Doppler mapping of the SS Cyg system during outburst |
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| Authors: | D. Boneva P. V. Kaigorodov D. V. Bisikalo D. A. Kononov |
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| Affiliation: | 1.Space Research Institute,Bulgarian Academy of Sciences,Sofia,Bulgaria;2.Institute of Astronomy,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | Spectral observations of the SS Cyg system in its active state are used to construct Hβ and Hγ Doppler tomograms. These are compared with analogous tomograms for the quiescent state and synthetic tomograms derived from the results of three-dimensional gas-dynamical modeling. The parameters of the accretion disk during the outburst are estimated. An explanation for the observed flow pattern is proposed, based on a numerical model with an elliptical accretion disk. |
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