AAVSO: American Association of Variable Star Observers

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Star Exoplanet Observation Date Primary Observer Measurements reference
Details Qatar-4 Qatar-4 b 2021-08-18 MNEC 43 in 2.44 hrs 2518

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=1.8053663 +/- 1.5e-06,Rp/R*=0.150997 +/- 3.7e-05,a/R*=7.11 +/- 0.48,inc=87.5 +/- 1.6,ecc=0.0,u0=1.563 +/- 0.011,u1=-2.696 +/- 0.047,u2=3.358 +/- 0.063,u3=-1.225 +/- 0.027

Results

Tc=2459444.991 +/- 0.034,Rp/R*=0.188 +/- 0.053,a/R*=12.73 +/- 4.18,Am1=1.14 +/- 0.16,Am2=-0.12 +/- 0.49