| Institution: | School of Physics, University College, ADFA, UNSW, Canberra, ACT 2600, Australia; Harvard--Smithsonian Center for Astrophysics, 60 Garden Street, MS 42, Cambridge, MA 02138, USA; Leiden Observatory, Postbus 9513, 2300 RA Leiden, the Netherlands; Max-Planck-Institut für extraterrestrische Physik, Postfach 1603, D-85740 Garching, Germany; Division of Physical Sciences, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB; School of Physics, The University of New South Wales, Sydney, NSW 2052, Australia; Department of Astrophysics, Oxford University, Keble Road, Oxford OX1 3RH; Astrophysical Institute and University Observatory, Schillergächen 2, D-07745 Jena, Germany |
