- Conference date: 27-30 Apr 1997
- Location: Williamsburg, Virginia (USA)
We present X-ray/γ-ray observations of Cyg X-1 in the soft state during 1996 May–June. We analyze ASCA, RXTE and OSSE data. The spectrum consists of soft X-ray blackbody emission of an optically thick accretion disk in the vicinity of a black hole and a power law with an energy index extending to at least several hundred keV. In the spectra, we find the presence of strong Compton reflection, which probably comes from the disk.
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