Fig. 6 from Power Spectra of Black Holes and Neutron Stars as a Probe of Hydrodynamic Structure of the Source: Diffusion Theory and Its Application to Cygnus X‐1 and Cygnus X‐2 X‐Ray Observations

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Power Spectra of Black Holes and Neutron Stars as a Probe of Hydrodynamic Structure of the Source: Diffusion Theory and Its Application to Cygnus X‐1 and Cygnus X‐2 X‐Ray Observations

Authors: Lev Titarchuk, Nikolai Shaposhnikov, and Vadim Arefiev

Titarchuk, Shaposhnikov, & Arefiev 2007 The Astrophysical Journal 660 556.

Provider: AAS Journals

Caption: Fig. 6.

Composite soft state PDS made by PCA (blue) and ASM (red) PDSs. The PCA PDS is for ObsID 50110‐01‐52‐00 (see Table 1 and the bottom panel of Fig. 3). Data are fitted by an LF‐HF diffusion model: ﹩\chi ^{2}/ N_{\mathrm{dof}\,}=184/ 228=0.81﹩, with the best‐fit parameters ﹩t_{0,D}=( 6\pm 1.7) \times 10^{5}﹩ s, ﹩\psi _{D}=2.93\pm 0.01﹩.

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