Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ssi.....4..101h&link_type=abstract
Space Science Instrumentation, vol. 4, Aug. 1978, p. 101-106.
Astronomy and Astrophysics
Astronomy
1
Gamma Ray Astronomy, Image Resolution, Satellite-Borne Instruments, Spaceborne Astronomy, X Ray Telescopes, Angular Resolution, High Resolution, Image Processing, Optical Equipment, Pinholes, X Ray Astronomy
Scientific paper
This paper shows that angular-resolution, energy-range, and structural constraints on image-modulated X-ray telescopes are not fundamental and that the limits on angular resolution can be overcome by constructing such telescopes on a very large spatial scale. It is proposed that widely separated satellites be used for the modulating mask and detector array. Implementation of this concept is discussed in terms of a simple system consisting of a pinhole camera (i.e., a hole in an opaque mask on one subsatellite and a detector array on another). Advantages and problems of such systems are briefly discussed, and a solar X-ray telescope intended for deployment from a Shuttle orbiter is described. It is noted that such large-scale telescopes can be constructed to image gamma rays and even energetic neutrons as well.
Hudson Hugh S.
Lin Robert P.
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