From the Extrasolar Planets Encyclopaedia : http://exoplanet.eu 
Star : gamma Cephei
THE STAR
- Basic data :   
- More data : 
  - Basic data (from Simbad)
- Most recent ref (from ADS)
 
- Remarks : 
 15 Nov. 06: Binary star companion at 1.467 arc sec; orbital period 67.5 ± 1.4 yr (Neuhäuser et al 2006)
 
Name gamma Cephei
Distance13.79 pc ref.
Spectral TypeK2 V   
Apparent Magnitude V3.22   
Mass1.4 (± 0.12) Msun ref.
Age6.6 Gyr ref.
Effective Temperature4800 (± 100) K ref.
Radius6.2 (± 2) Rsun ref.
Metallicity [Fe/H]0   
Right Asc. Coord.23 39 20  
Decl. Coord.+77 37 56  

PLANET
- Basic data : 
 
Namegamma Cephei b
Discovered in2003   
Mass1.6 (± 0.13) MJ ref.
Semi major axis2.044 (± 0.057) AU ref.
Orbital period902.9 (± 3.5) days ref.
Eccentricity0.115 (± 0.058)   ref.
ω75.6 (± 18.8) deg. 
Tmax VR53156.8 (± 52.4) JD 2.450.000 
Update15/11/06   

- Molecules detected : 
 
Namegamma Cephei b
MoleculesNone

- gamma Cephei Remarks : 
  27 September 02: The star is part of a binary system with period 70 yrs ± 16 yrs, with an eccentricity of 0.439 ± 0.06 (Cochran et al 2002).

- gamma Cephei Other web pages : 
 
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