Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...371..648b&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 371, April 20, 1991, p. 648-664. DOE-supported research. Previously announc
Astronomy and Astrophysics
Astrophysics
12
Blue Stars, Boron Isotopes, Galactic Evolution, Light Elements, Lithium Isotopes, Red Giant Stars, Shock Waves, Supernovae, Cosmology, Hydrodynamics, Hydrogen, Sensitivity, Stellar Mass, Stellar Models
Scientific paper
Detailed hydrodynamic modeling of the passage of supernova shocks through the hydrogen enevlopes of blue and red progenitor stars was carried out to explore the sensitivity to model conditions of light element production (specifically Li7 and B-11) which was noted by Dearborn, Schramm, Steigman and Truran (1989) (DSST). It is found that, for stellar models with M is less than or approximately 100 M solar mass, current state of the art supernova shocks do not produce significant light element yields by hydrodynamic processes alone. The dependence of this conclusion on stellar models and on shock strengths is explored. Preliminary implications for Galactic evolution of lithium are discussed, and it is suspected that intermediate mass red giant stars may be the most consistent production site for lithium.
Brown Lawrence E.
Dearborn David S.
Kurokawa Shin
Larsen Jon T.
Schramm David N.
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