Imprints of galaxy evolution on H II regions memory of the past uncovered by the CALIFA survey
Context. H II regions in galaxies are the sites of star formation, so they are special places for understanding the build-up of stellar mass in the universe. The line ratios of this ionized gas are frequently used to characterize the ionization conditions. In particular, the oxygen abundances are as...
| Autores: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2015 |
| País: | España |
| Institución: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/386135 |
| Acceso en línea: | http://hdl.handle.net/10261/386135 |
| Access Level: | acceso abierto |
| Palabra clave: | Galaxies: abundances Galaxies: star formation Galaxies: evolution Galaxies: ISM |
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Imprints of galaxy evolution on H II regions memory of the past uncovered by the CALIFA survey |
| title |
Imprints of galaxy evolution on H II regions memory of the past uncovered by the CALIFA survey |
| spellingShingle |
Imprints of galaxy evolution on H II regions memory of the past uncovered by the CALIFA survey Sánchez, S. F. Galaxies: abundances Galaxies: star formation Galaxies: evolution Galaxies: ISM |
| title_short |
Imprints of galaxy evolution on H II regions memory of the past uncovered by the CALIFA survey |
| title_full |
Imprints of galaxy evolution on H II regions memory of the past uncovered by the CALIFA survey |
| title_fullStr |
Imprints of galaxy evolution on H II regions memory of the past uncovered by the CALIFA survey |
| title_full_unstemmed |
Imprints of galaxy evolution on H II regions memory of the past uncovered by the CALIFA survey |
| title_sort |
Imprints of galaxy evolution on H II regions memory of the past uncovered by the CALIFA survey |
| dc.creator.none.fl_str_mv |
Sánchez, S. F. Pérez Jiménez, Enrique Rosales-Ortega, F. F. Miralles-Caballero, D. López-Sánchez, A. R. Iglesias-Páramo, J. Marino, R. A. Sánchez-Menguiano, L. García-Benito, Rubén Mast, D. Mendoza, M. A. Papaderos, P. Ellis, S. Galbany, L. Kehrig, C. Monreal-Ibero, A. González Delgado, Rosa M. Mollá, M. Ziegler, B. de Lorenzo-Cáceres, A. Mendez-Abreu, J. Bland-Hawthorn, J. Bekeraitė, S. Roth, M. M. Pasquali, A. Díaz, A. Bomans, D. van de Ven, G. Wisotzki, L. |
| author |
Sánchez, S. F. |
| author_facet |
Sánchez, S. F. Pérez Jiménez, Enrique Rosales-Ortega, F. F. Miralles-Caballero, D. López-Sánchez, A. R. Iglesias-Páramo, J. Marino, R. A. Sánchez-Menguiano, L. García-Benito, Rubén Mast, D. Mendoza, M. A. Papaderos, P. Ellis, S. Galbany, L. Kehrig, C. Monreal-Ibero, A. González Delgado, Rosa M. Mollá, M. Ziegler, B. de Lorenzo-Cáceres, A. Mendez-Abreu, J. Bland-Hawthorn, J. Bekeraitė, S. Roth, M. M. Pasquali, A. Díaz, A. Bomans, D. van de Ven, G. Wisotzki, L. |
| author_role |
author |
| author2 |
Pérez Jiménez, Enrique Rosales-Ortega, F. F. Miralles-Caballero, D. López-Sánchez, A. R. Iglesias-Páramo, J. Marino, R. A. Sánchez-Menguiano, L. García-Benito, Rubén Mast, D. Mendoza, M. A. Papaderos, P. Ellis, S. Galbany, L. Kehrig, C. Monreal-Ibero, A. González Delgado, Rosa M. Mollá, M. Ziegler, B. de Lorenzo-Cáceres, A. Mendez-Abreu, J. Bland-Hawthorn, J. Bekeraitė, S. Roth, M. M. Pasquali, A. Díaz, A. Bomans, D. van de Ven, G. Wisotzki, L. |
| author2_role |
author author author author author author author author author author author author author author author author author author author author author author author author author author author author |
| dc.contributor.none.fl_str_mv |
Comisión Nacional de Investigación Científica y Tecnológica (Chile) Ministerio de Economía y Competitividad (España) Fundação para a Ciência e a Tecnologia (Portugal) European Commission Fondo Nacional de Desarrollo Científico y Tecnológico (Chile) Agence Nationale de la Recherche (France) Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72] |
| dc.subject.none.fl_str_mv |
Galaxies: abundances Galaxies: star formation Galaxies: evolution Galaxies: ISM |
| topic |
Galaxies: abundances Galaxies: star formation Galaxies: evolution Galaxies: ISM |
| description |
Context. H II regions in galaxies are the sites of star formation, so they are special places for understanding the build-up of stellar mass in the universe. The line ratios of this ionized gas are frequently used to characterize the ionization conditions. In particular, the oxygen abundances are assumed to trace the chemical enrichment of galaxies. Aims. We explore the connections between the ionization conditions and the properties of the overall underlying stellar population (ionizing or not-ionizing) in H II regions, in order to uncover the actual physical connection between them. Methods. We use the H II regions catalog from the CALIFA survey, which is the largest in existence with more than 5000 H II regions, to explore their distribution across the classical [O III] λ5007/Hβ vs. [N II] λ6583/α diagnostic diagram, and the way it depends on the oxygen abundance, ionization parameter, electron density, and dust attenuation. The location of H II regions within this diagram is compared with predictions from photoionization models. Finally, we explore the dependence of the location within the diagnostic diagram on the properties of the host galaxies, the galactocentric distances, and the properties of the underlying stellar population. Results. The H II regions with weaker ionization strengths and more metal-rich are located in the bottom righthand area of the diagram. In contrast, those regions with stronger ionization strengths and more metal poor are located in the upper lefthand end of the diagram. Photoionization models per se do not predict these correlations between the parameters and the line ratios. The H II regions located in earlier-type galaxies, closer to the center and formed in older and more metal-rich regions of the galaxies are located in the bottom-right area of the diagram. On the other hand, those regions located in late-type galaxies in the outer regions of the disks and formed on younger and more metal-poor regions lie in the top lefthand area of the diagram. The two explored line ratios show strong correlations with the age and metallicity of the underlying stellar population. Conclusions. These results indicate that although H II regions are short-lived events, they are aff ected by the total underlying stellar population. One may say that H II regions keep a memory of the stellar evolution and chemical enrichment that have left an imprint on both the ionizing stellar population and the ionized gas. © ESO 2015. |
| publishDate |
2015 |
| dc.date.none.fl_str_mv |
2015 2025 2025 2025 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article http://purl.org/coar/resource_type/c_6501 Publisher's version info:eu-repo/semantics/publishedVersion |
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article |
| status_str |
publishedVersion |
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http://hdl.handle.net/10261/386135 |
| url |
http://hdl.handle.net/10261/386135 |
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Inglés |
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Inglés |
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info:eu-repo/semantics/openAccess |
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openAccess |
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EDP Sciences |
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EDP Sciences |
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reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC instname:Consejo Superior de Investigaciones Científicas (CSIC) |
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Consejo Superior de Investigaciones Científicas (CSIC) |
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DIGITAL.CSIC. Repositorio Institucional del CSIC |
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DIGITAL.CSIC. Repositorio Institucional del CSIC |
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1869417494407544832 |
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Imprints of galaxy evolution on H II regions memory of the past uncovered by the CALIFA surveySánchez, S. F.Pérez Jiménez, EnriqueRosales-Ortega, F. F.Miralles-Caballero, D.López-Sánchez, A. R.Iglesias-Páramo, J.Marino, R. A.Sánchez-Menguiano, L.García-Benito, RubénMast, D.Mendoza, M. A.Papaderos, P.Ellis, S.Galbany, L.Kehrig, C.Monreal-Ibero, A.González Delgado, Rosa M.Mollá, M.Ziegler, B.de Lorenzo-Cáceres, A.Mendez-Abreu, J.Bland-Hawthorn, J.Bekeraitė, S.Roth, M. M.Pasquali, A.Díaz, A.Bomans, D.van de Ven, G.Wisotzki, L.Galaxies: abundancesGalaxies: star formationGalaxies: evolutionGalaxies: ISMContext. H II regions in galaxies are the sites of star formation, so they are special places for understanding the build-up of stellar mass in the universe. The line ratios of this ionized gas are frequently used to characterize the ionization conditions. In particular, the oxygen abundances are assumed to trace the chemical enrichment of galaxies. Aims. We explore the connections between the ionization conditions and the properties of the overall underlying stellar population (ionizing or not-ionizing) in H II regions, in order to uncover the actual physical connection between them. Methods. We use the H II regions catalog from the CALIFA survey, which is the largest in existence with more than 5000 H II regions, to explore their distribution across the classical [O III] λ5007/Hβ vs. [N II] λ6583/α diagnostic diagram, and the way it depends on the oxygen abundance, ionization parameter, electron density, and dust attenuation. The location of H II regions within this diagram is compared with predictions from photoionization models. Finally, we explore the dependence of the location within the diagnostic diagram on the properties of the host galaxies, the galactocentric distances, and the properties of the underlying stellar population. Results. The H II regions with weaker ionization strengths and more metal-rich are located in the bottom righthand area of the diagram. In contrast, those regions with stronger ionization strengths and more metal poor are located in the upper lefthand end of the diagram. Photoionization models per se do not predict these correlations between the parameters and the line ratios. The H II regions located in earlier-type galaxies, closer to the center and formed in older and more metal-rich regions of the galaxies are located in the bottom-right area of the diagram. On the other hand, those regions located in late-type galaxies in the outer regions of the disks and formed on younger and more metal-poor regions lie in the top lefthand area of the diagram. The two explored line ratios show strong correlations with the age and metallicity of the underlying stellar population. Conclusions. These results indicate that although H II regions are short-lived events, they are aff ected by the total underlying stellar population. One may say that H II regions keep a memory of the stellar evolution and chemical enrichment that have left an imprint on both the ionizing stellar population and the ionized gas. © ESO 2015.We thank Prf. Dr. M. Dopita for his comments and suggestions during the reviewing process. He helped to improve significantly the interpretation of our results and the overall manuscript. S.F.S. thanks the director of CEFCA, M. Moles, for his sincere support to this project. This study makes uses of the data provided by the Calar Alto Legacy Integral Field Area (CALIFA) survey (http://califa.caha.es/). CALIFA is the first legacy survey being performed at Calar Alto. The CALIFA collaboration would like to thank the IAA-CSIC and MPIA-MPG as major partners of the observatory and CAHA itself, for the unique access to telescope time and support in manpower and infrastructures. The CALIFA collaboration also thanks the CAHA staff for the dedication to this project. This work was based on observations collected at the Centro Astronómico Hispano Alemán (CAHA) at Calar Alto, operated jointly by the Max-Planck-Institut für Astronomie and the Instituto de Astrofísica de Andalucia (CSIC). We thank the Viabilidad, Diseño, Acceso y Mejora funding program, ICTS-2009-10, for supporting the initial developement of this project. S.F.S. thanks the ConaCyt funding program 180125, for the support given to this project. S.F.S., M.A.M. and L.S.M. thank the Plan Nacional de Investigación y Desarrollo funding programs, AYA2012-31935, of the Spanish Ministerio de Economía y Competitividad, for the support given to this project. S.F.S. thanks the Ramón y Cajal project RyC-2011-07590 of the Spanish Ministerio de Economía y Competitividad, for its support of this project. P.P. is supported by a FCT Investigator 2013 consolidation grant. He acknowledges support by the Fundação para a Ciência e a Tecnologia (FCT) under project FCOMP-01-0124-FEDER-029170 (Reference FCT PTDC/FIS-AST/3214/2012), funded by FCT-MEC (PIDDAC) and FEDER (COMPETE). R.G.D., E.P., and R.G.B. thank the Plan Nacional de Investigación y Desarrollo funding program AYA2010-15081. Support for LG is provided by the Ministry of Economy, Development, and Tourism’s Millennium Science Initiative through grant IC12009, awarded to The Millennium Institute of Astrophysics, MAS. L.G. acknowledges support by CONICYT through FONDECYT grant 3140566. R.A. Marino was also funded by the Spanish program of International Campus of Excellence Moncloa (CEI). A. M.-I. acknowledges support from Agence Nationale de la Recherche through the STILISM project (ANR-12-BS05-0016-02).EDP SciencesComisión Nacional de Investigación Científica y Tecnológica (Chile)Ministerio de Economía y Competitividad (España)Fundação para a Ciência e a Tecnologia (Portugal)European CommissionFondo Nacional de Desarrollo Científico y Tecnológico (Chile)Agence Nationale de la Recherche (France)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2025202520152025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/386135reponame:DIGITAL.CSIC. 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15,81155 |