Unveiling UV-bright stellar populations in red and dead galaxies with CUBES

Ali, Sadman Shariar; Propris, Roberto De

doi:10.1007/s10686-022-09849-6

Cited by 1 publication

(1 citation statement)

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“…Given its efficiency, the spectral range and the resolution, CUBES will not only be able to fulfill the main scientific objectives, but also open a new parameter space in observational astronomy [17][18][19] with hopefully many new and unexpected results. The current workhorse for quantitative spectroscopy at these short wavelengths is UVES, but its efficiency drops to just a few percent in the near-UV.…”

Section: A Treasure Trove Of Sciencementioning

confidence: 99%

CUBES: the Cassegrain U-band Efficient Spectrograph

Cristiani

Alcalá

Silvia³

et al. 2022

Ground-Based and Airborne Instrumentation for Astronomy IX

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In the era of Extremely Large Telescopes, the current generation of 8-10m facilities are likely to remain competitive at ground-UV wavelengths for the foreseeable future. The Cassegrain U-Band Efficient Spectrograph (CUBES) has been designed to provide high-efficiency (> 40%) observations in the near UV (305-400 nm requirement, 300-420 nm goal) at a spectral resolving power of R > 20, 000 (with a lower-resolution, sky-limited mode of R ∼ 7, 000). With the design focusing on maximizing the instrument throughput (ensuring a Signal to Noise Ratio (SNR)∼ 20 per high-resolution element at 313 nm for U ∼ 18.5 mag objects in 1h of observations), it will offer 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 (in particular Beryllium) and light-element molecules (CO, CN, OH), as well as Balmer lines and the Balmer jump (particularly important for young stellar objects). 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 H 2 and primordial Deuterium in a regime of relatively transparent intergalactic medium, and follow-up of explosive transients. The CUBES project completed a Phase A conceptual design in June 2021 and has now entered the detailed design and construction phase. First science operations are planned for 2028.

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Section: A Treasure Trove Of Sciencementioning

confidence: 99%