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Iraklis Konstantopoulos |
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"Intergalactic Star
Clusters" |
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Star cluster formation is not limited to the 'classical' environments of galactic spiral arms and bright bulges. Observations find clusters in all types of quiescent environments, supporting the existence of a single 'mode' of star formation. We present a study of young star clusters in the tidal tails of NGC 6872 and the intergalactic space of Stefan's Quintet. We will discuss our thorough spectroscopic measurements of age, metallicity, extinction and mass that were obtained using the Trancho method. Interestingly, we find very little that is 'interesting' in these environments - that is to say, they do not offer any special parameters as one might expect given their place of creation; the real interest lies in the way they relate to their galaxy-disk counterparts. From these results we draw implications on the cluster formation and evolution process. |