A highly magnetized twin-jet base pinpoints a supermassive black hole A.-K. Baczko, R. Schulz, M. Kadler, E. Ros, M. Perucho, T. P. Krichbaum, M. Böck, M. Bremer, C. Grossberger, M. Lindqvist et al. (6 more) A&A, 593 (2016) A47 Published online: 13 September 2016 DOI: 10.1051/0004-6361/201527951