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The fiber-fed spectrograph, a tool to detect planets

Published online by Cambridge University Press:  12 April 2016

D. Queloz ,
M. Casse  and
M. Mayor
D. Queloz
Affiliation:
JPL, 4800 Oak Grove Drive, Pasadena, CA 91109, USA
M. Casse
Affiliation:
ESO, Karl-Schwarzschild-Str. 2, D-85748 Garching b. München, Germany
M. Mayor
Affiliation:
Observatoire de Genève, 51 ch. des Maillettes, CH-1290 Sauverny, Switzerland

Abstract

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The use of fibers to feed spectrographs is a very efficient way to increase the precision of radial velocity measurements. It has already proved to be successful with the very first detection by the ELODIE fiber-fed spectrograph of the planet orbiting the star 51 Peg. The basic key properties of fibers in the very high radial velocity precision measurements context are described in this review. The ELODIE spectrograph is used to illustrate the thorium simultaneous calibration technique. The use and the effects of a double-scrambler to increase the stability of the slit illumination are also discussed.

Type
Part 1. Instruments
Information
International Astronomical Union Colloquium , Volume 170: Precise Stellar Radial Velocities , 1999 , pp. 13 - 21
Copyright
Copyright © Astronomical Society of the Pacific 1999

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