Reflection of X rays by neutron star surfaces

Details Reflection of X rays by neutron star surfaces Reflection of X rays by neutron star surfaces

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.271..216l&link_type=abstract

Nature, vol. 271, Jan. 19, 1978, p. 216-220.

Physics

18

Neutron Stars, Pulsars, Wave Reflection, X Ray Stars, X Rays, Binary Stars, Cyclotron Frequency, Reflectance, Stellar Magnetic Fields

Scientific paper

The X-ray reflectivity of a neutron star surface is calculated as a function of photon energy, polarization, and angle of incidence under idealized conditions. It is assumed that the plane surface represents a sharp transition from vacuum to the high density surface matter. The X-ray optical properties of the surface will depend on the electron plasma frequency and on the electron cyclotron frequency. X-ray reflectivities as a function of photon energy for different polarizations of the incoming photons and grazing angles between 10 and 80 deg are presented in a graph. Possible deviations expected to occur in the case of real neutron star surfaces are discussed and a summary is provided concerning some expected observational effects which may be significant for systems like Her X-1.

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