Institution: | Max-Planck-Institut für Astrophysik, D-85748 Garching, Germany;Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, USA;Institut d'Astrophysique du CNRS, 98 bis Boulevard Arago, F-75014 Paris, France;Apache Point Observatory, PO Box 59, Sunspot, NM 88349, USA;Institute for Cosmic Ray Research, University of Tokyo, Chiba 277-8582, Japan;Departamento de Astronomía y Astrofísica, Facultad de Física, Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile;Princeton University Observatory, Peyton Hall, Princeton, NJ 08544-1001, USA;Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, PA 16802, USA |