Perturbations In The Accretion Disk Emissivity: Theory Versus Observations

Details Perturbations In The Accretion Disk Emissivity: Theory Versus Observations Perturbations In The Accretion Disk Emissivity: Theory Versus Observations

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010pobeo..89..387s&link_type=abstract

Publications of the Astronomical Observatory of Belgrade, vol. 89, pp. 387-390

Astronomy and Astrophysics

Astronomy

Scientific paper

The double peaked lines can be observed in spectra of Active Galactic Nuclei (AGNs) indicating that an accretion disk is present in the center of these objects (around super-massive black hole). These lines show variability, not only in intensities, but also in shapes. This variability can be caused by bright spots in the accretion disk, which affect the disk emissivity. Here we study a bright spot model that can successfully explain double peak line shape variations in the case of 3C390.3 quasar.

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