Infrared spectroradiometric system ISTOK-1 of the MIR orbital station

Details Infrared spectroradiometric system ISTOK-1 of the MIR orbital station Infrared spectroradiometric system ISTOK-1 of the MIR orbital station

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3406..119d&link_type=abstract

Proc. SPIE Vol. 3406, p. 119-134, Current Russian Research in Optics and Photonics: New Methods and Instruments for Space- and E

Physics

Optics

Scientific paper

This paper presents a first-order performance analysis of the Multichannel Infrared Spectroradiometer (MIRS) and the Visible-Infrared TV-monitor and Atmospheric Refractometer (VISIR) as the integral parts of the ISTOK-1 set of instruments that are working on the scientific module 'Priroda' of the 'Mir' orbital station. The diffraction polychromator MIRS measures thermal emission and absorption spectra of the atmosphere in the wavelengths region 4 - 16 micrometer with the spectral resolution of 0.15 - 0.3 micrometer. The CID TV-camera VISIR measures the atmospheric refraction angles by observation of the Sun rises and sets at wavelengths 1004 - 1024 nm with the accuracy of 20 arc. sec. The optical instruments are mounted upon a two-axle rotary platform which can be controlled directly by the navigation system of the station. The objectives of the ISTOK-1 experiments are the development of the methods of ecological monitoring and meteorological sounding of the Earth: tests of the new types of satellite-borned monitors, measurement geometry, simultaneous using of spectrometry and refractometry of the atmosphere. The ISTOK-1 system on the whole, its optical instruments and their pre-flight tests are discussed.

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