Pulsar altitude distribution as a clue to their mean velocity and lifetime

Details Pulsar altitude distribution as a clue to their mean velocity and lifetime Pulsar altitude distribution as a clue to their mean velocity and lifetime

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a...103..263a&link_type=abstract

Astronomy and Astrophysics, vol. 103, no. 2, Nov. 1981, p. 263-268.

Astronomy and Astrophysics

Astrophysics

9

Pulsars, Radiative Lifetime, Velocity Distribution, Altitude, Astronomical Models, Disk Galaxies, Gravitational Fields, Scale Height, Statistical Distributions

Scientific paper

The pulsar altitude distributions in a model are computed. The model includes the gravitational field, pulsar lifetime, pulsar initial velocity distribution and the corresponding mean value, and the altitude distribution of the pulsar progenitors. It is shown that the shape of the pulsar distribution can be reproduced by a model characterized by a given range of parameters, and a more restricted range for the parameters is determined from the value of the pulsar scale height. Results are in good agreement with previously derived values from a crude approximation, inferring that the pulsar creation rate from 1/160 yr to 1/70 yr is still valid.

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