Institution: | Department of Physics, University of Durham, South Road, Durham DH1 3LE;Department of Astronomy and Astrophysics, University of Toronto, 60 St George Street, Toronto, ON M5S 3H8, Canada;Laboratoire d'Astrophysique de Marseille, Traverse du Siphon, 13376 Marseille, France;California Institute of Technology, E. California Blvd, Pasadena, CA 91125, USA;Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA |