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Title:
Thermal emission from the stellar-mass black hole binary XTE J1118+480 in the low/hard state
Authors:
Reis, R. C.; Miller, J. M.; Fabian, A. C.
Affiliation:
AA(Institute of Astronomy, Madingley Road, Cambridge CB3 0HA), AB(Department of Astronomy, University of Michigan, 500 Church Street, Ann Arbor, MI 48109, USA), AC(Institute of Astronomy, Madingley Road, Cambridge CB3 0HA)
Publication:
Monthly Notices of the Royal Astronomical Society: Letters, Volume 395, Issue 1, pp. L52-L56. (MNRAS Homepage)
Publication Date:
05/2009
Origin:
MNRAS
MNRAS Keywords:
accretion, accretion discs, black hole physics, X-rays: individual: XTE J1118+480
DOI:
10.1111/j.1745-3933.2009.00640.x
Bibliographic Code:
2009MNRAS.395L..52R

Abstract

We report on the detection of a thermal disc 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 14σ confidence level. Based on this evidence, we argue that the accretion disc in XTE J1118+480 is not truncated far from the central black hole in contrast with previous claims.
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