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The HARPS search for southern extrasolar planets. XXIII. 8 planetary companions to low-activity solar-type stars

In this paper, we present our HARPS radial-velocity data for eight low-activity solar-type stars belonging to the HARPS volume-limited sample: HD6718, HD8535, HD28254, HD290327, HD43197, HD44219, HD148156, and HD156411. Keplerian fits to these data reveal the presence of low-mass companions around these targets. With minimum masses ranging from 0.58 to 2.54 MJup, these companions are in the planetary mass domain. The orbital periods of these planets range from slightly less than one to almost seven years. The eight orbits presented in this paper exhibit a wide variety of eccentricities: from 0.08 to above 0.8.

preprint2010arXivOpen access
Dominique NaefMichel MayorGaspare Lo CurtoFrancois BouchyChristophe LovisClaire MoutouWilly BenzFrancesco PepeDidier QuelozNuno C. SantosDamien SegransanStephane UdryXavier BonfilsXavier DelfosseThierry ForveilleGuillaume HebrardChristoph MordasiniChristian PerrierIsabelle BoisseDanuta Sosnowska
astro-ph.EP
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Open access20 authors1 topic
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Dominique NaefMichel MayorGaspare Lo CurtoFrancois BouchyChristophe LovisClaire MoutouWilly BenzFrancesco PepeDidier QuelozNuno C. SantosDamien SegransanStephane UdryXavier BonfilsXavier DelfosseThierry ForveilleGuillaume HebrardChristoph MordasiniChristian PerrierIsabelle BoisseDanuta Sosnowska

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