A new model for the Warm Absorber in NGC 3783: a single medium in total pressure equilibrium A. C. Gonçalves, S. Collin, A.-M. Dumont, M. Mouchet, A. Różańska, L. Chevallier and R. W. Goosmann A&A, 451 3 (2006) L23-L26 Published online: 04 May 2006 DOI: 10.1051/0004-6361:20064849