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Absorption-Line Spectra of Elliptical Galaxies and their Relation to Elliptical Formation

Published online by Cambridge University Press:  07 August 2017

S. M. Faber ,
Guy Worthey  and
J. Jesús Gonzalez
S. M. Faber
Affiliation:
UCO/Lick Observatories Board of Studies in Astronomy and Astrophysics University of California Santa Cruz, CA 95064 USA
Guy Worthey
Affiliation:
UCO/Lick Observatories Board of Studies in Astronomy and Astrophysics University of California Santa Cruz, CA 95064 USA
J. Jesús Gonzalez
Affiliation:
UCO/Lick Observatories Board of Studies in Astronomy and Astrophysics University of California Santa Cruz, CA 95064 USA

Abstract

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Recent spectral data strongly suggest that elliptical galaxies represent at least a two- and probably a three-parameter sequence: light-element abundance, iron-peak abundance, and probably age. These data are discussed in the context of new ideas about elliptical formation, including hierarchical clustering, merger-caused starbursts, and a variable IMF. Non-solar abundance ratios set important constraints on elliptical formation.

Type
III. The Stellar Populations of Non-Resolved Galaxies
Information
Symposium - International Astronomical Union , Volume 149: The Stellar populations of Galaxies , 1992 , pp. 255 - 265
Copyright
Copyright © Kluwer 

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