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The Pulsation Period and Possible Orbit of 1E2259+586

Published online by Cambridge University Press:  04 August 2017

G. G. Fahlman  and
P. C. Gregory
G. G. Fahlman
Affiliation:
University of British Columbia, Vancouver, B.C. V6T 1W5 Canada
P. C. Gregory
Affiliation:
University of British Columbia, Vancouver, B.C. V6T 1W5 Canada

Extract

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The currently known characteristics of the unique x-ray pulsar 1E2259+586 are briefly reviewed. The results from a recently completed analysis of the x-ray photon arrival times recorded by the Einstein Observatory are presented. The pulsar light curve has changed shape between two epochs separated by six months. The true pulse period is 6.978632 sec, double the previously reported value. In addition, there is evidence for orbital motion with a period close to 2300 sec. Some implications of this orbit are briefly discussed.

Type
V. Compact Objects Associated With Supernova Remnants, Pulsars and Neutron Stars
Information
Symposium - International Astronomical Union , Volume 101: Supernova Remnants and Their X-Ray Emission , 1983 , pp. 445 - 453
Copyright
Copyright © Reidel 1983 

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