University of Birmingham > Talks@bham > Astrophysics Seminars > The exciting life of old stellar clusters

The exciting life of old stellar clusters

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If you have a question about this talk, please contact Sean McGee.

Globular clusters are among the oldest and brightest structures in the Universe, and are therefore witnesses of processes from the early up to the present-day Universe. In turn, they play a major role in the benchmark for stellar evolution theory and they are used to constrain the assembly histories of galaxies. Over the last decades, several pieces of ground-breaking observational evidence were accumulated pointing out the presence of multiple stellar populations with different chemical compositions in every individual globular cluster studied in detail so far. I will review the effects of chemical features typical of these multiple populations on the evolution of stars and I will show their impact on the properties of their hosting cluster. Finally, I will briefly discuss their effect at larger scales on external galaxies.

This talk is part of the Astrophysics Seminars series.

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