Helium detonation in pancake stars

Details Helium detonation in pancake stars Helium detonation in pancake stars

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...145..387p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 145, no. 2, April 1985, p. 387-390.

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9

Black Holes (Astronomy), Helium, Nuclear Fusion, Stellar Models, Stellar Structure, Computational Astrophysics, Detonation, Galactic Nuclei, Orbital Elements, Roche Limit, Tides

Scientific paper

Within the framework of the adiabatic affine model, the conditions of helium detonation in the core of a star highly compressed by external tidal forces when it penetrates deeply into the Roche radius of a giant black hole are examined. It is shown that significant helium detonation occurs for lower main-sequence star cores with penetration factors greater than 13. For the more extreme events, the nature and abundance of the principal elements, such as Si-26, Si-28 (and their different by-products), Mg-22, and Ne-18, that are synthesized during the very hot pancake phase, are determined.

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