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- Title
The CUBES science case.
- Authors
Evans, Chris; Cristiani, Stefano; Opitom, Cyrielle; Cescutti, Gabriele; D'Odorico, Valentina; Alcalá, Juan Manuel; Alencar, Silvia H. P.; Balashev, Sergei; Barbuy, Beatriz; Bastian, Nate; Battino, Umberto; Cambianica, Pamela; Carini, Roberta; Carter, Brad; Cassisi, Santi; Vaz Castilho, Bruno; Christlieb, Norbert; Cooke, Ryan; Covino, Stefano; Cremonese, Gabriele
- Abstract
We introduce the scientific motivations for the development of the Cassegrain U-Band Efficient Spectrograph (CUBES) that is now in construction for the Very Large Telescope. The assembled cases span a broad range of contemporary topics across Solar System, Galactic and extragalactic astronomy, where observations are limited by the performance of current ground-based spectrographs shortwards of 400 nm. A brief background to each case is presented and specific technical requirements on the instrument design that flow-down from each case are identified. These were used as inputs to the CUBES design, that will provide a factor of ten gain in efficiency for astronomical spectroscopy over 300-405 nm, at resolving powers of R ∼ 24,000 and ∼ 7,000. We include performance estimates that demonstrate the ability of CUBES to observe sources that are up to three magnitudes fainter than currently possible at ground-ultraviolet wavelengths, and we place its predicted performance in the context of existing facillities.
- Subjects
VERY large telescopes; CUBES; ASTRONOMICAL spectroscopy; SOLAR system; SPECTROGRAPHS
- Publication
Experimental Astronomy, 2023, Vol 55, Issue 1, p1
- ISSN
0922-6435
- Publication type
Article
- DOI
10.1007/s10686-022-09864-7