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

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

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  

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