The HARPS search for southern extra-solar planets: XVIII. An Earth-mass planet in the GJ 581 planetary system

Astronomy and Astrophysics

Volumn 507, Issue 1, 2009, Pages 487-494

  Mayor, M ^a   Bonfils, X ^b,c   Forveille, T ^b   Delfosse, X ^b   Udry, S ^a   Bertaux, J L ^d   Beust, H ^b   Bouchy, F ^e   Lovis, C ^a   Pepe, F ^a   Perrier, C ^b   Queloz, D ^a   Santos, N C ^a,f  

^a UNIVERSITÉ DE GENÈVE   (Switzerland)

^b UNIV GRENOBLE ALPES   (France)

^c Centro de Astronomia e Astrofisica da Universidade de Lisboa   (Portugal)

^d CNRS   (France)

^e INSTITUT D'ASTROPHYSIQUE DE PARIS   (France)

^f CENTRO DE ASTROFÍSICA   (Portugal)

Author keywords

Planetary systems; Stars: individual: GJ 581; Stars: late type; Techniques: radial velocities

Indexed keywords

EARTH (PLANET); EXTRASOLAR PLANETS; GIANT STARS; PLANETS; STABILITY; STARS;

DYNAMICAL STABILITY; ORBITAL PERIODS; ORBITAL PLANES; PLANETARY SYSTEM; SEMIMAJOR AXIS; STARS: INDIVIDUAL; STARS:LATE TYPE; TECHNIQUES: RADIAL VELOCITIES;

ORBITS;

EID: 70449642640     PISSN: 00046361     EISSN: 14320746     Source Type: Journal    
DOI: 10.1051/0004-6361/200912172     Document Type: Article

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