The X-ray corona of Cygnus X-1

Details The X-ray corona of Cygnus X-1 The X-ray corona of Cygnus X-1

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1248..111m&link_type=abstract

X-RAY ASTRONOMY 2009; PRESENT STATUS, MULTI-WAVELENGTH APPROACH AND FUTURE PERSPECTIVES: Proceedings of the International Confer

Astronomy and Astrophysics

Astronomy

Black Holes, Accretion Disks, Magnetic Fields, Brightness, Black Holes, Infall, Accretion, And Accretion Disks, Electric And Magnetic Fields, Luminosities, Magnitudes, Effective Temperatures, Colors, And Spectral Classification

Scientific paper

It is well known that the temperature and optical depth of the Comptonising electrons of the corona of black hole binaries can be measured using spectroscopy in the 1 keV-1 MeV energy band. We emphasize recent developments in the modeling of high energy radiation processes which allow us to constrain other important physical parameters of the corona, such as the strength of magnetic field, or the temperature of the ions. In the prototypical source Cygnus X-1, the results appear to challenge current accretion models.

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