NASA Infrared Telescopes Facility
The Infrared Telescopes Facility or IRTF of NASA is a infra-red Télescope 3 meters in diameter, located at 4168 meters on the top of the Mauna Kea. It was created on the initiative of NASA to facilitate the preparation of the space missions in the Solar system. Its First light took place in 1979. The telescope is managed by the Institut for Astronomy of the Université of Hawaii, on behalf of NASA. The operational seats are with Hilo and Honolulu. The telescope is optimized for the observation in Infrarouge with wavelengths ranging between 1 and 25 Micron S. Its mirror of 3,0 meters is in Cervit 201TM and with a thickness of 345 millimetres on the edge.
Observations
50% of the time of observation are reserved for the objects of the solar system. One of the most important programs of observation is the study of the Volcanisme of Io, satellite of Jupiter. Io is one of the most active bodies of the solar system at the geological level. The dozen active volcanos constantly renew the surface of this moon. The IRTF studies in particular the volcano Loki. The IRTF also took part in the mission Cassini, by studying the atmosphere of Saturn, its satellite rings and its . The IRTF made also it possible to make a chart of the Eau and Méthane of the atmosphere of Mars, and is used for the measurement of the composition of the Astéroïde S and the Comet S.
It observes very young people star S of our Milky Way to know the genesis of the planets around other stars.
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