Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-09-06
Astronomy and Astrophysics
Astrophysics
8 pages, Latex, 3 figures, To appear in the proceedings of New Horizons in Globular Cluster Astronomy ed. G. Piotto, G. Meylan
Scientific paper
The superior resolution of HST and the light gathering power of large 8-10m class telescopes are now providing information on distant globular clusters (GCs) that is comparable to that obtained in early 1990s for Local Group systems. Here I summarise what has been learnt from the imaging and limited spectroscopy of GCs in other galaxies. The GC systems of spirals and ellipticals reveal remarkable similarities. The vast bulk of GCs appear to have formed at early epochs, with mergers making a limited contribution to the overall GC system at later epochs. These observational findings are placed in the context of galaxy formation.
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