Planet HD 40307 g

Name HD 40307 g
Planet Status Confirmed
Discovered in 2012
Mass
Mass*sin(i) 0.0223 ( -0.0082 +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 2014-05-21
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 40307
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

Observability Predictor

Remarks

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

Related publications

Searching for the nature of stars with debris disks and planets
2023 de la REZA R., CHAVERO C., ROCA-FABREGA S., LLORENTE de ANDRES F., CRUZ P. & CIFUENTES C.
Astron. & Astrophys., submitted
arxiv  

Continuous Habitable Zones: Using Bayesian Methods to Prioritize Characterization of Potentially Habitable Worlds
2022 WARE A., YOUNG P., TRUITT A. & SPACEK A.
ApJ, 929, 143
paper   arxiv

Habitability of exoplanet waterworlds
2018 KITE E. & FORD E.
ApJ, 864, 75
arxiv   paper  

The HARPS search for southern extra-solar planets. XXXVIII. Bayesian re-analysis of three systems. New super-Earths, unconfirmed signals, and magnetic cycles
2016 DIAZ R., SEGRANSAN D., UDRY S., LOVIS C., PEPE F. et al.
Astron. & Astrophys., 585, A134
paper   arxiv   ADS

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  

Global warming as a detectable thermodynamic marker of Earth-like extrasolar civilizations: the case for a telescope like Colossus
2015 KUHN J. & BERDYGINA S.
Int. J. Astrobiol., 14, 401
paper  ADS

Gravitational quantization of exoplanet orbits in HD 40307, $μ$ Ara, Kepler-26, Kepler-62, and Kepler-275: Comparing predicted orbits
2015 GEROYANNIS V.
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, 440, 3685
paper   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  

Remote Life Detection Criteria, Habitable Zone Boundaries, and the Frequency of Earthlike Planets around M and Late-K Stars
2013 KASTING J., KOPPARAPU R., RAMIREZ R. & HARMAN Ch.
PNAS, 111, 12641
paper  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