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
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Observability Predictor

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 IR Excess
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
2015 GILLILAND R., CARTIER K., ADAMS E., CIARDI D., KALAS P. et al.
Astron. J., 149, 24
paper  arxiv  

Gravitational quantization of exoplanet orbits in HD 40307, $μ$ Ara, Kepler-26, Kepler-62, and Kepler-275: Comparing predicted orbits
2015 GEROYANNIS V.
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
2014 BRASSER R., IDA S. & KOKUBO E.
MNRAS, accepted
arxiv 

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

Correlations between the stellar, planetary and debris components of exoplanet systems observed by Herschel
2014 MARSHALL J., MORO-MARTIN A., EIROA C., KENNEDY G., MORA A. et al.
Astron. & Astrophys., 565, A15
arxiv   paper   paper  

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  

The HARPS search for southern extra-solar planets. XIII. A planetary system with 3 Super-Earths (4.2, 6.9, & 9.2 Earth masses)
2009 MAYOR M., UDRY S., LOVIS C., PEPE F., QUELOZ D., BENZ W., BERTAUX J.-L., BOUCHY F., MORDASINI C. & SEGRANSAN D.
Astron. & Astrophys., 493, 639
paper