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

Detalhes bibliográficos
Autor(a) principal: Johnson, Rachel A.
Data de Publicação: 2001
Outros Autores: Beaulieu, Sylvie F., Gilmore, Gerard Fitzgerald, Hurley, Jarrod, Santiago, Basilio Xavier, Tanvir, Nial R., Elson, Rebecca A.W.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRGS
Texto Completo: http://hdl.handle.net/10183/89972
Resumo: We 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.
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spelling Johnson, Rachel A.Beaulieu, Sylvie F.Gilmore, Gerard FitzgeraldHurley, JarrodSantiago, Basilio XavierTanvir, Nial R.Elson, Rebecca A.W.2014-03-29T01:51:41Z20010035-8711http://hdl.handle.net/10183/89972000292183We 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.application/pdfengMonthly notices of the Royal Astronomical Society. Oxford. Vol. 324, no. 2 (June 2001), p. 367-380Aglomerados estelaresGrande Nuvem de MagalhãesBlue stragglersStars: emission-line, beMagellanic cloudsGalaxies: star clusters.Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818Estrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSORIGINAL000292183.pdf000292183.pdfTexto completo (inglês)application/pdf724492http://www.lume.ufrgs.br/bitstream/10183/89972/1/000292183.pdf3276939903a52563df2c57eed6eb61d0MD51TEXT000292183.pdf.txt000292183.pdf.txtExtracted Texttext/plain52880http://www.lume.ufrgs.br/bitstream/10183/89972/2/000292183.pdf.txt4e21be33477938f95a338ee7a6adbf56MD52THUMBNAIL000292183.pdf.jpg000292183.pdf.jpgGenerated Thumbnailimage/jpeg1919http://www.lume.ufrgs.br/bitstream/10183/89972/3/000292183.pdf.jpgc167ed3e2d7a4602434cf81c9f412482MD5310183/899722023-07-04 03:49:03.59993oai:www.lume.ufrgs.br:10183/89972Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2023-07-04T06:49:03Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false
dc.title.pt_BR.fl_str_mv Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818
title Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818
spellingShingle Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818
Johnson, Rachel A.
Aglomerados estelares
Grande Nuvem de Magalhães
Blue stragglers
Stars: emission-line, be
Magellanic clouds
Galaxies: star clusters.
title_short Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818
title_full Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818
title_fullStr Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818
title_full_unstemmed Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818
title_sort Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818
author Johnson, Rachel A.
author_facet Johnson, Rachel A.
Beaulieu, Sylvie F.
Gilmore, Gerard Fitzgerald
Hurley, Jarrod
Santiago, Basilio Xavier
Tanvir, Nial R.
Elson, Rebecca A.W.
author_role author
author2 Beaulieu, Sylvie F.
Gilmore, Gerard Fitzgerald
Hurley, Jarrod
Santiago, Basilio Xavier
Tanvir, Nial R.
Elson, Rebecca A.W.
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Johnson, Rachel A.
Beaulieu, Sylvie F.
Gilmore, Gerard Fitzgerald
Hurley, Jarrod
Santiago, Basilio Xavier
Tanvir, Nial R.
Elson, Rebecca A.W.
dc.subject.por.fl_str_mv Aglomerados estelares
Grande Nuvem de Magalhães
topic Aglomerados estelares
Grande Nuvem de Magalhães
Blue stragglers
Stars: emission-line, be
Magellanic clouds
Galaxies: star clusters.
dc.subject.eng.fl_str_mv Blue stragglers
Stars: emission-line, be
Magellanic clouds
Galaxies: star clusters.
description We 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.
publishDate 2001
dc.date.issued.fl_str_mv 2001
dc.date.accessioned.fl_str_mv 2014-03-29T01:51:41Z
dc.type.driver.fl_str_mv Estrangeiro
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/10183/89972
dc.identifier.issn.pt_BR.fl_str_mv 0035-8711
dc.identifier.nrb.pt_BR.fl_str_mv 000292183
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url http://hdl.handle.net/10183/89972
dc.language.iso.fl_str_mv eng
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dc.relation.ispartof.pt_BR.fl_str_mv Monthly notices of the Royal Astronomical Society. Oxford. Vol. 324, no. 2 (June 2001), p. 367-380
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