期刊
ASTRONOMY & ASTROPHYSICS
卷 373, 期 1, 页码 211-221出版社
EDP SCIENCES S A
DOI: 10.1051/0004-6361:20010600
关键词
stars : cataclysmic variables; stars : white dwarfs; stars : binaries : close; radiative transfer; hydrodynamics
We have solved the one-dimensional stationary two-fluid hydrodynamic equations for post-shock flows on accreting magnetic white dwarfs simultaneous with the fully frequency and angle-dependent radiative transfer for cyclotron radiation and bremsstrahlung. Magnetic field strengths B = 10 to 100 MG are considered. At given B, this theory relates the properties of the emission region to a single physical parameter, the mass ow density (or accretion rate per unit area) (m) over dot. We present the normalized temperature profiles and fit formulae for the peak electron temperature, the geometrical shock height, and the column density of the post-shock ow. The results apply to pillbox-shaped emission regions. With a first-order temperature correction they can also be used for narrower columns provided they are not too tall.
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