Designs for two Fabry-Pérot etalons (15 GHz and 12.2 GHz FSR) and associated Th-Ne/U-Ar/U-Ne calibration units are presented for CARMENES, claiming internal stability better than 10 cm/s per night with thousands of reference lines.
CARMENES: Calar Alto high-Resolution search for M dwarfs with Exo-earths with a Near-infrared Echelle Spectrograph
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abstract
CARMENES, Calar Alto high-Resolution search for M dwarfs with Exo-earths with a Near-infrared Echelle Spectrograph, is a study for a next-generation instrument for the 3.5m Calar Alto Telescope to be designed, built, integrated, and operated by a consortium of nine German and Spanish institutions. Our main objective is finding habitable exoplanets around M dwarfs, which will be achieved by radial velocity measurements on the m/s level in the near-infrared, where low-mass stars emit the bulk of their radiation.
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Two Fabry-Perots and two calibration units for CARMENES
Designs for two Fabry-Pérot etalons (15 GHz and 12.2 GHz FSR) and associated Th-Ne/U-Ar/U-Ne calibration units are presented for CARMENES, claiming internal stability better than 10 cm/s per night with thousands of reference lines.