The evolution of radio pulsars

Details The evolution of radio pulsars The evolution of radio pulsars

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205..281c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Oct. 1983, p. 281-284. Research supported by the A

Astronomy and Astrophysics

Astronomy

22

Pulsars, Radio Stars, Stellar Evolution, Magnetic Properties, Pulse Duration, Stellar Models

Scientific paper

The authors consider a model for the evolution of radio pulsars which incorporates decay of the emission-cone angle and alignment of the emission cone with the spin axis. This model predicts that decay of the emission-cone angle dominates for the youngest pulsars, producing a decrease in the observed pulsewidth. Alignement of the emission cone dominates for the oldest pulsars, producing a rapid increase in the observed pulsewidth. The authors show that radio pulsars do indeed have a dependence of pulsewidth on characteristic age which is in good agreement with this model. The results suggest that the emission cone aligns on a time-scale ≈107 yr.

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