CCD photometry of the binary asteroid 90 Antiope T. Michałowski, F. Colas, T. Kwiatkowski, A. Kryszczyńska, R. Hirsch and J. Michałowski A&A, 378 1 (2001) L14-L16 Published online: 15 October 2001 DOI: 10.1051/0004-6361:20011206