Planet HD 40307 g

Name HD 40307 g
Discovered in 2012
M × sin i 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)
ω 91.2 deg
Tperi
Radius
Inclination
Update
Detection method detected by radial velocity
Molecules detected
Primary transit
Secondary transit
Anomaly angle
Time Vr=0
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)

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)
RA2000 05:54:04.0
Dec2000 -60:01:24
Planetary system 6 planets

More data


Related publications

Cosmological aspects of planetary habitability
April 3, 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
March 26, 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
Dec. 5, 2013 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
March 25, 2014 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
Dec. 18, 2012 TUOMI M., ANGLADA-ESCUDE G., GERLACH E., JONES H., REINERS A. & 3 additional authors
Astron. & Astrophys., 459, A48
paper  arxiv