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A possible reconcilliation among different RR Lyrae absolute magnitude calibrations and implications for the age-metallicity relation

Published online by Cambridge University Press:  07 August 2017

Márcio Catelan
Márcio Catelan*
Affiliation:
Instituto Astronômico e Geofísico, Universidade de SÃo Paulo CP 9638, 01065 SÃo Paulo, SP Brasil

Abstract

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A semi-empirical scenario is suggested which tentatively accounts for the (otherwise conflicting) slopes of the several available RR Lyrae absolute magnitude calibrations. This scenario implies a very small dependence of cluster ages upon metallicity.

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 149: The Stellar populations of Galaxies , 1992 , pp. 403
Copyright
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