First simultaneous NIR/X-ray detection of a flare from Sgr A* A. Eckart, F. K. Baganoff, M. Morris, M. W. Bautz, W. N. Brandt, G. P. Garmire, R. Genzel, T. Ott, G. R. Ricker, C. Straubmeier et al. (4 more) A&A, 427 1 (2004) 1-11 Published online: 25 October 2004 DOI: 10.1051/0004-6361:20040495