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1 References  














Gliese 649 b






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Coordinates: Sky map16h58m09s, +25° 4439
 

From Wikipedia, the free encyclopedia
 


Gliese 649 b
Discovery
Discovered byJohnson et al.[1]
Discovery date2009-12-17

Detection method

Radial velocity
Orbital characteristics

Semi-major axis

1.135±0.035 AU
Eccentricity0.30±0.08

Orbital period (sidereal)

598.3±4.2 d

Time of periastron

12876±22

Argument of periastron

352±15
Semi-amplitude12.4±1.1
StarGliese 649

Gliese 649 b /ˈɡlzə/, 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

[edit]
  1. ^ a b 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. arXiv:0912.2730. Bibcode:2010PASP..122..149J. doi:10.1086/651007. S2CID 119254409.



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    Categories: 
    Exoplanets discovered in 2009
    Exoplanets detected by radial velocity
    Giant planets
    Hercules (constellation)
    Exoplanets in the Gliese Catalog
    Exoplanet stubs
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