Planet GJ 3138 d

Name GJ 3138 d
Planet Status Confirmed
Discovered in 2017
Mass 0.033 ( -0.0066 +0.0072 ) MJ
Mass*sin(i) 0.033 ( -0.0066 +0.0072 ) MJ
Semi-Major Axis 0.698 ( -0.019 +0.018 ) AU
Orbital Period 257.8 ( -3.5 +3.6 ) JD
Eccentricity 0.32 ( -0.21 +0.2 )
ω
Tperi
Radius
Inclination
Update 2017-03-21
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 1.47 ( -0.3 +0.35 ) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

GJ 3138
Name GJ 3138
Distance
Spectral type M0
Apparent magnitude V 10.98
Mass 0.681 MSun
Age
Effective temperature 3717.0 (± 49.0) K
Radius 0.5 (± 0.03) RSun
Metallicity [Fe/H] -0.3 (± 0.12)
Detected Disc
Magnetic Field
RA2000 02:09:10.9
Dec2000 -16:20:22
Alternate Names
Planetary system
3 planets

More data


Related publications

The HARPS search for southern extra-solar planets XLI. A dozen planets around the M dwarfs GJ 3138, GJ 3323, GJ 273, GJ 628, and GJ 3293
2017 ASTUDILLO-DEFRU N., FORVEILLE Th., BONFILS X., SEGRANSAN D., BOUCHY F. et al.
Astron. & Astrophys., accepted
arxiv