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GINGA All‐Sky Monitor Observations of Cygnus X‐1

  • Authors: Shunji Kitamoto, Wataru Egoshi, Sigenori Miyamoto, Hiroshi Tsunemi, James C. Ling, Wm. A. Wheaton, and B. Paul

Kitamoto et al. 2000 The Astrophysical Journal 531 546.

  • Provider: AAS Journals

Caption: Fig. 6.

Ratio of the spectrum in the phase 0.07–0.13 to the spectrum in the phase 0.33–0.53. Cross marks are the data. The best‐fit curves of two models are plotted. One is a simple absorption (100% coverage) model with free normalization. The other is a partial coverage model, the free parameters of which are the coverage factor, absorption column density, and the normalization.

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