Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20916806r&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #168.06; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
Scientific paper
The very low metal stars ([Fe/H] < -3.0) were formed in the earliest days of the galaxy. Spallation reactions, the main progenitor of Be, are tied to the rate of supernovae. Therefore, the abundance of Be in low metal, older stars is a tracer of massive star formation within our galaxy. There is also evidence of a primordial Be plateau at very low metallicities, a result of some inhmogeneous Big-Bang models. We analyze high S/N HIRES spectra (resolution of 45,000) of several very low metal stars taken with the Keck I telescope on Mauna Kea in order to determine the history of Be abundance and explore the possible Be plateau.
This research was supported by NSF through a grant to AMB, AST05-05899.
Boesgaard Ann
Rich Jeffrey
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