From the Extrasolar Planets Encyclopaedia : http://exoplanet.eu 
Planet : WASP-3 c
THE PLANET
Basic data : 
 
Name WASP-3 c
Discovered in2010   
M.sin i0.05 MJ ref.
Semi major axis0.051 AU ref.
Orbital period3.75 (± 0.03) days ref.
Update09/07/10   
No molecule detected
 
Remarks : 
  
8 Jun. 2010: The planet WASP-3c is inferred from the Transit Time Variations (TTVs) for planet WASP-3c (Maciejewski et al. 2010)
Other orbital solutions, less significant, are also found with orbital periods 3.03-3.05 days and 3.58-3.54 days respectively.
It needs to be confirmed by Radial Velocity measurements.
 2 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 USNO-B1.0 1256-0285133, GSC 02636-00195
 
Name WASP-3
Distance223 pc 
Spectral TypeF7V   
Apparent Magnitude V10.64   
Mass1.24 (−0.11+0.06Msun ref.
Effective Temperature6400 (± 100) K ref.
Radius1.31 (−0.12+0.06Rsun ref.
Metallicity [Fe/H]0 (± 0.2)   ref.
Right Asc. Coord.18 34 32   
Decl. Coord.+35 39 42