VIRTIS
VIRTIS (Visible and Infrared Thermal Imaging Spectrometer) maps and studies the nature of the solids and the temperature on the surface of the nucleus. Also identifies comet gases, characterises the physical conditions of the coma and helps to identify the best landing sites.
Principal Investigator: Fabrizio Capaccioni, Istituto di Astrofisica e Planetologia Spaziali, Rome, Italy.