activity
19972024
most citedAstrometric and photometric study of Dias 4, Dias 6 and other five open clusters using ground based and Gaia DR2 data

34 citations · 86 across the 8 of their papers we have counts for

collaborators
Showing astro-ph.IMShow all

6 papers · 1 filter

astro-ph.IM2024

SPARC4 control system

Denis Bernardes, Orlando Verducci Junior, Francisco Rodrigues +15

SPARC4 is a new astronomical instrument developed entirely by Brazilian institutions, currently installed on the 1.6-m Perkin-Elmer telescope of the Pico dos Dias Observatory. It a…

astro-ph.IM2022★ 1 cited

CUBES: a UV spectrograph for the future

S. Covino, S. Cristiani, J. M. Alcala' +86

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 wavelength…

astro-ph.IM2022

CUBES, the Cassegrain U-Band Efficient Spectrograph

S. Cristiani, J. M. Alcalá, S. H. P. Alencar +74

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 Casse…

astro-ph.IM2022★ 7 cited

CUBES Phase A design overview -- The Cassegrain U-Band Efficient Spectrograph for the Very Large Telescope

Alessio Zanutta, Stefano Cristiani, David Atkinson +51

We present the baseline conceptual design of the Cassegrain U-Band Efficient Spectrograph (CUBES) for the Very Large Telescope. CUBES will provide unprecedented sensitivity for spe…

astro-ph.IM2014★ 7 cited

Studying focal ratio degradation of optical fibers for Subaru Prime Focus Spectrograph

Jesulino Bispo dos Santos, Antonio Cesar de Oliveira, James Gunn +9

Focal Ration Degradation (FRD) is a change in light angular distribution caused by fiber optics. FRD is important to fiber-fed, spectroscopic astronomical systems because it can ca…

astro-ph.IM2014★ 14 cited

Fiber Optical Cable and Connector System (FOCCoS) for PFS/Subaru

Antonio Cesar de Oliveira, Lígia Souza de Oliveira, Márcio V. de Arruda +29

FOCCoS, Fiber Optical Cable and Connector System, has the main function of capturing the direct light from the focal plane of Subaru Telescope using optical fibers, each one with a…