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arXiv:astro-ph/9603112 (astro-ph)
[Submitted on 20 Mar 1996]

Title:Correlation Between BATSE Hard X-ray Spectral and Timing Properties of Cygnus X-1

Authors:D.J. Crary, C. Kouveliotou, J. van Paradijs, F. van der Hooft, D.M. Scott, W.S. Paciesas, M. van der Klis, M.H. Finger, B.A. Harmon, W.H.G. Lewin
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Abstract: We have analyzed approximately 1100 days of Cygnus X-1 hard X-ray data obtained with BATSE to study its rapid variability. We find for the first time correlations between the slope of the spectrum and the hard X-ray intensity, and between the spectral slope and the amplitude of the rapid variations of the hard X-ray flux. We compare our results with expectations from current theories of accretion onto black holes.
Comments: 17 pages, 3 Postscript figures, uses this http URL. Accepted for publication in Astrophysical Journal Letters
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/9603112
  (or arXiv:astro-ph/9603112v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/9603112
Related DOI: https://doi.org/10.1086/310039

Submission history

From: David J. Crary [view email]
[v1] Wed, 20 Mar 1996 17:08:33 UTC (39 KB)
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