Planet HIP 57274 d

Name HIP 57274 d
Planet Status Confirmed
Discovered in 2011
Mass 0.527 ( -0.025 +0.025 ) MJ
Mass*sin(i) 0.527 ( -0.025 +0.025 ) MJ
Semi-Major Axis 1.01 AU
Orbital Period 431.7 (± 8.5) day
Eccentricity 0.27 (± 0.05)
ω 187.2 (± 0.5) deg
Tperi
Radius
Inclination
Update 2013-05-20
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

HIP 57274
Name HIP 57274
Distance 25.92 pc
Spectral type K5V
Apparent magnitude V 8.96
Mass 0.73 (± 0.05) MSun
Age 7.87 (± 5.0) Gyr
Effective temperature 4640.0 (± 100.0) K
Radius 0.68 (± 0.03) RSun
Metallicity [Fe/H] 0.09 (± 0.05)
Detected Disc
Magnetic Field
RA2000 11:44:41.0
Dec2000 +30:57:33
Alternate Names
Planetary system
3 planets

Related publications

Super Earths and Dynamical Stability of Planetary Systems: First Parallel GPU Simulations Using GENGA
2013 ELSER S., GRIMM S. & STADEL J.
MNRAS, accepted
paper  

M2K: II. A Triple-Planet System Orbiting HIP 57274
2012 FISCHER D., GAIDOS E., HOWARD A., GIGUERE M., JOHNSON J. & 12 additional authors
ApJ., 745, 21
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