A new age-metallicity relation for galactic globular clusters in the alpha-enhanced scenario : cosmological implications.

Catelan , Marcio

Pontificia Universidad Católica de Chile

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Catelan , Marcio de Freitas Pacheco, J. A.

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Results of an exploratory analysis of the suggestion of Straniero (1991) to obtain, through the Delta(V) method, an age-metallicity for Galactic globular clusters in the alpha-enhanced scenario are presented. A new lower limit is derived for the age of the universe (about 17 Gyr). This value is discussed in the light of other observational constraints in the Hubble parameter-density parameter plane....

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Autor	Catelan , Marcio de Freitas Pacheco, J. A.
Título	A new age-metallicity relation for galactic globular clusters in the alpha-enhanced scenario : cosmological implications.
Fecha de publicación	1992
Resumen	Results of an exploratory analysis of the suggestion of Straniero (1991) to obtain, through the Delta(V) method, an age-metallicity for Galactic globular clusters in the alpha-enhanced scenario are presented. A new lower limit is derived for the age of the universe (about 17 Gyr). This value is discussed in the light of other observational constraints in the Hubble parameter-density parameter plane....
Derechos	acceso abierto
Enlace	https://www.researchgate.net/publication/234323734_A_new_age-metallicity_relation_for_Galactic_globular_clusters_in_the_alpha-enhanced_scenario_-_Cosmological_implications https://repositorio.uc.cl/handle/11534/83748
Tipo de documento	artículo