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Timescale for the Decay of Magnetic Fields of Pulsars

Published online by Cambridge University Press:  04 August 2017

S. Krishnamohan
S. Krishnamohan*
Affiliation:
Radio Astronomy Centre, Tata Institute of Fundamental Research, P.O. Box 1234, Bangalore 560012, India

Abstract

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It is generally agreed that the magnetic fields of pulsars decay with the time. The previous estimates for the decay timescale range from 2Myr to < 10Myr based on the evolutionary tracks in the (P,P) diagram and the kinematics of pulsars. We make a new estimate, by using the ‘measured fields’ themselves, to be about 20Myr and show that the z-distribution of pulsars is consistent with the new estimate if the known dependence of velocities of pulsars on the magnetic moment is taken into account.

Type
IV. Neutron Stellar Evolution
Information
Symposium - International Astronomical Union , Volume 125: The Origin and Evolution of Neutron Stars , 1987 , pp. 377 - 378
Copyright
Copyright © Reidel 1987 

References

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