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CODEX: measuring the acceleration of the universe and beyond

  • Luca Pasquini (a1), S. Cristiani (a2), H. Dekker (a1), M. Haehnelt (a3), P. Molaro (a2), F. Pepe (a4), G. Avila (a1), B. Delabre (a1), S. D'Odorico (a1), J. Liske (a1), P. Shaver (a1), P. Bonifacio (a2), S. Borgani (a2), V. D'Odorico (a2), E. Vanzella (a2), F. Bouchy (a4), M. Dessauges (a4), C. Lovis (a4), M. Mayor (a4), D. Queloz (a4), S. Udry (a4), M. Murphy (a3), M. Viel (a3), A. Grazian (a5), S. Levshakov (a6), L. Moscardini (a7), T. Wiklind (a8) and S. Zucker (a9)...

Abstract

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.

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