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Evidence for Free Precession in the Pulsar B1642–03

Published online by Cambridge University Press:  12 April 2016

T.V. Shabanova  and
J.O. Urama
T.V. Shabanova
Affiliation:
Astro Space Center of Lebedev Physical Institute, Moscow, Russia
J.O. Urama
Affiliation:
Hartebeesthoek Radio Astronomy Observatory, South Africa

Abstract

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The phase residuals of PSR B1642-03 obtained during a 30-yr interval since 1969 to 1999 are discussed. Interpretation of observed cyclical residual changes in terms of free precession gives a wooble angle of 0.3 - 0.7 degrees.

Type
Part 2. Timing, General Relativity and Astrometry
Information
International Astronomical Union Colloquium , Volume 177: Pulsar Astronomy - 2000 and Beyond , 2000 , pp. 99 - 100
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

Cordes, J.M., & Downs, G.S. 1985, ApJS, 59, 343 Google Scholar
Cordes, J.M. 1993, in ASP Conf. Ser. Vol. 36, Planets around Pulsars, ed. Phillips, J.A., Thorsett, S.E., & Kulkarni, S. R. (San Francisco: ASP), 43 Google Scholar
Downs, G.S., & Reichley, P.E. 1983, ApJS, 53, 169 Google Scholar