The broad-band X-ray spectrum of the Cas A supernova remnant as seen by the BeppoSAX observatory

Details The broad-band X-ray spectrum of the Cas A supernova remnant as seen by the BeppoSAX observatory The broad-band X-ray spectrum of the Cas A supernova remnant as seen by the BeppoSAX observatory

1997-07-04

arxiv.org/abs/astro-ph/9707052v1

Astronomy and Astrophysics

Astrophysics

4 pages. Accepted for publication in A&A (Letters)

Scientific paper

We present a broad band X-ray observation of the Cas A supernova remnant, obtained with the 4 narrow field instruments on board the BeppoSAX satellite. The X-ray spectrum thus obtained spans more than two decades in energy, from ~0.5 to ~80 keV. The complete spectrum is fit with a two-component non-equilibrium ionization (NEI) model plus a power-law component which dominates at the higher energies. The influence of the hard X-ray tail on the parameters derived for the thermal emission is discussed.

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