The 2008 outburst of IGR J17473–2721: evidence for a disk corona? Y.-P. Chen, S. Zhang, D. F. Torres, S.-N. Zhang, J. Li, P. Kretschmar and J.-M. Wang A&A, 534 (2011) A101 Published online: 13 October 2011 DOI: 10.1051/0004-6361/201117076