ESO large program about transneptunian objects: surface variations on (47171) 1999 TC36 S. Protopapa, A. Alvarez-Candal, M. A. Barucci, G. P. Tozzi, S. Fornasier, A. Delsanti and F. Merlin A&A, 501 1 (2009) 375-380 Published online: 05 May 2009 DOI: 10.1051/0004-6361/200810572