Institution: | Observatoire de Genève, 1290 Sauverny, Switzerland;Osservatorio Astronomico di Trieste, Via G. B. Tiepolo 11, 34131 Trieste, Italy;European Southern Observatory, Karl-Schwarzchild-Str. 2, 85748 Garching bei München, Germany;Institute of Astronomy, Madingley Road, Cambridge CB3 0HA |