CARMENES: Calar Alto high-resolution search for M dwarfs with exo-earths with a near-infrared Echelle spectrograph

Quirrenbach, A.; Amado, P. J.; Mandel, H.; Caballero, J. A.; Ribas, I.; Reiners, A.; Mundt, R.; Abril, M.; Afonso, C.; Bean, J. L.; Bejar, V. J. S.; Becerril, S.; Boehm, A.; Cardenas, C.; Claret, A.; Colome, J.; Costillo, L. P.; Dreizler, S.; Fernández, M.; Francisco, X.; Garrido, R.; González Hernández, J. I.; Guenther, E. W.; Gutiérrez-Soto, J.; Joergens, V.; Hatzes, A. P.; Henning, T.; Herrero, E.; Kurster, M.; Laun, W.; Lenzen, R.; Mall, U.; Martin, E. L.; Martin-Ruiz, S.; Montes, D.; Morales, J. C.; Morales Muñoz, R.; Moya, A.; Naranjo, V.; Rabaza, O.; Ramon, A.; Rebolo, R.; Reffert, S.; Rodler, F.; Rodríguez, E.; Rodríguez Trinidad, A.; Rohloff, R. -R.; Sánchez Carrasco, M. A.; Schmidt, C.; Seifert, W.; Setiawan, J.; Stahl, O.; Suárez, J. C.; Wiedemann, G.; del Burgo, C.; Galadí, D.; Sánchez-Blanco, E.; Xu, W.
Ground-based and Airborne Instrumentation for Astronomy III. Edited by McLean, Ian S.; Ramsay, Suzanne K.; Takami, Hideki. Proceedings of the SPIE, Volume 7735, pp. 773513-773513-14 (2010).


CARMENES (Calar Alto high-Resolution search for M dwarfs with Exo-earths with Near-infrared and optical Echelle Spectrographs) is a next-generation instrument to be built for the 3.5m telescope at the Calar Alto Observatory by a consortium of Spanish and German institutions. Conducting a five-year exoplanet survey targeting ~ 300 M stars with the completed instrument is an integral part of the project. The CARMENES instrument consists of two separate spectrographs covering the wavelength range from 0.52 to 1.7 μm at a spectral resolution of R = 85, 000, fed by fibers from the Cassegrain focus of the telescope. The spectrographs are housed in a temperature-stabilized environment in vacuum tanks, to enable a 1m/s radial velocity precision employing a simultaneous ThAr calibration.