Thermal infrared observations of near-Earth asteroid 2002 NY40 T. G. Müller, M. F. Sterzik, O. Schütz, P. Pravec and R. Siebenmorgen A&A, 424 3 (2004) 1075-1080 Published online: 06 September 2004 DOI: 10.1051/0004-6361:20041061