Abstract
We describe the design of a suspended low- and medium-resolution spectrograph (R ≈ 300–1300) designed and made at the Special Astrophysical Observatory of the Russian Academy of Sciences for the 1.6-m AZT-33IK telescope of Sayan Observatory of the Institute of Solar-Terrestrial Physics of the Siberian Branch of the Russian Academy of Sciences. We report the results of laboratory measurements of the parameters of the instrument and tests performed on the 1-m Zeiss-1000 telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences. We measured the total quantum efficiency of the “spectrograph + telescope + detector” system on AZT-33IK telescope, which at its maximum reaches 56%. Such a hight transparency of the spectrograph allows it to be used with the 1.6-m telescope to determine the types and redshifts of objects with integrated magnitudes m AB ≈ 20–21, and this result was confirmed by actual observations.
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Original Russian Text © V.L. Afanasiev, S.N. Dodonov, V.R. Amirkhanyan, A.V. Moiseev, 2016, published in Astrofizicheskii Byulleten’, 2016, Vol. 71, No. 4, pp. 514–524.
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Afanasiev, V.L., Dodonov, S.N., Amirkhanyan, V.R. et al. ADAM low- and medium-resolution spectrograph for 1.6-m AZT-33IK telescope. Astrophys. Bull. 71, 479–488 (2016). https://doi.org/10.1134/S1990341316040118
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DOI: https://doi.org/10.1134/S1990341316040118