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 2022-11-09 BMIH 49 in 4.46 hrs 2105

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

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=1.61 +/- 0.012,u1=-2.796 +/- 0.049,u2=3.435 +/- 0.065,u3=-1.249 +/- 0.028

Results

Tc=2459892.6736 +/- 0.0018,Rp/R*=0.155 +/- 0.0085,a/R*=6.98 +/- 0.41,Am1=1.1514 +/- 0.0063,Am2=-0.129 +/- 0.033