aat Acta Astrophys. Tau. Acta Astrophysica Taurica 2712-925X Kiselev Nikolai Nikolaevich, Mosсow, settlement Moskovskii, Tat'yanin Park Str., 12, Moscow, Russia. RU 9 10.31059/aat.vol1.iss1.pp33-38 Research articles Echelle spectrograph at the 2.6 m Shajn telescope Lagutin Aleksandr Plachinda Sergei Shakhovskoi Dmitrii Nekhai Evgenii Baklanova Dilyara Petrov Petr Crimean Astrophysical Observatory, Nauchny 298409, Crimea Crimean Astrophysical Observatory, Nauchny 298409, Crimea Crimean Astrophysical Observatory, Nauchny 298409, Crimea Crimean Astrophysical Observatory, Nauchny 298409, Crimea Crimean Astrophysical Observatory, Nauchny 298409, Crimea Crimean Astrophysical Observatory, Nauchny 298409, Crimea 15 04 2020 1 1 33 38 10 04 2020 Copyright (c) 2020 Lagutin A., Plachinda S., Shakhovskoi D., Nekhai E., Baklanova D., Petrov P. 2020 Lagutin A., Plachinda S., Shakhovskoi D., Nekhai E., Baklanova D., Petrov P. The metadata for this submission is licensed under a Creative Commons Attribution 4.0 International License. Copyright and publishing rights for texts published in Acta Astrophysica Taurica is retained by the authors, with first publication rights granted to the journal.Texts are free to use with proper attribution and link to the licensing (Creative Commons Attribution 4.0 International).

The paper describes the high-resolution echelle spectrograph ESPL developed for the coude focus of the 2.6 m Shajn reflector of the Crimean Astrophysical Observatory.  The spectrograph has been regularly operated since 2013.  Efficiency of the spectrograph is estimated from observations of stars.

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