Stratospheric benzene and hydrocarbon aerosols detected in Saturn’s auroral regions S. Guerlet, T. Fouchet, S. Vinatier, A. A. Simon, E. Dartois and A. Spiga A&A, 580 (2015) A89 Published online: 07 August 2015 DOI: 10.1051/0004-6361/201424745