Age determination of metal-poor halo stars using nucleochronometry

Age determination of metal-poor halo stars using nucleochronometry

I describe the method of nucleochronometry for determining individual ages of stars, and report on results of the application of this method to old, metal‐poor stars belonging to the Galactic halo population. I discuss uncertainties and caveats of this age determination method.

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Veröffentlicht in:Astronomische Nachrichten 2016-09, Vol.337 (8-9), p.931-934
1. Verfasser: Christlieb, N.
Format: Artikel
Sprache:eng
Schlagworte:
Age determination
Astrophysics
CS 22892-052
CS 29497-004
CS 31082-001
Evolution
Galactic halos
Halos
HD 221170
HE 1523-0901
Metallicity
Stars
Stars & galaxies
stars: abundances
stars: individual (BD+17°3248
stars: individual (BD+17°3248, CS 22892‐052, CS 29497‐004, CS 31082‐001, HD 221170, HE 1523–0901)
Stellar age
Uncertainty
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Beschreibung
Zusammenfassung:I describe the method of nucleochronometry for determining individual ages of stars, and report on results of the application of this method to old, metal‐poor stars belonging to the Galactic halo population. I discuss uncertainties and caveats of this age determination method.
ISSN:0004-6337
1521-3994
DOI:10.1002/asna.201612401