Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983rpspr..24...33s&link_type=abstract
In its USSR Rept.: Space, No. 24 (JPRS-84161) p 33-35 (SEE N83-34982 23-12) Transl. into ENGLISH from Pravda (Moscow), 9 Apr.
Astronomy and Astrophysics
Astronomy
Soviet Spacecraft, Spaceborne Telescopes, Ultraviolet Telescopes, Fabrication, Focal Plane Devices, Mirrors, Photomultiplier Tubes, Spectral Resolution, Stabilization, Ultraviolet Spectrometers
Scientific paper
The design and fabrication of the Spika ultraviolet telescope onboard the Astron satellite is discussed. The Spika is a two-mirror telescope, the diameter of the main mirror being 80 centimeters. Both mirrors have hyperbolic surfaces providing a sufficiently large field of view. A UV spectrometer, mounted in the telescope's focal plane, is designed for photoelectric spectral recording using a scanning method in which a pallet with the photomultiplier is moved along the spectrum. The light receivers enable measurement of radiation within the range 114 to 340 nanometers. The stabilization system and the field recognition camera are also described.
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