Other
Scientific paper
Nov 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...435..784i&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 435, no. 2, p. 784-790
Other
9
Mathematical Models, Monte Carlo Method, Pulsars, Stellar Evolution, Stellar Magnetic Fields, Velocity, Binary Stars, Galactic Radiation
Scientific paper
The correlation between the observed values of the pulsar transverse velocity and the strength of the magnetic field is examined by Monte Carlo simulations of the evolution of pulsars. It is shown that in the framework of the constant magnetic field model of pulsars one can quantitatively account for the apparent correlation between the pulsar transverse velocity and the strength of the magnetic field. The reason is that old high-velocity pulsars escape observation because they are generally located far from the Galactic plane; thus observed high-velocity pulsars tend to be young ones. On the other hand, there exists an apparent negative correlation between the strength of the magnetic field and the characteristic age, which is mainly due to the fact that the range of the observed pulsar periods is very much narrower than that of the observed pulsar period derivatives. Owing to these two apparent correlations, high-velocity pulsars appear to have strong magnetic fields.
Hiraki Kentaro
Itoh Naoki
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