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R.B. Fiorito (University of Maryland), L.G. Titarchuk (Naval Research Laboratory, George Mason University), N. Shaposhnikov (NASA Goddard Space Flight Center)
We have examined the X -ray power density and energy spectra of 4U1630 in a large number of observations in the data archives. Identification of quasi periodic, break (diffusion) and global oscillation frequencies in the PDS have been made. We examine the correlation of these frequencies with the photon index of the power law component of the Comptonization model used to fit the energy spectra. These correlations are compared to those recently observed in other BHs such as GRS1915, XTE 1550 and Cygnus X-1, and can be used to determine physical properties of the source such as the mass and period of the X -ray binary system.
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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.