Emission Line Profiles and Images of Geometrically Thin and Optically Thick Accretion Disks |
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| Authors: | Pan Cai-juan |
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| Institution: | 1. Institute of Theoretical Physics, Department of Physics, Shanxi Datong University, Datong, Shanxi 037009, China;2. Institute of Theoretical Physics, Shanxi Datong University, Datong, Shanxi 037009, China |
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| Abstract: | Under the assumption that the accretion disk around a Kerr (spinning) black hole is geometrically thin and optically thick, the trajectories of photons in Kerr metric are calculated by using the photon tracing method. And by numerical calculations, we have made a study on the relativistic iron line profiles and images of thin accretion disks. The result shows that viewing at large inclination angles, because of the contribution of the photons from the lower surface of the accretion disk, the line profile becomes double-peaked and the flux image is also significantly modified. |
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