From the Extrasolar Planets Encyclopaedia : http://exoplanet.eu 
Star : GJ 674
THE STAR
Basic data :   
More data : 
  - Basic data (from Simbad)
- Most recent ref (from ADS)
 
Name GJ 674
Distance4.54 (± 0.03) pc ref.
Spectral TypeM2.5   
Apparent Magnitude V9.38   
Mass0.35 Msun ref.
Age0.55 (± 0.45) Gyr ref.
Effective Temperature3600 (± 100) K ref.
Metallicity [Fe/H]-0.28   ref.
Right Asc. Coord.17 28 40  
Decl. Coord.-46 53 43  

PLANET
Basic data : 
 
NameGJ 674 b
Discovered in2007   
Mass0.037 MJ ref.
Semi major axis0.039 AU ref.
Orbital period4.6938 (± 0.007) days ref.
Eccentricity0.2 (± 0.02)   ref.
ω143 (± 6) deg. ref.
Tperi2453780.085 (± 0.078)   ref.
Update25/04/07   

Molecules detected : 
 
NameGJ 674 b
MoleculesNone

GJ 674 Other web pages : 
  Geneva Observatory data
 14 related publications :  (sort by author)  (sort by date)