Instrumentation

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Plan of the observatory »

Telescope

Gregory-Coudé, evacuated, primary mirror has a diameter of 45 cm, total focal length: 25 m.

Spectrograph

Czerny-Turner, focal length: 10 m, grating 180 mm x 360 mm, 316 lines / mm, blaze 63°.

Polarimeter

Zurich IMaging Polarimeter (ZIMPOL). Sensitivity can reach 0.001%.

Fabry-Perot filter system

Tunable narrow-band filter system based on two lithium-niobate Fabry-Perot etalons. It allows monochromatic imaging at any wavelength from 395 nm to 660 nm.

Adaptive optic system

Tip-tilt and deformable mirror with 37 actuators.

Telescope scheme

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