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Related papers: CODEX/ESPRESSO: the era of precision spectroscopy

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The Calar Alto Fiber-fed \'Echelle spectrograph (CAFE) is a high-resolution spectrographs with high-precision radial velocity capabilities mounted in the 2.2m telescope of Calar Alto Observatory. It suffered from strong degradation after 4…

We describe the deployment and first tests on Sky of CONCERTO, a large field-of-view (18.6arc-min) spectral-imaging instrument. The instrument operates in the range 130-310GHz from the APEX 12-meters telescope located at 5100m a.s.l. on the…

The LUXE (Laser Und XFEL Experiment) aims at studying high-field QED in electron-laser and photon-laser interactions, with the 16.5 GeV electron beam of the European XFEL and a laser beam with a power of up to 350 TW. The experiment will…

High Energy Physics - Experiment · Physics 2023-08-23 Adrián Irles

The powerful combination of the cutting-edge multi-object spectrograph MOSAIC with the world largest telescope, the ELT, will allow us to probe deeper into the Universe than was possible. MOSAIC is an extremely efficient instrument in…

The hard x-ray (10-600 keV) sky is inherently time variable and yet has neither been surveyed nor monitored with a sensitive imaging telescope. The Energetic X-ray Imaging Survey Telescope (EXIST) is a mission concept, proposed for MIDEX,…

Direct imaging of Earth-like planets from space requires dedicated observatories, combining large segmented apertures with instruments and techniques such as coronagraphs, wavefront sensors, and wavefront control in order to reach the high…

High-precision cosmology requires the analysis of large-scale surveys in 3D spherical coordinates, i.e. spherical Fourier-Bessel decomposition. Current methods are insufficient for future data-sets from wide-field cosmology surveys. The aim…

Cosmology and Nongalactic Astrophysics · Physics 2013-10-29 B. Leistedt , A. Rassat , A. Refregier , J. -L. Starck

A new generation of telescopes with mirror diameters of 20 m or more, called extremely large telescopes (ELTs) has the potential to provide unprecedented imaging and spectroscopy of exo-planetary systems, if the difficulties in achieving…

Instrumentation and Methods for Astrophysics · Physics 2016-04-20 Richard A. Frazin

Bragg spectroscopy is one of the best established experimental methods for high energy resolution X-ray measurements and has been widely used in several fields, going from fundamental physics to quantum mechanics tests, synchrotron…

Instrumentation and Detectors · Physics 2019-03-08 A. Scordo , C. Curceanu , M. Miliucci , H. Shi , F. Sirghi , J. Zmeskal

This paper summarises the design of the candidate ED for the Challenge on Learned Image Compression 2024. This candidate aims at providing an anchor based on conventional coding technologies to the learning-based approaches mostly targeted…

Image and Video Processing · Electrical Eng. & Systems 2024-01-05 Pierrick Philippe , Théo Ladune , Stéphane Davenet , Thomas Leguay

The RISTRETTO project is aiming to build an instrument that will detect the reflected light from close-by exoplanet. It is a two stage instrument: An extreme AO system in the visible, followed by a seven spaxel single mode High resolution…

Instrumentation and Methods for Astrophysics · Physics 2022-09-01 Bruno Chazelas , Christophe Lovis , Nicolas Blind , Ludovic Genolet , Ian Hughes , Michael Sordet , Robin Schnell , Anthony Carvalho , Maddalena Bugatti

Segmented telescopes are a possibility to enable large-aperture space telescopes for the direct imaging and spectroscopy of habitable worlds. However, the complexity of their aperture geometry, due to the central obstruction, support…

X-ray echo spectroscopy, a counterpart of neutron spin-echo, is being introduced here to overcome limitations in spectral resolution and weak signals of the traditional inelastic x-ray scattering (IXS) probes. An image of a point-like x-ray…

Optics · Physics 2016-02-26 Yuri Shvyd'ko

Transmission spectroscopy has proven to be an effective technique for characterizing exoplanet atmospheres. However, transmission spectroscopy requires planetary transits, which occur for only a small fraction of planetary systems due to…

Earth and Planetary Astrophysics · Physics 2025-10-24 Parvathy Menon , Sivarani T , Sriram S , Manjunath Bestha , Devika K Divakar , Rajaguru S P , Arun Surya

HIRES will be the high-resolution spectrograph of the European Extremely Large Telescope at optical and near-infrared wavelengths. It consists of three fibre-fed spectrographs providing a wavelength coverage of 0.4-1.8 mic (goal 0.35-1.8…

Instrumentation and Methods for Astrophysics · Physics 2021-03-10 Alessandro Marconi , Manuel Abreu , Vardan Adibekyan , Matteo Aliverti , Carlos Allende Prieto , Pedro J. Amado , Manuel Amate , Etienne Artigau , Sergio R. Augusto , Susana Barros , Santiago Becerril , Bjorn Benneke , Edwin Bergin , Philippe Berio , Naidu Bezawada , Isabelle Boisse , Xavier Bonfils , Francois Bouchy , Christopher Broeg , Alexandre Cabral , Rocio Calvo-Ortega , Bruno Leonardo Canto Martins , Bruno Chazelas , Andrea Chiavassa , Lise B. Christensen , Roberto Cirami , Igor Coretti , Stefano Cristiani , Vanderlei Cunha Parro , Guido Cupani , Izan de Castro Leao , Jose Renan de Medeiros , Marco Antonio Furlan de Souza , Paolo Di Marcantonio , Igor Di Varano , Valentina D'Odorico , Rene Doyon , Holger Drass , Pedro Figueira , Ana Belen Fragoso , Johan Peter Uldall Fynbo , Elena Gallo , Matteo Genoni , Jonay I. Gonzalez Hernandez , Martin Haehnelt , Julie Hlavacek Larrondo , Ian Hughes , Philipp Huke , Andrew Humphrey , Hans Kjeldsen , Andreas Korn , Driss Kouach , Marco Landoni , Jochen Liske , Christophe Lovis , David Lunney , Roberto Maiolino , Lison Malo , Thomas Marquart , Carlos J. A. P. Martins , Elena Mason , John Monnier , Manuel A. Monteiro , Christoph Mordasini , Tim Morris , Graham J. Murray , Andrzej Niedzielski , Nelson Nunes , Ernesto Oliva , Livia Origlia , Enric Palle , Giorgio Pariani , Phil Parr-Burman , Jose Penate , Francesco Pepe , Enrico Pinna , Nikolai Piskunov , Jose Luis Rasilla , Phil Rees , Rafael Rebolo , Ansgar Reiners , Marco Riva , Sylvain Rousseau , Nicoletta Sanna , Nuno C. Santos , Mirsad Sarajlic , Tzu-Chiang Shen , Francesca Sortino , Danuta Sosnowska , Sergio Sousa , Eric Stempels , Klaus G. Strassmeier , Fabio Tenegi , Andrea Tozzi , Stephane Udry , Luca Valenziano , Leonardo Vanzi , Michael Weber , Manfred Woche , Marco Xompero , Erik Zackrisson , Maria Rosa Zapatero Osorio

General-purpose multilingual vector representations, used in retrieval, regression and classification, are traditionally obtained from bidirectional encoder models. Despite their wide applicability, encoders have been recently overshadowed…

The second-generation instrument SPHERE, dedicated to high-contrast imaging, will soon be in operation on the European Very Large Telescope. Such an instrument relies on an extreme adaptive optics system coupled with a coronagraph that…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 B. Paul , J. -F. Sauvage , L. M. Mugnier , K. Dohlen , C. Petit , T. Fusco , D. Mouillet , J. -L. Beuzit , M. Ferrari

Neural speech codecs aim to compress input signals into minimal bits while maintaining content quality in a low-latency manner. However, existing neural codecs often trade model complexity for reconstruction performance. These codecs…

Sound · Computer Science 2024-10-04 Yuzhe Gu , Enmao Diao

Wide-field (> 100 deg$^2$) hard X-ray coded-aperture telescopes with high angular resolution (< 2') will enable a wide range of time domain astrophysics. For instance, transient sources such as gamma-ray bursts can be precisely localized…

Instrumentation and Methods for Astrophysics · Physics 2016-12-28 Jaesub Hong , Branden Allen , Jonathan Grindlay , Scott Barthelmy