Pulsar populations and their evolution

Details Pulsar populations and their evolution Pulsar populations and their evolution

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...352..222n&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 352, March 20, 1990, p. 222-246.

Mathematics

Probability

219

Pulsars, Stellar Evolution, Astronomical Models, Field Strength, Kinematics, Stellar Luminosity, Stellar Magnetic Fields

Scientific paper

Luminosity models are developed, and an attempt is made to answer fundamental questions regarding the statistical properties of pulsars, on the basis of a large data base encompassing the periods, period derivatives, radio luminosities, vertical Galactic heights, and transverse velocities, for a homogeneous sample of 301 pulsars. A probability is established for two pulsar subpopulations, designated F and S, which are distinguished primarily on the basis of kinematic properties. The two populations are of comparable size, with the F population having an overall birth-rate close to 1 in 200 years in the Galaxy, with the less certain S pulsar birth-rate not higher than that of the F population.

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