Planet GJ 317 c

Name GJ 317 c
Discovered in 2007
Mass 2.0 (± 0.0) MJ
Semi-major axis 30.0 (± 10.0) AU
Orbital period > 10000.0 day
Eccentricity 0.81
ω 210.0 deg
Tperi
Radius
Inclination
Update Nov. 14, 2011
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

Planet to be confirmed by additional RV measurements (Johnson et al. 2007)

Star

Name GJ 317
Distance 15.1 (± 0.22) pc
Spectral type M3.5
Apparent magnitude V 12.0
Mass 0.42 (± 0.05) MSun
Age
Effective temperature 3510.0 (± 50.0) K
Radius
Metallicity [Fe/H] 0.36 (± 0.2)
Detected Disc
Magnetic Field
RA2000 08:40:59.0
Dec2000 -23:27:23
Alternate Names
Planetary system 2 planets

More data


Related publications

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Astrobiology, 12, 361
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Content
Content and Chapter 5

Astrometry and radial velocities of the planet host M dwarf GJ 317: new trigonometric distance, metallicity and upper limit to the mass of GJ 317b
2011 ANGLADA-ESCUDE G., BOSS A., WEINBERGER A., THOMPSON I., BUTLER P. & 2 additional authors
ApJ.
arxiv

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ApJ., 709, 168
paper

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web page

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Astron. & Astrophys.
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MNRAS, 406, 1918
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ApJ.
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