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Two Remarkable Examples of Conal Profile Evolution

Published online by Cambridge University Press:  27 September 2017

T. H. Hankins ,
Joanna M. Rankin ,
D. R. Stinebring  and
M. M. McKinnon
T. H. Hankins
Affiliation:
Very Large Array, National Radio Astronomy Observatory and Department of Physics, New Mexico Institute of Mining and Technology
Joanna M. Rankin
Affiliation:
Department of Physics, University of Vermont
D. R. Stinebring
Affiliation:
Department of Physics, Oberlin College
M. M. McKinnon
Affiliation:
Very Large Array, National Radio Astronomy Observatory and Department of Physics, New Mexico Institute of Mining and Technology

Abstract

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Pulsar 0301+19, whose two well-separated components provide a textbook example of the conal double profile, apparently evolves to ajeingle form at frequencies above 5 GHz. PSR 2016+28, by contrast, exhibits a single form above 200 MHz, but bifurcates strongly and very asymmetrically below 100 MHz. In few pulsars can we see the full possibilities of conal profile evolution so clearly manifested.

Type
Part IV Form and spectra of emission beams
Information
International Astronomical Union Colloquium , Volume 128: Magnetospheric structure and emission mechanisms of radio pulsars , 1992 , pp. 161 - 164
Copyright
Copyright © United States Naval Observatory 1992