Supermassive black holes and the strong field limit of general relativity

Details Supermassive black holes and the strong field limit of general relativity Supermassive black holes and the strong field limit of general relativity

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000stin...0203811z&link_type=abstract

Technical Report, DE2001-768768; LA-UR-00-3860

Astronomy and Astrophysics

Astronomy

Quasars, Black Holes (Astronomy), Active Galactic Nuclei, Accretion Disks, Iron, Seyfert Galaxies, Relativity

Scientific paper

The energy driving a quasar or active galactic nucleus (AGN) is thought to come from the accretion of gas on to a supermassive black hole at the center of the host galaxy. Evidence for this has been hard to find, but the extremely broad iron line observed in the X-ray spectrum of one particular AGN (the Seyfert galaxy known as MCG-6-30-15) may well be the calling card of a supermassive black hole. A new model-independent approach to analyzing these intriguing X-ray emissions extracts more information about the black hole within--including the position of the inner edge of the accretion disk and the rate at which the black hole is rotating.

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