Review presented at the Galaxy Formation Forum, Yonsei
University, 2010.
For a PDF version of the article, click here.
astro-ph/1009.0967
Abstract. I briefly review what has been recently learned from determinations of mean stellar ages and abundances from integrated light studies of early-type galaxies, and discuss some new questions posed by recent data. A short discussion of spectroscopic ages is presented, but the main focus of this review is on the abundances of Fe, Mg, Ca, N, and C, obtained from comparisons of measurements taken in integrated spectra of galaxies with predictions from stellar population synthesis models.
Keywords: galaxies: elliptical and lenticulars - galaxies: stellar content - galaxies: abundances - galaxies: evolution
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