| Institution: | Department of Physical Sciences, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB;Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, I-50125, Firenze, Italy;Space Telecope European Coordinating Facitily, Karl Schwarschild Str. 2, D-85748 Garching, bei Muenchen, Germany;Max Plank Institute fur Astronomie, Konigstuhl 17, D-69117 Heidelberg, Germany;California Institute of Technology, Mail Stop 105-24, Pasadena, CA 91125, USA;W.M.Keck Observatory 65-1120 Mamalahoa Highway, Kamuela, HI 96742, USA |
