Institution: | Astronomy Centre, University of Sussex, Falmer, Brighton BN1 9QH; Department of Physics, University of Oxford, 1 Keble Road, Oxford OX1 3NP; Institute for Astronomy, University of Edinburgh, Blackford Hill, Edinburgh EH9 3HJ; Institute of Astronomy, The Observatories, Madingley Road, Cambridge CB3 0HA; Department of Physics, University of Durham, South Road, Durham DH1 3LE; Blackett Laboratory, Imperial College, University of London, Prince Consort Road, London SW7 2BZ; Max-Planck-Institut für Physik und Astrophysik, Karl-Schwarzschildstrasse 1, D-85740 Garching, Germany |