CUBES: a UV spectrograph for the future
Date Issued
2023
Author(s)
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Alencar, S. H. P.
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Balashev, S. A.
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Barbuy, B.
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Bastian, N.
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Battino, U.
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Bissell, L.
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Bristow, P.
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Calcines, A.
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Cambianica, P.
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Carter, B.
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Castilho, B. V.
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Christlieb, N.
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Conzelmann, R.
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Cooke, R.
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Cunha, K.
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da Silva, A. R.
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D'Auria, D.
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De Cia, A.
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Dekker, H.
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D'Elia, V.
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De Silva, G.
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Diaz, M.
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Ernandes, H.
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Evans, C.
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Fitzsimmons, A.
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Gänsicke, B.
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Giribaldi, R. E.
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Gneiding, C.
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Hansen, C. J.
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Hopgood, J.
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Izzo, L.
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Kosmalski, J.
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La Forgia, F.
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La Penna, P.
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Lazzarin, M.
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Lunney, D.
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Maciel, W.
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Marcolino, W.
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Miller, C.
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Modigliani, A.
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Noterdaeme, P.
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Opitom, C.
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Pilecki, B.
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Quirrenbach, A.
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Redaelli, E. M. A.
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Pereira, C. B.
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Rossi, S.
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Sanchez-Janssen, R.
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Schoeller, M.
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Seifert, W.
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Smiljanic, R.
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Snodgrass, C.
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Squalli, O.
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Stilz, I.
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Stürmer, J.
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Trost, A.
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Verducci, O.
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Waring, C.
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Watson, S.
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Wells, M.
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Wright, D.
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Zafar, T.
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Zins., G.
Abstract
In spite of the advent of extremely large telescopes in the UV/optical/NIR range, the current generation of 8-10m facilities is likely to remain competitive at ground- UV wavelengths for the foreseeable future. The Cassegrain U-Band E cient Spectrograph (CUBES) has been designed to provide high-e ciency (> 40%) observations in the near UV (305-400 nm requirement, 300-420 nm goal) at a spectral resolving power of R > 20,000, although a lower-resolution, sky-limited mode of R ∼ 7,000 is also planned. CUBES will o er new possibilities in many fields of astrophysics, providing access to key lines of stellar spectra: a tremendous diversity of iron-peak and heavy elements, lighter elements as well as Balmer lines and the Balmer jump. The UV range is also critical in extragalactic studies: the circumgalactic medium of distant galaxies, the contribution of different types of sources to the cosmic UV background, the measurement of H2 and primordial Deuterium in a regime of relatively transparent intergalactic medium, and follow-up of explosive transients. The CUBES project has entered Phase B, dedicated to detailed design and construction. First science operations are planned for 2028.
Coverage
HACK100
All editors
Bonifacio, P.; Molaro, P.
Volume
94
Start page
281
Issn Identifier
0037-8720
Ads BibCode
2023MmSAI..94b.281C
Rights
open.access
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