XMM-Newton detection of relativistic Fe emission in the X-ray spectrum of SAX J1711.6-3808
Altieri, B.; Santos-Lleó, M.; Sánchez-Fernández, C.; Castro-Tirado, A. J.; González-Riestra, R.; Saxton, R.; In't Zand, J. J. M.
Spain, Netherlands
Abstract
The transient system SAX J1711.6-3808 was observed by XMM-Newton during its 2001 outburst, when the source was close to its maximum outburst luminosity. Our observations show that the broad Fe emission line detected in this outburst by In' t Zand et al. (\cite{intZand02}) has indeed a relativistic nature, suggesting that SAX J1711.6-3808 harbors a black hole with a high spin parameter.
Based on observations obtained with XMM-Newton, an ESA science mission with instruments and contributions directly funded by ESA Member States and NASA