Monte Carlo Simulations of the Galactic Population of Radio Pulsars

Details Monte Carlo Simulations of the Galactic Population of Radio Pulsars Monte Carlo Simulations of the Galactic Population of Radio Pulsars

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jrasc..99q.137f&link_type=abstract

Journal of the Royal Astronomical Society of Canada, Vol. 99, No. 4, p.137

Astronomy and Astrophysics

Astronomy

Scientific paper

We report on a detailed Monte-Carlo-based population synthesis of isolated, non-recycled Galactic radio pulsars, with the goal of constraining the properties of the underlying population. Recent major surveys, improvements to models of the interstellar medium, and new astrometric measurements make such a study particularly timely. We find no evidence for bimodality in the space velocity distribution, with a 1- D exponential model having 3-D mean velocity (380 ± 50) km s-1 describing the data adequately. We find strong evidence for a depletion in the population near the Galactic Centre. We find good evidence for a correlation between radio and spin-down luminosities. Our best estimate for the Galactic radio pulsar birthrate is (3.9 ± 0.1) per century1, where the quoted error is statistical only.

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