On the stability of degenerate dwarf radiative shocks - New one- and two-temperature calculations

Details On the stability of degenerate dwarf radiative shocks - New one- and two-temperature calculations On the stability of degenerate dwarf radiative shocks - New one- and two-temperature calculations

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...346..833w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 346, Nov. 15, 1989, p. 833-843. Research supported by the U.S. Navy.

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Computation

28

Computational Astrophysics, Degenerate Matter, Shock Waves, White Dwarf Stars, X Ray Binaries, Bremsstrahlung, Electron Energy, Main Sequence Stars, Stellar Models, Stellar Oscillations

Scientific paper

The present numerical hydrodynamic calculations of radiative shock structure and evolution in degenerate dwarf accretion flows give attention to their stability properties; this is, moreover, the first systematic study of the time-dependent behavior of radiative shocks assuming unequal ion and electron temperatures. The results obtained are applied to the observed quasi-periodic oscillations seen in four AM Her stars, and it is concluded that the observed quasi-periodic optical oscillations can be explained by the shock oscillation model.

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