Thermal modeling of the active Centaur P/2004 A1 (LONEOS) M. T. Capria, A. Coradini, M. C. De Sanctis, E. Mazzotta Epifani and P. Palumbo A&A, 504 1 (2009) 249-258 Published online: 15 July 2009 DOI: 10.1051/0004-6361/20078106