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Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818

dc.contributor.authorJohnson, Rachel A.pt_BR
dc.contributor.authorBeaulieu, Sylvie F.pt_BR
dc.contributor.authorGilmore, Gerard Fitzgeraldpt_BR
dc.contributor.authorHurley, Jarrodpt_BR
dc.contributor.authorSantiago, Basilio Xavierpt_BR
dc.contributor.authorTanvir, Nial R.pt_BR
dc.contributor.authorElson, Rebecca A.W.pt_BR
dc.date.accessioned2014-03-29T01:51:41Zpt_BR
dc.date.issued2001pt_BR
dc.identifier.issn0035-8711pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/89972pt_BR
dc.description.abstractWe present colour-magnitude diagrams for two rich (~~104 M̛) Large Magellanic Cloud star clusters with ages ~~ 107 yr, constructed from optical and near-infrared data obtained with the Hubble Space Telescope. These data are part of an HST project to study LMC clusters with a range of ages. In this paper we investigate the massive star content of the young clusters, and determine the cluster ages and metallicities, paying particular attention to Be-star and blue-straggler populations and evidence of age spreads. We compare our data with detailed stellar-population simulations to investigate the turn-off structure of ~~ 25 Myr stellar systems, highlighting the complexity of the blue-straggler phenomenon.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofMonthly notices of the Royal Astronomical Society. Oxford. Vol. 324, no. 2 (June 2001), p. 367-380pt_BR
dc.rightsOpen Accessen
dc.subjectAglomerados estelarespt_BR
dc.subjectBlue stragglersen
dc.subjectStars: emission-line, been
dc.subjectGrande Nuvem de Magalhãespt_BR
dc.subjectMagellanic cloudsen
dc.subjectGalaxies: star clusters.en
dc.titleYoung star clusters in the Large Magellanic Cloud : NGC 1805 and 1818pt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000292183pt_BR
dc.type.originEstrangeiropt_BR


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