= SOPHIE échelle spectrograph
{wiki=SOPHIE_échelle_spectrograph}
The SOPHIE échelle spectrograph is a high-resolution astronomical spectrograph used for the study of stellar spectra. It is primarily mounted on the 1.93-meter telescope at the Observatoire de Haute-Provence in France. SOPHIE is designed to observe the spectra of stars and is particularly well-suited for detecting exoplanets through Doppler spectroscopy, which involves measuring the slight shifts in the spectral lines of stars caused by the gravitational influence of orbiting planets.
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