Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..328..327p&link_type=abstract
Binary Radio Pulsars, ASP Conference Series, Vol. 328, Proceedings of the conference held 11-17 January, 2004, Aspen, Colorado,
Astronomy and Astrophysics
Astronomy
7
Scientific paper
We summarize the evidence for large natal supernova kicks from the observed distribution of pulsar velocities and discuss the difficulties in modelling the intrinsic natal kick distribution. We review the status of the neutron-star retention problem in globular clusters and some of the suggested solutions. We then present evidence from the orbital characteristics of a recently identified separate class of Be X-ray binaries that require neutron stars with very low birth kicks and propose a dichotomous scenario for neutron-star kicks, where neutron stars born in originally relatively close binaries receive small kicks and provide a theoretical framework for such a scenario. Finally, we summarize the main pulsar kick mechanisms that have been proposed and show the results of some of the most recent hydrodynamical core-collapse simulations.
Pfahl Eric
Podsiadlowski Ph
Rappaport Saul
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