Planet HD 20781 b

Name HD 20781 b
Planet Status Confirmed
Discovered in 2011
Mass 0.0379 ( -0.0035 +0.0035 ) MJ
Mass*sin(i) 0.0379 ( -0.0035 +0.0035 ) MJ
Semi-Major Axis 0.169 (± 0.0028) AU
Orbital Period 29.15 (± 0.0201) day
Eccentricity 0.11 (± 0.06)
ω
Tperi
Radius
Inclination
Update 2014-05-08
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 20781
Name HD 20781
Distance 35.4 (± 1.0) pc
Spectral type G9.5V
Apparent magnitude V 8.44
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 03:20:03.0
Dec2000 -28:47:02
Alternate Names
Planetary system
2 planets

Related publications

The Spitzer search for the transits of HARPS low-mass planets - II. Null results for 19 planets
2017 GILLON M., DEMORY B.-O., LOVIS Ch., EHRENREICH D., LO CURTO G. et al.
Astron. & Astrophy., 601, A117
paper  arxiv  ADS  

Dynamics of the 3/1 planetary mean-motion resonance. An application to the HD60532 b-c planetary system
2015 ALVES A., MICHTCHENKO T. & TADEU dos SANTOS
Cel.Mech. & Dyn. Astron., 124, 311
arxiv   paper   ADS  

Detailed Abundances of Planet-Hosting Wide Binaries. I. Did Planet Formation Imprint Chemical Signatures in the Atmospheres of HD 20782/81?
2014 MACK C., SCHULER S., STASSUN K., PEPPER J. & NORRIS J.
ApJ, 787, 98
paper  arxiv  

Resonant periodic orbits in the exoplanetary systems
2013 ANTONIADOU K. & VOYATZIS G.
Astrophys. & Spa. Sci., in press
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 HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets
2011 MAYOR M., MARMIER M., LOVIS Ch., UDRY S., SEGRANSAN D., PEPE F., BENZ W., BERTAUX J.-L., BOUCHY F., DUMUSQUE X., LOCURTO G., MORDASINI Ch., QUELOZ D. & SANTOS N.
Astron. & Astrophys.
arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5