Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.260..717r&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 260, no. 4, p. 717-723.
Astronomy and Astrophysics
Astronomy
3
Binary Stars, Massive Stars, Pulsars, Stellar Evolution, Magnetic Field Configurations, Spatial Distribution
Scientific paper
A uniform statistical description of the sample of pulsars including the millisecond and binary pulsars is obtained by considering them to originate from the main-sequence population of both single and binary stars. Assuming that a substantial fraction of pulsars have a binary origin, the observed gap in the field strength and spin period distribution of pulsars is shown to arise from a corresponding gap in the mass distribution of the secondary star (after the first-stage mass transfer) in binary systems. Magnetic field decay time-scales of about 10 exp 8 yr are shown to be consistent with the above analysis. Implications of this for the idea of the plateau value of magnetic field strength, below which the decay time-scale for a pulsar is larger than for the normal pulsars, are discussed.
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