Cygnus X-1 revisited |
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| Authors: | E P Liang P L Nolan |
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| Institution: | (1) Lawrence Livermore National Laboratory, University of California, USA;(2) Institute for Plasma Research, Stanford University, USA;(3) E. O. Hulburt Center for Space Research, U. S. Naval Research Laboratory, USA |
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| Abstract: | We review the X- and gamma-ray observations of Cygnus X-1 and their theoretical interpretations, with emphasis on new developments since the mid-1970's. The overall data base at present is most consistent with the inverse Compton model by hot thermal electrons of T
e  109 K, for the hard X-ray luminosity (10–200 keV). However, the origin of the soft X-rays ( 10 keV) in high states and gamma rays (> 200 keV) remain unsettled.Operated under DOE Contract W-7405-Eng-48.Partially supported by NASA Grant NGR 05-020-668.NRC/NRL Research Associate. |
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