S. M. Mazzola, R. Iaria, A. F. Gambino, A. Marino, T. Di Salvo, T. Bassi, A. Sanna, A. Riggio, L. Burderi
Published 2019-06-26Version 1
The X-ray transient eclipsing source MXB 1659-298 went in outburst in 1999 and 2015, respectively, during which it was observed by XMM-Newton, NuSTAR and Swift. Using these observations we studied the broadband spectrum of the source to constrain the continuum components and to verify the presence of a reflection component. We analysed the soft and hard state of the source, finding that the soft state can be modelled with a thermal component associated with the inner accretion disc plus a Comptonised component. A smeared reflection component and the presence of an ionised absorber are also requested in the best-fit model. On the other hand, the direct continuum emission in the hard state can be described by a Comptonised component with a temperature larger than 150 keV. Also in this case a reflection component and a ionised absorber are observed.
Comments: Proceedings of the 12th INTEGRAL conference and 1st AHEAD Gamma-ray Workshop, Geneva (Switzerland), 11-15 February 2019, Ed. C. Ferrigno, E. Bozzo, P. von Balmoos; 4 pages, 1 figure, 2 tables, submitted to Mem. S.A.It
Suzaku broad-band spectrum of 4U 1705-44: Probing the Reflection component in the hard state
Broadband spectral analysis of MXB 1659-298 in its soft and hard state
AstroSat/LAXPC observation of Cygnus X-1 in the hard state
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