Supernovae in cataclysmic variable systems and the formation of low-mass X-ray binaries

Details Supernovae in cataclysmic variable systems and the formation of low-mass X-ray binaries Supernovae in cataclysmic variable systems and the formation of low-mass X-ray binaries

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...279..166t&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 279, April 1, 1984, p. 166-176.

Astronomy and Astrophysics

Astrophysics

26

Binary Stars, Companion Stars, Stellar Evolution, Supernovae, Variable Stars, X Ray Binaries, X Ray Stars, Density Distribution, Stellar Envelopes, Stellar Mass, Velocity Distribution

Scientific paper

The hydrodynamical response of a companion star in a cataclysmic variable star system to the impact of an expanding supernova shell is investigated. The time dependence and two-dimensional geometrical aspects of the problem are considered for a range in companion star mass, supernova shell mass, and velocity. It is found that the momenum transferred to the companion star is less than that incident upon it and that the efficiency of momentum transfer is increased for low-mass companions. The efficiency, however, is greater for more massive companions. The kinetic energy in the shell incident on the companion star is deposited in only a small fraction of the stellar mass, so neither the star nor the binary system is disrupted. The computed results are used to calculate the change in the orbital parameters of the postsupernova system and to estimate the time required for the system to evolve the X-ray phase.

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