AAVSO: American Association of Variable Star Observers

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Star Exoplanet Observation Date Primary Observer Measurements reference
Details HAT-P-9 HAT-P-9 b 2022-11-26 LPAC 58 in 4.85 hrs 2548

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

Priors

Period=3.9228108 +/- 9e-07,Rp/R*=0.10696 +/- 0.00086,a/R*=8.73 +/- 0.57,inc=86.44 +/- 0.36,ecc=0.084,u0=2.859 +/- 0.027,u1=-5.16 +/- 0.11,u2=5.05 +/- 0.13,u3=-1.748 +/- 0.055

Results

Tc=2459909.8464 +/- 0.004,Rp/R*=0.1268 +/- 0.0057,a/R*=8.26 +/- 0.51,Am1=0.9795 +/- 0.0048,Am2=0.0116 +/- 0.0029