Polarimetry of near-infrared flares from Sagittarius A* A. Eckart, R. Schödel, L. Meyer, S. Trippe, T. Ott and R. Genzel A&A, 455 1 (2006) 1-10 Published online: 31 July 2006 DOI: 10.1051/0004-6361:20064948