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Detector, X-ray and Lyman Alpha, OSO-IV

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This object is on display in the Boeing Aviation Hangar at the Steven F. Udvar-Hazy Center.


Manufacturer: Naval Research Laboratory

Country of Origin: United States of America

Dimensions: 3-D: 34 x 34 x 34cm (13 3/8 x 13 3/8 x 13 3/8 in.)

Materials: Casing - aluminum Contents - aluminum, glass optics, electronics

Backup (designated "Flight Unit No. 1") for the solar X-ray and Lyman alpha detector unit that was flown in 1967 on the Orbiting Solar Observatory 4. Both detectors were designed and built at the Naval Research Laboratory (NRL) and were part of the spin section on OSO-4, studying geocoronal characteristics and monitoring solar x-rays. The shape of the instrument is reminiscent of the compartment assigned to it in the spin section. The artifact was transferred from NRL in NASM in 1992.

Transferred from the Naval Research Laboratory

Inventory number: A19930089000

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