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Beryllium and Lithium Abundances in Stars with a Range of Metallicities

  • Ramon J. Garcia Lopez (a1), Eduardo L. Martin (a1), Rafael Rebolo (a1), John E. Beckman (a1), Conal D. Mckeith (a2), John K. Webb (a3) and Yakov V. Pavlenko (a4)...

Abstract

We present new beryllium abundances for three unevolved stars with [Fe/H] in the range −0.4 to −1.6. The Be II doublet is detected in the three stars. A spectral synthesis analysis has been conducted to derive the abundances. We briefly discuss their Be and Li abundances, together with a wide sample of stars from the literature, in the context of mixing processes below the convection zone.

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References

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García López, R.J., and Spruit, H.C. 1991, Ap. J., 377, 268.
Rebolo, R., García López, R.J., Martín, E.L., Beckman, J.E., McKeith, C.D., Webb, J.K., and Pavlenko, Y.V. 1992, “On the Origin of the Elements”, Eds. Prantzos, N., Cassé, M., and Vangioni-Flam, E., in press.
Spite, F., and Spite, M. 1982, Astr. Ap., 115, 357.

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