On the central abundances of Active Galactic Nuclei and Star-forming Galaxies

Autores
Dors Jr., O. L.; Cardaci, Monica Viviana; Hägele, Guillermo Federico; Rodrigues, I.; Grebel, E. K.; Pilyugin, L. S.; Freitas Lemes, P.; Krabbe, A. C.
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We examine the relation between oxygen abundances in the narrow-line regions (NLRs) of active galactic nuclei (AGNs) estimated from the optical emission lines through the strong-line method (the theoretical calibration of Storchi-Bergmann et al. 1998), via the direct Te-method, and the central intersect abundances in the host galax- ies determined from the radial abundance gradients. We found that the Te-method underestimates the oxygen abundances by up to ∼2 dex (with average value of ~0.8 dex) compared to the abundances derived through the strong-line method. This con- firms the existence of the so-called ?temperature problem? in AGNs. We also found that the abundances in the centres of galaxies obtained from their spectra trough the strong-line method are close to or slightly lower than the central intersect abun- dances estimated from the radial abundance gradient both in AGNs and Star-forming galaxies. The oxygen abundance of the NLR is usually lower than the maximum at- tainable abundance in galaxies (~2 times the solar value). This suggests that there is no extraordinary chemical enrichment of the NLRs of AGNs.
Fil: Dors Jr., O. L.. Universidade Do Vale Do Paraíba; Brasil
Fil: Cardaci, Monica Viviana. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Instituto de Astrofísica de La Plata; Argentina
Fil: Hägele, Guillermo Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Astrofísica de la Plata; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
Fil: Rodrigues, I.. Universidade Do Vale Do Paraíba; Brasil
Fil: Grebel, E. K. . Universität Heidelberg. Astronomisches Rechen-Institut. Zentrum für Astronomie; Alemania
Fil: Pilyugin, L. S. . Universität Heidelberg; Alemania. National Academy of Sciences of Ukraine; Ucrania. Kazan Federal University; Rusia
Fil: Freitas Lemes, P. . Universidade Do Vale Do Paraíba; Brasil
Fil: Krabbe, A. C. . Universidade Do Vale Do Paraíba; Brasil
Materia
Evolution of galaxies
Abundances
Formation of galaxies
Interstellar medium
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:11336/11235
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/11235
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling On the central abundances of Active Galactic Nuclei and Star-forming GalaxiesDors Jr., O. L.Cardaci, Monica VivianaHägele, Guillermo FedericoRodrigues, I.Grebel, E. K. Pilyugin, L. S. Freitas Lemes, P. Krabbe, A. C. Evolution of galaxiesAbundancesFormation of galaxiesInterstellar mediumhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We examine the relation between oxygen abundances in the narrow-line regions (NLRs) of active galactic nuclei (AGNs) estimated from the optical emission lines through the strong-line method (the theoretical calibration of Storchi-Bergmann et al. 1998), via the direct Te-method, and the central intersect abundances in the host galax- ies determined from the radial abundance gradients. We found that the Te-method underestimates the oxygen abundances by up to ∼2 dex (with average value of ~0.8 dex) compared to the abundances derived through the strong-line method. This con- firms the existence of the so-called ?temperature problem? in AGNs. We also found that the abundances in the centres of galaxies obtained from their spectra trough the strong-line method are close to or slightly lower than the central intersect abun- dances estimated from the radial abundance gradient both in AGNs and Star-forming galaxies. The oxygen abundance of the NLR is usually lower than the maximum at- tainable abundance in galaxies (~2 times the solar value). This suggests that there is no extraordinary chemical enrichment of the NLRs of AGNs.Fil: Dors Jr., O. L.. Universidade Do Vale Do Paraíba; BrasilFil: Cardaci, Monica Viviana. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Instituto de Astrofísica de La Plata; ArgentinaFil: Hägele, Guillermo Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Astrofísica de la Plata; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; ArgentinaFil: Rodrigues, I.. Universidade Do Vale Do Paraíba; BrasilFil: Grebel, E. K. . Universität Heidelberg. Astronomisches Rechen-Institut. Zentrum für Astronomie; AlemaniaFil: Pilyugin, L. S. . Universität Heidelberg; Alemania. National Academy of Sciences of Ukraine; Ucrania. Kazan Federal University; RusiaFil: Freitas Lemes, P. . Universidade Do Vale Do Paraíba; BrasilFil: Krabbe, A. C. . Universidade Do Vale Do Paraíba; BrasilOxford University Press2015-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/11235Dors Jr., O. L.; Cardaci, Monica Viviana; Hägele, Guillermo Federico; Rodrigues, I.; Grebel, E. K. ; et al.; On the central abundances of Active Galactic Nuclei and Star-forming Galaxies; Oxford University Press; Monthly Notices Of The Royal Astronomical Society; 453; 3-2015; 4102-41130035-8711enginfo:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/stv1916info:eu-repo/semantics/altIdentifier/url/http://mnras.oxfordjournals.org/content/453/4/4102info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:39:32Zoai:ri.conicet.gov.ar:11336/11235instacron: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:34982025-10-22 11:39:33.201CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv On the central abundances of Active Galactic Nuclei and Star-forming Galaxies
title On the central abundances of Active Galactic Nuclei and Star-forming Galaxies
spellingShingle On the central abundances of Active Galactic Nuclei and Star-forming Galaxies
Dors Jr., O. L.
Evolution of galaxies
Abundances
Formation of galaxies
Interstellar medium
title_short On the central abundances of Active Galactic Nuclei and Star-forming Galaxies
title_full On the central abundances of Active Galactic Nuclei and Star-forming Galaxies
title_fullStr On the central abundances of Active Galactic Nuclei and Star-forming Galaxies
title_full_unstemmed On the central abundances of Active Galactic Nuclei and Star-forming Galaxies
title_sort On the central abundances of Active Galactic Nuclei and Star-forming Galaxies
dc.creator.none.fl_str_mv Dors Jr., O. L.
Cardaci, Monica Viviana
Hägele, Guillermo Federico
Rodrigues, I.
Grebel, E. K.
Pilyugin, L. S.
Freitas Lemes, P.
Krabbe, A. C.
author Dors Jr., O. L.
author_facet Dors Jr., O. L.
Cardaci, Monica Viviana
Hägele, Guillermo Federico
Rodrigues, I.
Grebel, E. K.
Pilyugin, L. S.
Freitas Lemes, P.
Krabbe, A. C.
author_role author
author2 Cardaci, Monica Viviana
Hägele, Guillermo Federico
Rodrigues, I.
Grebel, E. K.
Pilyugin, L. S.
Freitas Lemes, P.
Krabbe, A. C.
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Evolution of galaxies
Abundances
Formation of galaxies
Interstellar medium
topic Evolution of galaxies
Abundances
Formation of galaxies
Interstellar medium
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 examine the relation between oxygen abundances in the narrow-line regions (NLRs) of active galactic nuclei (AGNs) estimated from the optical emission lines through the strong-line method (the theoretical calibration of Storchi-Bergmann et al. 1998), via the direct Te-method, and the central intersect abundances in the host galax- ies determined from the radial abundance gradients. We found that the Te-method underestimates the oxygen abundances by up to ∼2 dex (with average value of ~0.8 dex) compared to the abundances derived through the strong-line method. This con- firms the existence of the so-called ?temperature problem? in AGNs. We also found that the abundances in the centres of galaxies obtained from their spectra trough the strong-line method are close to or slightly lower than the central intersect abun- dances estimated from the radial abundance gradient both in AGNs and Star-forming galaxies. The oxygen abundance of the NLR is usually lower than the maximum at- tainable abundance in galaxies (~2 times the solar value). This suggests that there is no extraordinary chemical enrichment of the NLRs of AGNs.
Fil: Dors Jr., O. L.. Universidade Do Vale Do Paraíba; Brasil
Fil: Cardaci, Monica Viviana. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Instituto de Astrofísica de La Plata; Argentina
Fil: Hägele, Guillermo Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Astrofísica de la Plata; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
Fil: Rodrigues, I.. Universidade Do Vale Do Paraíba; Brasil
Fil: Grebel, E. K. . Universität Heidelberg. Astronomisches Rechen-Institut. Zentrum für Astronomie; Alemania
Fil: Pilyugin, L. S. . Universität Heidelberg; Alemania. National Academy of Sciences of Ukraine; Ucrania. Kazan Federal University; Rusia
Fil: Freitas Lemes, P. . Universidade Do Vale Do Paraíba; Brasil
Fil: Krabbe, A. C. . Universidade Do Vale Do Paraíba; Brasil
description We examine the relation between oxygen abundances in the narrow-line regions (NLRs) of active galactic nuclei (AGNs) estimated from the optical emission lines through the strong-line method (the theoretical calibration of Storchi-Bergmann et al. 1998), via the direct Te-method, and the central intersect abundances in the host galax- ies determined from the radial abundance gradients. We found that the Te-method underestimates the oxygen abundances by up to ∼2 dex (with average value of ~0.8 dex) compared to the abundances derived through the strong-line method. This con- firms the existence of the so-called ?temperature problem? in AGNs. We also found that the abundances in the centres of galaxies obtained from their spectra trough the strong-line method are close to or slightly lower than the central intersect abun- dances estimated from the radial abundance gradient both in AGNs and Star-forming galaxies. The oxygen abundance of the NLR is usually lower than the maximum at- tainable abundance in galaxies (~2 times the solar value). This suggests that there is no extraordinary chemical enrichment of the NLRs of AGNs.
publishDate 2015
dc.date.none.fl_str_mv 2015-03
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/11336/11235
Dors Jr., O. L.; Cardaci, Monica Viviana; Hägele, Guillermo Federico; Rodrigues, I.; Grebel, E. K. ; et al.; On the central abundances of Active Galactic Nuclei and Star-forming Galaxies; Oxford University Press; Monthly Notices Of The Royal Astronomical Society; 453; 3-2015; 4102-4113
0035-8711
url http://hdl.handle.net/11336/11235
identifier_str_mv Dors Jr., O. L.; Cardaci, Monica Viviana; Hägele, Guillermo Federico; Rodrigues, I.; Grebel, E. K. ; et al.; On the central abundances of Active Galactic Nuclei and Star-forming Galaxies; Oxford University Press; Monthly Notices Of The Royal Astronomical Society; 453; 3-2015; 4102-4113
0035-8711
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/stv1916
info:eu-repo/semantics/altIdentifier/url/http://mnras.oxfordjournals.org/content/453/4/4102
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 Oxford University Press
publisher.none.fl_str_mv Oxford University Press
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
_version_ 1846782060518178816
score 12.982451

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