Preliminary Results from a Hydrodynamic Simulation of the Direct Impact Accretion Model with PLUTO

Details Preliminary Results from a Hydrodynamic Simulation of the Direct Impact Accretion Model with PLUTO Preliminary Results from a Hydrodynamic Simulation of the Direct Impact Accretion Model with PLUTO

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010jsara...4...42b&link_type=abstract

Journal of the Southeastern Association for Research in Astronomy, vol. 4, p. 42-44

Astronomy and Astrophysics

Astronomy

Accretion, Disk, Disc, Binaries: Close, Hydrodynamics, Novae, Cataclysmic Variables, Stars: Individual: Hm Cnc, V407 Vul, X-Rays: Binaries

Scientific paper

Recent observations and simulations suggest that the double degenerate, ultracompact binary sys- tems V407 Vul (RX J1914.4+2457) and HM Cnc (RX J0806.3+1527) represent the only two binary white-dwarf systems that exhibit Algol-like direct impact behavior. In this paper, we provide pre- liminary results from a simulation of the direct impact accretion model using PLUTO, a numerical hydrodynamics code. Our results consist of a qualitative, two-dimensional representation depicting a ballistic accretion stream directly striking the atmosphere of a close primary white dwarf.

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