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CODEX: measuring the acceleration of the universe and beyond

Published online by Cambridge University Press:  17 May 2006

Luca Pasquini ,
S. Cristiani ,
H. Dekker ,
M. Haehnelt ,
P. Molaro ,
F. Pepe ,
G. Avila ,
B. Delabre ,
S. D'Odorico  and
J. Liske
...Show all authors
Luca Pasquini
Affiliation:
European Southern Observatory, Garching, Germany email: lpasquin@eso.org
S. Cristiani
Affiliation:
INAF-Osservatorio Astronomico di Trieste, Italy
H. Dekker
Affiliation:
European Southern Observatory, Garching, Germany email: lpasquin@eso.org
M. Haehnelt
Affiliation:
Institute of Astronomy, Cambridge University, United Kingdom
P. Molaro
Affiliation:
INAF-Osservatorio Astronomico di Trieste, Italy
F. Pepe
Affiliation:
Observatoire de Geneve, Switzerland
G. Avila
Affiliation:
European Southern Observatory, Garching, Germany email: lpasquin@eso.org
B. Delabre
Affiliation:
European Southern Observatory, Garching, Germany email: lpasquin@eso.org
S. D'Odorico
Affiliation:
European Southern Observatory, Garching, Germany email: lpasquin@eso.org
J. Liske
Affiliation:
European Southern Observatory, Garching, Germany email: lpasquin@eso.org
P. Shaver
Affiliation:
European Southern Observatory, Garching, Germany email: lpasquin@eso.org
P. Bonifacio
Affiliation:
INAF-Osservatorio Astronomico di Trieste, Italy
S. Borgani
Affiliation:
INAF-Osservatorio Astronomico di Trieste, Italy
V. D'Odorico
Affiliation:
INAF-Osservatorio Astronomico di Trieste, Italy
E. Vanzella
Affiliation:
INAF-Osservatorio Astronomico di Trieste, Italy
F. Bouchy
Affiliation:
Observatoire de Geneve, Switzerland
M. Dessauges
Affiliation:
Observatoire de Geneve, Switzerland
C. Lovis
Affiliation:
Observatoire de Geneve, Switzerland
M. Mayor
Affiliation:
Observatoire de Geneve, Switzerland
D. Queloz
Affiliation:
Observatoire de Geneve, Switzerland
S. Udry
Affiliation:
Observatoire de Geneve, Switzerland
M. Murphy
Affiliation:
Institute of Astronomy, Cambridge University, United Kingdom
M. Viel
Affiliation:
Institute of Astronomy, Cambridge University, United Kingdom
A. Grazian
Affiliation:
INAF-Osservatorio Astronomico di Roma, Italy
S. Levshakov
Affiliation:
Ioffe Physical-Technical Institute, St. Petesburg, Russian Federation
L. Moscardini
Affiliation:
University of Bologna, Italy
T. Wiklind
Affiliation:
ESA-STSci, Baltimore, USA
S. Zucker
Affiliation:
Weizmann Institute of Science, Tel Aviv, Israel
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Abstract

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The combination of the collecting power of an ELT with an ultra-stable high resolution spectrograph opens up the possibility to measure for the first time directly the dynamical effect of the acceleration of the Universe. CODEX will also provide unique opportunities for advance in many other branches of astrophysics. The CODEX design is based on an array of several identical spectrographs. It is highly modular and can be easily adapted to a large range of sky apertures and telescope diameters. CODEX is designed to work as a seeing limited instrument. The requirements for the telescope are moderate and clearly identified.

Keywords

Quasars: absorption linesTechniques: radial velocitiesCosmology: observations