New Roads for Understanding the Stellar Populations in Early-Type Galaxies

Details New Roads for Understanding the Stellar Populations in Early-Type Galaxies New Roads for Understanding the Stellar Populations in Early-Type Galaxies

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..374..361v&link_type=abstract

From Stars to Galaxies: Building the Pieces to Build Up the Universe. ASP Conference Series, Vol. 374, proceedings of the confer

Statistics

Methodology

Scientific paper

We present new tools for improving our abilities for disentangling relevant stellar population parameters in early-type galaxies. To develop these tools we use stellar population synthesis models predicting spectra for old and intermediate-aged stellar populations at moderately high resolution. We propose new indices to lift the age/metallicity degeneracy, which do not need to be restricted to standard spectroscopic definitions. We use this methodology to explore various approaches that might provide further clues on galaxy formation and evolution.

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