Population Synthesis Of Radio And Gamma-ray Millisecond Pulsars From The Galactic Plane

Details Population Synthesis Of Radio And Gamma-ray Millisecond Pulsars From The Galactic Plane Population Synthesis Of Radio And Gamma-ray Millisecond Pulsars From The Galactic Plane

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006head....9.0765s&link_type=abstract

American Astronomical Society, HEAD meeting #9, #7.65; Bulletin of the American Astronomical Society, Vol. 38, p.360

Astronomy and Astrophysics

Astrophysics

Scientific paper

We present results of our pulsar population synthesis of millisecond pulsars in the Galactic plane. We model the spatial distribution of millisecond pulsars by assuming that they start with a random kick velocity and then evolve through the Galactic potential. We exclude millisecond pulsars from globular clusters and focus on pulsars born in the Galactic plane. We explore both uniform and non-uniform spatial birth distributions within the Galactic plane. We assume that pulsars are standard candles and invoke a new relationship between core and cone emission suggested by recent studies of both normal, isolated pulsars and millisecond pulsars. In modeling the radio emission beams, we take into account the relativistic effects of time delay, aberration and sweepback of the open field lines. We use a polar cap acceleration model for the gamma-ray emission beams. We present the preliminary results of our recent study and the implications for observing these pulsars with GLAST.
We express our gratitude for the generous support of the Michigan Space Grant Consortium, of Research Corporation (CC5813), of the National Science Foundation (REU and AST-0307365) and the NASA Astrophysics Theory Program.

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