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 |
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
