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The structure of cool accretion disc in semidetached binaries | | D.V.Bisikalo
; A.A.Boyarchuk
; P.V.Kaygorodov
; O.A.Kuznetsov
; T.Matsuda
; | | Date: |
2 Mar 2004 | | Journal: | Astron.Rep. 48 (2004) 449-456; Astron.Zh.Akad.Nauk SSSR 81 (2004) 494-502 | | Subject: | astro-ph | | Affiliation: | 1,2), T.Matsuda (Institute of Astronomy of the Russian Acad. of Sci., Moscow, Russia; Keldysh Institute of Applied Mathematics, Moscow, Russia; Department of Earth and Planetary Sciences, Kobe University, Kobe, Japan | | Abstract: | We present the results of qualitative consideration of possible changes occurring during the transition from the hot accretion disc to the cool one. We argue the possible existence of one more type of spiral density waves in the inner part of the disc where gasdynamical perturbations are negligible. The mechanism of formation of such a wave as well as its parameters are considered. We also present the results of 3D gasdynamical simulation of cool accretion discs. These results confirm the hypothesis of possible formation of the spiral wave of a new, "precessional" type in the inner regions of the disc. Possible observational manifestations of this wave are discussed. | | Source: | arXiv, astro-ph/0403053 | | Services: | Forum | Review | PDF | Favorites | |
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