The enigmatic WR46: A binary or a pulsator in disguise - I. The photometry P. M. Veen, A. M. van Genderen, K. A. van der Hucht, W. H. Allen, T. Arentoft and C. Sterken A&A, 385 2 (2002) 585-599 Published online: 15 April 2002 DOI: 10.1051/0004-6361:20020074