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- National Institute for AstrophysicsIT586 papers
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9 papers · 2 filters
The VIMOS Public Extragalactic Redshift Survey (VIPERS): PCA-based automatic cleaning and reconstruction of survey spectra
A. Marchetti, B. Garilli, B. R. Granett +34
Identifying spurious reduction artefacts in galaxy spectra is a challenge for large surveys. We present an algorithm for identifying and repairing residual spurious features in sky…
Design and advancement status of the Beam Expander Testing X-ray facility (BEaTriX)
D. Spiga, C. Pelliciari, B. Salmaso +10
The BEaTriX (Beam Expander Testing X-ray facility) project is an X-ray apparatus under construction at INAF/OAB to generate a broad (200 x 60 mm2), uniform and low-divergent X-ray…
BEaTriX, expanded X-ray beam facility for testing modular elements of telescope optics: an update
Carlo Pelliciari, Daniele Spiga, Elisa Bonnini +4
We present in this paper an update on the design of BEaTriX (Beam Expander Testing X-ray facility), an X-ray apparatus to be realized at INAF/OAB and that will generate an expanded…
Analytical computation of stray light in nested mirror modules for X-ray telescopes
Daniele Spiga
Stray light in X-ray telescopes is a well-known issue. Unlike rays focused via a double reflection by usual grazing-incidence geometries such as the Wolter-I, stray rays coming fro…
SIOUX project: a simultaneous multiband camera for exoplanet atmospheres studies
Jean Marc Christille, Aldo Stefano Bonomo, Francesco Borsa +11
The exoplanet revolution is well underway. The last decade has seen order-of-magnitude increases in the number of known planets beyond the Solar system. Detailed characterization o…
EELT-HIRES the high-resolution spectrograph for the E-ELT
A. Marconi, P. Di Marcantonio, V. D'Odorico +70
The first generation of E-ELT instruments will include an optical-infrared High Resolution Spectrograph, conventionally indicated as EELT-HIRES, which will be capable of providing…