Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976aiaa.meetq....w&link_type=abstract
American Institute of Aeronautics and Astronautics, Aerospace Sciences Meeting, 14th, Washington, D.C., Jan. 26-28, 1976, 12 p.
Astronomy and Astrophysics
Astronomy
Infrared Astronomy, Space Infrared Telescope Facility, Space Shuttle Orbiters, Spaceborne Telescopes, Spacelab, Background Radiation, Design Analysis, European Space Programs, Infrared Instruments, Nasa Programs, Sensitivity
Scientific paper
NASA has completed a preliminary design study of a 1.2 m, cooled infrared telescope for use on 7 to 28 day Spacelab missions. Beryllium optics, cooled to below 20 K with supercritical helium, are used. Noise in the infrared telescope will be less by a factor of 1,000 than that of ground-based telescopes operating at 10 microns (when the telescopes are operated over comparable bandwidths and fields of view). The Spacelab infrared telescope facility will enable astronomers to see more than 30 times deeper into the universe than is now possible over most of its 5-200 microns optimum spectral range. Such capability will initiate a spectacular advance in our knowledge and understanding of the cool regions of the universe where molecules and dust are the predominant radiators and absorbers.
Witteborn Fred. C.
Young Lai-Sang
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