Affiliation: | 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;(AE) Centro de Investigaciones de Astronomia, Merida, Venezuela;Department of Astronomy, University of Chicago, 5640 South Ellis Ave, Chicago, IL 60637, USA;Department of Physics, New York University, 4 Washington Place, New York, NY 10003, USA;Apache Point Observatory, PO Box 59, Sunspot, NM 88349, USA;Department of Physics, Yale University, PO Box 208121, New Haven, CT 06520, USA;Department of Physics, Eotvos Lorand University, Pf. 32, H-1518 Budapest, Hungary;Institute for Cosmic Ray Research, University of Tokyo, Chiba 277-8582, Japan;Princeton University Observatory, Peyton Hall, Princeton NJ 08544-1001, USA;US Naval Observatory, Flagstaff Station, PO Box 1149, Flagstaff, AZ 86002, USA;Department of Physics, Carnegie Mellon University, 5000 Forbes Ave, Pittsburgh, PA 15232, USA;Department of Physics, Princeton University, Princeton NJ 08544, USA;Department of Astronomy, Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA |