Affiliation: | Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Strasse 1, D-85741 Garching, Germany;Centre d'Estude Spatiale des Rayonnements, CNRS-UPS 9, Avenue du Colonel Roche, 31028 Toulouse Cedex 4, France;Institute of Astronomy, Madingley Road, Cambridge CB3 0HA;Physics Department, College of the Holy Cross, Worcester, MA 01610, USA |