Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996rftu.proc..229t&link_type=abstract
International Conference on X-ray Astronomy and Astrophysics: Röntgenstrahlung from the Universe, p. 229 - 232
Astronomy and Astrophysics
Astrophysics
2
Supernova Remnants: X-Ray Spectra
Scientific paper
The authors report the observational results of two young SNRs, Kepler's SNR and Cas A, observed with the ASCA SIS in the energy range of 0.5-10 keV. The X-ray spectrum of Kepler's SNR can be well represented by a multi-Te model whose Te distribution is based on the reverse shock model. The authors derive the metal abundances by using K-X ray lines which favors the Type I origin. The authors obtain spatially resolved X-ray spectra of Cas A. Line center energies for various emission lines differ from position to position which can be attributed to the Doppler shift. The velocity fields of Si, S and Fe are qualitatively similar to each other. Assuming that the Doppler shift is the only origin of the difference in line center energies, Fe runs faster than other elements.
Kinugasa Kenzo
Ohno Yuzo
Tsunemi Hiroshi
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