The autocollimation echelle-spectrometer of the 6-m telescope

Details The autocollimation echelle-spectrometer of the 6-m telescope The autocollimation echelle-spectrometer of the 6-m telescope

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pazh...17..645k&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 17, July 1991, p. 645-652. In Russian.

Astronomy and Astrophysics

Astronomy

3

Collimation, Imaging Spectrometers, Scintillation Counters, Signal To Noise Ratios, Stellar Spectra, Ultraviolet Telescopes, Echelle Gratings, Quantum Efficiency, Spectral Resolution, Spectroscopic Telescopes, Stellar Spectrophotometry

Scientific paper

The commissioning of the autocollimation echelle-spectrometer at the 6-m telescope that can be used with a 2D photon-counting system or with a CCD-imaging system is described. Observations show that stars of 12 mag can be observed with the spectrometer with a spectral resolution of 0.2 A and a signal-to-noise ratio of more than 40. Operating with a photon-counting system, it is capable of recording 24 spectral orders; operating in the CCD mode, it can record 27 spectral orders.

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