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Abstract:

We present the results on the age and metallicity estimates of nine Small Magellanic Cloud (SMC) clusters (AM3, HW31, 40, 41, 42, 59, 63, L91 and NGC339) obtained from CCD WashingtonCT1T2 photometry. We confirm AM3 and NGC339 as intermediate-age and metal-poor clusters, and report for the first time that the remaining seven clusters are also intermediate-age or old clusters (t~ 4.3-9.3Gyr), which represents an increase of ≳60 per cent of the total known intermediate-age/old cluster population in the SMC. The studied clusters have metal contents ranging from intermediate metal-poor ([Fe/H] ≈-0.7dex) down to metal-poor ([Fe/H] ≈-1.3dex) values. © 2011 The Author Monthly Notices of the Royal Astronomical Society © 2011 RAS.

Registro:

Documento: Artículo
Título:New candidate intermediate-age star clusters in the Small Magellanic Cloud
Autor:Piatti, A.E.
Filiación:Instituto de Astronomía y Física del Espacio, CC 67, Suc. 28, 1428 Ciudad de Buenos Aires, Argentina
Palabras clave:Galaxies: individual: SMC; Galaxies: star clusters; Magellanic Clouds; Techniques: photometric
Año:2011
Volumen:416
Número:1
Página de inicio:L89
Página de fin:L93
DOI: http://dx.doi.org/10.1111/j.1745-3933.2011.01105.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_v416_n1_pL89_Piatti

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Citas:

---------- APA ----------
(2011) . New candidate intermediate-age star clusters in the Small Magellanic Cloud. Monthly Notices of the Royal Astronomical Society: Letters, 416(1), L89-L93.
http://dx.doi.org/10.1111/j.1745-3933.2011.01105.x
---------- CHICAGO ----------
Piatti, A.E. "New candidate intermediate-age star clusters in the Small Magellanic Cloud" . Monthly Notices of the Royal Astronomical Society: Letters 416, no. 1 (2011) : L89-L93.
http://dx.doi.org/10.1111/j.1745-3933.2011.01105.x
---------- MLA ----------
Piatti, A.E. "New candidate intermediate-age star clusters in the Small Magellanic Cloud" . Monthly Notices of the Royal Astronomical Society: Letters, vol. 416, no. 1, 2011, pp. L89-L93.
http://dx.doi.org/10.1111/j.1745-3933.2011.01105.x
---------- VANCOUVER ----------
Piatti, A.E. New candidate intermediate-age star clusters in the Small Magellanic Cloud. Mon. Not. R. Astron. Soc. Lett. 2011;416(1):L89-L93.
http://dx.doi.org/10.1111/j.1745-3933.2011.01105.x