Photometric and spectroscopic evidence for a dense ring system around Centaur CharikloR. Duffard, N. Pinilla-Alonso, J. L. Ortiz, A. Alvarez-Candal, B. Sicardy, P. Santos-Sanz, N. Morales, C. Colazo, E. Fernández-Valenzuela and F. Braga-RibasA&A, 568 (2014) A79DOI: https://doi.org/10.1051/0004-6361/201424208
