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Shamakhy Fiber Echelle Spectrograph

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Abstract

The high-resolution fiber echelle Cassegrain spectrograph for the 2-m telescope at the Shamakhy Astrophysical Observatory (ShaFES) is described. The optical circuit and the schematic of the suspended part of the spectrograph are presented. The spectrograph operates in two modes with a spectral resolution of 27 500 and 55 000 in the 370–850 nm wavelength range. The results of its testing are analyzed. The results and the procedure of test observations are detailed, and the spectrograph itself and ShaFES observational data are compared with similar instruments and the corresponding experimental data. The spectrograph provides an opportunity to measure spectra of 8m and 10m stars with a signal-to-noise ratio of S/N = 150–200 at λ = 580 nm with a 1-h exposure and resolution of R = 55 000 and 27 500, respectively.

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ACKNOWLEDGMENTS

We thank the reviewer for a careful reading of the manuscript and useful remarks.

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Authors and Affiliations

  1. Shamakhy Astrophysical Observatory, Azerbaijan National Academy of Sciences, AZ-5626, Pirgulu, Azerbaijan

    Kh. M. Mikailov, I. A. Alekberov, B. N. Rustamov & O. V. Khalilov

  2. Special Astrophysical Observatory, Russian Academy of Sciences, 369167, Nizhny Arkhyz, Karachay-Cherkessia, Russia

    F. A. Musaev

Authors
  1. Kh. M. Mikailov
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  2. F. A. Musaev
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  3. I. A. Alekberov
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  4. B. N. Rustamov
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  5. O. V. Khalilov
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Corresponding authors

Correspondence to Kh. M. Mikailov or F. A. Musaev.

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Translated by D. Safin

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Mikailov, K.M., Musaev, F.A., Alekberov, I.A. et al. Shamakhy Fiber Echelle Spectrograph. Kinemat. Phys. Celest. Bodies 36, 22–36 (2020). https://doi.org/10.3103/S0884591320010043

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  • DOI: https://doi.org/10.3103/S0884591320010043

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