Affiliation: | Stockholm Observatory, SCFAB, Roslagstullsbacken 21, SE-106 91 Stockholm, Sweden;SIRTF Science Center, Caltech, MS 220-6, 1200 California Bld, Pasadena, CA 91125, USA;NORDITA, Blegdamsvej 17, DK-2100 Copenhagen, Denmark;Institute of Theoretical Astrophysics, University of Oslo, PO Box 1029 Blindern, N-0315 Oslo, Norway;Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218-2686, USA |