Planet HD 22781 b

Name HD 22781 b
Planet Status Confirmed
Discovered in 2011
Mass 13.65 ( -0.97 +0.97 ) MJ
Mass*sin(i) 13.65 ( -0.97 +0.97 ) MJ
Semi-Major Axis 1.167 (± 0.039) AU
Orbital Period 528.07 (± 0.14) day
Eccentricity 0.8191 (± 0.0023)
ω 315.92 (± 0.56) deg
Tperi 2454881.4 (± 0.12) JD
Radius
Inclination
Update 2011-11-04
Detection Method Radial Velocity
Mass Detection Method
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 22781
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 5027.0 (± 50.0) K
Radius
Metallicity [Fe/H] -0.37 (± 0.12)
Detected Disc
Magnetic Field
RA2000 03:40:50.0
Dec2000 +31:49:35
Alternate Names
Planetary system 1 planet

More data


Related publications

The SOPHIE search for northern extrasolar planets IV. Massive companions in the planet-brown dwarf boundary
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
2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper  arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5