Development of the infrared telescope in space: IRTS

Details Development of the infrared telescope in space: IRTS Development of the infrared telescope in space: IRTS

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993adspr..13..495m&link_type=abstract

Advances in Space Research (ISSN 0273-1177), vol. 13, no. 12, p. (12)495-(12)504

Computer Science

Performance

1

Astronomical Satellites, Infrared Astronomy, Infrared Telescopes, Performance Prediction, Satellite Design, Satellite-Borne Instruments, Cosmology, Cryostats, Galactic Structure, Interstellar Matter, Japanese Spacecraft, Solar System, Stars

Scientific paper

Infrared Telescope in Space (IRTS) is a cryogenically cooled small infrared telescope aboard the small space platform, SFU (pace Flyer Unit). IRTS has a telescope of 15 cm diameter, which is rather small compared with other big space missions. IRTS, however, is optimized to observe extended diffuse sources with four focal plane instruments which have side wavelength coverage from the near infrared to the submillimeter region. All instruments have been calibrated with a test cryostat, and intergrated into the flight cyrostat. Cooling tests of the whole IRTS system have confirmed that instruments and cryostat will perform as expected. Integration of the IRSTS on the SFU will soon begin and the ground tests of the SFU system will be conducted in the coming year. The launch of the SFU will be in early 1995. The IRTS will survey the approximately 10% of the sky during the three week mission and provide significant scientific results on cosmology, galactic structure, interstellar matter, stars, and the solar system.

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