Astronomy and Astrophysics – Astronomy
Scientific paper
May 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jbis...39..235e&link_type=abstract
British Interplanetary Society, Journal (Space Science) (ISSN 0007-084X), vol. 39, May 1986, p. 235-240.
Astronomy and Astrophysics
Astronomy
Astronomical Observatories, Infrared Astronomy, Spaceborne Astronomy, Cameras, Focal Plane Devices, Infrared Telescopes, Polarimeters, Spacecraft Equipment, Spectrometers
Scientific paper
The Infrared Space Observatory (ISO), to be launched by ESA in 1992, is discussed with emphasis placed on its performance, instrument payload and applications in astronomy. Investigations proposed for ISO include: (1) the study of thermal and molecular emission from comets, (2) the mapping of Jupiter and Saturn in terms of emission and absorption bands, and (3) the study of star formation. Aspects of ISO design such as operational lifetime (at least 18 months), the telescope, the optics and baffle system, the detectors and orbit (12 hour), and the spacecraft are summarized as well as ISO focal plane instruments such as the camera, the photopolarimeter, the long wavelength spectrometer, and the short wavelength spectrometer. It is noted that ISO performance depends on the following factors: (1) the intrinsic sensitivity of the detectors, (2) the efficiency of the instrument, (3) the limitations imposed by the telescope, and (4) limitations arising from the IR sky.
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