Galactic Evolution of the Light Elements: A New Set of B Observations

Details Galactic Evolution of the Light Elements: A New Set of B Observations Galactic Evolution of the Light Elements: A New Set of B Observations

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998ssrv...84..161p&link_type=abstract

Space Science Reviews, v. 84, Issue 1/2, p. 161-166 (1998).

Physics

Abundances, Light Elements, Stellar Structure

Scientific paper

The boron 2500 Angstroms spectral region has been observed with the Goddard High Resolution Spectrograph (GHRS) of the Hubble Space Telescope (HST) in a new set of metal-poor stars and analyzed by spectrum synthesis technique, adopting the most recent model atmospheres. By taking into account the Li and Be abundances available from the literature for this same set of objects, the resulting patterns of their light elements abundances cannot be easily justified with the currently known stellar structure scenarios. The finding of real differences in the B content between stars with very similar stellar characteristics suggest that also production effects, rather than depletion and/or mixing only, should be taken into account as a possible and valuable explanation.

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