alpha-enhanced integrated Lick/IDS spectral indices (Lee+, 2005)

Computer Science

Scientific paper

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Clusters: Globular, Spectroscopy

Scientific paper

All 25 Lick/IDS spectral indices have been computed for the integrated light of simple stellar populations over broad ranges of age and metallicity and with effects from horizontal-branch stars fully implemented. Our models employ {alpha}-enhanced isochrones at the sub-solar metallicity regime, but solar-scaled ones at solar and super-solar metallicity. We have also employed the updated response functions of Houdashelt et al. (2002AAS...201.1405H) at the solar and super-solar metallicity regime, so that we could assess the light-element enhancement phenomena seen from metal-rich early-type galaxies.
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