Long Term Behavior of X-ray Pulsars in the Small Magellanic Cloud
S. Laycock, R. H. D. Corbet, M. J. Coe, F. E. Marshall, C. Markwardt, J. Lochner
Abstract
Results of a 4 year monitoring campaign of the SMC using the Rossi X-ray timing Explorer (RXTE) are presented. This large dataset makes possible detailed investigation of a significant sample of SMC X-ray binaries. 8 new X-ray pulsars were discovered and a total of 20 different systems were detected. Spectral and timing parameters were obtained for 18. In the case of 10 pulsars, repeated outbursts were observed, allowing determination of candidate orbital periods for these systems. We also discuss the spatial and pulse period distributions of the SMC pulsars.
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