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A study of Kapteyns star

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Kotoneva, E; Innanen, K; Dawson, P C; Wood, Peter R; De Robertis, M M

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We present a review of the current knowledge of Kapteyn's Star (KS) - a nearby, low-metallicity M-dwarf, with an eccentric and retrograde Galactic orbit. A brief survey of its spectroscopic properties is provided, together with an analysis of its Galactic orbit in a Galaxy model that incorporates resonances. We propose that KS may have once belonged to a dwarf spheroidal galaxy that merged with the Galaxy, and whose present remnant, if it still exists, is a globular cluster similar to ω Cen.

dc.contributor.authorKotoneva, E
dc.contributor.authorInnanen, K
dc.contributor.authorDawson, P C
dc.contributor.authorWood, Peter R
dc.contributor.authorDe Robertis, M M
dc.date.accessioned2015-12-13T22:48:46Z
dc.date.available2015-12-13T22:48:46Z
dc.identifier.issn0004-6361
dc.identifier.urihttp://hdl.handle.net/1885/80215
dc.description.abstractWe present a review of the current knowledge of Kapteyn's Star (KS) - a nearby, low-metallicity M-dwarf, with an eccentric and retrograde Galactic orbit. A brief survey of its spectroscopic properties is provided, together with an analysis of its Galactic orbit in a Galaxy model that incorporates resonances. We propose that KS may have once belonged to a dwarf spheroidal galaxy that merged with the Galaxy, and whose present remnant, if it still exists, is a globular cluster similar to ω Cen.
dc.publisherSpringer
dc.sourceAstronomy and Astrophysics
dc.subjectKeywords: Galaxy models; Kapteyn's star; Stars: general; Stars: late-type; Galaxies; Infrared radiation; Light absorption; Mathematical models; Orbits; Oscillations; Perturbation techniques; Resonance; Rotation; Spectrometers; Spectroscopic analysis; Titanium oxide Stars: general; Stars: late-type
dc.titleA study of Kapteyns star
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume438
dc.date.issued2005
local.identifier.absfor020110 - Stellar Astronomy and Planetary Systems
local.identifier.ariespublicationMigratedxPub8507
local.type.statusPublished Version
local.contributor.affiliationKotoneva, E, Tuorla Observatory
local.contributor.affiliationInnanen, K, York University
local.contributor.affiliationDawson, P C, Trent University
local.contributor.affiliationWood, Peter R, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationDe Robertis, M M, York University
local.bibliographicCitation.startpage957
local.bibliographicCitation.lastpage962
local.identifier.doi10.1051/0004-6361:20042287
dc.date.updated2015-12-11T10:30:29Z
local.identifier.scopusID2-s2.0-23744464764
CollectionsANU Research Publications

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