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dc.contributor.authorJenkins, J.S.
dc.contributor.authorJones, H.R.A.
dc.contributor.authorGozdziewski, K.
dc.contributor.authorMigaszewski, C.
dc.contributor.authorBarnes, J.R.
dc.contributor.authorJones, M.I.
dc.contributor.authorRojo, P.
dc.contributor.authorPinfield, D.J.
dc.contributor.authorDay-Jones, A.C.
dc.contributor.authorHoyer, S.
dc.date.accessioned2011-03-08T16:05:14Z
dc.date.available2011-03-08T16:05:14Z
dc.date.issued2009
dc.identifier.citationJenkins , J S , Jones , H R A , Gozdziewski , K , Migaszewski , C , Barnes , J R , Jones , M I , Rojo , P , Pinfield , D J , Day-Jones , A C & Hoyer , S 2009 , ' First results from the Calan–Hertfordshire Extrasolar Planet Search : exoplanets and the discovery of an eccentric brown dwarf in the desert ' , Monthly Notices of the Royal Astronomical Society , vol. 398 , no. 2 , pp. 911-917 . https://doi.org/10.1111/j.1365-2966.2009.15097.x
dc.identifier.issn0035-8711
dc.identifier.otherPURE: 159448
dc.identifier.otherPURE UUID: fe38278f-e7c2-4fab-b2b0-59449b608556
dc.identifier.otherdspace: 2299/5457
dc.identifier.otherScopus: 69549089830
dc.identifier.urihttp://hdl.handle.net/2299/5457
dc.descriptionThe original article can be found at: http://www3.interscience.wiley.com Copyright Royal Astronomical Society
dc.description.abstractWe report the discovery of a brown dwarf on an eccentric orbit and with a semimajor axis that places it in the brown dwarf desert region around the star HD 191760. The star has a spectral type of G3IV/V and a metallicity ([Fe/H]) of 0.29 dex. HD 191760 adds to the small number of metal-rich stars with brown dwarf companions. The brown dwarf (HD 191760b ) is found to have an orbital period of 505.57 ± 0.40 d and semimajor axis of 1.35 ± 0.01 au , placing it firmly in the brown dwarf desert. The eccentricity of HD 191760b is found to be 0.63 ± 0.01 , meaning it reaches as close as 0.5 au from the host star. Dynamical simulations indicate that no inner planets could reside at separations beyond ∼0.17 au due to the disastrous gravity imposed by HD 191760b . In addition to these first results, we also refine the orbits found for the exoplanets around the stars HD 48265, HD 143361 and HD 154672. All one-planet solutions are in agreement with those previously published by the Magellan Planet Search.en
dc.language.isoeng
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society
dc.rightsOpen
dc.subjectradial velocities
dc.titleFirst results from the Calan–Hertfordshire Extrasolar Planet Search : exoplanets and the discovery of an eccentric brown dwarf in the deserten
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.description.statusPeer reviewed
dc.relation.schoolSchool of Physics, Astronomy and Mathematics
dcterms.dateAccepted2009
rioxxterms.versionofrecordhttps://doi.org/10.1111/j.1365-2966.2009.15097.x
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue
herts.rights.accesstypeOpen


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