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Neutron Star Binaries in Open Clusters

Published online by Cambridge University Press:  12 April 2016

Sverre Aarseth  and
Rosemary Mardling
Sverre Aarseth
Affiliation:
Institute of Astronomy, University of Cambridge, UK
Rosemary Mardling
Affiliation:
Mathematics Department, Monash University, Australia

Extract

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We use N-body simulations of open clusters to examine the evolutionary history of binaries containing neutron stars. The model includes consistent treatment of all the relevant processes (Aarseth 1996):

  1. • Synthetic stellar evolution

  2. – mass and radius as a function of time (Eggleton et al. 1989)

  3. • Accurate treatment of close encounters

    1. – Perturbations of binaries and stable multiple systems - Exchange reactions (involving triple and binary-binary interactions) - Collisions → blue stragglers

  4. • Binary evolution (primordial and dynamically formed)

  5. – Tidal interactions (Mardling & Aarseth 1996) - Stable mass transfer - Common envelope evolution - Magnetic braking - Gravitational radiation - Mergers (including blue stragglers)

  6. • Mass loss

  7. – Stellar winds - Supernovae - Evaporation of stars from the cluster

  8. • Neutron star formation

  9. – Supernovae with kick velocities of Lyne & Lorimer (1994), Drukier (1996) - Accretion-induced collapse

Type
Part 7 Binary Systems
Information
International Astronomical Union Colloquium , Volume 160: Pulsars: Problems and Progress , 1996 , pp. 541 - 542
Copyright
Copyright © Astronomical Society of the Pacific 1996

References

Aarseth, S.J. 1996, in Dynamical Evolution of Star Clusters, I.A.U. Symp. 174, eds. Hut, P. and Makino, J..Google Scholar
Drukier, G. 1996, in Dynamical Evolution of Star Clusters, I.A.U. Symp. 174, eds. Hut, P. and Makino, J..Google Scholar
Eggleton, P.P., Fitchett, M.P. and Tout, C.A. 1989, ApJ, 347, 998 Google Scholar
Hellier, C. 1994, MNRAS, 271, L21 Google Scholar
Lyne, A. and Lorimer, D. 1994, Nature, 369,127 Google Scholar
Mardling, R.A. and Aarseth, S.J. 1996, in preparationGoogle Scholar
Mardling, R.A. and Kroupa, P. 1996, in preparationGoogle Scholar