Institution: | Imperial College of Science, Technology and Medicine, Blackett Laboratory, Exhibition Road, London, SW7 2AZ;Isaac Newton Group of Telescopes, Apartado de correos 321, E-38700 Santa Cruz de la Palma, Tenerife, Spain;Institute of Astronomy, Cambridge University, Madingley Road, Cambridge, CB3 OHA;Department of Physics, University of Warwick, Coventry, CV4 7AL;University College London, Department of Physics &Astronomy, Gower Street, London, WC1E 6BT;Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA;Afdeling Sterrenkunde, Radboud Universiteit Nijmegen, Faculteit NWI, Postbus 9010, 6500 GL Nijmegen, the Netherlands;School of Physics &Astronomy, University of Southampton, Southampton, SO17 1BJ;Instituto de Astrofisica de Canarias, 38200 La Laguna, Tenerife, Spain;Astrophysics Group, Department of Physics, Bristol University, Tyndall Avenue, Bristol, BS8 1TL;School of Physics and Astronomy, University of Manchester, Sackville Street, PO Box 88, Manchester, M60 1QD;Department of Physics, Macquarie University, NSW 2109, Australia;Anglo-Australian Observatory, PO Box 296, Epping NSW 1710, Australia;Departamento de Fisica Teorica y del Cosmos, Facultad de Ciencias, Avd. Fuentenueva S/N, Granada, 18071, Spain |