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X-ray and optical study of the new SMC X-ray binary pulsar system SXP7.92 and its probable optical counterpart, AzV285
M. J. Coe ; M. Schurch ; V.A. McBride ; R.H.D. Corbet ; L.J. Townsend ; A. Udalski ; J.L. Galache ;
Date:	15 Jan 2009
Abstract:	Optical and X-ray observations are presented here of a newly reported X-ray transient system in the Small Magellanic Cloud - SXP7.92. A detailed analysis of the X-ray data reveal a coherent period of 7.9s. A search through earlier X-ray observations of the SMC reveal a previously unknown earlier detection of this system. Follow-up X-ray observations identified a new transient source within the error circle of the previous observations. An optical counterpart, AzV285, is proposed which reveals clear evidence for a 36.8d binary period.
Source:	arXiv, 0901.2268
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