Planet HD 20794 d

Name HD 20794 d
Discovered in 2011
Mass 0.015 (± 0.0019) MJ
Semi-major axis 0.3499 (± 0.0059) AU
Orbital period 90.309 day
Eccentricity 0.0
ω
Tperi
Radius
Inclination
Update Aug. 3, 2012
Detection Method Radial Velocity
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit
Secondary transit
Anomaly angle
impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)
Alternate Names

Graphical Ephemeris (Beta Version)

Star

Name HD 20794
Distance 6.06 pc
Spectral type G8V
Apparent magnitude V 4.26
Mass 0.85 (± 0.04) MSun
Age 14.0 ( -5.0 +6.0 ) Gyr
Effective temperature 5490.0 (± 70.0) K
Radius 0.9 (± 0.03) RSun
Metallicity [Fe/H] -0.38 (± 0.06)
Detected Disc
Magnetic Field
RA2000 03:19:56.0
Dec2000 -43:04:11
Alternate Names
Planetary system 3 planets

More data


Related publications

Compact planetary systems perturbed by an inclined companion: II. Stellar spin-orbit evolution
2014 BOUE G. & FABRYCKY D.
ApJ, 789, 111
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

Characteristics of the closest known G-type exoplanet host 82 Eri
2012 BERNKOPF J., CHINI R., BUDA L.-S., DEMBKY T., DRASS H. & 2 additional authors
MNRAS, in press
paper  

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

The HARPS search for Earth-like planets in the habitable zone: I -- Very low-mass planets around HD20794, HD85512 and HD192310
2011 PEPE F., LOVIS Ch., SEGRANSAN D., BENZ W., BOUCHY F., DUMUSQUE X., MAYOR M., QUELOZ D., SANTOS N. & UDRY S.
Astron. & Astrophys., 534, A58
paper   arxiv