Planet Lalande 21185 b

Detailed information about planet Lalande 21185 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Lalande 21185 b

Planet Status

Confirmed

Discovered in

2017

Publication Status

Published in a refereed paper

Update

2024-07-29

Mass

—

Mass*sin(i)

0.00846 (\pm 0.00079)

M_J 4 publications

The Detectability of Nightside City Lights on Exoplanets
Confirmation of the Long-Period Planet Orbiting Gliese 411 and the Detection of a New Planet Candidate
The CARMENES search for exoplanets around M dwarfs. Three temperate to warm super-Earths
Frequency of planets orbiting M dwarfs in the Solar neighbourhood

Semi-Major Axis

0.0788 (\pm 0.00056)

AU 4 publications

The Detectability of Nightside City Lights on Exoplanets
The CARMENES search for exoplanets around M dwarfs. Three temperate to warm super-Earths
The SOPHIE search for northern extrasolar planets. XIV. A temperate (Teq∼300 K) super-earth around the nearby star Gliese 411
Frequency of planets orbiting M dwarfs in the Solar neighbourhood

Orbital Period

12.94 (\pm 0.0014)

day 5 publications

The Detectability of Nightside City Lights on Exoplanets
The CARMENES search for exoplanets around M dwarfs. Three temperate to warm super-Earths
The SOPHIE search for northern extrasolar planets. XIV. A temperate (Teq∼300 K) super-earth around the nearby star Gliese 411
Frequency of planets orbiting M dwarfs in the Solar neighbourhood
The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey

Eccentricity

0.063 (\begin{matrix} + 0.061 \\ - 0.043 \end{matrix})

4 publications

The Detectability of Nightside City Lights on Exoplanets
The CARMENES search for exoplanets around M dwarfs. Three temperate to warm super-Earths
The SOPHIE search for northern extrasolar planets. XIV. A temperate (Teq∼300 K) super-earth around the nearby star Gliese 411
Frequency of planets orbiting M dwarfs in the Solar neighbourhood

Angular distance

—

ω

330.0 (\begin{matrix} + 180.0 \\ - 120.0 \end{matrix})

deg 2 publications

The Detectability of Nightside City Lights on Exoplanets
The CARMENES search for exoplanets around M dwarfs. Three temperate to warm super-Earths

T_peri

2458622.23 (\pm 0.048)

JD 1 publication

The CARMENES search for exoplanets around M dwarfs. Three temperate to warm super-Earths

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

Radial Velocity

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

1.38 (\pm 0.093)

m/s 5 publications

The Detectability of Nightside City Lights on Exoplanets
The CARMENES search for exoplanets around M dwarfs. Three temperate to warm super-Earths
Frequency of planets orbiting M dwarfs in the Solar neighbourhood
The SOPHIE search for northern extrasolar planets. XIV. A temperate (Teq∼300 K) super-earth around the nearby star Gliese 411
The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey

Calculated temperature

370.1 (\begin{matrix} + 5.8 \\ - 6.8 \end{matrix})

K 2 publications

The CARMENES search for exoplanets around M dwarfs. Three temperate to warm super-Earths
The SOPHIE search for northern extrasolar planets. XIV. A temperate (Teq∼300 K) super-earth around the nearby star Gliese 411

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

Gl 411 b, GJ 411 b, HD 95735

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

Lalande 21185

Distance

2.55 (\pm 0.005)

pc 1 publication

The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey

Spectral type

M1.5V

Apparent magnitude V

—

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.46 M_Sun 1 publication

The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey

Age

—

Effective temperature

3828.0 K 1 publication

The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey

Radius

0.393 R_Sun 1 publication

The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey

Metallicity [Fe/H]

—

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

11:03:20.0

Dec₂₀₀₀

+35:58:12.0

Alternate Names

Gl 411

No remarks

No link

Simbad
Most recent references (ADS)

Planet Lalande 21185 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet Lalande 21185 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

These alien planets are astronomers’ favourites: here’s why

The CARMENES search for exoplanets around M dwarfs. Guaranteed time observations Data Release 1 (2016-2020)

The Detectability of Nightside City Lights on Exoplanets

Confirmation of the Long-Period Planet Orbiting Gliese 411 and the Detection of a New Planet Candidate

Galactic cosmic ray propagation through M dwarf planetary systems

GTC/CanariCam deep mid-infrared imaging survey of northern stars within 5 pc

The CARMENES search for exoplanets around M dwarfs. Three temperate to warm super-Earths

Thermal and orbital evolution of low-mass exoplanets

The SOPHIE search for northern extrasolar planets. XIV. A temperate (Teq∼300 K) super-earth around the nearby star Gliese 411

Frequency of planets orbiting M dwarfs in the Solar neighbourhood

The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey