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From Young to Old: Spectral Models for Star Cluster Systems

Published online by Cambridge University Press:  30 March 2016

Uta Fritze – v. Alvensleben ,
Peter Anders  and
Richard de Grijs
Uta Fritze – v. Alvensleben
Affiliation:
Universitätssternwarte Göttingen, Geismarlandstr. 11, 37083 Göttingen, Germany
Peter Anders
Affiliation:
Universitätssternwarte Göttingen, Geismarlandstr. 11, 37083 Göttingen, Germany
Richard de Grijs
Affiliation:
Department of Physics & Astronomy, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH, UK

Abstract

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Evolutionary synthesis models for star clusters of various metallicities, including gaseous emission during the lifetime of the ionizing stars, are used to model star cluster systems comprising two populations: an old metal-poor globular cluster (GC) population similar to that of the Milky Way halo, and a second GC population of arbitrary metallicity. We investigate the time evolution of color distributions and luminosity functions for the two GC populations and compare with observations of E/SO galaxies. We show that multi-passband data for GC populations give clues to the relative ages and metallicities of the two subpopulations, and help constrain formation scenarios for their parent galaxies.

Type
JD6: Extragalactic Globular Clusters & Their Host Galaxies
Information
Highlights of Astronomy , Volume 13 , 2005 , pp. 187 - 188
Copyright
Copyright © Astronomical Society of Pacific 2005

References

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