Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...304..140c&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 304, May 1, 1986, p. 140-153.
Astronomy and Astrophysics
Astrophysics
46
Magnetic Stars, Pulsars, Stellar Evolution, Stellar Rotation, Angular Velocity, Distribution Functions, Magnetic Dipoles, Stellar Models, Supernova Remnants
Scientific paper
The authors have modeled the observed properties of pulsars on the assumption that they evolve by emitting magnetic dipole radiation and have exponentially decaying magnetic fields. The observed properties are affected by the dependence of radio luminosity (L) on period (P) and period derivative (P). If one adopts the recently determined relation L ∝ P-1P1/3, then the observed period distribution is well fitted by a model which assumes flat initial distributions with initial periods ranging from 0.09 to 0.25 s. The authors have also estimated the distribution of pulsar z-velocities from observations and used it with their model to calculate the variation of pulsar number, period, and characteristic age with height z.
Chevalier Roger A.
Emmering Robert T.
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