XO-4 b
Description: XO-4b is an extrasolar planet approximately 956 light years away in the constellation of Lynx. This planet was found by the transit method by McCullough in May 2008. The planet has mass 1.72 MJ and radius 1.34 RJ. This planet orbits very close to the F-type parent star, as it is typical for transiting planets, classing this planet as Hot Jupiter.
Physical Properties
Mass (Jupiter mass): 1.42 MJ
Radius (Jupiter radius): 1.25 RJ
Density: 0.83 g/cm³
Equilibrium Temperature: 1630.0 K
Orbital Parameters
Orbital Period: 4.12508 days
Semi-major Axis: 0.05524 AU
Eccentricity: Unknown
Inclination: 88.8°
Host Star Properties
Host Star: XO-4
Spectral Type: F5 V
Temperature: 6397.0 K
Stellar Mass: 1.1 M☉
Stellar Radius: 1.45 R☉
Discovery Information
Planet Letter: b
Object ID: 3.11483
Host ID: 2.103436
Discovery Date: 2010-11
Discovery Year: 2010
Discovery Method: Transit
Discovery Locale: Ground
Discovery Facility: Lowell Observatory
Discovery Instrument: PRISM CCD