Journal Article

The Magellanic Bridge: evidence for a population of X-ray binaries

V. A. McBride, A. J. Bird, M. J. Coe, L. J. Townsend, R. H. D. Corbet and F. Haberl

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 403, issue 2, pages 709-713
Published in print April 2010 | ISSN: 0035-8711
Published online March 2010 | e-ISSN: 1365-2966 | DOI:
The Magellanic Bridge: evidence for a population of X-ray binaries

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INTEGRAL observations of the Small Magellanic Cloud region have resulted in the serendipitous detection of two transient hard X-ray sources in the Magellanic Bridge. In this paper, we present the timing and spectral characteristics of these sources across the 2–100 keV energy range, which, in conjunction with their optical counterparts, demonstrate that they are high-mass X-ray binaries (HMXBs) in the Magellanic Bridge. Together with one previously known HMXB system, and three candidates, these sources represent an emerging population of X-ray binaries in the Bridge, probably initiated by tidally induced star formation as a result of the gravitational interaction between the Large and Small Magellanic Clouds.

Keywords: binaries: general; Magellanic Clouds

Journal Article.  2904 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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