AAVSO: American Association of Variable Star Observers

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Star Exoplanet Observation Date Primary Observer Measurements reference
Details WASP-138 WASP-138 b 2020-09-22 SGEO 197 in 3.93 hrs 1946

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

Priors

Period=3.6344412 +/- 2.3e-06,a/R*=7.4 +/- 0.2,inc=88.5 +/- 1.04,ecc=0.0,u0=2.562 +/- 0.024,u1=-4.607 +/- 0.095,u2=4.72 +/- 0.12,u3=-1.674 +/- 0.05

Results

Tc=2459114.7532 +/- 0.0023,Rp/R*=0.1054 +/- 0.0081,a/R*=9.51 +/- 0.51,Am1=1.0101 +/- 0.0085,Am2=-0.0002 +/- 0.0051