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Ages and metallicities of M31 star clusters

Published online by Cambridge University Press:  07 August 2017

P. Jablonka ,
D. Alloin  and
E. Bica
P. Jablonka
Affiliation:
Observatoire de Meudon, D.A.E.C, URA 173 CNRS, 92195 Meudon, France
D. Alloin
Affiliation:
Observatoire de Meudon, D.A.E.C, URA 173 CNRS, 92195 Meudon, France
E. Bica
Affiliation:
Instituto de Fisica, UFRGS, Caixa Postal 15051, 9500, Porto Alegre, Brazil

Abstract

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We present recent analysis of star star clusters in M31

Recently, Jablonka, Alloin and Bica (1991) (herafter JAB) aimed at studying the properties of M31's star clusters and at enlarging the data base of star cluster integrated properties (Bica and Alloin, 1987) at high metallicities, for population synthesis purpose.

We have obtained spectra for 9 clusters in M31, 7 globular clusters, G1, G78, G158, G170, G177, G219, G222 and 2 open clusters, C107 and C130. Those spectra cover a wide wavelength range (3500å– 9800å) which allows one to confidently disentangle age, metallicity and reddening effects.

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 149: The Stellar populations of Galaxies , 1992 , pp. 436
Copyright
Copyright © Kluwer 

References

Bica, E., Alloin, D., 1986b, A&AS, 66, 171.Google Scholar
Burstein, D., Heiles, C., 1984, ApJS 54, 33.Google Scholar
Jablonka, P., Alloin, D., Bica, E., 1991, in press.Google Scholar