Stellar spectrophotometry by means of transparent diffraction gratings.

Details Stellar spectrophotometry by means of transparent diffraction gratings. Stellar spectrophotometry by means of transparent diffraction gratings.

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991svjot..58...67a&link_type=abstract

Sov. J. Opt. Technol., Vol. 58, No. 2, p. 67 - 69

Physics

Scientific paper

This paper describes the results obtained during a digital spectrophotometry of weak stars ranging from 10m to 15m on a 0.5-m telescope by means of a set of transparent diffraction gratings, operating in a converging beam. Reduced aberrations are achieved through the use of lenses and prisms. Wavelength calibration is carried out using the emission lines of planetary nebulae. An LI-804 superisocon is used as the light receiver, and the light-signal characteristic of this device is linear within a 1:100 range within the accuracy limits of the measurements.

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