Status Report

Three New Long Period X-ray Pulsars Discovered in the Small Magellanic Cloud

By SpaceRef Editor
January 7, 2003
Filed under , ,

Astrophysics, abstract
astro-ph/0301055


From: Daryl Macomb <[email protected]>
Date: Sat, 4 Jan 2003 22:36:57 GMT (30kb)

Three New Long Period X-ray Pulsars Discovered in the Small Magellanic
Cloud


Authors:
D.J. Macomb (1),
D.W. Fox (2),
R.C. Lamb (2),
T.A. Prince (2) ((1) Department of Physics, Boise State University, (2) Space Radiation Laboratory, California Institute of Technology)

Comments: Accepted for publication in the Astrophysical Journal


The Small Magellanic Cloud is increasingly an invaluable laboratory for
studying accreting and isolated X-ray pulsars. We add to the class of compact
SMC objects by reporting the discovery of three new long period X-ray pulsars
detected with the {it Chandra X-ray Observatory}. The pulsars, with periods of
152, 304 and 565 seconds, all show hard X-ray spectra over the range from 0.6 –
7.5 keV. The source positions of the three pulsars are consistent with known
H-alpha emission sources, indicating they are likely to be Be type X-ray binary
star systems.

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