Quick Facts
Mission Name OSO-8: Orbiting Solar Observatory-8

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LASP Instruments High-Resolution Ultraviolet Spectrometer Measurements
Principal Investigator: Charles A Barth
Destination Approx 550 km Earth Orbit
Launch Date June 21st, 1975
Launch Location Kennedy Space Center
Launch Vehicle Delta
Mission Duration 3 1/3 years
Mission Description/
LASP involvement
LASP Divisions Involved Science
LASP Mission Web Page  
Official Mission Web Page

The Science and Goal
oso The objectives of the OSO satellite series were to perform solar physics experiments above the atmosphere during a complete solar cycle and to map the entire celestial sphere for direction and intensity of UV light, X-ray radiation, and gamma-ray radiation. The OSO 8 platform consisted of a sail section, which pointed two experiments continually toward the sun, and a wheel section, which spun about an axis perpendicular to the pointing direction of the sail and carried five experiments. Gas jets and a magnetic torquing coil performed attitude adjustment. Pointing control permitted the pointed experiments to scan the region of the solar disk in a 40- by 40-arc-min to 60- by 60-arc-min raster pattern. In addition, the pointed section was capable of being commanded to select and scan a 1- by 1-arc-min or 5- by 5-arc-min region anywhere on the solar disk. Data were simultaneously recorded on tape and transmitted by PCM/PM telemetry. A command system provided for at least 512 ground-based commands. For more information, see S. P. Maran and R. J. Thomas, Sky & Teles., v. 49, p. 355, 1975.

(This information taken from:

LASP Involvelment (more)
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University of Colorado at Boulder

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