Supernovae in close binaries

Details Supernovae in close binaries Supernovae in close binaries

Nov 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974ap%26ss..31...49c&link_type=abstract

Astrophysics and Space Science, vol. 31, Nov. 1974, p. 49-56.

Astronomy and Astrophysics

Astrophysics

18

Binary Stars, Companion Stars, Momentum Transfer, Stellar Envelopes, Supernovae, Impact Damage, Inelastic Collisions, Main Sequence Stars, Shock Wave Propagation, Stellar Evolution

Scientific paper

The impact of a supernova shell onto 2.82 and 20.0 solar mass main-sequence stars is investigated for various initial orbital separations, and various supernova shell masses and velocities. The inelastic collision between the star and the supernova shell, the shock propagation into the companion star, and other forms of momentum transfer such as the rocket effect are considered. The total momentum transfer due to the supernova is insufficient to eject the companion from the binary as long as the companion retains most of its mass, regardless of the initial orbital separation. Ejection of the companion may occur if the companion is nearly destroyed. Even in contact binaries destruction does not necessarily occur, and if the orbital separation exceeds 10 to the 12-th power cm, destruction of the companion becomes quite unlikely.

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