Leaded Metal-Poor Stars

Details Leaded Metal-Poor Stars Leaded Metal-Poor Stars

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005rmxac..23...35s&link_type=abstract

The Ninth Texas-Mexico Conference on Astrophysics (Eds. S. Torres-Peimbert & G. MacAlpine) Revista Mexicana de Astronomía y Astr

Astronomy and Astrophysics

Astrophysics

Nuclear Reactions, Nucleosynthesis, Abundances, Stars: Abundances, Stars: Agb And Post-Agb, Stars: Binaries, Stars: Blue Stragglers, Stars: Individual (Cs29497-030), Stars: Population Ii

Scientific paper

The spectra of low metallicity stars with large abundances of carbon and neutron-capture elements are discussed, with special emphasis on the blue metal-poor star CS9497-030, which has an extremely large abundance of lead. This object, like essentially all of its class, has obvious enhancements of the products of slow neutron-capture nucleosynthesis, probably delivered to it by a former asymptotic branch companion star. However, its neutron-capture abundance cannot be explained entirely in this fashion; significant prior contributions from rapid neutron-capture processes seem to be required.

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