From the Extrasolar Planets Encyclopaedia : http://exoplanet.eu 
Planet : Kepler-4 b
THE PLANET
Basic data : 
 
Name Kepler-4 b
Discovered in2010   
M.sin i0.077 (± 0.012) MJ ref.
Semi major axis0.0456 (± 0.0009) AU ref.
Orbital period3.21346 (± 0.00022) days ref.
Eccentricity  ref.
Radius0.357 (± 0.019) RJ ref.
Ttransit2454956.6127 (± 0.0015)  ref.
Inclination89.76 (−2.05+0.24deg. ref.
Update06/01/10   
No molecule detected
 
 6 related publications :  (sort by author)  (sort by date)
THE STAR
Basic data :   
More data : 
  - Basic data (from Simbad)
- Most recent ref (from ADS)
 
Name Kepler-4
Distance550 (± 80) pc ref.
Spectral TypeG0   
Apparent Magnitude V12.7   
Mass1.223 (−0.091+0.053Msun ref.
Age4.5 (± 1.5) Gyr ref.
Effective Temperature5857 (± 120) K ref.
Radius1.487 (−0.084+0.071Rsun ref.
Metallicity [Fe/H]0.17 (± 0.06)   ref.
Right Asc. Coord.19 02 28   
Decl. Coord.+50 08 09