Mathematics – Logic
Scientific paper
Jun 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995spie.2478..305p&link_type=abstract
Proc. SPIE Vol. 2478, p. 305-314, Space Telescopes and Instruments, Pierre Y. Bely; James B. Breckinridge; Eds.
Mathematics
Logic
Scientific paper
Mirror telescopes are designed. Primary mirrors diameter is from 13 cm to 80 cm, field-of- view is up to 15 degree and speed is up to F/1.2. The back focal distance is rather long and convenient for using large receivers, shutters, and filters. There is the telescope consisting of spherical mirrors only. Another telescope consists of three spherical mirrors and only primary mirror is aspherical one. It is intended to cool some mirrors with liquid helium in the space. It is proposed to use these telescopes for ecological space investigations of the Earth surface in large spectral range. The telescope D equals 80 cm was successfully used in the space.
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