Planet Lalande 21185 b

Name Lalande 21185 b
Planet Status Confirmed
Discovered in 2017
Mass
Mass*sin(i) 0.00846 (± 0.00079) MJ +
Semi-Major Axis 0.0789 ( -0.00077 +0.00068 ) AU +
Orbital Period 12.946 (± 0.0065) day +
Eccentricity 0.12 ( -0.09 +0.12 ) +
ω 140.7 ( -54.0 +27.0 ) deg
Tperi 2458622.23 (± 0.048) JD
Radius
Inclination
Update 2020-10-02
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 1.39 (± 0.14) m/s +
Calculated temperature 370.1 ( -6.8 +5.8 ) K +
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HD 95735, GJ 411 b, Gl 411 b

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 Gl 411
Planetary system 1 planet

More data


Related publications

The CARMENES search for exoplanets around M dwarfs. Three temperate to warm super-Earths
2020 STOCK S., NAGEL E., KEMMER J., PASSAGGER V., REFFERT S. et al.
Astron. & Astrophys., accepted
arxiv  

Thermal and orbital evolution of low-mass exoplanets
2020 WALTEROVA M. & BEHOUNKOVA M.
ApJ, accepted
arxiv  

Frequency of planets orbiting M dwarfs in the Solar neighbourhood
2019 TUOMI M., JONES H., ANGLADA-ESCUDE G., BUTLER P., ARRIAGADA P. et al.
ApJ. Suppl., submitted
arxiv  

The SOPHIE search for northern extrasolar planets. XIV. A temperate (Teq∼300 K) super-earth around the nearby star Gliese 411
2019 DIAZ R., DELFOSSE X., HOBSON M., BOISSE I., ASTUDILLO-DEFRU N. et al.
Astron. & Astrophys., 625, A17
paper  arxiv  

The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey
2017 BUTLER P., VOGT S., LAUGHLIN G., BURT J., RIVERA E. et al.
Astron. J., 153, 208
paper  arxiv