Planet GJ 15A b

Name GJ 15A b
Planet Status Confirmed
Discovered in 2014
Mass
Mass*sin(i) 0.00953 ( -0.00138 +0.00145 ) MJ +
Semi-Major Axis 0.072 (± 0.004) AU +
Orbital Period 11.4407 (± 0.0016) day +
Eccentricity 0.094 ( -0.065 +0.091 )
ω 60.0 ( --20.0 +110.0 ) deg
Tperi 2456995.86 JD +
Radius
Inclination
Update 2020-03-29
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 1.68 (± 0.18) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HD 1326A b

Star

GJ 15A
Name GJ 15A
Distance 3.587 pc
Spectral type M2V
Apparent magnitude V 8.08
Mass 0.375 MSun
Age
Effective temperature 3567.0 K
Radius 0.3863 RSun
Metallicity [Fe/H] -0.32
Detected Disc
Magnetic Field
RA2000 00:18:22.9
Dec2000 +44:01:23
Alternate Names HD 1326A, HIP 1475, GX Andromedae, Groombridge 34, M2
Planetary system 1 planet

More data


Related publications

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The HADES RV Programme with HARPS-N@TNG VIII. Gl15A: A multiple wide planetary system sculpted by binary interaction
2018 PINAMONTI M., DAMASSO M., MARZARI F., SOZZETTI A., MALDONADO J. et al.
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2018 TRIFONOV T., KURSTER M., ZECHMEISTER M., TAL-OR L., CABALLERO J. et al.
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The NASA-UC-UH Eta-Earth Program: IV. A Low-mass Planet Orbiting an M Dwarf 3.6 PC from Earth
2014 HOWARD, A., MARCY, G., FISCHER, D., ISAACSON, H., MUIRHEAD, P. & 6 additional authors
ApJ, accepted
arxiv