The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud

Autores
Piatti, Andres Eduardo; de Grijs, Richard; Ripepi, Vincenzo; Ivanov, Valentin D.; Cioni, Maria-Rosa L.; Marconi, Marcella; Rubele, Stefano; Bekki, Kenji; For, Bi-Qing
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We present results based on YJKs photometry of star clusters in the Large Magellanic Cloud (LMC), distributed throughout the central part of the galaxy's bar and the 30 Doradus region. We analysed the field-star-decontaminated colour-magnitude diagrams of 313 clusters to estimate their reddening values and ages. The clusters are affected by a mean reddening of E(B - V) ∈ [0.2, 0.3] mag, where the average internal LMC reddening amounts to ~0.1- 0.2 mag. The region covering 30 Doradus includes clusters with reddening values in excess of E(B - V) = 0.4 mag. Our cluster sample spans the age range 7.0 ≤ log (t yr-1) < 9.0, represents an increase of 30 per cent in terms of the number of clusters with robust age estimates and comprises a statistically complete sample in the LMC regions of interest here. The resulting cluster frequencies suggest that the outermost regions of the LMC bar first experienced enhanced cluster formation - log (t yr-1) ∈ [8.5, 9.0] - before the activity proceeded, although in a patchy manner, to the innermost regions, for log (t yr-1) < 7.7. Cluster frequencies in the 30 Doradus region show that the area is dominated by very recent cluster formation. The derived star formation frequencies suggest that the cluster and fieldstar populations do not seem to have fully evolved as fully coupled systems during the last ~100 Myr.
Fil: Piatti, Andres Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Observatorio Astronomico de la Universidad Nacional de Cordoba; Argentina
Fil: de Grijs, Richard. International Space Science Institute-beijing; China. Peking University; China
Fil: Ripepi, Vincenzo. Osservatorio Astronomico Di Capodimonte; Italia
Fil: Ivanov, Valentin D.. European Southern Observatory; Alemania
Fil: Cioni, Maria-Rosa L.. Universitat Potsdam; Alemania. Astrophysikalisches Institut Potsdam; Alemania. University Of Hertfordshire; Reino Unido
Fil: Marconi, Marcella. Osservatorio Astronomico Di Capodimonte; Italia
Fil: Rubele, Stefano. Osservatorio Astronomico Di Padova; Italia
Fil: Bekki, Kenji. University of Western Australia; Australia
Fil: For, Bi-Qing. University of Western Australia; Australia
Materia
GALAXIES: INDIVIDUAL: LMC-MAGELLANIC CLOUDS
TECHNIQUES: PHOTOMETRIC
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:11336/69316
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/69316
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic CloudPiatti, Andres Eduardode Grijs, RichardRipepi, VincenzoIvanov, Valentin D.Cioni, Maria-Rosa L.Marconi, MarcellaRubele, StefanoBekki, KenjiFor, Bi-QingGALAXIES: INDIVIDUAL: LMC-MAGELLANIC CLOUDSTECHNIQUES: PHOTOMETRICWe present results based on YJKs photometry of star clusters in the Large Magellanic Cloud (LMC), distributed throughout the central part of the galaxy's bar and the 30 Doradus region. We analysed the field-star-decontaminated colour-magnitude diagrams of 313 clusters to estimate their reddening values and ages. The clusters are affected by a mean reddening of E(B - V) ∈ [0.2, 0.3] mag, where the average internal LMC reddening amounts to ~0.1- 0.2 mag. The region covering 30 Doradus includes clusters with reddening values in excess of E(B - V) = 0.4 mag. Our cluster sample spans the age range 7.0 ≤ log (t yr-1) < 9.0, represents an increase of 30 per cent in terms of the number of clusters with robust age estimates and comprises a statistically complete sample in the LMC regions of interest here. The resulting cluster frequencies suggest that the outermost regions of the LMC bar first experienced enhanced cluster formation - log (t yr-1) ∈ [8.5, 9.0] - before the activity proceeded, although in a patchy manner, to the innermost regions, for log (t yr-1) < 7.7. Cluster frequencies in the 30 Doradus region show that the area is dominated by very recent cluster formation. The derived star formation frequencies suggest that the cluster and fieldstar populations do not seem to have fully evolved as fully coupled systems during the last ~100 Myr.Fil: Piatti, Andres Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Observatorio Astronomico de la Universidad Nacional de Cordoba; ArgentinaFil: de Grijs, Richard. International Space Science Institute-beijing; China. Peking University; ChinaFil: Ripepi, Vincenzo. Osservatorio Astronomico Di Capodimonte; ItaliaFil: Ivanov, Valentin D.. European Southern Observatory; AlemaniaFil: Cioni, Maria-Rosa L.. Universitat Potsdam; Alemania. Astrophysikalisches Institut Potsdam; Alemania. University Of Hertfordshire; Reino UnidoFil: Marconi, Marcella. Osservatorio Astronomico Di Capodimonte; ItaliaFil: Rubele, Stefano. Osservatorio Astronomico Di Padova; ItaliaFil: Bekki, Kenji. University of Western Australia; AustraliaFil: For, Bi-Qing. University of Western Australia; AustraliaWiley Blackwell Publishing, Inc2015-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/69316Piatti, Andres Eduardo; de Grijs, Richard; Ripepi, Vincenzo; Ivanov, Valentin D.; Cioni, Maria-Rosa L.; et al.; The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 454; 1; 9-2015; 839-8480035-8711CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/stv2054info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/454/1/839/1143215info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:31:08Zoai:ri.conicet.gov.ar:11336/69316instacron: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 10:31:08.825CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud
title The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud
spellingShingle The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud
Piatti, Andres Eduardo
GALAXIES: INDIVIDUAL: LMC-MAGELLANIC CLOUDS
TECHNIQUES: PHOTOMETRIC
title_short The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud
title_full The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud
title_fullStr The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud
title_full_unstemmed The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud
title_sort The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud
dc.creator.none.fl_str_mv Piatti, Andres Eduardo
de Grijs, Richard
Ripepi, Vincenzo
Ivanov, Valentin D.
Cioni, Maria-Rosa L.
Marconi, Marcella
Rubele, Stefano
Bekki, Kenji
For, Bi-Qing
author Piatti, Andres Eduardo
author_facet Piatti, Andres Eduardo
de Grijs, Richard
Ripepi, Vincenzo
Ivanov, Valentin D.
Cioni, Maria-Rosa L.
Marconi, Marcella
Rubele, Stefano
Bekki, Kenji
For, Bi-Qing
author_role author
author2 de Grijs, Richard
Ripepi, Vincenzo
Ivanov, Valentin D.
Cioni, Maria-Rosa L.
Marconi, Marcella
Rubele, Stefano
Bekki, Kenji
For, Bi-Qing
author2_role author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv GALAXIES: INDIVIDUAL: LMC-MAGELLANIC CLOUDS
TECHNIQUES: PHOTOMETRIC
topic GALAXIES: INDIVIDUAL: LMC-MAGELLANIC CLOUDS
TECHNIQUES: PHOTOMETRIC
dc.description.none.fl_txt_mv We present results based on YJKs photometry of star clusters in the Large Magellanic Cloud (LMC), distributed throughout the central part of the galaxy's bar and the 30 Doradus region. We analysed the field-star-decontaminated colour-magnitude diagrams of 313 clusters to estimate their reddening values and ages. The clusters are affected by a mean reddening of E(B - V) ∈ [0.2, 0.3] mag, where the average internal LMC reddening amounts to ~0.1- 0.2 mag. The region covering 30 Doradus includes clusters with reddening values in excess of E(B - V) = 0.4 mag. Our cluster sample spans the age range 7.0 ≤ log (t yr-1) < 9.0, represents an increase of 30 per cent in terms of the number of clusters with robust age estimates and comprises a statistically complete sample in the LMC regions of interest here. The resulting cluster frequencies suggest that the outermost regions of the LMC bar first experienced enhanced cluster formation - log (t yr-1) ∈ [8.5, 9.0] - before the activity proceeded, although in a patchy manner, to the innermost regions, for log (t yr-1) < 7.7. Cluster frequencies in the 30 Doradus region show that the area is dominated by very recent cluster formation. The derived star formation frequencies suggest that the cluster and fieldstar populations do not seem to have fully evolved as fully coupled systems during the last ~100 Myr.
Fil: Piatti, Andres Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Observatorio Astronomico de la Universidad Nacional de Cordoba; Argentina
Fil: de Grijs, Richard. International Space Science Institute-beijing; China. Peking University; China
Fil: Ripepi, Vincenzo. Osservatorio Astronomico Di Capodimonte; Italia
Fil: Ivanov, Valentin D.. European Southern Observatory; Alemania
Fil: Cioni, Maria-Rosa L.. Universitat Potsdam; Alemania. Astrophysikalisches Institut Potsdam; Alemania. University Of Hertfordshire; Reino Unido
Fil: Marconi, Marcella. Osservatorio Astronomico Di Capodimonte; Italia
Fil: Rubele, Stefano. Osservatorio Astronomico Di Padova; Italia
Fil: Bekki, Kenji. University of Western Australia; Australia
Fil: For, Bi-Qing. University of Western Australia; Australia
description We present results based on YJKs photometry of star clusters in the Large Magellanic Cloud (LMC), distributed throughout the central part of the galaxy's bar and the 30 Doradus region. We analysed the field-star-decontaminated colour-magnitude diagrams of 313 clusters to estimate their reddening values and ages. The clusters are affected by a mean reddening of E(B - V) ∈ [0.2, 0.3] mag, where the average internal LMC reddening amounts to ~0.1- 0.2 mag. The region covering 30 Doradus includes clusters with reddening values in excess of E(B - V) = 0.4 mag. Our cluster sample spans the age range 7.0 ≤ log (t yr-1) < 9.0, represents an increase of 30 per cent in terms of the number of clusters with robust age estimates and comprises a statistically complete sample in the LMC regions of interest here. The resulting cluster frequencies suggest that the outermost regions of the LMC bar first experienced enhanced cluster formation - log (t yr-1) ∈ [8.5, 9.0] - before the activity proceeded, although in a patchy manner, to the innermost regions, for log (t yr-1) < 7.7. Cluster frequencies in the 30 Doradus region show that the area is dominated by very recent cluster formation. The derived star formation frequencies suggest that the cluster and fieldstar populations do not seem to have fully evolved as fully coupled systems during the last ~100 Myr.
publishDate 2015
dc.date.none.fl_str_mv 2015-09
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/11336/69316
Piatti, Andres Eduardo; de Grijs, Richard; Ripepi, Vincenzo; Ivanov, Valentin D.; Cioni, Maria-Rosa L.; et al.; The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 454; 1; 9-2015; 839-848
0035-8711
CONICET Digital
CONICET
url http://hdl.handle.net/11336/69316
identifier_str_mv Piatti, Andres Eduardo; de Grijs, Richard; Ripepi, Vincenzo; Ivanov, Valentin D.; Cioni, Maria-Rosa L.; et al.; The VMC survey - XVI. Spatial variation of the cluster formation activity in the innermost regions of the Large Magellanic Cloud; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 454; 1; 9-2015; 839-848
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/10.1093/mnras/stv2054
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/454/1/839/1143215
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 13.070432

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