Planet Kepler-4 b

Name Kepler-4 b
Discovered in 2010
Mass 0.0824340056005 (± 0.0128055878929) MJ
Semi-major axis 0.0456 (± 0.0009) AU
Orbital period 3.21346 (± 0.00022) day
Eccentricity 0.0
ω
Tperi
Radius 0.356856734511 (± 0.0187349785618) RJ
Inclination 89.76 ( -2.05 +2.05 ) deg;
Update Nov. 5, 2013
Detection Method Primary Transit
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit 2454956.6127 (± 0.0015) JD
Secondary transit
Anomaly angle
impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitute
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Observability Predictor

Star

Name Kepler-4
Distance 550.0 (± 80.0) pc
Spectral type G0
Apparent magnitude V 12.7
Mass 1.223 ( -0.091 +0.091 ) MSun
Age 4.5 (± 1.5) Gyr
Effective temperature 5857.0 (± 120.0) K
Radius 1.487 ( -0.084 +0.084 ) RSun
Metallicity [Fe/H] 0.17 (± 0.06)
Detected Disc
Magnetic Field
RA2000 19:02:28.0
Dec2000 +50:08:09
Alternate Names
Planetary system 1 planet

More data


Related publications

A comprehensive study of Kepler phase curves and secondary eclipses -- temperatures and albedos of confirmed Kepler giant planets
2014 ANGERHAUSEN, D. DELARME, E. & J. MORSE
ApJ, submitted
arxiv 

Understanding the Mass-Radius Relation for Sub-Neptunes: Radius as a Proxy for Composition
2013 LOPEZ E. & FORTNEY J.
ApJ, 792, 1
arxiv   paper  

Kepler-4b: Hot Neptune-Like Planet of a G0 Star Near Main-Sequence Turnoff
2010 BORUCKI W., KOCH D., BROWN T., BASRI G., BATALHA N., CALDWELL D., COCHRAN W., DUNHAM E., GAUTIER III Th., GEARY J., GILLILAND R., HOWELLS., JENKINS J., LATHAM D., LISSAUER J., MARCY G., MONET D., ROWE J. & SASSELOV D.
ApJ. Letters, 713, L126
paper