The X-ray spectral properties of accretion discs in X-ray binaries

Details The X-ray spectral properties of accretion discs in X-ray binaries The X-ray spectral properties of accretion discs in X-ray binaries

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...324..363w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 324, Jan. 1, 1988, p. 363-378.

Astronomy and Astrophysics

Astronomy

214

Accretion Disks, Neutron Stars, Spaceborne Astronomy, Stellar Spectrophotometry, X Ray Binaries, X Ray Spectra, Black Body Radiation, Black Holes (Astronomy), Compton Effect, Emission Spectra, Molecular Clouds, Stellar Models

Scientific paper

Using EXOSAT observations, the spectral properties of the persistent emission from a number of X-ray burst sources, high-luminosity low-mass X-ray binaries, and galactic black hole candidates are compared with various models for X-ray emission from an accretion disk surrounding a compact object in a binary system. These models include the optically thick blackbody disk model considered by Mitsuda et al., two different disk models where the blackbody spectrum is modified by electron scattering, and a model where losses by the Comptonization of cool photons on hot electrons dominates the spectral formation. It is found that only a Comptonization model provides a good fit to all the spectra considered.

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