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Astron. Astrophys. 322, 127-130 (1997)

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On the velocity distribution of radio pulsars at birth

J.W. Hartman

Astronomical Institute, Utrecht University, P.O.Box 80000, 3508 TA Utrecht, The Netherlands

Received 2 August 1996 / Accepted 29 October 1996


We investigate the transverse velocity distribution of young ([FORMULA] 3 Myr) radio pulsars, using pulsar population synthesis techniques. We find that, after taking into account errors in proper motion measurements, an initial velocity distribution that has many more pulsars at low velocities than the distribution proposed by Lyne & Lorimer (1994) can produce a transverse velocity distribution that describes the observed distribution equally well.

Key words: stars: neutron, pulsars: general, celestial mechanics, stellar dynamics

Send offprint requests to: J.W. Hartman

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© European Southern Observatory (ESO) 1997

Online publication: June 30, 1998