Planet Lalande 21185 b
| Name | Lalande 21185 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2017 | ||
| Mass | 0.012 MJ | ||
| Mass*sin(i) | 0.012 MJ | ||
| Semi-Major Axis | — | ||
| Orbital Period | 9.8693 (± 0.0016) day |  |
|
| Eccentricity | — | ||
| ω | — | ||
| Tperi | — | ||
| Radius | — | ||
| Inclination | — | ||
| Update | 2017-02-14 | ||
| 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 | 1.9 (± 0.31) m/s | ||
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
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 | |||
| Planetary system | 1 planet |
Related publications
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
