Ring galaxies in the EAGLE hydrodynamical simulations
- Autores
- Elagali, Ahmed; Lagos Urbina, Claudia del Pilar; IvyWong, O.; Staveley-Smith, Lister; Trayford, James W.; Schaller, Matthieu; Yuan, Tiantian; Abadi, Mario Gabriel
- Año de publicación
- 2018
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We study the formation and evolution of ring galaxies in the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulations. We use the largest reference model Ref-L100N1504, a cubic cosmological volume of 100 cMpc on a side, to identify and characterize these systems through cosmic time. The number density of ring galaxies in EAGLE is in broad agreement with the observations. The vast majority of ring galaxies identified in EAGLE (83 per cent) have an interaction origin, i.e. form when one or more companion galaxies drop-through a disc galaxy. The remainder (17 per cent) have very long-lived ring morphologies (> 2Gyr) and host strong bars. Ring galaxies are HI-rich galaxies, yet display inefficient star formation activity and tend to reside in the green valley particularly at z ≳ 0.5. This inefficiency is mainly due to the low pressure and metallicity of their interstellar medium (ISM) compared with the ISM of similar star-forming galaxies.We find that the interaction(s) is responsible for decreasing the ISM pressure by causing the ISM gas to flow from the inner regions to the outer disc, where the ring feature forms. At a fixed radius, the star formation efficiency of ring galaxies is indistinguishable from their star-forming counterparts, and thus themain reason for their integrated lower efficiency is the different gas surface density profiles. Since galaxy morphologies are not used to tune the parameters in hydrodynamical simulations, the experiment performed here demonstrates the success of the current numerical models in EAGLE.
Fil: Elagali, Ahmed. University of Western Australia; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia
Fil: Lagos Urbina, Claudia del Pilar. University of Western Australia; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia
Fil: IvyWong, O.. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia. University of Western Australia; Australia
Fil: Staveley-Smith, Lister. University of Western Australia; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia
Fil: Trayford, James W.. University of Durham; Reino Unido. Leiden Observatory Research Institute; Países Bajos
Fil: Schaller, Matthieu. Leiden Observatory Research Institute; Países Bajos. University of Durham; Reino Unido
Fil: Yuan, Tiantian. Swinburne University Of Technology; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia
Fil: Abadi, Mario Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Astronomía Teórica y Experimental. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Instituto de Astronomía Teórica y Experimental; Argentina - Materia
-
COSMOLOGY: THEORY
GALAXIES: FORMATION
GALAXIES: HALOES
GALAXIES: STATISTICS
GALAXIES: STRUCTURE
METHODS: NUMERICAL - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/87047
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Ring galaxies in the EAGLE hydrodynamical simulationsElagali, AhmedLagos Urbina, Claudia del PilarIvyWong, O.Staveley-Smith, ListerTrayford, James W.Schaller, MatthieuYuan, TiantianAbadi, Mario GabrielCOSMOLOGY: THEORYGALAXIES: FORMATIONGALAXIES: HALOESGALAXIES: STATISTICSGALAXIES: STRUCTUREMETHODS: NUMERICALhttps://purl.org/becyt/ford/1.7https://purl.org/becyt/ford/1We study the formation and evolution of ring galaxies in the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulations. We use the largest reference model Ref-L100N1504, a cubic cosmological volume of 100 cMpc on a side, to identify and characterize these systems through cosmic time. The number density of ring galaxies in EAGLE is in broad agreement with the observations. The vast majority of ring galaxies identified in EAGLE (83 per cent) have an interaction origin, i.e. form when one or more companion galaxies drop-through a disc galaxy. The remainder (17 per cent) have very long-lived ring morphologies (> 2Gyr) and host strong bars. Ring galaxies are HI-rich galaxies, yet display inefficient star formation activity and tend to reside in the green valley particularly at z ≳ 0.5. This inefficiency is mainly due to the low pressure and metallicity of their interstellar medium (ISM) compared with the ISM of similar star-forming galaxies.We find that the interaction(s) is responsible for decreasing the ISM pressure by causing the ISM gas to flow from the inner regions to the outer disc, where the ring feature forms. At a fixed radius, the star formation efficiency of ring galaxies is indistinguishable from their star-forming counterparts, and thus themain reason for their integrated lower efficiency is the different gas surface density profiles. Since galaxy morphologies are not used to tune the parameters in hydrodynamical simulations, the experiment performed here demonstrates the success of the current numerical models in EAGLE.Fil: Elagali, Ahmed. University of Western Australia; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); AustraliaFil: Lagos Urbina, Claudia del Pilar. University of Western Australia; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); AustraliaFil: IvyWong, O.. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia. University of Western Australia; AustraliaFil: Staveley-Smith, Lister. University of Western Australia; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); AustraliaFil: Trayford, James W.. University of Durham; Reino Unido. Leiden Observatory Research Institute; Países BajosFil: Schaller, Matthieu. Leiden Observatory Research Institute; Países Bajos. University of Durham; Reino UnidoFil: Yuan, Tiantian. Swinburne University Of Technology; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); AustraliaFil: Abadi, Mario Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Astronomía Teórica y Experimental. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Instituto de Astronomía Teórica y Experimental; ArgentinaWiley Blackwell Publishing, Inc2018-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/87047Elagali, Ahmed; Lagos Urbina, Claudia del Pilar; IvyWong, O.; Staveley-Smith, Lister; Trayford, James W.; et al.; Ring galaxies in the EAGLE hydrodynamical simulations; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 481; 3; 12-2018; 2951-29690035-87111365-2966CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/sty2462info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article-abstract/481/3/2951/5094609?redirectedFrom=fulltextinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:05:08Zoai:ri.conicet.gov.ar:11336/87047instacron: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:34982025-09-29 10:05:08.473CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Ring galaxies in the EAGLE hydrodynamical simulations |
title |
Ring galaxies in the EAGLE hydrodynamical simulations |
spellingShingle |
Ring galaxies in the EAGLE hydrodynamical simulations Elagali, Ahmed COSMOLOGY: THEORY GALAXIES: FORMATION GALAXIES: HALOES GALAXIES: STATISTICS GALAXIES: STRUCTURE METHODS: NUMERICAL |
title_short |
Ring galaxies in the EAGLE hydrodynamical simulations |
title_full |
Ring galaxies in the EAGLE hydrodynamical simulations |
title_fullStr |
Ring galaxies in the EAGLE hydrodynamical simulations |
title_full_unstemmed |
Ring galaxies in the EAGLE hydrodynamical simulations |
title_sort |
Ring galaxies in the EAGLE hydrodynamical simulations |
dc.creator.none.fl_str_mv |
Elagali, Ahmed Lagos Urbina, Claudia del Pilar IvyWong, O. Staveley-Smith, Lister Trayford, James W. Schaller, Matthieu Yuan, Tiantian Abadi, Mario Gabriel |
author |
Elagali, Ahmed |
author_facet |
Elagali, Ahmed Lagos Urbina, Claudia del Pilar IvyWong, O. Staveley-Smith, Lister Trayford, James W. Schaller, Matthieu Yuan, Tiantian Abadi, Mario Gabriel |
author_role |
author |
author2 |
Lagos Urbina, Claudia del Pilar IvyWong, O. Staveley-Smith, Lister Trayford, James W. Schaller, Matthieu Yuan, Tiantian Abadi, Mario Gabriel |
author2_role |
author author author author author author author |
dc.subject.none.fl_str_mv |
COSMOLOGY: THEORY GALAXIES: FORMATION GALAXIES: HALOES GALAXIES: STATISTICS GALAXIES: STRUCTURE METHODS: NUMERICAL |
topic |
COSMOLOGY: THEORY GALAXIES: FORMATION GALAXIES: HALOES GALAXIES: STATISTICS GALAXIES: STRUCTURE METHODS: NUMERICAL |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.7 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
We study the formation and evolution of ring galaxies in the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulations. We use the largest reference model Ref-L100N1504, a cubic cosmological volume of 100 cMpc on a side, to identify and characterize these systems through cosmic time. The number density of ring galaxies in EAGLE is in broad agreement with the observations. The vast majority of ring galaxies identified in EAGLE (83 per cent) have an interaction origin, i.e. form when one or more companion galaxies drop-through a disc galaxy. The remainder (17 per cent) have very long-lived ring morphologies (> 2Gyr) and host strong bars. Ring galaxies are HI-rich galaxies, yet display inefficient star formation activity and tend to reside in the green valley particularly at z ≳ 0.5. This inefficiency is mainly due to the low pressure and metallicity of their interstellar medium (ISM) compared with the ISM of similar star-forming galaxies.We find that the interaction(s) is responsible for decreasing the ISM pressure by causing the ISM gas to flow from the inner regions to the outer disc, where the ring feature forms. At a fixed radius, the star formation efficiency of ring galaxies is indistinguishable from their star-forming counterparts, and thus themain reason for their integrated lower efficiency is the different gas surface density profiles. Since galaxy morphologies are not used to tune the parameters in hydrodynamical simulations, the experiment performed here demonstrates the success of the current numerical models in EAGLE. Fil: Elagali, Ahmed. University of Western Australia; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia Fil: Lagos Urbina, Claudia del Pilar. University of Western Australia; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia Fil: IvyWong, O.. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia. University of Western Australia; Australia Fil: Staveley-Smith, Lister. University of Western Australia; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia Fil: Trayford, James W.. University of Durham; Reino Unido. Leiden Observatory Research Institute; Países Bajos Fil: Schaller, Matthieu. Leiden Observatory Research Institute; Países Bajos. University of Durham; Reino Unido Fil: Yuan, Tiantian. Swinburne University Of Technology; Australia. Arc Centre Of Excellence For All Sky Astrophysics In 3 Dimensions (astro 3d); Australia Fil: Abadi, Mario Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Astronomía Teórica y Experimental. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Instituto de Astronomía Teórica y Experimental; Argentina |
description |
We study the formation and evolution of ring galaxies in the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulations. We use the largest reference model Ref-L100N1504, a cubic cosmological volume of 100 cMpc on a side, to identify and characterize these systems through cosmic time. The number density of ring galaxies in EAGLE is in broad agreement with the observations. The vast majority of ring galaxies identified in EAGLE (83 per cent) have an interaction origin, i.e. form when one or more companion galaxies drop-through a disc galaxy. The remainder (17 per cent) have very long-lived ring morphologies (> 2Gyr) and host strong bars. Ring galaxies are HI-rich galaxies, yet display inefficient star formation activity and tend to reside in the green valley particularly at z ≳ 0.5. This inefficiency is mainly due to the low pressure and metallicity of their interstellar medium (ISM) compared with the ISM of similar star-forming galaxies.We find that the interaction(s) is responsible for decreasing the ISM pressure by causing the ISM gas to flow from the inner regions to the outer disc, where the ring feature forms. At a fixed radius, the star formation efficiency of ring galaxies is indistinguishable from their star-forming counterparts, and thus themain reason for their integrated lower efficiency is the different gas surface density profiles. Since galaxy morphologies are not used to tune the parameters in hydrodynamical simulations, the experiment performed here demonstrates the success of the current numerical models in EAGLE. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-12 |
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/11336/87047 Elagali, Ahmed; Lagos Urbina, Claudia del Pilar; IvyWong, O.; Staveley-Smith, Lister; Trayford, James W.; et al.; Ring galaxies in the EAGLE hydrodynamical simulations; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 481; 3; 12-2018; 2951-2969 0035-8711 1365-2966 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/87047 |
identifier_str_mv |
Elagali, Ahmed; Lagos Urbina, Claudia del Pilar; IvyWong, O.; Staveley-Smith, Lister; Trayford, James W.; et al.; Ring galaxies in the EAGLE hydrodynamical simulations; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 481; 3; 12-2018; 2951-2969 0035-8711 1365-2966 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/sty2462 info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article-abstract/481/3/2951/5094609?redirectedFrom=fulltext |
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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1844613883769126912 |
score |
13.070432 |