1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena 91109., Visiting astronomers at the Infrared Telescope Facility, operated by the University of Hawaii under contract to NASA.
2. Institute for Astronomy, University of Hawaii, Honolulu 96822., Visiting astronomers at the Infrared Telescope Facility, operated by the University of Hawaii under contract to NASA.
3. Member of the Planetary Geosciences Division, Hawaii Institute for Geophysics, University of Hawaii, Honolulu., Visiting astronomers at the Infrared Telescope Facility, operated by the University of Hawaii under contract to NASA.