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 2018-09-29 SGGB 50 in 2.62 hrs 4272

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=1.8053663 +/- 1.5e-06,Rp/R*=0.1472 +/- 0.0011,a/R*=7.11 +/- 0.48,inc=87.5 +/- 1.6,ecc=0.0,u0=1.563 +/- 0.011,u1=-2.699 +/- 0.047,u2=3.363 +/- 0.063,u3=-1.227 +/- 0.027

Results

Tc=2458390.6163 +/- 0.0081,Rp/R*=0.184 +/- 0.027,a/R*=9.72 +/- 2.41,Am1=0.94 +/- 0.024,Am2=0.044 +/- 0.025