TrES-4 b
Description: TrES-4b is an exoplanet, one of the largest exoplanets ever found. It was discovered in 2006, and announced in 2007, by the Trans-Atlantic Exoplanet Survey, using the transit method. It is approximately 1,400 light-years (430 pc) away orbiting the star GSC 02620-00648, in the constellation Hercules.
Physical Properties
Mass (Jupiter mass): 0.78 MJ
Radius (Jupiter radius): 1.61 RJ
Density: 0.099 g/cm³
Equilibrium Temperature: 1778.0 K
Orbital Parameters
Orbital Period: 3.55395 days
Semi-major Axis: 0.05084 AU
Eccentricity: Unknown
Inclination: 82.81°
Host Star Properties
Host Star: TrES-4
Spectral Type: F8 V
Temperature: 6200.0 K
Stellar Mass: 1.08 M☉
Stellar Radius: 1.66 R☉
Discovery Information
Planet Letter: b
Object ID: 3.11432
Host ID: 2.103411
Discovery Date: 2007-10
Discovery Year: 2007
Discovery Method: Transit
Discovery Locale: Ground
Discovery Facility: TrES
Discovery Instrument: 2K CCD Sensor