Radiative transfer and gas dynamics in galactic X-ray sources

Details Radiative transfer and gas dynamics in galactic X-ray sources Radiative transfer and gas dynamics in galactic X-ray sources

Dec 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976phdt.........8h&link_type=abstract

Ph.D. Thesis Colorado Univ., Boulder.

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Galactic Radiation, Gas Dynamics, Radiative Transfer, X Ray Sources, Gas Flow, Gas Ionization, Stellar Luminosity, Ultraviolet Radiation

Scientific paper

Galactic X-ray sources, particularly binary sources, are investigated by studying the transfer of radiation from a point source of X-rays through a given gas distribution and by considering how the radiation affects the gas flow. The simple case of radiative transfer through a constant density gas is investigated first. A scaling law for optically thick cases is derived. The temperature and ionization structure are sensitive to the X-ray source spectrum, particularly to the relative luminosity in soft X-rays. The emerging spectrum is rich in optical, UV, and X-ray emission lines. Investigations of the radiative transfer from an X-ray source through a stellar wind from a companion star show observable geometric effects that can be used to derive some parameters of X-ray binary systems and to set constraints on others.

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