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).
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Raimondo, G., Brocato, E., Cassisi, S., Castellani, V. Synthetic Stellar Clusters for Pop III. In: Weiss, A., Abel, T.G., Hill, V. (eds) The First Stars. ESO ASTROPHYSICS SYMPOSIA. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10719504_23
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DOI: https://doi.org/10.1007/10719504_23
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-67222-7
Online ISBN: 978-3-540-46461-7
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