Stellar activity of planetary host star HD 189 733 I. Boisse, C. Moutou, A. Vidal-Madjar, F. Bouchy, F. Pont, G. Hébrard, X. Bonfils, B. Croll, X. Delfosse, M. Desort et al. (13 more) A&A, 495 3 (2009) 959-966 Published online: 14 January 2009 DOI: 10.1051/0004-6361:200810648