Hydrogen burning and dredge-up during the major core helium flash in a Z = 0 model star

Details Hydrogen burning and dredge-up during the major core helium flash in a Z = 0 model star Hydrogen burning and dredge-up during the major core helium flash in a Z = 0 model star

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...351..245h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 351, March 1, 1990, p. 245-257. Research supported by the National Center f

Astronomy and Astrophysics

Astrophysics

62

Helium, Hydrogen, Nuclear Astrophysics, Stellar Evolution, Stellar Interiors, Stellar Models, Abundance, Convection, Metallicity, Nuclear Fusion, Stellar Envelopes, Stellar Luminosity

Scientific paper

The basic evolution of the core helium flash in a Z = 0 model star is studied, analyzing the manner in which both a hydrogen-burning and a helium-burning convective shell can form. The manner in which CN-enhanced material is dredged up to the stellar surface is addressed. A numerical experiment is presented to determine the importance of opacity during the dredge-up phase. The implications that the Z = 0 model has for understanding of Population III stars is discussed.

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