Polarized light from Sagittarius A* in the near-infrared Ks-band B. Shahzamanian, A. Eckart, M. Valencia-S., G. Witzel, M. Zamaninasab, N. Sabha, M. García-Marín, V. Karas, G. D. Karssen, A. Borkar et al. (6 more) A&A, 576 (2015) A20 Published online: 16 March 2015 DOI: 10.1051/0004-6361/201425239