Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.131..607s&link_type=abstract
(IAU, Colloquium on Cataclysmic Variables. Recent Multi-Frequency Observations and Theoretical Developments, 93rd, Bamberg, West
Astronomy and Astrophysics
Astrophysics
15
Cataclysmic Variables, Magnetic Stars, Spectral Energy Distribution, Stellar Mass Accretion, Stellar Models, Shock Waves, Ultraviolet Spectra, Visible Spectrum
Scientific paper
Previous shock models for the AM Herculis-type magnetic variables have assumed homogeneous accretion columns, with constant infall densities out to a characteristic column radius. The resulting energy distributions are strongly peaked in the visible to ultraviolet and are in disagreement with observations. The authors report the preliminary results of calculations with more general radial functions of the infall density. Exponential and gaussian profiles yield continua similar to those of the standard model. More tapered, power-law profiles produce continua which are flatter and in better agreement with observations. Comparisons are made to data for AM Her and E 2003+225.
Lubenow A. F.
Stockman Hervey S.
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