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Cross-correlation is a well-tested method for exoplanet characterization. A new, potentially powerful application is the measurement of atmospheric isotope ratios. In particular D/H can give unique insights into a planet's formation and…

Earth and Planetary Astrophysics · Physics 2019-02-13 P. Mollière , I. A. G. Snellen

Extrasolar planets observation and characterization by high contrast imaging instruments is set to be a very important subject in observational astronomy. Dedicated instruments are being developed to achieve this goal with very high…

Astrophysics · Physics 2009-11-13 Arthur Vigan , Maud Langlois , Claire Moutou , Kjetil Dohlen

Speckle Noise is the dominant source of error in high contrast imaging with adaptive optics system. We discuss the potential for wavefront sensing telemetry to calibrate speckle noise with sufficient precision and accuracy so that it can be…

The Keck Planet Imager and Characterizer (KPIC), a series of upgrades to the Keck II Adaptive Optics System and Instrument Suite, aims to demonstrate high-resolution spectroscopy of faint exoplanets that are spatially resolved from their…

The goal of extrinsic calibration is the alignment of sensor data to ensure an accurate representation of the surroundings and enable sensor fusion applications. From a safety perspective, sensor calibration is a key enabler of autonomous…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Ilir Tahiraj , Jeremialie Swadiryus , Felix Fent , Markus Lienkamp

High precision differential Astrometry is the branch of astronomy that evaluates the relative position, distance and motion of celestial objects with respect to the stars present in the field of view. A mission called Theia has been…

Instrumentation and Methods for Astrophysics · Physics 2024-12-02 Manon Lizzana , Fabien Malbet , Pierre Kern , Fabrice Pancher , Sébastien Soler , Thierry Lepine , Alain Leger

The atmospheres and surfaces of planets show tremendous amount of spatial variation, which has a direct effect on the spectrum of the object, even if this may not be spatially resolved. Here, we apply hyper realistic radiative simulations…

Earth and Planetary Astrophysics · Physics 2024-11-20 Vincent Kofman , Geronimo Villanueva , Thomas Fauchez , Avi Mandell , Ted Johnson , Allison Payne , Natasha Latouf , Soumil Kelkar

Santa Cruz Array of Lenslets for Exoplanet Spectroscopy (SCALES) is an instrument being designed for direct imaging of exoplanets in the infrared with the Adaptive Optics System of the W.M. Keck Observatory. The performance of SCALES will…

Instrumentation and Methods for Astrophysics · Physics 2021-09-03 Jialin Li , Andrew Skemer

Targeting dynamic spatially-extended phenomena in the upper solar atmosphere, a new instrument concept has been developed and tested at the Dunn Solar Telescope in New Mexico, USA, that provides wide-field, rapid-scanning, high-resolution…

Instrumentation and Methods for Astrophysics · Physics 2018-09-17 Thomas A. Schad , Haosheng Lin

DECal is a new calibration system for the CTIO 4 m Blanco telescope. It is currently being installed as part of the Dark Energy Survey and will provide both broadband flat fields and narrowband (about 1 nm bandwidth) spectrophotometric…

Aims: In this work, we discuss a way to combine High Dispersion Spectroscopy and High Contrast Imaging (HDS+HCI). For a planet located at a resolvable angular distance from its host star, the starlight can be reduced up to several orders of…

The far-IR spectral window plays host to a wide range of both spectroscopic and photometric diagnostics with which to open the protoplanetary disks and exoplanet research to wavelengths completely blocked by the Earth's atmosphere. These…

Earth and Planetary Astrophysics · Physics 2009-01-22 J. R. Goicoechea , K. Isaak , B. Swinyard

We propose a new kind of interferometric array that yields images of high dynamic range and large field. The numerous individual apertures in this array form a pattern related to a Fresnel zone plate. This array can be used for…

Astrophysics · Physics 2009-11-11 L. Koechlin , D. Serre , P. Duchon

The High Luminosity LHC (HL-LHC) will integrate 10 times more luminosity than the LHC, posing significant challenges for radiation tolerance and event pileup on detectors, especially for forward calorimetry, and hallmarks the issue for…

Instrumentation and Detectors · Physics 2018-02-18 Arabella Martelli

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

High harmonic generation (HHG) in solids has emerged as a powerful spectroscopic method for resolving ultrafast electron dynamics and band structure properties across a wide range of materials. However, quantitative HHG studies require…

Optics · Physics 2025-12-16 S. Mandal , P. Kumar , Z. Pi , H. Y. Kim , M. Zhan , E. Goulielmakis

We research the requirements of High Contrast Imaging when combined with the cross correlation (CC) of high resolution spectra with known spectroscopic templates for detecting and characterising exoplanets in reflected light. We simulate…

Earth and Planetary Astrophysics · Physics 2019-02-13 George A. Hawker , Ian R. Parry

We present the characterization and definitive flux calibration of the Far-Infrared Field Integral Line Spectrometer (FIFI-LS) instrument on-board SOFIA. The work is based on measurements made in the laboratory with an internal calibrator…

Instrumentation and Methods for Astrophysics · Physics 2023-10-03 Dario Fadda , Sebastian Colditz , Christian Fischer , William D. Vacca , Jason Chu , Melanie Clarke , Randolf Klein , Alfred Krabbe , Robert Minchin , Albrecht Poglitsch

The visual STELLA echelle spectrograph (SES-VIS) is a new instrument for the STELLA-II telescope at the Iza\~na observatory on Tenerife. Together with the original SES spectrograph - which will still be used in the near IR - and a new…

Instrumentation and Methods for Astrophysics · Physics 2020-12-16 Michael Weber , Klaus Strassmeier , Manfred Woche , Ilya Ilyin , Arto Järvinen

The Circumgalactic H$\alpha$ Spectrograph (CH$\alpha$S) is a ground-based optical integral field spectrograph designed to detect ultra-faint extended emission from diffuse ionized gas in the nearby universe. CH$\alpha$S is particularly well…