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Akademický článek
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Autor:
Church, Ross P., Dischler, Johann, Davies, Melvyn B., Tout, Christopher A., Adams, Tim, Beer, Martin E.
To measure the onset of mass transfer in eccentric binaries we have developed a two-phase SPH technique. Mass transfer is important in the evolution of close binaries, and a key issue is to determine the separation at which mass transfer begins. The
Externí odkaz:
http://arxiv.org/abs/0902.3509
Akademický článek
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Publikováno v:
Mon.Not.Roy.Astron.Soc.375:1000-1008,2007
We investigate the evolution of interacting binaries where the donor star is a low-mass giant more massive than its companion. It is usual to assume that such systems undergo common-envelope (CE) evolution, where the orbital energy is used to eject t
Externí odkaz:
http://arxiv.org/abs/astro-ph/0612251
Publikováno v:
Mon.Not.Roy.Astron.Soc.364:59-68,2005
We present numerical simulations of the runaway fractions expected amongst O and Wolf-Rayet star populations resulting from stars ejected from binaries by the supernova of the companion. Observationally the runaway fraction for both types of star is
Externí odkaz:
http://arxiv.org/abs/astro-ph/0508448
Publikováno v:
Mon.Not.Roy.Astron.Soc. 358 (2005) 1501-1504
We consider the population of black widow pulsars (BWPs). The large majority of these are members of globular clusters. For minimum companion masses < 0.1 Msun, adiabatic evolution and consequent mass loss under gravitational radiation appear to prov
Externí odkaz:
http://arxiv.org/abs/astro-ph/0502511
We consider the formation and evolution of the planetary system PSR B1620-26 in the globular cluster M4. We propose that as M4 is a very-low metallicity environment the standard model of planet formation around main-sequence stars through the accreti
Externí odkaz:
http://arxiv.org/abs/astro-ph/0409762
Most mechanisms proposed for the formation of planets are modified versions of the mechanism proposed for the solar system. Here we argue that, in terms of those planetary systems which have been observed, the case for the solar system being a typica
Externí odkaz:
http://arxiv.org/abs/astro-ph/0407476
Publikováno v:
Mon.Not.Roy.Astron.Soc.345:678,2003
The incidence of evaporating 'black widow' pulsars (BWPs) among all millisecond pulsars (MSPs) is far higher in globular clusters than in the field. This implies a special formation mechanism for them in clusters. Cluster MSPs in wide binaries with W
Externí odkaz:
http://arxiv.org/abs/astro-ph/0307023