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26 April 2024 |
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Driven-disk model for binaries with precessing donor star. Three-dimensional simulations | | D.V.Bisikalo
; A.A.Boyarchuk
; O.A.Kuznetsov
; V.M.Chechetkin
; | | Date: |
24 Mar 2000 | | Journal: | Astron. Zh. 1999, v.76, p.672 (Astron. Reports v.43, p.587) | | Subject: | astro-ph | | Affiliation: | Institute of Astronomy of Russ. Acad. Sci., Moscow; Keldysh Institute of Applied Mathematics, Moscow | | Abstract: | We present the results of three-dimensional numerical simulations of mass transfer in semi-detached binary with a donor star whose rotation vector precesses around the orbital rotation axis of the binary in the observer’s coordinate frame. The calculations support our previous model of flow without a `hot spot’. Characteristic features of the flow in this model, such as the formation of an circumbinary envelope, the absence of a `hot spot’ at the edge of the accretion disk, and the formation of a shock wave along the edge of the stream, are also present in the solution for a binary with precessing donor star. The parameters of accretion disk and of the structure of the near-disk regions recur with the precessional period of the rotation axis of donor star. | | Source: | arXiv, astro-ph/0003377 | | Services: | Forum | Review | PDF | Favorites | |
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