Very Long Baseline Array observations of the intraday variable source J1128+592 K. É. Gabányi, N. Marchili, T. P. Krichbaum, L. Fuhrmann, P. Müller, J. A. Zensus, X. Liu and H. G. Song A&A, 508 1 (2009) 161-171 Published online: 15 October 2009 DOI: 10.1051/0004-6361/200912756