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The Age Ladder from Low- to High-Redshift Populations

Published online by Cambridge University Press:  07 August 2017

Alvio Renzini
Alvio Renzini*
Affiliation:
Astronomy Department, University of Bologna, CP 596 I-40100 Bologna, Italy

Abstract

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The determination of the age of stellar populations in progressively more distant stellar systems requires successive calibrations which in some way remind the procedures followed in determining astronomical distances. A few exemplifications of this Age Ladder are schematically reviewed, such as the determination of the age of galactic globular clusters, of the youngest population in bulges and ellipticals, and of the most distant, high redshift radiogalaxies.

Type
III. The Stellar Populations of Non-Resolved Galaxies
Information
Symposium - International Astronomical Union , Volume 149: The Stellar populations of Galaxies , 1992 , pp. 325 - 336
Copyright
Copyright © Kluwer 

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