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arxiv: 0902.2793 · v1 · submitted 2009-02-16 · 🌌 astro-ph.HE

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Thermal emission from the stellar-mass black hole binary XTE J1118+480 in the low/hard state

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classification 🌌 astro-ph.HE
keywords j1118blackholebinarycomponenthardstatestellar-mass
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We report on the detection of a thermal-disk component from the stellar-mass black hole binary XTE J1118+480 in the canonical low/hard state. The presence of a thermal component with a temperature of approximately 0.21keV in the Chandra spectra of XTE J1118+480 is found at more than the 14 sigma confidence level. Based on this evidence we argue that the accretion disk in XTE J1118+480 is not truncated far from the central black hole in contrast with previous claims.

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