Optical layout of the T-170M space telescope

Abstract

The optical layout of the T-170M telescope for observation of astronomical objects in the ultraviolet spectral range 0.115–0.35 μm from the spacecraft SPECTRUM-UV is described. The telescope represents a Ritchey-Chretien aplanat with an aperture 1.7 m in diameter, a relative hole of f/10, and a field of view of 0.5°. The spectrographs are designated for obtaining spectra of stars and spread objects with a resolution of 2000–50 000. It is planned to record direct images using two field cameras: a wide-angle (f/10) and a telefocus (f/75–f/100) camera. The tolerances for basic parameters and the characteristics of the optimal system of baffles and the optics control unit are given.

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Correspondence to V. Yu. Terebizh.

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Original Russian Text © A.A. Boyarchuk, N.V. Steshenko, V.Yu. Terebizh, 2008, published in Izvestiya Krymskoi Astrofizicheskoi Observatorii, 2008, Vol. 104, pp. 230–241.

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Boyarchuk, A.A., Steshenko, N.V. & Terebizh, V.Y. Optical layout of the T-170M space telescope. Bull.Crim. Astrophys. Observ. 104, 171 (2008). https://doi.org/10.3103/S0190271708010233

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Key words

  • telescopes
  • astronomical optics