342 1342 ± 0 5.753 5.457/6.509 6.001 ± 0.6248
ea22 1342 1342/1342 1342 ± 0.00002773 5.706 5.067/6.214 5.681 ± 0.5929
ea23 1342 1342/1342 1342 ± 0 5.752 5.518/6.63 6.094 ± 0.7081
ea24 1342 1342/1342 1342 ± 0.00003543 5.986 5.521/6.69 6.104 ± 0.5919
ea25 1342 1342/1342 1342 ± 0.00001424 5.448 5.305/6.215 5.784 ± 0.6314
ea26 1342 1342/1342 1342 ± 0 6.431 5.886/7.08 6.448 ± 0.6675
ea27 1342 1342/1342 1342 ± 0.000008963 5.638 5.394/6.48 5.86 ± 0.598
ea28 1342 1342/1342 1342 ± 0.00001655 5.538 5.306/6.275 5.821 ± 0.5797
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 ± 0.00002306 5.463 5.235/5.558 5.371 ± 0.2755
4 1342 1342/1342 1342 ± 0.00003526 5.026 4.804/5.275 5.066 ± 0.321
5 1342 1342/1342 1342 ± 0.00002306 5.389 5.214/5.544 5.372 ± 0.3221
6 1342 1342/1342 1342 ± 0.00002306 5.41 5.221/5.564 5.347 ± 0.3003
7 1342 1342/1342 1342 ± 0.00002306 5.423 5.309/5.577 5.407 ± 0.2791
8 1342 1342/1342 1342 ± 0.00002306 5.374 5.211/5.542 5.355 ± 0.3205
9 1342 1342/1342 1342 ± 0.00002306 5.75 5.419/5.979 5.681 ± 0.3515
10 1342 1342/1342 1342 ± 0.00002306 6.183 5.93/6.352 6.112 ± 0.3423
11 1342 1342/1342 1342 ± 0.00002306 6.422 6.212/6.596 6.347 ± 0.3533
12 1342 1342/1342 1342 ± 0.00002306 6.547 6.331/6.708 6.498 ± 0.387
13 1342 1342/1342 1342 ± 0.00002306 7.039 6.797/7.115 6.938 ± 0.4191
14 1342 1342/1342 1342 ± 0.00002306 7.209 6.959/7.393 7.113 ± 0.4448
15 1342 1342/1342 1342 ± 0.00002674 6.503 6.193/6.791 6.449 ± 0.4625
16 1342 1342/1342 1342 ± 0.00003984 5.675 5.379/5.984 5.629 ± 0.4764
17 1342 1342/1342 1342 ± 0.00003873 5.845 5.602/6.183 5.784 ± 0.4863
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-12 10:10:40.674
End
2025-01-12 11:12:45.434
Duration
1:02:04.760
Note, WebLog generation is not included in the time.

CASA logs for stage 8