The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster

Autores
Escudero, Carlos Gabriel; Cortesi, Arianna; Faifer, Favio Raúl; Sesto, Leandro Alberto; Smith Castelli, Analia Viviana; Johnston, Evelyn J.; Reynaldi, María Victoria; Chies Santos, Ana; Salinas, R.; Menendez Delmetre, Karín; S. Gonçalves, Thiago; Grossi, Marcos; Mendes de Oliveira, Claudia Lucia
Año de publicación
2022
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
NGC 4382 is a merger-remnant galaxy that has been classified as morphological type E2, S0, and even Sa. In this work, we performed a photometric and spectroscopic analysis of the globular cluster (GC) system of this peculiar galaxy in order to provide additional information about its history. We used a combination of photometric data in different filters, and multiobject and long-slit spectroscopic data obtained using the Gemini/GMOS instrument. The photometric analysis of the GC system, using the Gaussian Mixture Model algorithm in the colour plane, reveals a complex colour distribution within Rgal < 5 arcmin (26.1 kpc), showing four different groups: the typical blue and red subpopulations, a group with intermediate colours, and the fourth group towards even redder colours. From the spectroscopic analysis of 47 GCs, confirmed members of NGC 4382 based on radial velocities, we verified 3 of the 4 photometric groups from the analysis of their stellar populations using the ULySS code. NGC 4382 presents the classic blue (10.4 ± 2.8 Gyr, [Fe/H] = -1.48 ± 0.18 dex), and red (12.1 ± 2.3 Gyr, [Fe/H] = -0.64 ± 0.26 dex) GCs formed earlier in the lifetime of the galaxy, and a third group of young GCs (2.2 ± 0.9 Gyr; [Fe/H] = -0.05 ± 0.28 dex). Finally, analysis of long-slit data of the galaxy reveals a luminosity-weighted mean age for the stellar population of ∼2.7 Gyr, and an increasing metallicity from [Fe/H] = -0.1 to +0.2 dex in Rgal < 10 arcsec (0.87 kpc). These values, and other morphological signatures in the galaxy, are in good agreement with the younger group of GCs, indicating a common origin as a result of a recent merger.
Fil: Escudero, Carlos Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. 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
Fil: Cortesi, Arianna. Universidade Federal do Rio de Janeiro; Brasil
Fil: Faifer, Favio Raúl. 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
Fil: Sesto, Leandro Alberto. Observatório Do Valongo; Brasil. 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
Fil: Smith Castelli, Analia Viviana. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. 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
Fil: Johnston, Evelyn J.. Universidad Diego Portales; Chile
Fil: Reynaldi, María Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. 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
Fil: Chies Santos, Ana. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
Fil: Salinas, R.. Gemini Observatory; Chile
Fil: Menendez Delmetre, Karín. Universidade Federal do Rio de Janeiro; Brasil
Fil: S. Gonçalves, Thiago. Universidad Diego Portales; Chile
Fil: Grossi, Marcos. Universidad Diego Portales; Chile
Fil: Mendes de Oliveira, Claudia Lucia. 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
GALAXIES: CLUSTERS: INDIVIDUAL: NGC 4382
GALAXIES: ELLIPTICAL AND LENTICULAR, CD
GALAXIES: STAR CLUSTERS: GENERAL
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:11336/211935

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spelling The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo ClusterEscudero, Carlos GabrielCortesi, AriannaFaifer, Favio RaúlSesto, Leandro AlbertoSmith Castelli, Analia VivianaJohnston, Evelyn J.Reynaldi, María VictoriaChies Santos, AnaSalinas, R.Menendez Delmetre, KarínS. Gonçalves, ThiagoGrossi, MarcosMendes de Oliveira, Claudia LuciaGALAXIES: CLUSTERS: INDIVIDUAL: NGC 4382GALAXIES: ELLIPTICAL AND LENTICULAR, CDGALAXIES: STAR CLUSTERS: GENERALhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1NGC 4382 is a merger-remnant galaxy that has been classified as morphological type E2, S0, and even Sa. In this work, we performed a photometric and spectroscopic analysis of the globular cluster (GC) system of this peculiar galaxy in order to provide additional information about its history. We used a combination of photometric data in different filters, and multiobject and long-slit spectroscopic data obtained using the Gemini/GMOS instrument. The photometric analysis of the GC system, using the Gaussian Mixture Model algorithm in the colour plane, reveals a complex colour distribution within Rgal < 5 arcmin (26.1 kpc), showing four different groups: the typical blue and red subpopulations, a group with intermediate colours, and the fourth group towards even redder colours. From the spectroscopic analysis of 47 GCs, confirmed members of NGC 4382 based on radial velocities, we verified 3 of the 4 photometric groups from the analysis of their stellar populations using the ULySS code. NGC 4382 presents the classic blue (10.4 ± 2.8 Gyr, [Fe/H] = -1.48 ± 0.18 dex), and red (12.1 ± 2.3 Gyr, [Fe/H] = -0.64 ± 0.26 dex) GCs formed earlier in the lifetime of the galaxy, and a third group of young GCs (2.2 ± 0.9 Gyr; [Fe/H] = -0.05 ± 0.28 dex). Finally, analysis of long-slit data of the galaxy reveals a luminosity-weighted mean age for the stellar population of ∼2.7 Gyr, and an increasing metallicity from [Fe/H] = -0.1 to +0.2 dex in Rgal < 10 arcsec (0.87 kpc). These values, and other morphological signatures in the galaxy, are in good agreement with the younger group of GCs, indicating a common origin as a result of a recent merger.Fil: Escudero, Carlos Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. 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; ArgentinaFil: Cortesi, Arianna. Universidade Federal do Rio de Janeiro; BrasilFil: Faifer, Favio Raúl. 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; ArgentinaFil: Sesto, Leandro Alberto. Observatório Do Valongo; Brasil. 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; ArgentinaFil: Smith Castelli, Analia Viviana. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. 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; ArgentinaFil: Johnston, Evelyn J.. Universidad Diego Portales; ChileFil: Reynaldi, María Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. 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; ArgentinaFil: Chies Santos, Ana. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; ArgentinaFil: Salinas, R.. Gemini Observatory; ChileFil: Menendez Delmetre, Karín. Universidade Federal do Rio de Janeiro; BrasilFil: S. Gonçalves, Thiago. Universidad Diego Portales; ChileFil: Grossi, Marcos. Universidad Diego Portales; ChileFil: Mendes de Oliveira, Claudia Lucia. 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, Inc2022-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/211935Escudero, Carlos Gabriel; Cortesi, Arianna; Faifer, Favio Raúl; Sesto, Leandro Alberto; Smith Castelli, Analia Viviana; et al.; The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 511; 1; 3-2022; 393-4120035-8711CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://ieeexplore.ieee.org/document/9717075info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/stac021info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:30:40Zoai:ri.conicet.gov.ar:11336/211935instacron: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 10:30:41.203CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster
title The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster
spellingShingle The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster
Escudero, Carlos Gabriel
GALAXIES: CLUSTERS: INDIVIDUAL: NGC 4382
GALAXIES: ELLIPTICAL AND LENTICULAR, CD
GALAXIES: STAR CLUSTERS: GENERAL
title_short The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster
title_full The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster
title_fullStr The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster
title_full_unstemmed The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster
title_sort The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster
dc.creator.none.fl_str_mv Escudero, Carlos Gabriel
Cortesi, Arianna
Faifer, Favio Raúl
Sesto, Leandro Alberto
Smith Castelli, Analia Viviana
Johnston, Evelyn J.
Reynaldi, María Victoria
Chies Santos, Ana
Salinas, R.
Menendez Delmetre, Karín
S. Gonçalves, Thiago
Grossi, Marcos
Mendes de Oliveira, Claudia Lucia
author Escudero, Carlos Gabriel
author_facet Escudero, Carlos Gabriel
Cortesi, Arianna
Faifer, Favio Raúl
Sesto, Leandro Alberto
Smith Castelli, Analia Viviana
Johnston, Evelyn J.
Reynaldi, María Victoria
Chies Santos, Ana
Salinas, R.
Menendez Delmetre, Karín
S. Gonçalves, Thiago
Grossi, Marcos
Mendes de Oliveira, Claudia Lucia
author_role author
author2 Cortesi, Arianna
Faifer, Favio Raúl
Sesto, Leandro Alberto
Smith Castelli, Analia Viviana
Johnston, Evelyn J.
Reynaldi, María Victoria
Chies Santos, Ana
Salinas, R.
Menendez Delmetre, Karín
S. Gonçalves, Thiago
Grossi, Marcos
Mendes de Oliveira, Claudia Lucia
author2_role author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv GALAXIES: CLUSTERS: INDIVIDUAL: NGC 4382
GALAXIES: ELLIPTICAL AND LENTICULAR, CD
GALAXIES: STAR CLUSTERS: GENERAL
topic GALAXIES: CLUSTERS: INDIVIDUAL: NGC 4382
GALAXIES: ELLIPTICAL AND LENTICULAR, CD
GALAXIES: STAR CLUSTERS: GENERAL
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv NGC 4382 is a merger-remnant galaxy that has been classified as morphological type E2, S0, and even Sa. In this work, we performed a photometric and spectroscopic analysis of the globular cluster (GC) system of this peculiar galaxy in order to provide additional information about its history. We used a combination of photometric data in different filters, and multiobject and long-slit spectroscopic data obtained using the Gemini/GMOS instrument. The photometric analysis of the GC system, using the Gaussian Mixture Model algorithm in the colour plane, reveals a complex colour distribution within Rgal < 5 arcmin (26.1 kpc), showing four different groups: the typical blue and red subpopulations, a group with intermediate colours, and the fourth group towards even redder colours. From the spectroscopic analysis of 47 GCs, confirmed members of NGC 4382 based on radial velocities, we verified 3 of the 4 photometric groups from the analysis of their stellar populations using the ULySS code. NGC 4382 presents the classic blue (10.4 ± 2.8 Gyr, [Fe/H] = -1.48 ± 0.18 dex), and red (12.1 ± 2.3 Gyr, [Fe/H] = -0.64 ± 0.26 dex) GCs formed earlier in the lifetime of the galaxy, and a third group of young GCs (2.2 ± 0.9 Gyr; [Fe/H] = -0.05 ± 0.28 dex). Finally, analysis of long-slit data of the galaxy reveals a luminosity-weighted mean age for the stellar population of ∼2.7 Gyr, and an increasing metallicity from [Fe/H] = -0.1 to +0.2 dex in Rgal < 10 arcsec (0.87 kpc). These values, and other morphological signatures in the galaxy, are in good agreement with the younger group of GCs, indicating a common origin as a result of a recent merger.
Fil: Escudero, Carlos Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. 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
Fil: Cortesi, Arianna. Universidade Federal do Rio de Janeiro; Brasil
Fil: Faifer, Favio Raúl. 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
Fil: Sesto, Leandro Alberto. Observatório Do Valongo; Brasil. 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
Fil: Smith Castelli, Analia Viviana. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. 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
Fil: Johnston, Evelyn J.. Universidad Diego Portales; Chile
Fil: Reynaldi, María Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. 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
Fil: Chies Santos, Ana. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
Fil: Salinas, R.. Gemini Observatory; Chile
Fil: Menendez Delmetre, Karín. Universidade Federal do Rio de Janeiro; Brasil
Fil: S. Gonçalves, Thiago. Universidad Diego Portales; Chile
Fil: Grossi, Marcos. Universidad Diego Portales; Chile
Fil: Mendes de Oliveira, Claudia Lucia. 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 NGC 4382 is a merger-remnant galaxy that has been classified as morphological type E2, S0, and even Sa. In this work, we performed a photometric and spectroscopic analysis of the globular cluster (GC) system of this peculiar galaxy in order to provide additional information about its history. We used a combination of photometric data in different filters, and multiobject and long-slit spectroscopic data obtained using the Gemini/GMOS instrument. The photometric analysis of the GC system, using the Gaussian Mixture Model algorithm in the colour plane, reveals a complex colour distribution within Rgal < 5 arcmin (26.1 kpc), showing four different groups: the typical blue and red subpopulations, a group with intermediate colours, and the fourth group towards even redder colours. From the spectroscopic analysis of 47 GCs, confirmed members of NGC 4382 based on radial velocities, we verified 3 of the 4 photometric groups from the analysis of their stellar populations using the ULySS code. NGC 4382 presents the classic blue (10.4 ± 2.8 Gyr, [Fe/H] = -1.48 ± 0.18 dex), and red (12.1 ± 2.3 Gyr, [Fe/H] = -0.64 ± 0.26 dex) GCs formed earlier in the lifetime of the galaxy, and a third group of young GCs (2.2 ± 0.9 Gyr; [Fe/H] = -0.05 ± 0.28 dex). Finally, analysis of long-slit data of the galaxy reveals a luminosity-weighted mean age for the stellar population of ∼2.7 Gyr, and an increasing metallicity from [Fe/H] = -0.1 to +0.2 dex in Rgal < 10 arcsec (0.87 kpc). These values, and other morphological signatures in the galaxy, are in good agreement with the younger group of GCs, indicating a common origin as a result of a recent merger.
publishDate 2022
dc.date.none.fl_str_mv 2022-03
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/11336/211935
Escudero, Carlos Gabriel; Cortesi, Arianna; Faifer, Favio Raúl; Sesto, Leandro Alberto; Smith Castelli, Analia Viviana; et al.; The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 511; 1; 3-2022; 393-412
0035-8711
CONICET Digital
CONICET
url http://hdl.handle.net/11336/211935
identifier_str_mv Escudero, Carlos Gabriel; Cortesi, Arianna; Faifer, Favio Raúl; Sesto, Leandro Alberto; Smith Castelli, Analia Viviana; et al.; The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 511; 1; 3-2022; 393-412
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/url/https://ieeexplore.ieee.org/document/9717075
info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/stac021
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
application/pdf
application/pdf
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)
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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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