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Radio Observational Constraints on Pulsar Emission Mechanisms

Published online by Cambridge University Press:  14 August 2015

J. M. Cordes
J. M. Cordes*
Affiliation:
Astronomy Department and NAIC, Cornell University

Abstract

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A discussion is made of those observations that place constraints on the pulsar emission mechanism and its location in the pulsar magnetosphere. After reviewing the salient features of pulsar radiation, a number of issues are confronted, including (1) whether coherence is broadband or narrowband and, accordingly, (2) whether the emission frequency is mapped into radius and/or magnetic polar angle; and (3) whether pulse structure (micropulses and subpulses) represents angular or temporal structure. It is proposed that pulse nulling, mode changing, and quantized drift rates for subpulses are related to discrete states of the particle flow in polar cap models.

Type
II. Radio Emission Mechanism
Information
Symposium - International Astronomical Union , Volume 95: Pulsars , 1981 , pp. 115 - 131
Copyright
Copyright © Reidel 1981 

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