The Orbiting Astronomical Observatory

Details The Orbiting Astronomical Observatory The Orbiting Astronomical Observatory

Apr 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975opten..14..133w&link_type=abstract

Optical Engineering, vol. 14, Mar.-Apr. 1975, p. 133-140.

Physics

Optics

Oao, Satellite-Borne Instruments, Spaceborne Astronomy, Spectrometers, Systems Engineering, Telescopes, Cassegrain Optics, Equipment Specifications, High Resolution, Instrument Errors, Instrument Packages, Measuring Instruments, Mission Planning

Scientific paper

The instruments of the orbiting astronomical observatory (OAO), which was launched on August 21, 1972, include an 80-cm aperture Cassegrain telescope, a high-resolution spectrometer to analyze the UV radiation, and a fine error sensor to position the stellar image on the entrance slit of the spectrometer. The engineering design features of the instrument system are discussed along with details regarding the spectrometer and the principles of operation of the fine error sensor. Attention is also given to the nature of the guest investigator programs conducted with the aid of the OAO.

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