The nearby QSO host I Zw 1: the stellar disk and adjacent objects J. Scharwächter, A. Eckart, S. Pfalzner, I. Saviane and J. Zuther A&A, 469 3 (2007) 913-923 Published online: 16 May 2007 DOI: 10.1051/0004-6361:20066359