EAS Publications Series
Volume 71-72, 2015The Physics of Evolved Stars: A Conference Dedicated to the Memory of Olivier Chesneau
|Page(s)||81 - 86|
|Section||Winds, Mass Loss, Jets|
|Published online||01 December 2015|
E. Lagadec, F. Millour and T. Lanz (eds)
EAS Publications Series, 71–72 (2015) 81-86
3D Models of Symbiotic Binaries
1 South African Astronomical Observatory, PO Box 9, Observatory 7935, Cape Town, South Africa
2 Department of Astrophysics, University of Oxford, Keble Road, Oxford OX1 3RH, UK
3 Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala, Sweden
4 Department of Earth and Space Sciences, Chalmers University of Technology, Onsala Space Observatory, 439 92 Onsala, Sweden
Symbiotic binaries consist of a cool, mass-losing giant and an accreting, compact companion. We present 3D Smoothed Particle Hydrodynamics (SPH) models of two such interacting binaries, RS Oph and Mira AB. RS Oph is also a recurrent nova system, thus we model multiple quiescent mass transfer-nova outburst cycles. The resulting circumstellar structures of both systems are highly complex with the formation of spirals, arcs, shells, equatorial and bipolar outflows. We compare the models to recent observations and discuss the implications of our results for related systems, e.g., bipolar nebulae and jets, chemically peculiar stars, and the progenitors of Type Ia supernovae.
© EAS, EDP Sciences, 2015
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