Effects of radial velocity on line profiles and images from the standard thin disk |
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| Authors: | PAN CaiJuan |
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| Affiliation: | PAN CaiJuan Department of Physics , Telecommunication Engineering,Baise University,Baise 533000,China,Center for Astrophysics,University of Science , Technology of China,Hefei 230051 |
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| Abstract: | This paper has derived the general formulae of observed line profiles based on the effects of radial velocity on the standard thin disk fluid around a rotating black hole. Through the ray-tracing method the line profiles of different parameters have been calculated. Comparison of the line profiles with and without a radial velocity shows that the effects of radial velocity on line profiles cannot be neglected in most cases. In both cases the accretive disk imaging shape remains unchanged. |
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| Keywords: | standard thin disk radial velocity Kerr metric line flux |
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