Fundamental studies in X-ray astrophysics

Details Fundamental studies in X-ray astrophysics Fundamental studies in X-ray astrophysics

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sao..rept.....l&link_type=abstract

Semiannual Progress Report, 15 Oct. 1981 - 14 Apr. 1982 Smithsonian Astrophysical Observatory, Cambridge, MA.

Astronomy and Astrophysics

Astrophysics

Black Body Radiation, Dwarf Stars, Stellar Radiation, X Ray Astronomy, Astrophysics, Binary Systems (Materials), Ionization

Scientific paper

An analytical model calculation of the ionization structure of matter accreting onto a degenerate dwarf was carried out. Self-consistent values of the various parameters are used. The possibility of nuclear burning of the accreting matter is included. We find the blackbody radiation emitted from the stellar surface keeps hydrogen and helium ionized out to distances much larger than a typical binary separation. Except for low mass stars or high accretion rates, the assumption of complete ionization of the elements heavier than helium is a good first approximation. For low mass stars or high accretion rates the validity of assuming complete ionization depends sensitivity on the distribution of matter in the binary system.

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