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 Gl 411 b, GJ 411 b, HD 95735

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
2 planets

More data


Related publications

Confirmation of the Long-Period Planet Orbiting Gliese 411 and the Detection of a New Planet Candidate
2021 HURT S., FULTON B., ISAACSON H., ROSENTHAL L., HOWARD A. et al.
Astron. J., submitted
arxiv  

The Detectability of Nightside City Lights on Exoplanets
2021 BEATTY Th.
MNRAS, submitted
arxiv

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

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., 643, A112
paper  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