Planet Lalande 21185 b
| Name | Lalande 21185 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2017 | ||
| Mass | 0.00941 (± 0.00145) MJ |  |
|
| Mass*sin(i) | 0.00941 (± 0.00145) MJ | ||
| Semi-Major Axis | 0.0785 (± 0.0027) AU | |
|
| Orbital Period | 12.9532 (± 0.0079) day | |
+ |
| Eccentricity | 0.22 (± 0.13) | |
|
| ω | — | ||
| Tperi | — | ||
| Radius | — | ||
| Inclination | — | ||
| Update | 2019-02-21 | ||
| 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 (± 0.23) 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 |
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 |
Related publications
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
