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Age and metallicity of the bulges in lenticular galaxies

Published online by Cambridge University Press:  01 July 2007

Olga K. Sil'chenko
Olga K. Sil'chenko*
Affiliation:
Sternberg Astronomical Institute, Moscow 119991, Russia email: olga@sai.msu.su
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Abstract

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Panoramic spectroscopy of the sample of 80 nearby lenticular galaxies is presented. The SSP-equivalent ages, [Z/H], and [Mg/Fe] are determined through the Lick indices Hβ, Mgb, and 〈Fe〉 separately for the nuclei and for the bulges. About a half of the sample contain chemically distinct nuclei, more metal-rich and younger than the bulges. The statistics of stellar population properties for the nearby S0s is discussed.

Keywords

galaxies: elliptical and lenticularcDgalaxies: bulgesgalaxies: evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S245: Formation and Evolution of Galaxy Bulges , July 2007 , pp. 277 - 280
Copyright
Copyright © International Astronomical Union 2008

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