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 2022-07-20 AJAG 51 in 2.71 hrs 2825

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=1.564 +/- 0.011,u1=-2.699 +/- 0.047,u2=3.362 +/- 0.063,u3=-1.226 +/- 0.027

Results

Tc=2459780.776 +/- 0.039,Rp/R*=0.161 +/- 0.054,a/R*=13.92 +/- 4.11,Am1=1.046 +/- 0.098,Am2=-0.018 +/- 0.022