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arxiv: astro-ph/9706188 · v1 · submitted 1997-06-18 · 🌌 astro-ph

The BeppoSAX LECS X-ray spectrum of Hercules X-1

classification 🌌 astro-ph
keywords bepposaxaccretionblackbodybroadcommoncomponentcomponentsconcentrator
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We present 0.1-10 keV observations of Her X-1 obtained with the Low-Energy Spectrometer Concentrator instrument onboard the BeppoSAX satellite during the main on-state of the 35 day cycle. We confirm the existence of an intense 0.093 keV blackbody component and a broad emission feature at 0.94 keV. The pulse phase dependence of these components is similar, suggesting a common origin. This is most likely fluorescent excitation of moderately ionized ($\xi\sim$10--100) material located at the inner edge of the accretion disk.

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