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The lithium isotope ratio and beryllium in halo stars

Published online by Cambridge University Press:  23 December 2005

Megan C. Novicki  and
Ann M. Boesgaard
Megan C. Novicki
Affiliation:
Institute for Astronomy, University of Hawaii, Honolulu, HI, 96822, USA email: mnovicki@ifa.hawaii.edu, boes@ifa.hawaii.edu
Ann M. Boesgaard
Affiliation:
Institute for Astronomy, University of Hawaii, Honolulu, HI, 96822, USA email: mnovicki@ifa.hawaii.edu, boes@ifa.hawaii.edu
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Abstract

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The rare light elements — Li, Be, and B — have a unique and highly coupled history in the Universe. A coordinated analysis of their abundances in very low metallicity stars can help us understand the inner workings of stars and can constrain models of Galactic chemical evolution. We measure the Be abundances of nine stars and the Li isotopic ratio of ten stars. We find three stars with interesting Be abundances and three stars with detectable $^6$Li.

Keywords

Stars: abundancesblue stragglersstars: Population IIsubdwarfs
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S228: From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution , May 2005 , pp. 103 - 106
Copyright
© 2005 International Astronomical Union