Computer Science – Performance
Scientific paper
May 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.5201k&link_type=abstract
American Astronomical Society, 188th AAS Meeting, #52.01; Bulletin of the American Astronomical Society, Vol. 28, p.901
Computer Science
Performance
4
Scientific paper
ESA's Infrared Space Observatory (ISO) satellite was launched successfully by Ariane flight 80 in November 1995 into an elliptical 24-hour orbit. The satellite essentially consists of a large cryostat containing superfluid liquid helium to maintain the 60-cm aperture telescope, the scientific instruments and the optical baffles at temperatures between 2K and 8K. A pointing accuracy at the arc second level is provided by a three-axis- stabilisation system. ISO's instrument complement consists of four instruments, namely: an imaging photo-polarimeter (2.5--240mu m), a camera (2.5--17mu m), a short wavelength spectrometer (3--45mu m) and a long wavelength spectrometer (43--196mu m). ISO's Mission Operations Centre is located at Villafranca, Spain and ISO is used scientifically for the nearly 17 hours a day that it spends outside the Earth's radiation belts. Following completion of a highly successful commissioning and performance verification phase, ISO is now in its routine operations phase. An overview of the scientific mission, including details of the in-orbit performance of the spacecraft and plans for observing time, will be given.
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