| Affiliation: |
| AA(; Department of Astronomy, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455; , .), AB(; Astrophysics Department, School of Physics, Sydney University, Sydney NSW 2006, Australia; .), AC(; Department of Astronomy, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455; , .), AD(; Center for Space Research, Massachusetts Institute of Technology, 70 Vassar Street, Cambridge, MA 02139; .; Hubble Fellow.), AE(; Australia Telescope National Facility, CSIRO, P.O. Box 76, Epping NSW 2121, Australia; , .), AF(; Australia Telescope National Facility, CSIRO, P.O. Box 76, Epping NSW 2121, Australia; , .) |