The Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) Project III. Abundance Analysis of Three Bright Hamburg/ESO Survey Stars

Bibcode
2008ASPC..393..187D
Davies, L. A.; Frebel, A.; Cowan, J. J.; Allende Prieto, C.; Sneden, C.
Bibliographical reference

New Horizons in Astronomy: Frank N. Bash Symposium 2007 ASP Conference Series, Vol. 393, proceedings of the conference held 14-16 October 2007 at the University of Texas, Austin, Texas, USA. Edited by Anna Frebel, Justyn R. Maund, Juntai Shen, and Michael H. Siegel. San Francisco: Astronomical Society of the Pacific, 2008., p.187

Advertised on:
8
2008
Number of authors
5
IAC number of authors
0
Citations
10
Refereed citations
10
Description
We present an abundance analysis of three newly discovered stars from the Hamburg/ESO survey for which HET observations have been obtained as part of the CASH project. Light elemental abundances of all three stars agree with those of other metal-poor stars. This means that they likely formed from well-mixed gas. Upper limits on the heavier neutron-capture abundances have not eliminated the possibility that these stars are r-process enhanced. However, the measured barium abundances are rather low.
Type
Non-refereed

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