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ESO ASTROPHYSICS SYMPOSIA, p. 135-136

DOI: 10.1007/10719504_23

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Synthetic Stellar Clusters for Pop III

Journal article published in 1970 by Gabriella Raimondo ORCID, Enzo Brocato, Santi Cassisi ORCID, Vittorio Castellani
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We present preliminary results of an incoming theoretical work concerning the integrated properties of the Population III clusters of stars. On the basis of synthetic Color-Magnitude Diagrams, we provide a grid of optical and near-IR colors of Simple Stellar Populations with very low metallicity (Z=10$^{-10}$ and Z=10$^{-6}$) and age which spans from 10 Myr to 15 Gyr. A comparison with higher metallicities up to 0.006 is also shown, disclosing sizable differences in the CMD morphology, integrated colors and Spectral Energy Distribution (SED). Comment: 2 pages, incl. 2 figures, "The First Stars", Proceedings of the second MPA/ESO workshop, Eds.: Weiss, Abel, Hill, Springer, Heidelberg, 2000