| Institution: | SIRTF Science Center, Jet Propulsion Laboratory, California Institute of Technology, Pasadena 91125, USA;Astrophysics Group, Blackett Laboratory, Imperial College, Prince Consort Road, London SW7 2BW;Astronomy Unit, Queen Mary College, Mile End Road, London E1 4NS;Centre for Astrophysics and Planetary Science, School of Physical Sciences, University of Kent, Canterbury, Kent CT2 7NR;Astronomy Centre, University of Sussex, Falmer, Brighton BN1 9QJ;Max-Planck-Institut fur Extraterrestrische Physik, Postfach 1312, 85741 Garching, Germany |
