1. University of Massachusetts–Lowell, 600 Suffolk Street, Lowell, Massachusetts 01854, United States
2. MIT, 77 Massachusetts Avenue, Building 33, Cambridge, Massachusetts 02139-4301, United States
3. Boston University, 725 Commonwealth Avenue, Boston, Massachusetts 02215, United States
4. NASA Goddard Space Flight Center, NASA GSFC, Code 667, Greenbelt, Maryland 20771, United States
5. Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, Maryland 21218, United States
6. Caltech, Astronomy Department, MC 249-17 1200 E. California Boulevard, Pasadena, California 91125, United States
7. University of California, Department of Physics, Santa Barbara, California 93106, United States
8. Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, California 91109-8001, United States
9. NASA, Wallops Flight Facility, Code 820 Building E 107, Wallops Island, Virginia 23337, United States