Single star scattering on an open cluster

Details Single star scattering on an open cluster Single star scattering on an open cluster

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007mnras.379...86m&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 379, Issue 1, pp. 86-92.

Astronomy and Astrophysics

Astronomy

2

Methods: N-Body Simulations, Galaxy: Kinematics And Dynamics, Open Clusters And Associations: General

Scientific paper

We examine the scattering of single stars from an open star cluster. The probability of the capture of a star by a star cluster is dependent on the velocity and mass of the star, and the stars that are not captured experience a velocity change. For low-velocity stars there is an exponential decrease of the capture probability with the initial velocity, and the velocity change decreases almost linearly. For high-velocity stars there is a v-6 dependence for the capture probability, and a v-1 dependence for the velocity change. Analytical estimations, Monte Carlo and full N-body simulations are all in good agreement.

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