Institution: | School of Physics, Astronomy and Mathematics, University of Hertfordshire, College Lane, Hatfield, Hertfordshire AL10 9AB;Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA;H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL;Department of Astronomy, University of Virginia, PO Box 400325, Charlottesville, VA, 22904-4325, USA;Department of Astronomy, 4055 McPherson Laboratory, Ohio State University, 140 West 18th Avenue, Columbus, OH;Departamento de Astronomía y Astrofísica, Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile;Massachusetts Institute of Technology, Kavli Institute for Astrophysics and Space Research, 77 Massachusetts Avenue, Cambridge, MA 02139, USA;Max-Planck-Institut für extraterrestrische Physik, Giessenbackstrasse, D-85748, Garching, Germany;Space Research Institute, Russian Academy of Sciences, Profsoyuznaya 84/32, 117997 Moscow, Russia;Department of Physics and Astronomy, McMaster University, Hamilton, ON L8S 4M1, Canada;Laboratory for X-Ray Astrophysics, NASA Goddard Space Flight Center, Greenbelt, MD 20771;School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT;Excellence Cluster Universe, Technische Universität München, Boltzmannstr. 2, D-85748, Garching, Germany |