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Formation History of Stars and Star Clusters in Nearby Galaxies

Published online by Cambridge University Press:  01 December 2006

S. S. Larsen ,
M. D. Mora ,
J. P. Brodie  and
T. Richtler
S. S. Larsen
Affiliation:
Astronomical Institute, University of Utrecht, Princetonplein 5, 3584 CC, Utrecht, The Netherlands email: larsen@astro.uu.nl
M. D. Mora
Affiliation:
European Southern Observatory, Karl-Schwarzschild-Strasse 2, 85748 Garching bei München, Germany email: mmora@eso.org
J. P. Brodie
Affiliation:
UCO/Lick Observatory, 1156 High Street, University of California, Santa Cruz, 95064 CA, USA email: brodie@ucolick.org
T. Richtler
Affiliation:
Astronomy Group, Universidad de Concepción, Departamento de Física, Casilla 160-C, Concepción, Chile email: tom@mobydick.cfm.udec.cl
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Abstract

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We present first results from an HST/ACS imaging survey of stars and star clusters in five nearby spiral galaxies. This contribution concentrates on NGC 1313, a highly distorted late-type barred spiral. We compare the field star and cluster formation histories in our three ACS pointings for this galaxy. In one pointing, both the cluster and field star age distributions show clear evidence for a ramp-up in the star formation rate about 108 years ago.

Keywords

galaxies: evolutiongalaxies: star clustersgalaxies: stellar content
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S241: Stellar Populations as Building Blocks of Galaxies , December 2006 , pp. 435 - 439
Copyright
Copyright © International Astronomical Union 2007

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