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Design of an X-ray telescope system for an orbiting astronomical observatory (1974)

Sheather, P. H. ; Bowles, J. A. ; Patrick, T. J. ; [et al.]

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Publication Date: 2011-08-16

Description: The design and construction is described of a package of X-ray telescopes launched in the NASA satellite Copernicus (OAO-3), which began stellar observations in September 1972. It contains three grazing incidence reflectors covering a range of wavelengths from 0.3 to 8 nm, and having a combined collecting area of 40.9 sq cm, with angular resolutions up to 1 minute of arc. This is believed to be the first satellite application of such reflectors in stellar X-ray astronomy. A collimated detector of wavelengths 0.1-0.3 nm has a 17.8 sq cm collecting area. A visible light star tracker detects package misalignment if this should occur.

Keywords: INSTRUMENTATION AND PHOTOGRAPHY

Type: Journal of Physics; vol. 7

Format: text

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