Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005arep...49..814n&link_type=abstract
Astronomy Reports, vol. 49, Issue 10, p.814-825
Astronomy and Astrophysics
Astronomy
2
Scientific paper
Three-dimensional hydrodynamical modeling of the formation of the accretion disk in the SS 433 binary system is carried out with various types of cooling and numerical grids. These computations show that a thick accretion disk with a height of 0.25 0.30 (in units of the component separation) is formed around the compact object, from a flow with a large radius (0.2 0.3 in the same units) that forms in the vicinity of the inner Lagrangian point. This disk has the form of a flattened torus. The number of orbits of a particle of gas in the disk is 100 150, testifying to a minimal influence of numerical viscosity in these computations. The computations also show that the stream flowing from L1 is nearly conservative, and spirals in the disk are not formed due to the influence of the donor gravitation.
Glazunova L. V.
Nazarenko Sergei V.
Nazarenko V. V.
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