Infrared Telescope in Space (IRTS) mission

Toshio Matsumoto; Hiroshi Murakami

doi:10.1117/12.255184

21 October 1996 Infrared Telescope in Space (IRTS) mission

Toshio Matsumoto, Hiroshi Murakami

Proceedings Volume 2817, Infrared Spaceborne Remote Sensing IV; (1996) https://doi.org/10.1117/12.255184
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Japanese satellite-borne infrared telescope, the Infrared Telescope in Space (IRTS), was successfully launched on March 18, 1995 UT. The IRTS consisted of a 15 cm telescope cooled with superfluid liquid helium and installed onboard the space flyer unit (SFU) spacecraft. The IRTS mission started on March 29, UT and terminated on April 26 UT after liquid helium ran out. The cryogenic system operated as designed and held the telescope and the focal-plane instruments at a stable temperature of 1.9 K for 38 days. Four focal-plane instruments which together covered almost the entire infrared wavelength range observed a sky area of about 2700 deg² and returned a wealth of new data on a variety of objects, including the zodiacal light, interstellar gas and dust, near-infrared background light and point sources.

Citation Download Citation

Toshio Matsumoto and Hiroshi Murakami "Infrared Telescope in Space (IRTS) mission", Proc. SPIE 2817, Infrared Spaceborne Remote Sensing IV, (21 October 1996); https://doi.org/10.1117/12.255184

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