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Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing

Date

Authors

Arnone, E

Ryan, Sean G

Argast, D

Norris, John

Beers, Timothy C

Publisher

Springer

Abstract

We present results of a detailed chemical analysis performed on 23 main-sequence turnoff stars having -3.4 ≤ [Fe/H] ≤ -2.2, a sample selected to be highly homogeneous in Teff and log(g). We investigate the efficiency of mixing in the early Galaxy by m

Keywords

Keywords: Astrophysics; Composition; Cooling; Error analysis; Magnesium printing plates; Mathematical models; Measurement errors; Mixing; Galaxy: evolution; Galaxy: formation; Galaxy: halo; Stars: abundances; Stars: population II; Galaxies Galaxy: evolution; Galaxy: formation; Galaxy: halo; Stars: abundances; Stars: Population II

URI

http://hdl.handle.net/1885/81441

Collections

ANU Research Publications

Source

Astronomy and Astrophysics

Type

Journal article

DOI

10.1051/0004-6361:20041034

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