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Non-equilibrium Ionisation in Tycho’s Supemova Remnant

Published online by Cambridge University Press:  12 April 2016

W. Brinkmann
W. Brinkmann*
Affiliation:
Max-Planck-Institut für Physik und Astrophysik, Institut für Extraterrestrische Physik, 8046 Garching, F.R.G.

Abstract

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We present a detailed numerical study of the X-ray emission of Tycho’s supernova remnant. Using Nomoto’s W7 model of an exploding white dwarf as intial condition we follow the hydrodynamical and ionisation evolution for different densities of the interstellar medium and compare the emitted spectra with EXOSAT GSPC observations. The results indicate that the density of the ambient medium is 0.5 ≤ no ≤ 1.0 cm-3, the distance to Tycho is about 3 kpc.

Type
4. Supernova Remnants, Soft X-ray Background
Information
International Astronomical Union Colloquium , Volume 115: High Resolution X-ray Spectroscopy of Cosmic Plasmas , 1990 , pp. 156 - 159
Copyright
Copyright © Cambridge University Press 1990

References

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