From the Extrasolar Planets Encyclopaedia : http://exoplanet.eu 
Planet : Kepler-16 (AB) b
THE PLANET
Basic data : 
 
Name Kepler-16 (AB) b
Discovered in2011   
M.sin i0.333 (± 0.016) MJ ref.
Semi major axis0.7048 (± 0.001) AU ref.
Orbital period228.776 (−0.037+0.02days ref.
Eccentricity0.0069 (−0.0015+0.001  ref.
ω318 (−22+10deg. ref.
Ω0.003 (± 0.013) deg. ref.
Radius0.7538 (± 0.0025) RJ ref.
Ttransit2455212.12316  ref.
Inclination90.0322 (−0.0033+0.0022deg. ref.
Update15/09/11   
No molecule detected
 
Remarks : 
 13 Sep 2011: The planet Kepler-16 b was first suspected by Slawson et al. 2011.
 6 related publications :  (sort by author)  (sort by date)
THE STAR
Basic data :   
More data : 
  - Basic data (from Simbad)
- Most recent ref (from ADS)
 
Remarks : 
 Alias KIC 12644769
Alias 2MASS 19161817+5145267

13 Sep 2011: Kepler 16 is an eclisping binary star with a 41.0781 day period with two K or M components (Slawson et al. 2011).

The mass given to Kepler-16(AB) is the sum of the masses of components A and B.
The parameters for the individual components are (in solar units - Doyle et al. 2011):
Star A:
Mass: 0.6897 ± 0.0035
Radius: 0.6489 ± 0.0013
Temp.: 4450 ± 150 K
[Fe/H]: -0.3 ± 0.2
Star B:
Mass: 0.20255 ± 0.00065
Radius: 0.22623 ± 0.00059
Binary system:
Period: 41.079 ± 0.000078 day
Semi-maj. axis: 0.224 ± 0.00035 AU
Inclination: 90.3401 ± 0.0019 deg.
Ecc.: 0.15944 ± 0.0006

 
Name Kepler-16 (AB)
Spectral Type  
Apparent Magnitude V12   
Mass0.89225 Msun ref.
Effective Temperature4450 (± 150) K ref.
Radius~ 0.65 Rsun ref.
Metallicity [Fe/H]-0.3 (± 0.2)   ref.
Right Asc. Coord.19 16 18   
Decl. Coord.+51 45 27