Planet KELT-2A b

Name KELT-2A b
Discovered in 2012
M × sin i 1.486 (± 0.088) MJ
Semi-major axis 0.05498 (± 0.0004) AU
Orbital period 4.1137914 (± 1e-05) day
Eccentricity 0.185 (± 0.08)
ω 160.0 (± 110.0) deg
Tperi 2455974.83 (± 1.2) JD
Radius 1.306 ( -0.067 +0.067 ) RJ
Inclination
Update June 11, 2012
Detection method detected by transit
Molecules detected
Primary transit 2455974.60356 (± 0.00084) JD
Secondary transit
Anomaly angle
Time Vr=0
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)

Star

Name KELT-2A
Distance 128.9 ( -8.8 +8.8 ) pc
Spectral type F7V
Apparent magnitude V 8.7
Mass 1.31 (± 0.03) MSun
Age
Effective temperature 6148.0 (± 49.0) K
Radius 1.842 ( -0.071 +0.071 ) RSun
Metallicity [Fe/H] -0.015 (± 0.071)
RA2000 06:10:39.0
Dec2000 +30:57:26
Planetary system 1 planet

Remarks

Alias HD 42176
Member of a 2 arcsec wide binary star system.

More data


Related publications

KELT-2Ab: A Hot Jupiter Transiting the Bright (V=8.77) Primary Star of a Binary System
June 11, 2012 BEATTY Th., PEPPER J., SIVERD R., EASTMAN J., BIERYLA A. & 26 additional authors
ApJ. Letters
arxiv