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The Star Formation History of Elliptical Galaxies

Published online by Cambridge University Press:  25 May 2016

Roger L. Davies
Roger L. Davies*
Affiliation:
Department of Physics, University of Durham, South Rd., Durham, U.K., DH1 3LE

Abstract

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There is a growing body of evidence indicating young ages, 8 ± 3 Gyrs, for elliptical galaxies and significant age gradients with a younger population residing at the centre. The data appear to be consistent with a scenario where elliptical galaxies are assembled hierarchically with low luminosity galaxies forming first. Late star formation, associated with the last merging event and usually involving only a small fraction of the galaxy mass, could then account for the low age estimates of some luminous galaxies.

Type
Elliptical Galaxies
Information
Symposium - International Astronomical Union , Volume 171: New Light on Galaxy Evolution , 1996 , pp. 37 - 45
Copyright
Copyright © Kluwer 1996 

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