Planet Lalande 21185 b

Name Lalande 21185 b
Planet Status Confirmed
Discovered in 2017
Mass
Mass*sin(i) 0.0091 ( -0.0047 +0.0057 ) MJ
Semi-Major Axis 0.068 (± 0.007) AU +
Orbital Period 9.8684 ( -0.0064 +0.0049 ) day +
Eccentricity 0.22 (± 0.13) +
ω
Tperi
Radius
Inclination
Update 2019-06-14
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 1.59 (± 0.82) m/s +
Calculated temperature 349.8 (± 32.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names 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

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