Kayser, Adrea; Grebel, E K; Harbeck, Daniel; Cole, Andrew; Koch, Andreas; Glatt, Katharina; Gallagher, John S; Da Costa, Gary
The Small Magellanic Cloud (SMC) is the only dwarf galaxy in the Local Group that is known to have formed and preserved populous star clusters continuously over the past 12 Gyr. Due to its proximity ( 60 kpc), stars can be resolved well below the oldest main sequence turnoff points. This facilitates accurate age and metallicity determinations without suffering from the age-metallicity degeneracy. Therefore, the SMC star clusters provide a unique closely spaced set of single-age,...[Show more]
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