Continuous star cluster formation in the spiral NGC 45

Details Continuous star cluster formation in the spiral NGC 45 Continuous star cluster formation in the spiral NGC 45

2005-08-31

arxiv.org/abs/astro-ph/0508677v1

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures. To appear in "Island Universes - Structure and Evolution of Disk Galaxies", Terschelling (Netherlands), Ju

Scientific paper

We determined ages for 52 star clusters with masses < 10^6 solar masses in the low surface brightness spiral galaxy NGC 45. Four of these candidates are old globular clusters located in the bulge. The remaining ones span a large age range. The cluster ages suggest a continuous star/cluster formation history without evidence for bursts, consistent with the galaxy being located in a relatively unperturbed environment in the outskirts of the Sculptor group.

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