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 JJJA 183 in 4.40 hrs 3330

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

SERC

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=2.215 +/- 0.019,u1=-3.884 +/- 0.075,u2=4.12 +/- 0.098,u3=-1.45 +/- 0.041

Results

Tc=2459892.6779 +/- 0.0013,Rp/R*=0.157 +/- 0.0056,a/R*=8.15 +/- 0.29,Am1=0.947 +/- 0.011,Am2=0.0523 +/- 0.0097