Planet HD 40307 g

Name HD 40307 g
Discovered in 2012
Mass 0.0223 (± 0.0082) MJ
Semi-major axis 0.6 (± 0.034) AU
Orbital period 197.8 ( -5.7 +9.0 ) day
Eccentricity 0.29 ( -0.29 +0.31 )
ω 91.2 deg
Tperi
Radius
Inclination
Update May 21, 2014
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

Remarks

8 Nov 2012: The planet HD 40307 g deserves confirmation by new HARPS data

Star

Name HD 40307
Distance 12.8 (± 1.0) pc
Spectral type K2.5V
Apparent magnitude V 7.17
Mass 0.77 (± 0.05) MSun
Age
Effective temperature 4977.0 (± 59.0) K
Radius
Metallicity [Fe/H] -0.31 (± 0.03)
Detected Disc
Magnetic Field
RA2000 05:54:04.0
Dec2000 -60:01:24
Alternate Names
Planetary system 6 planets

More data


Related publications

Hubble Space Telescope High Resolution Imaging of Kepler Small and Cool Exoplanet Host Stars
2014 GILLILAND R., STAR K., ADAMS E., CIARDI D., KALAS P. et al.
Astron. J., submitted
arxiv  

Strong Dependence of the Inner Edge of the Habitable Zone on Planetary Rotation Rate
2014 YANG J., BOUE G., FABRYCKY D. & ABBOT D.
ApJ Letters, 787, L2
paper  arxiv  

Cosmological aspects of planetary habitability
2014 SHCHEKINOV Y., SAFONOVA M. & MURTHY J.
ApJ, submitted
arxiv  

A dynamical study on the habitability of terrestrial exoplanets II: The super Earth HD 40307 g
2014 BRASSER R., IDA S. & KOKUBO E.
MNRAS, accepted
arxiv 

Remote Life Detection Criteria, Habitable Zone Boundaries, and the Frequency of Earthlike Planets around M and Late-K Stars
2014 KASTING J., KOPPARAPU R., RAMIREZ R. & HARMAN Ch.
PNAS, in press
paper  arxiv  

A dynamical study on the habitability of terrestrial exoplanets II: The super Earth HD 40307 g
2013 Brasser, R., Ida, S. & Kokubo E.
MNRAS
arxiv  

Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307
2012 TUOMI M., ANGLADA-ESCUDE G., GERLACH E., JONES H., REINERS A. & 3 additional authors
Astron. & Astrophys., 459, A48
paper  arxiv