2010/02/28 by Bruno Dias, B. Dias, Paula Coelho +7 · 2 citations
Physics and Astronomy · #Astronomy #Astrophysics #Astrophysics and Star Formation Studies #Cluster (spacecraft) #Context (archaeology) #Demography #Galaxies: Formation, Evolution, Phenomena #Galaxy #Geography #Irregular galaxy #Large Magellanic Cloud #Lenticular galaxy #Metallicity #Physics #Population #Small Magellanic Cloud #Star cluster #Star formation #Stellar population #Stellar, planetary, and galactic studies #astro-ph.GA #astro-ph.SR
paper · pdf · doi:10.1051/0004-6361/200912894
published as Astronomy & Astrophysics, 2010, v.520, p.85 · 17 pages, 8 figures + 34 figures as appendix, published in A&A
openalex publication_date 2010/06/02 · arxiv created 2011/02/02 · arxiv updated 2015/03/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
<i>Context. <i/>Analysis of ages and metallicities of star clusters in the Magellanic Clouds provide information for studies on the chemical evolution of the Clouds and other dwarf irregular galaxies.<i>Aims. <i/>The aim is to derive ages and metallicities from integrated spectra of 14 star clusters in the Small Magellanic Cloud, including a few intermediate/old age star clusters.<i>Methods. <i/>Making use of a full-spectrum fitting technique, we compared the integrated spectra of the sample clusters to three different sets of single stellar population models, using two fitting codes available in the literature.<i>Results. <i/>We derive the ages and metallicities of 9 intermediate/old age clusters, some of them previously unstudied, and 5 young clusters.<i>Conclusions. <i/>We point out the interest of the newly identified as intermediate/old age clusters HW1, NGC 152, Lindsay 3, Lindsay 11, and Lindsay 113. We also confirm the old ages of NGC 361, NGC 419, Kron 3, and of the very well-known oldest SMC cluster, NGC 121.