Studying the Accretion Disks in Black Hole X-ray Binaries with Monte-Carlo Simulations

Details Studying the Accretion Disks in Black Hole X-ray Binaries with Monte-Carlo Simulations Studying the Accretion Disks in Black Hole X-ray Binaries with Monte-Carlo Simulations

2001-05-30

arxiv.org/abs/astro-ph/0105537v1

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures, AIP Conference Proceedings, Gamma-2001 Meeting, Baltimore, MD, April 2001

Scientific paper

10.1063/1.1419381

Understanding the properties of the hot corona is very important for studying the accretion disks in black hole X-ray binary systems. Using the Monte-Carlo technique to simulate the inverse Compton scattering process between disk photons and electrons in the hot corona, we have produced two table models in the XSPEC package. Applying the models to the broad-band BeppoSAX observations of the black hole candidate XTE J2012+381, we demonstrate the power of this table model. Our results indicate that the electron distribution in the corona has a powerlaw shape with a spectral index around 4 and the size of the corona is just several tens of gravitational radius and the inclination angle of the disk is around 60 degrees.

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