The closest extrasolar planet: A giant planet around the M4 dwarf Gl 876

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dc.creatorDelfosse, Xavier
dc.creatorForveille, Thierry
dc.creatorMayor, Michel
dc.creatorPerrier, Christian
dc.creatorNaef, Dominique
dc.creatorQueloz, Didier
dc.date1998-08-04
dc.date1998-08-18
dc.date.accessioned2026-07-07T02:27:33Z
dc.date.available2026-07-07T02:27:33Z
dc.descriptionHigh precision radial velocity observations of the nearby M4 dwarf Gl 876 with the Observatoire de Haute Provence 1.93 m telescope and the new 1.20 m swiss telescope at la Silla indicate the presence of a jovian mass companion to this star. The orbital fit to the data gives a period of 60.8 days, a velocity amplitude of 246 m/s and an eccentricity of 0.34. Assuming that Gl 876 has a mass of 0.3 solar masses, the mass function implies a mass for the companion of 2/sin(i) Jupiter masses.
dc.description4 pages LaTeX, Accepted for publication in A&A Letters. Some sections improved or clarified after referee's comments
dc.identifierhttps://arxiv.org/abs/astro-ph/9808026
dc.identifierhttp://arxiv.org/abs/astro-ph/9808026
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/12737
dc.subjectAstrophysics
dc.titleThe closest extrasolar planet: A giant planet around the M4 dwarf Gl 876
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