Pulsar statistics and their interpretations

Details Pulsar statistics and their interpretations Pulsar statistics and their interpretations

Mar 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....95..308a&link_type=abstract

Astronomy and Astrophysics, vol. 95, no. 2, Mar. 1981, p. 308-315.

Astronomy and Astrophysics

Astrophysics

12

Galactic Structure, Pulsars, Star Distribution, Stellar Evolution, Galactic Rotation, Neutron Stars, Spatial Distribution, Statistical Analysis, Stellar Luminosity

Scientific paper

It is shown that a lack of knowledge concerning interstellar electron density, the true spatial distribution of pulsars, the radio luminosity source distribution of pulsars, the real ages and real aging rates of pulsars, the beaming factor (and other unknown factors causing the known sample of about 350 pulsars to be incomplete to an unknown degree) is sufficient to cause a minimum uncertainty of a factor of 20 in any attempt to determine pulsar birth or death rates in the Galaxy. It is suggested that this uncertainty must impact on suggestions that the pulsar rates can be used to constrain possible scenarios for neutron star formation and stellar evolution in general.

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