Multi-wavelength properties of the high-energy bright Seyfert 1 galaxy IGR J18027-1455 J. A. Combi, M. Ribó, J. Martí and S. Chaty A&A, 458 3 (2006) 761-766 Published online: 12 September 2006 DOI: 10.1051/0004-6361:20065383