A pyramid-based adaptive optics for the high-resolution echelle spectrograph at SAO RAS 6-m telescope

Eduard Muslimov, Gennadiy Valyavin, Vincent Chambouleyron +2

We propose a design of an adaptive optics (AO) system for the high-resolution fiber-fed echelle spectrograph installed at the Nasmyth focus of the 6-m BTA telescope at the Special…