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Massive star archeology in globular clusters

Published online by Cambridge University Press:  23 January 2015

W. Chantereau ,
C. Charbonnel  and
G. Meynet
W. Chantereau
Affiliation:
Departement of Astronomy, University of Geneva, 1290 Versoix, Switzerland email: william.chantereau@unige.ch
C. Charbonnel
Affiliation:
Departement of Astronomy, University of Geneva, 1290 Versoix, Switzerland email: william.chantereau@unige.ch IRAP, CNRS UMR 5277, Université de Toulouse, 31400 Toulouse, France
G. Meynet
Affiliation:
Departement of Astronomy, University of Geneva, 1290 Versoix, Switzerland email: william.chantereau@unige.ch
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Abstract

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Globular clusters are among the oldest structures in the Universe and they host today low-mass stars and no gas. However, there has been a time when they formed as gaseous objects hosting a large number of short-lived, massive stars. Many details on this early epoch have been depicted recently through unprecedented dissection of low-mass globular cluster stars via spectroscopy and photometry. In particular, multiple populations have been identified, which bear the nucleosynthetic fingerprints of the massive hot stars disappeared a long time ago. Here we discuss how massive star archeology can be done through the lense of these multiple populations.

Keywords

globular clusters: generalstars: evolutionstars: low-mass

References

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