Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm

Autores
Lagos Urbina, Claudia del Pilar; Padilla, Nelson David; Cora, Sofia Alejandra
Año de publicación
2009
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We study the properties of building blocks (BBs; i.e. accreted satellites) and surviving satellites of present-day galaxies using the semi-analytic model of galaxy formation SAG (‘semi-analytic galaxies’) in the context of a concordance cold dark matter (CDM) cosmology. We consider large number of dark matter (DM) halo merger trees spanning a wide range of masses (∼1 × 1010–2.14 × 1015 M). We find higher metallicities for BBs with respect to surviving satellites, an effect produced by the same processes behind the build up of the mass–metallicity relation. We prove that these metallicity differences arise from the higher peak height in the density fluctuation field occupied by BBs and central galaxies which have collapsed into a single object earlier than surviving satellites. BBs start to form stars earlier, during the peak of the merger activity in CDM, and build up half of their final stellar mass (measured at the moment of disruption) up to four times faster than surviving satellites. Surviving satellites keep increasing their stellar masses rather quiescently down to z 1. The difference between the metallicities of satellites, BBs and central galaxies depends on the host DM halo mass, in a way that can be used as a further test for the concordance cosmology
Fil: Lagos Urbina, Claudia del Pilar. Pontificia Universidad Católica de Chile; Chile
Fil: Padilla, Nelson David. Pontificia Universidad Católica de Chile; Chile
Fil: Cora, Sofia Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
Materia
Formation of galaxies
Galaxies
Evolution of galaxies
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/42810
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigmLagos Urbina, Claudia del PilarPadilla, Nelson DavidCora, Sofia AlejandraFormation of galaxiesGalaxiesEvolution of galaxieshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We study the properties of building blocks (BBs; i.e. accreted satellites) and surviving satellites of present-day galaxies using the semi-analytic model of galaxy formation SAG (‘semi-analytic galaxies’) in the context of a concordance cold dark matter (CDM) cosmology. We consider large number of dark matter (DM) halo merger trees spanning a wide range of masses (∼1 × 1010–2.14 × 1015 M). We find higher metallicities for BBs with respect to surviving satellites, an effect produced by the same processes behind the build up of the mass–metallicity relation. We prove that these metallicity differences arise from the higher peak height in the density fluctuation field occupied by BBs and central galaxies which have collapsed into a single object earlier than surviving satellites. BBs start to form stars earlier, during the peak of the merger activity in CDM, and build up half of their final stellar mass (measured at the moment of disruption) up to four times faster than surviving satellites. Surviving satellites keep increasing their stellar masses rather quiescently down to z 1. The difference between the metallicities of satellites, BBs and central galaxies depends on the host DM halo mass, in a way that can be used as a further test for the concordance cosmologyFil: Lagos Urbina, Claudia del Pilar. Pontificia Universidad Católica de Chile; ChileFil: Padilla, Nelson David. Pontificia Universidad Católica de Chile; ChileFil: Cora, Sofia Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; ArgentinaWiley Blackwell Publishing, Inc2009-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/42810Lagos Urbina, Claudia del Pilar; Padilla, Nelson David; Cora, Sofia Alejandra; Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 397; 12-2009; 31-350035-8711CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1111/j.1745-3933.2009.00678.xinfo:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnrasl/article/397/1/L31/1063559info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T15:35:15Zoai:ri.conicet.gov.ar:11336/42810instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 15:35:15.615CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm
title Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm
spellingShingle Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm
Lagos Urbina, Claudia del Pilar
Formation of galaxies
Galaxies
Evolution of galaxies
title_short Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm
title_full Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm
title_fullStr Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm
title_full_unstemmed Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm
title_sort Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm
dc.creator.none.fl_str_mv Lagos Urbina, Claudia del Pilar
Padilla, Nelson David
Cora, Sofia Alejandra
author Lagos Urbina, Claudia del Pilar
author_facet Lagos Urbina, Claudia del Pilar
Padilla, Nelson David
Cora, Sofia Alejandra
author_role author
author2 Padilla, Nelson David
Cora, Sofia Alejandra
author2_role author
author
dc.subject.none.fl_str_mv Formation of galaxies
Galaxies
Evolution of galaxies
topic Formation of galaxies
Galaxies
Evolution of galaxies
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We study the properties of building blocks (BBs; i.e. accreted satellites) and surviving satellites of present-day galaxies using the semi-analytic model of galaxy formation SAG (‘semi-analytic galaxies’) in the context of a concordance cold dark matter (CDM) cosmology. We consider large number of dark matter (DM) halo merger trees spanning a wide range of masses (∼1 × 1010–2.14 × 1015 M). We find higher metallicities for BBs with respect to surviving satellites, an effect produced by the same processes behind the build up of the mass–metallicity relation. We prove that these metallicity differences arise from the higher peak height in the density fluctuation field occupied by BBs and central galaxies which have collapsed into a single object earlier than surviving satellites. BBs start to form stars earlier, during the peak of the merger activity in CDM, and build up half of their final stellar mass (measured at the moment of disruption) up to four times faster than surviving satellites. Surviving satellites keep increasing their stellar masses rather quiescently down to z 1. The difference between the metallicities of satellites, BBs and central galaxies depends on the host DM halo mass, in a way that can be used as a further test for the concordance cosmology
Fil: Lagos Urbina, Claudia del Pilar. Pontificia Universidad Católica de Chile; Chile
Fil: Padilla, Nelson David. Pontificia Universidad Católica de Chile; Chile
Fil: Cora, Sofia Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
description We study the properties of building blocks (BBs; i.e. accreted satellites) and surviving satellites of present-day galaxies using the semi-analytic model of galaxy formation SAG (‘semi-analytic galaxies’) in the context of a concordance cold dark matter (CDM) cosmology. We consider large number of dark matter (DM) halo merger trees spanning a wide range of masses (∼1 × 1010–2.14 × 1015 M). We find higher metallicities for BBs with respect to surviving satellites, an effect produced by the same processes behind the build up of the mass–metallicity relation. We prove that these metallicity differences arise from the higher peak height in the density fluctuation field occupied by BBs and central galaxies which have collapsed into a single object earlier than surviving satellites. BBs start to form stars earlier, during the peak of the merger activity in CDM, and build up half of their final stellar mass (measured at the moment of disruption) up to four times faster than surviving satellites. Surviving satellites keep increasing their stellar masses rather quiescently down to z 1. The difference between the metallicities of satellites, BBs and central galaxies depends on the host DM halo mass, in a way that can be used as a further test for the concordance cosmology
publishDate 2009
dc.date.none.fl_str_mv 2009-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/42810
Lagos Urbina, Claudia del Pilar; Padilla, Nelson David; Cora, Sofia Alejandra; Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 397; 12-2009; 31-35
0035-8711
CONICET Digital
CONICET
url http://hdl.handle.net/11336/42810
identifier_str_mv Lagos Urbina, Claudia del Pilar; Padilla, Nelson David; Cora, Sofia Alejandra; Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 397; 12-2009; 31-35
0035-8711
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1111/j.1745-3933.2009.00678.x
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnrasl/article/397/1/L31/1063559
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.22299

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