Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ssmt.rept..239m&link_type=abstract
In ESA, Spacecraft Structures and Mechanical Testing p 239-245 (SEE N90-10986 02-18)
Astronomy and Astrophysics
Astronomy
Cryogenics, Infrared Astronomy Satellite, Infrared Space Observatory (Iso), Infrared Telescopes, Satellite Design, Cryopumping, Infrared Astronomy, Infrared Detectors, Infrared Radiation, Satellite Imagery, Satellite-Borne Instruments, Test Facilities
Scientific paper
The structure and development of the Infrared Space Observatory (ISO) satellite developed by Aerospatiale for the European Space Agency is outlined. The ISO satellite, scheduled for launch in April 1993, carries a 60 cm Ritchey-Chretien telescope designed to detect wavelengths between 2 and 200 nanometers. In order to maintain the kind of precision necessary, the optics are cooled to 4 k. The cryogenic system using liquid helium is described. The mechanical and optical techniques used in the project are outlined and the cryogenic test facilities used in developing the satellite, are described.
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