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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.27 5.207/6.028 5.533 ± 0.6622
ea02 1342 1342/1342 1342 ± 0.00003142 5.92 5.351/6.602 5.961 ± 0.8589
ea04 1342 1342/1342 1342 ± 0.00004051 5.245 4.975/5.935 5.302 ± 0.7517
ea05 1342 1342/1342 1342 ± 0.00001899 5.501 5.141/6.502 5.68 ± 0.8427
ea06 1342 1342/1342 1342 ± 0.00004272 4.812 4.657/5.264 4.739 ± 0.7704
ea07 1342 1342/1342 1342 ± 0.0000278 5.841 5.358/6.166 5.816 ± 0.7348
ea08 1342 1342/1342 1342 ± 0.00002849 6.127 5.589/6.861 6.251 ± 0.8787
ea09 1342 1342/1342 1342 ± 0.00003262 5.564 5.153/6.349 5.574 ± 0.8482
ea10 1342 1342/1342 1342 ± 0.00002861 5.68 5.105/6.314 5.666 ± 0.74
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003461 5.475 5.236/6.27 5.629 ± 0.8261
ea13 1342 1342/1342 1342 ± 0.00002659 5.845 5.651/6.336 5.934 ± 0.8325
ea14 1342 1342/1342 1342 ± 0.00002533 5.761 5.375/6.601 5.894 ± 0.9269
ea15 1342 1342/1342 1342 ± 0.00003554 5.434 5.096/6.201 5.503 ± 0.9092
ea16 1342 1342/1342 1342 ± 0.00002534 5.831 5.51/6.609 5.871 ± 0.9447
ea17 1342 1342/1342 1342 ± 0.00003416 5.94 5.409/6.719 6.005 ± 0.8378
ea18 1342 1342/1342 1342 ± 0.00003241 4.914 4.747/5.504 5.048 ± 0.6062
ea19 1342 1342/1342 1342 ± 0.00001419 5.725 5.484/6.741 5.951 ± 0.8802
ea20 1342 1342/1342 1342 ± 0.00003317 5.827 5.7/6.687 5.983 ± 0.8828
ea21 1342 1342/1342 1342 ± 0.00002276 5.623 5.358/6.357 5.709 ± 0.8476
ea22 1342 1342/1342 1342 ± 0.00003354 5.424 5.113/6.422 5.69 ± 0.8533
ea23 1342 1342/1342 1342 ± 0.00002712 5.831 5.423/6.571 5.958 ± 0.9163
ea25 1342 1342/1342 1342 ± 0.00003081 5.539 5.206/6.257 5.636 ± 0.7362
ea27 1342 1342/1342 1342 ± 0.00002919 5.493 5.164/6.333 5.622 ± 0.727
ea28 1342 1342/1342 1342 ± 0.00002993 5.623 5.389/6.527 5.923 ± 0.826
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 ± 0.0000249 5.385 5.156/5.578 5.341 ± 0.2591
5 1342 1342/1342 1342 ± 0.00002891 5.349 5.16/5.483 5.318 ± 0.295
6 1342 1342/1342 1342 ± 0.0000249 5.299 5.155/5.458 5.296 ± 0.2569
7 1342 1342/1342 1342 ± 0.0000249 5.319 5.118/5.443 5.307 ± 0.2289
8 1342 1342/1342 1342 ± 0.0000249 5.353 5.099/5.484 5.294 ± 0.2479
9 1342 1342/1342 1342 ± 0.0000249 5.624 5.428/5.827 5.587 ± 0.2992
10 1342 1342/1342 1342 ± 0.0000249 6.034 5.87/6.113 5.976 ± 0.299
11 1342 1342/1342 1342 ± 0.0000249 6.271 6.125/6.402 6.256 ± 0.2885
12 1342 1342/1342 1342 ± 0.0000249 6.439 6.3/6.598 6.429 ± 0.2972
13 1342 1342/1342 1342 ± 0.0000249 6.769 6.432/6.935 6.664 ± 0.3836
14 1342 1342/1342 1342 ± 0.0000274 6.696 6.188/7.008 6.591 ± 0.5095
15 1342 1342/1342 1342 ± 0.00002821 6.757 6.585/7.018 6.739 ± 0.3771
16 1342 1342/1342 1342 ± 0.00005255 3.663 3.52/3.857 3.701 ± 0.3571
17 1342 1342/1342 1342 ± 0.00005208 3.85 3.621/4.13 3.895 ± 0.3938
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2024-11-02 17:54:00.997
End
2024-11-02 19:00:47.048
Duration
1:06:46.051
Note, WebLog generation is not included in the time.

CASA logs for stage 8