Journal Article

A candidate gamma-ray pulsar in the supernova remnant CTA 1

K. T. S. Brazier, O. Reimer, G. Kanbach and A. Carramiñana

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 295, issue 4, pages 819-824
Published in print April 1998 | ISSN: 0035-8711
Published online April 1998 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1046/j.1365-8711.1998.01263.x
A candidate gamma-ray pulsar in the supernova remnant CTA 1

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Abstract

We present a detailed analysis of the high-energy gamma-ray source 2EG J0008+7307. The source has a steady flux and a hard spectrum, softening above 2 GeV. The properties of the gamma-ray source are suggestive of emission from a young pulsar in the spatially coincident CTA 1 supernova remnant, which has recently been found to have a non-thermal X-ray plerion. Our 95 per cent uncertainty contour around the > 1 GeV source position includes the point-like X-ray source at the centre of the plerion. We propose that this object is a young pulsar and is the most likely counterpart of 2EG J0008+7307.

Keywords: pulsars: general; ISM: individual: CTA 1; ISM: individual: G119.5+10.2; supernova remnants; gamma-rays: observations; X-rays: ISM

Journal Article.  0 words. 

Subjects: Astronomy and Astrophysics

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