X-ray emission of the supernova remnants in the nonuniform interstellar medium

Details X-ray emission of the supernova remnants in the nonuniform interstellar medium X-ray emission of the supernova remnants in the nonuniform interstellar medium

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kpcbs...3..130h&link_type=abstract

Kinematics and Physics of Celestial Bodies, Supplement Series, Vol. 3, p. 130

Physics

Supernova Remnants, Hydrodynamics, X-Rays

Scientific paper

Large-scale gradient of the interstellar medium density distribution essentially affects the evolution of supernova remnants. To model this influence, a new approximate analytical method for the full hydrodynamical description of 3D point-like explosions in the non-uniform media with arbitrary density distribution is developed. General features of the evolution of the adiabatic supernova remnants in the medium with a large-scale density gradient are investigated. Real anisotropy of the remnants increases with age, but the visible shape remains close to spherical. X-ray emission characteristics from the entire SNR (luminosity, spectral index) are close to those in the spherical Sedov case with the same initial data. However, the surface distribution of the X-ray emission characteristics is very sensitive to the initial density distribution around the Supernova progenitor.

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