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Quiescent Magnetar Emission: Resonant Compton Upscattering

Published online by Cambridge University Press:  19 July 2016

Matthew G. Baring
Matthew G. Baring*
Affiliation:
Rice University, Department of Physics and Astronomy, MS-108, P.O. Box 1892, Houston, TX 77251-1892, USA

Abstract

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A principal candidate for quiescent non-thermal gamma-ray emission from magnetars is resonant inverse Compton scattering in the strong fields of their magnetospheres. This paper outlines expectations for such emission, formed from non-thermal electrons accelerated in a pulsar-like polar cap potential upscattering thermal X-rays from the hot stellar surface. The resultant spectra are found to be strikingly flat, with fluxes and strong pulsation that could be detectable by GLAST.

Type
Part 5: Magnetars, Central Compact Objects and Isolated Neutron Stars
Information
Symposium - International Astronomical Union , Volume 218: Young Neutrons Stars and their Environments , 2004 , pp. 267 - 270
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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