Simulating AXAF grating spectra of accreting white dwarfs

Details Simulating AXAF grating spectra of accreting white dwarfs Simulating AXAF grating spectra of accreting white dwarfs

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pasa...15..339t&link_type=abstract

Publications Astronomical Society of Australia, vol. 15, no. 3, p. 339-347

Astronomy and Astrophysics

Astronomy

4

Accretion, Binaries, White Dwarfs

Scientific paper

We present simulated AXAF spectra of accreting white dwarfs, using parameters appropriate for magnetic cataclysmic variables. The very high spectral resolution that can be obtained with the High-Energy Transmission Grating of AXAF can resolve the keV X-ray emission lines that characterise the temperature, density and velocity profiles of the shock-heated emission regions of these systems. These simulations demonstrate that actual spectra will allow us to place constraints on the white-dwarf mass and the accretion rate of the systems. The high-resolution spectra also allow the measurement of the velocity of the accretion flow in regions close to the white-dwarf surface.

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