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Piatti, A.E.; Sarajedini, A.; Geisler, D.; Gallart, C.; Wischnjewsky, M. "Two newly identified, relatively old star clusters in the Small Magellanic Cloud" (2007) Monthly Notices of the Royal Astronomical Society: Letters. 381(1):L84-L88
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Abstract:

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.

Registro:

Documento: Artículo
Título:Two newly identified, relatively old star clusters in the Small Magellanic Cloud
Autor:Piatti, A.E.; Sarajedini, A.; Geisler, D.; Gallart, C.; Wischnjewsky, M.
Filiación:Instituto de Astronomía y Física del Espacio, CC 67, Suc. 28, 1428, Ciudad de Buenos Aires, Argentina
Department of Astronomy, University of Florida, PO Box 112055, Gainesville, FL 32611, United States
Grupo de Astronomía, Departamento de Física, Universidad de Concepcion, Casilla 160-C, Concepcion, Chile
Instituto de Astrofísica de Canarias, Calle Vía Lctea, E-38200, La Laguna, Tenerife, Spain
Palabras clave:Galaxies: individual: Small Magellanic Cloud; Galaxies: star clusters; Magellanic Clouds; Techniques: photometric
Año:2007
Volumen:381
Número:1
Página de inicio:L84
Página de fin:L88
DOI: http://dx.doi.org/10.1111/j.1745-3933.2007.00373.x
Título revista:Monthly Notices of the Royal Astronomical Society: Letters
Título revista abreviado:Mon. Not. R. Astron. Soc. Lett
ISSN:17453933
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17453933_v381_n1_pL84_Piatti

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Citas:

---------- APA ----------
Piatti, A.E., Sarajedini, A., Geisler, D., Gallart, C. & Wischnjewsky, M. (2007) . Two newly identified, relatively old star clusters in the Small Magellanic Cloud. Monthly Notices of the Royal Astronomical Society: Letters, 381(1), L84-L88.
http://dx.doi.org/10.1111/j.1745-3933.2007.00373.x
---------- CHICAGO ----------
Piatti, A.E., Sarajedini, A., Geisler, D., Gallart, C., Wischnjewsky, M. "Two newly identified, relatively old star clusters in the Small Magellanic Cloud" . Monthly Notices of the Royal Astronomical Society: Letters 381, no. 1 (2007) : L84-L88.
http://dx.doi.org/10.1111/j.1745-3933.2007.00373.x
---------- MLA ----------
Piatti, A.E., Sarajedini, A., Geisler, D., Gallart, C., Wischnjewsky, M. "Two newly identified, relatively old star clusters in the Small Magellanic Cloud" . Monthly Notices of the Royal Astronomical Society: Letters, vol. 381, no. 1, 2007, pp. L84-L88.
http://dx.doi.org/10.1111/j.1745-3933.2007.00373.x
---------- VANCOUVER ----------
Piatti, A.E., Sarajedini, A., Geisler, D., Gallart, C., Wischnjewsky, M. Two newly identified, relatively old star clusters in the Small Magellanic Cloud. Mon. Not. R. Astron. Soc. Lett. 2007;381(1):L84-L88.
http://dx.doi.org/10.1111/j.1745-3933.2007.00373.x