gam Cep b
Orbiting gam Cep
gam Cep b is an exoplanet orbiting the star gam Cep, discovered in 2003 using the Radial Velocity method.
Mass
2097.67
Earth masses
Orbital Period
913.0
days
Distance
14.1
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
2097.67
Measured
Equilibrium Temperature
Unknown
Parameter source: Knudstrup et al. 2023
Orbital Period
913.000+3.000−3.000days
Planet Mass (Earth masses)
2097.67+731.01−889.92
Planet Mass (Jupiter masses)
6.6000+2.3000−2.8000
Eccentricity
0.1500+0.0700−0.0500
Argument of Periastron
49.0+6.0−7.0deg
Radial Velocity Semi-Amplitude
25.60+1.30−1.30m/s
Distance from Earth
14.1 pc (~46 ly)
Spectral Type
K1 III-IV
Temperature
4775 K
Mass (Solar)
1.27 M☉
Radius (Solar)
4.74 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
354.8358°, 77.6331°
Discovery Method
Radial Velocity
Discovery Year
2003
Source ID: gam Cep b
gam Cep b orbits gam Cep and was reported in 2003 and was detected with the Radial Velocity method.
Published measurements list a mass of 2,097.67 Earth masses and an orbital period of 913 days.
Catalog data places the system at about 14.1 parsecs from Earth, a host star classified as K1 III-IV, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open gam Cep