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Title:
Abundance of barium in metal poor stars.
Authors:
Francois, P.
Publication:
Astronomy and Astrophysics, v.313, p.229-233 (A&A Homepage)
Publication Date:
09/1996
Origin:
A&A via CDS
A&A Keywords:
STARS: POPULATION II, ABUNDANCES
Bibliographic Code:
1996A&A...313..229F

Abstract

Abundance determination of barium in a sample of metal poor stars has been performed using high resolution, high S/N ratio spectra. These data have been combined with recent abundance determinations of europium. A plot of [Eu/H] as a function [Ba/H] shows a tight correlation with a single slope different from 45deg. The interpretation of these data does not seem to require the hypothesis of an r-process synthesis of barium in the early galactic history.

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Database: Astronomy
Physics
arXiv e-prints