Some features in the distributions of pulsar parameters

Details Some features in the distributions of pulsar parameters Some features in the distributions of pulsar parameters

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995azh....72..574m&link_type=abstract

Astronomicheskij Zhurnal, vol. 72, p. 574

Astronomy and Astrophysics

Astronomy

8

Pulsars, Astronomical Catalogs, Distribution (Property), Milky Way Galaxy, Globular Clusters, Magnetic Dipoles, Data Correlation

Scientific paper

The distributions of a number of parameters of 558 known pulsars are analyzed. The period distribution reveals the presence of two pulsar groups (with periods P equal to or greater than 0.1 s and P less than 0.1 s) differing in evolution. There are no objects at distances larger than z = 700 pc from the Galactic plane among the pulsars with P less than 0.1 s that are not members of globular clusters. At the same time, a few dozen long-period pulsars have z = 1-2 kpc, corresponding to kinematic ages more than 10 Myr. A high correlation between luminosity and magnetic-dipole losses is observed. The luminosity function obtained here shows that no pulsars with L less than 10 exp 26 erg/s appear to be present in the Galaxy. The total number of active Galactic pulsars reaches 2.4 x 10 exp 5, corresponding to a pulsar birthrate of the order one object every 40 yr.

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