Infrared space observatory system study
Abstract
Advanced cryogenic infrared (IR) space observatories, such as NASA's Space Infrared Telescope Facility (SIRTF), have a variety of requirements that require resolution at the system level prior to allocation to subsystems. These requirements lead to system issues unique to cryogenic IR observatories. Three of the most important system issues are cryogenic life, optical sensitivity, and pointing and control of the observatory. In addition, the design should include the special demands of integrated observatory testing at cryogenic temperatures. Finally, the observatory must be designed to maintain the exclusion angles of the earth, sun, and moon, and to minimize heat input from the sun and earth. Some key features of each of these system issues are discussed.
- Publication:
-
Dresden International Astronautical Federation Congress
- Pub Date:
- October 1990
- Bibcode:
- 1990dres.iafcQ....G
- Keywords:
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- Cryogenic Cooling;
- Infrared Space Observatory (Iso);
- Space Infrared Telescope Facility;
- Cryogenic Temperature;
- Spacecraft Configurations;
- Spacecraft Environments;
- Thermal Protection;
- Astronomy