EN Seminars

Development of high resolution optical and near infrared astronomical spectrographs at the Observatory of Geneva

by Prof. Francesco Pepe (University of Geneva), Dr Francois Wildi (University of Geneva)

30-7-018 - Kjell Johnsen Auditorium (CERN)

30-7-018 - Kjell Johnsen Auditorium


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For well over 20 years, the Observatory of Geneva (Astronomy department of the University of Geneva) has been involved in the development of high resolution CCD-based spectrographs for astronomy use. In 1995, the 1st of these instruments has allowed the discovery of the world's first extra-solar planet and since then, several hundreds of extra-solar planets have been discovered and characterized by this instrument and its followers.

In this talk we will review the science case, the design and performances of these high-resolution high stability spectrograph through the different generations with a particular focus on the last ones: ESPRESSO currently in the final integration stage at the Observatory of Geneva and NIRPS; a fully cryogenic near infrared spectrograph to study the environment of cold M stars.

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