Statistics – Computation
Scientific paper
Feb 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...313..298i&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 313, Feb. 1, 1987, p. 298-319.
Statistics
Computation
42
Electron Energy, Stellar Mass Accretion, Thermal Conductivity, Ultraviolet Spectra, White Dwarf Stars, X Ray Binaries, Computational Astrophysics, Radiative Heat Transfer, Shock Waves, Temperature Distribution
Scientific paper
The authors report the results of detailed numerical calculations of the shock structures and the X-ray and UV emission produced by spherical accretion onto nonmagnetic white dwarfs. These calculations improve on earlier work by allowing the temperatures of the electrons and the ions to differ and by including electron thermal conduction. These effects are important at high masses. It is found that they must be included in order to calculate accurate shock structures for white dwarfs more massive than 1 M_sun;, and accurate hard X-ray spectral temperatures and luminosities for white dwarfs more massive than 1.3 M_sun;. The results can be applied to magnetic white dwarfs as long as bremsstrahlung cooling of the emission region is more important than cyclotron cooling.
Durisen Richard H.
Imamura James N.
Lamb Don Q.
Weast G. J.
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