Astronomy:Gliese 649 b
From HandWiki
| Discovery | |
|---|---|
| Discovered by | Johnson et al.[1] |
| Discovery date | 2009-12-17 |
| Radial velocity | |
| Orbital characteristics | |
| 1.135±0.035 AU | |
| Eccentricity | 0.30±0.08 |
| Orbital period | 598.3±4.2 d |
| astron|astron|helion}} | 12876±22 |
| 352±15 | |
| Semi-amplitude | 12.4±1.1 |
| Star | Gliese 649 |
Gliese 649 b /ˈɡliːzə/, or Gl 649 b is an extrasolar planet, orbiting the 10th magnitude M-type star Gliese 649, 10 parsecs from earth. This planet is a sub-Jupiter, massing 0.328 Jupiter mass and orbits at 1.135 AU.[1]
References
- ↑ 1.0 1.1 Johnson, John Asher et al. (2010). "The California Planet Survey II. A Saturn-Mass Planet Orbiting the M Dwarf Gl649". The Publications of the Astronomical Society of the Pacific 122 (888): 149–155. doi:10.1086/651007. Bibcode: 2010PASP..122..149J.
Coordinates: 
16h 58m 09s, +25° 44′ 39″
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