The thermal instability of the warm absorber in NGC 3783 R. W. Goosmann, T. Holczer, M. Mouchet, A.-M. Dumont, E. Behar, O. Godet, A. C. Gonçalves and S. Kaspi A&A, 589 (2016) A76 Published online: 15 April 2016 DOI: 10.1051/0004-6361/201425199