Two newly identified, relatively old star clusters in the Small Magellanic Cloud

We present the results on the age and metallicity estimates of the Small Magellanic Cloud (SMC) clusters L110, L112 and L113 obtained from CCD Washington CT 1 photometry. We confirm L 113 as a relatively old and metal-poor cluster, and report for the first time that L 110 and 112 are also relatively...

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Autores principales: Piatti, A.E., Sarajedini, A., Geisler, D., Gallart, C., Wischnjewsky, M.
Formato: JOUR
Materias:
Galaxies: individual: Small Magellanic Cloud
Galaxies: star clusters
Magellanic Clouds
Techniques: photometric
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_17453933_v381_n1_pL84_Piatti
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_17453933_v381_n1_pL84_Piatti
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spelling todo:paper_17453933_v381_n1_pL84_Piatti2023-10-03T16:31:58Z Two newly identified, relatively old star clusters in the Small Magellanic Cloud Piatti, A.E. Sarajedini, A. Geisler, D. Gallart, C. Wischnjewsky, M. Galaxies: individual: Small Magellanic Cloud Galaxies: star clusters Magellanic Clouds Techniques: photometric We present the results on the age and metallicity estimates of the Small Magellanic Cloud (SMC) clusters L110, L112 and L113 obtained from CCD Washington CT 1 photometry. We confirm L 113 as a relatively old and metal-poor cluster, and report for the first time that L 110 and 112 are also relatively old clusters (t ~ 6.5 Gyr). Their derived ages and metallicities reinforce previous suggestions that the farther a cluster is from the centre of the galaxy, the older and more metal-poor it is, with some dispersion. In addition, the bursting star formation model still appears to be the most probable paradigm to describe the SMC's star formation history. We call attention to a second possible burst at ~7 Gyr, besides the known burst at ~3 Gyr. © 2007 The Authors. Journal compilation © 2007 RAS. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_17453933_v381_n1_pL84_Piatti
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Galaxies: individual: Small Magellanic Cloud
Galaxies: star clusters
Magellanic Clouds
Techniques: photometric
spellingShingle Galaxies: individual: Small Magellanic Cloud
Galaxies: star clusters
Magellanic Clouds
Techniques: photometric
Piatti, A.E.
Sarajedini, A.
Geisler, D.
Gallart, C.
Wischnjewsky, M.
Two newly identified, relatively old star clusters in the Small Magellanic Cloud
topic_facet Galaxies: individual: Small Magellanic Cloud
Galaxies: star clusters
Magellanic Clouds
Techniques: photometric
description We present the results on the age and metallicity estimates of the Small Magellanic Cloud (SMC) clusters L110, L112 and L113 obtained from CCD Washington CT 1 photometry. We confirm L 113 as a relatively old and metal-poor cluster, and report for the first time that L 110 and 112 are also relatively old clusters (t ~ 6.5 Gyr). Their derived ages and metallicities reinforce previous suggestions that the farther a cluster is from the centre of the galaxy, the older and more metal-poor it is, with some dispersion. In addition, the bursting star formation model still appears to be the most probable paradigm to describe the SMC's star formation history. We call attention to a second possible burst at ~7 Gyr, besides the known burst at ~3 Gyr. © 2007 The Authors. Journal compilation © 2007 RAS.
format JOUR
author Piatti, A.E.
Sarajedini, A.
Geisler, D.
Gallart, C.
Wischnjewsky, M.
author_facet Piatti, A.E.
Sarajedini, A.
Geisler, D.
Gallart, C.
Wischnjewsky, M.
author_sort Piatti, A.E.
title Two newly identified, relatively old star clusters in the Small Magellanic Cloud
title_short Two newly identified, relatively old star clusters in the Small Magellanic Cloud
title_full Two newly identified, relatively old star clusters in the Small Magellanic Cloud
title_fullStr Two newly identified, relatively old star clusters in the Small Magellanic Cloud
title_full_unstemmed Two newly identified, relatively old star clusters in the Small Magellanic Cloud
title_sort two newly identified, relatively old star clusters in the small magellanic cloud
url http://hdl.handle.net/20.500.12110/paper_17453933_v381_n1_pL84_Piatti
work_keys_str_mv AT piattiae twonewlyidentifiedrelativelyoldstarclustersinthesmallmagellaniccloud
AT sarajedinia twonewlyidentifiedrelativelyoldstarclustersinthesmallmagellaniccloud
AT geislerd twonewlyidentifiedrelativelyoldstarclustersinthesmallmagellaniccloud
AT gallartc twonewlyidentifiedrelativelyoldstarclustersinthesmallmagellaniccloud
AT wischnjewskym twonewlyidentifiedrelativelyoldstarclustersinthesmallmagellaniccloud
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