Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999arep...43..587b&link_type=abstract
Astronomy Reports, Volume 43, Issue 9, September 1999, pp.587-591
Astronomy and Astrophysics
Astronomy
1
Scientific paper
We present the results of three-dimensional simulations of mass transfer in a semi-detached binary with a donor star whose intrinsic 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 intercomponent envelope, 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 a precessing donor star. The simulations support models with a driven accretion disk. The parameters of the accretion disk and of the structure of the circum-disk area recur with the precessional period of the rotation axis of the donor star.
Bisikalo Dimitry V.
Boyarchuk Alexander A.
Chechetkin V. M.
Kuznetsov Oleg A.
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