Institute of Astronomy

Mass Transfer in Eccentric Compact Binaries

SpeakerTalk DateTalk Series
Melvyn Davies28 July 2016Binary Stars Talks

Abstract

We perform hydrodynamic simulations of mass transfer in eccentric white dwarf neutron star binaries. By measuring non-conservative mass transfer parameters we link the results of our simulations to a long-term evolution model. We find that the binaries containing a low mass helium white dwarf evolve into ultracompact X-ray binaries, whereas the systems with higher mass white dwarfs experience unstable mass transfer leading ultimately to the shredding of the white dwarf donors potentially producing the so-called Ca-rich transients.

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