Distribution of apparent beamwidths of pulsars and evolution of their magnetic inclinations

Details Distribution of apparent beamwidths of pulsars and evolution of their magnetic inclinations Distribution of apparent beamwidths of pulsars and evolution of their magnetic inclinations

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982cha%26a...6..216w&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 6, Issue 3, p. 216-220.

Astronomy and Astrophysics

Astrophysics

5

Scientific paper

We analyse the distribution of the apparent beamwidth in a sample of 195 pulsars with known ages. Assuming the polar cap model, we derive the expression for the conditional density of α at given magnetic inclination φ. We then derive the frequency distribution of φ in each of four age groups. We find the distribution shows a preference for small values, 73% of the total having φ <= 30°. There is also a tendency for φ to decrease with age.

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