Affiliation: | Observatoire de Strasbourg, 11, rue de l'Université, Strasbourg F-67000, France;California Institute of Technology, Pasadena, CA 91125, USA;Max-Plank-Institut für Astrophysik, Karl-Schwarzschild-Str. 1, Postfach 1317, Garching D-85741, Germany;Institute of Astronomy, Madingley Road, Cambridge CB3 0HA;Institute of Astronomy, School of Physics, A29, University of Sydney, NSW 2006, Australia |