Planet HD 22781 b

Name HD 22781 b
Discovered in 2011
M × sin i 13.65 ± 0.97 MJ
Semi-major axis 1.167 ± 0.039 AU
Orbital period 528.07 ± 0.14 days
Eccentricity 0.8191 ± 0.0023
ω -44.08 ± 0.56
Tperi 2.45488e+06 ± 0.12
Radius
Inclination
Update Nov. 4, 2011
Detection method detected by radial velocity
Molecules detected

Star

Name HD 22781
Distance 31.79 pc
Spectral type K0V
Apparent magnitude V 8.77
Mass 0.75 ± 0.03 MSun
Age 4.75 ± 4.15 Gyr
Effective temperature 5027 ± 50 K
Radius RSun
Metallicity [Fe/H] -0.37 ± 0.12
RA2000 03:40:50.0
Dec2000 +31:49:35
Planetary system 1 planet

More data


Related publications

The SOPHIE search for northern extrasolar planets? IV. Massive companions in the planet-brown dwarf boundary
Feb. 11, 2012 DIAZ R., SANTERNE A., SAHLMANN J., HEBRARD G., EGGENBERGER A. & 18 additional authors
Astron. & Astrophys., 538, A113
paper   arxiv

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
Feb. 10, 2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS
arxiv

The Exoplanet Handbook
May 22, 2012 Michael Perryman
Content
Content and Chapter 5