Planet 2M 0746+20 b
| Name | 2M 0746+20 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2010 | ||
| Mass | 12.21 (± 0.4) MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 2.897 ( -0.005 +0.005 ) AU | |
|
| Orbital Period | 4640.0 (± 25.0) day | |
|
| Eccentricity | 0.487 (± 0.003) | |
|
| ω | 354.4 (± 0.9) deg | |
|
| Tperi | — | ||
| Radius | 0.97 ( -0.06 +0.06 ) RJ | |
|
| Inclination | 138.2 (± 0.5) deg | |
|
| Update | 2018-10-04 | ||
| Detection Method | Imaging | ||
| Mass Detection Method | — | ||
| Radius Detection Method | — | ||
| Primary transit | — | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | — | ||
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
2M 0746+20| Name | 2M 0746+20 | ||
| Distance | 12.21 (± 0.05) pc | |
|
| Spectral type | L0 | ||
| Apparent magnitude V | — | ||
| Mass | 0.08 (± 0.002) MSun | |
|
| Age | — | ||
| Effective temperature | 2205.0 (± 50.0) K | |
|
| Radius | 0.089 (± 0.003) RSun | |
|
| Metallicity [Fe/H] | — | ||
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 07:46:43.0 | ||
| Dec2000 | +20:00:32 | ||
| Alternate Names | |||
| Planetary system | 1 planet |
Observability Predictor 
Remarks
Harris et al. (2014) : the spectral type of 2M0746+20 b is L1.5Related publications
Astrometric Orbits and Masses for Three Low-Mass Binaries
2014
Harris, H., Dahn, C., & Dupuy, T.
Cool Stars 18
article
High-precision Dynamical Masses of Very Low Mass Binaries
2011
KONOPACKY Q., GHEZ A., BARMAN T., RICE E., BAILEY J. & 4 additional authors
ApJ., 711, 1087
paper
The Exoplanet Handbook
2011
Michael Perryman
Content
Content and Chapter 5
