Precision stellar radial velocity measurements with FIDEOS at the ESO 1-m telescope of La Silla

L. Vanzi, A. Zapata, M. Flores, R. Brahm, M. Tala Pinto, S. Rukdee, M. Jones, S. Ropert, T. Shen, S. Ramirez, V. Suc, A. Jordán, N. Espinoza

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

9 Citas (Scopus)

Resumen

We present results from the commissioning and early science programs of FIbre Dual Echelle Optical Spectrograph (FIDEOS), the new high-resolution echelle spectrograph developed at the Centre of Astro Engineering of Pontificia Universidad Catolica de Chile, and recently installed at the ESO 1-m telescope of La Silla. The instrument provides spectral resolution R ∼ 43 000 in the visible spectral range 420-800 nm, reaching a limiting magnitude of 11 in V band. Precision in the measurement of radial velocity is guaranteed by light feeding with an octagonal optical fibre, suitable mechanical isolation, thermal stabilization, and simultaneous wavelength calibration. Currently the instrument reaches radial velocity stability of ∼8 m s-1 over several consecutive nights of observation.

Idioma originalInglés
Páginas (desde-hasta)5041-5051
Número de páginas11
PublicaciónMonthly Notices of the Royal Astronomical Society
Volumen477
N.º4
DOI
EstadoPublicada - jul. 2018
Publicado de forma externa

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