A search for magnetic fields in the variable HgMn star α Andromedae G. A. Wade, M. Aurière, S. Bagnulo, J.-F. Donati, N. Johnson, J. D. Landstreet, F. Lignières, S. Marsden, D. Monin, D. Mouillet et al. (5 more) A&A, 451 1 (2006) 293-302 Published online: 25 April 2006 DOI: 10.1051/0004-6361:20054502