| Affiliation: | Observatory, PO Box 14, University of Helsinki, Finland;European Southern Observatory, Alonso de Cordova 3107, Vitacura, Casilla 19001, Santiago 19, Chile;Astrophysics Group, Blackett Laboratory, Imperial College of Science, Technology &Medicine, Prince Consort Road, London SW7 2BZ;IUCAA, Post Bag 4, Ganeshkhind, Pune 411 007, India;Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy;Astronomy Centre, Physics and Astronomy Subject Group, School of CPES, University of Sussex, Falmer, Brighton BN1 9QJ;Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, 35122 Padova, Italy;Osservatorio Astronomico di Bologna, via Ranzani 1, 40127 Bologna, Italy;Boston University, Department of Astronomy, 725 Commonwealth Avenue, Boston, MA 02215, USA;Harvard–Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA |
