Planet Lalande 21185 c

Name Lalande 21185 c
Planet Status Confirmed
Discovered in 2021
Mass
Mass*sin(i) 0.057 ( -0.0082 +0.0091 ) MJ
Semi-Major Axis 3.1 ( -0.11 +0.13 ) AU
Orbital Period 3190.0 ( -170.0 +200.0 ) day
Eccentricity 0.14 ( -0.095 +0.16 )
ω 6.0 ( -74.0 +63.0 ) deg
Tperi
Radius
Inclination
Update 2021-05-28
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
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HD 95735 c, GJ 411 c

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

The California Legacy Survey I. A Catalog of 177 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
2021 ROSENTHAL L., FULTON B., HIRSCH L., ISAACSON H., HOWARD A. et al.
ApJ Suppl., accepted
arxiv

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 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