Field color magnitude diagram analysis along the bulge major axis

Detalhes bibliográficos
Autor(a) principal: Ortolani, Sergio
Data de Publicação: 1993
Outros Autores: Bica, Eduardo Luiz Damiani, Barbuy, Beatriz
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRGS
Texto Completo: http://hdl.handle.net/10183/108721
Resumo: We analyze background fields along the bulge major axis away from the Galactic center by 2°.5, 13° and 31°. Our aim is to study the spatial distribution of different steiiar populations. A similar component of young disk main-sequence population is present in ali fields. The bulge component prevails in the innermost field, decreases for the 13° one, and is essentiaiiy absent in the 31° one. Evidence for a weak old metal-poor component is seen in the three fields. In the 13° field we detect a peculiar new feature which could be interpreted as an intermediate-age component, and traces of this population in the 2°.5 field are also found. This might be an old disk component.
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spelling Ortolani, SergioBica, Eduardo Luiz DamianiBarbuy, Beatriz2014-12-31T02:10:50Z19930004-637Xhttp://hdl.handle.net/10183/108721000056237We analyze background fields along the bulge major axis away from the Galactic center by 2°.5, 13° and 31°. Our aim is to study the spatial distribution of different steiiar populations. A similar component of young disk main-sequence population is present in ali fields. The bulge component prevails in the innermost field, decreases for the 13° one, and is essentiaiiy absent in the 31° one. Evidence for a weak old metal-poor component is seen in the three fields. In the 13° field we detect a peculiar new feature which could be interpreted as an intermediate-age component, and traces of this population in the 2°.5 field are also found. This might be an old disk component.application/pdfengThe astrophysical journal. Chicago. Vol. 408, no. 1, pt. 2 (May 1993), p. L29-L32Fotometria estelarGaláxiasObservações astronômicas no visívelGalaxy: stellar contentGalaxy: structureField color magnitude diagram analysis along the bulge major axisEstrangeiroinfo: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:UFRGSORIGINAL000056237.pdf000056237.pdfTexto completo (inglês)application/pdf104295http://www.lume.ufrgs.br/bitstream/10183/108721/1/000056237.pdfd52f7221fc02531b8d59c82b093c3b58MD51TEXT000056237.pdf.txt000056237.pdf.txtExtracted Texttext/plain88http://www.lume.ufrgs.br/bitstream/10183/108721/2/000056237.pdf.txtf5675a587595bbe052fc185711262595MD52THUMBNAIL000056237.pdf.jpg000056237.pdf.jpgGenerated Thumbnailimage/jpeg2112http://www.lume.ufrgs.br/bitstream/10183/108721/3/000056237.pdf.jpg4472c85f22d012b653755317f421118cMD5310183/1087212024-04-14 06:45:49.425866oai:www.lume.ufrgs.br:10183/108721Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2024-04-14T09:45:49Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false
dc.title.pt_BR.fl_str_mv Field color magnitude diagram analysis along the bulge major axis
title Field color magnitude diagram analysis along the bulge major axis
spellingShingle Field color magnitude diagram analysis along the bulge major axis
Ortolani, Sergio
Fotometria estelar
Galáxias
Observações astronômicas no visível
Galaxy: stellar content
Galaxy: structure
title_short Field color magnitude diagram analysis along the bulge major axis
title_full Field color magnitude diagram analysis along the bulge major axis
title_fullStr Field color magnitude diagram analysis along the bulge major axis
title_full_unstemmed Field color magnitude diagram analysis along the bulge major axis
title_sort Field color magnitude diagram analysis along the bulge major axis
author Ortolani, Sergio
author_facet Ortolani, Sergio
Bica, Eduardo Luiz Damiani
Barbuy, Beatriz
author_role author
author2 Bica, Eduardo Luiz Damiani
Barbuy, Beatriz
author2_role author
author
dc.contributor.author.fl_str_mv Ortolani, Sergio
Bica, Eduardo Luiz Damiani
Barbuy, Beatriz
dc.subject.por.fl_str_mv Fotometria estelar
Galáxias
Observações astronômicas no visível
topic Fotometria estelar
Galáxias
Observações astronômicas no visível
Galaxy: stellar content
Galaxy: structure
dc.subject.eng.fl_str_mv Galaxy: stellar content
Galaxy: structure
description We analyze background fields along the bulge major axis away from the Galactic center by 2°.5, 13° and 31°. Our aim is to study the spatial distribution of different steiiar populations. A similar component of young disk main-sequence population is present in ali fields. The bulge component prevails in the innermost field, decreases for the 13° one, and is essentiaiiy absent in the 31° one. Evidence for a weak old metal-poor component is seen in the three fields. In the 13° field we detect a peculiar new feature which could be interpreted as an intermediate-age component, and traces of this population in the 2°.5 field are also found. This might be an old disk component.
publishDate 1993
dc.date.issued.fl_str_mv 1993
dc.date.accessioned.fl_str_mv 2014-12-31T02:10:50Z
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/10183/108721
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dc.relation.ispartof.pt_BR.fl_str_mv The astrophysical journal. Chicago. Vol. 408, no. 1, pt. 2 (May 1993), p. L29-L32
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