Planet Lalande 21185 b

Name Lalande 21185 b
Planet Status Confirmed
Discovered in 2017
Mass 0.012 MJ
Mass*sin(i) 0.012 MJ
Semi-Major Axis
Orbital Period 9.8693 (± 0.0016) JD
Eccentricity
ω
Tperi
Radius
Inclination
Update 2017-02-14
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 1.9 (± 0.31) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

Lalande 21185
Name Lalande 21185
Distance 2.55 (± 0.005) pc
Spectral type M1.5V
Apparent magnitude V
Mass 0.46 MSun
Age
Effective temperature 3828.0 K
Radius 0.393 RSun
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 11:03:20.0
Dec2000 +35:58:12
Alternate Names
Planetary system 1 planet

More data


Related publications

The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey
2017 BUTLER P., VOGT S., LAUGHLIN G., BURT J., RIVERA E. et al.
Astron. J., accepted
arxiv