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The Mid-Infrared Instrument (MIRI) for JWST is supplied with a suite of imaging bandpass filters optimized for full spectral coverage in eight intermediate-width bands from 5 to 26 microns and a narrower one at 11.3 microns. This contrasts…

We present the extraction and processing of the IUE Low Dispersion spectra within the framework of the ESA ``IUE Newly Extracted Spectra'' (INES) System. Weak points of SWET, the optimal extraction implementation to produce the NEWSIPS…

Astrophysics · Physics 2007-05-23 P. M. Rodriguez-Pascual , R. Gonzalez-Riestra , N. Schartel , W. Wamsteker

The Fourier transform spectrometer (FTS) is a core instrument for solar observation with high spectral resolution, especially in the infrared. The Infrared System for the Accurate Measurement of Solar Magnetic Field (AIMS), working at 10-13…

Solar and Stellar Astrophysics · Physics 2021-12-08 Xianyong Bai , Zhiyong Zhang , Zhiwei Feng , Yuanyong Deng , Xingming Bao , Xiao Yang , Yongliang Song , Liyue Tong , Shuai Jing

METIS is one of the three first-light instruments planned for the ELT, mainly dedicated to high contrast imaging in the mid-infrared. On the SPHERE high-contrast instrument currently installed at the VLT, we observe that one of the main…

We present the data reduction pipeline, MEAD, for Arizona Lenslets for Exoplanet Spectroscopy (ALES), the first thermal infrared integral field spectrograph designed for high-contrast imaging. ALES is an upgrade of LMIRCam, the $1-5\,\mu$m…

Non-common path quasi-static and differential aberrations are one of the big hurdles of direct imaging for current and future high-contrast imaging instruments. They increase speckle and photon noise thus reducing the achievable contrast…

Instrumentation and Methods for Astrophysics · Physics 2024-07-22 Gilles Orban de Xivry , Olivier Absil , Christian Delacroix , Prashant Pathak , Maxime Quesnel , Thomas Bertram

We present the efficiency of near-infrared reflective ruled diffraction gratings designed for the InfraRed Imaging Spectrograph (IRIS). IRIS is a first light, integral field spectrograph and imager for the Thirty Meter Telescope (TMT) and…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Elliot Meyer , Shaojie Chen , Shelley A. Wright , Anna M. Moore , James E. Larkin , Luc Simard , Jerome Maire , Etsuko Mieda , Jacob Gordon

As telescopes get larger, the size of a seeing-limited spectrograph for a given resolving power becomes larger also, and for ELTs the size will be so great that high resolution instruments of simple design will be infeasible. Solutions…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 J. Gordon Robertson , Joss Bland-Hawthorn

The HERMES high-resolution spectrograph project aims at exploiting the specific potential of small but flexible telescopes in observational astrophysics. The optimised optical design of the spectrograph is based on the well-proven concept…

We describe a concept for an imaging spectrograph for a large orbiting observatory such as NASA's proposed Next Generation Space Telescope (NGST) based on an imaging Fourier transform spectrograph (IFTS). An IFTS has several important…

Astrophysics · Physics 2009-10-30 James R. Graham , Mark Abrams , C. Bennett , J. Carr , K. Cook , A. Dey , J. Najita , E. Wishnow

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

ADI and SDI are well-established high-contrast imaging techniques, but their application is challenging for companions at small angular separations. The aim of this paper is to investigate to what extent adaptive-optics assisted,…

Earth and Planetary Astrophysics · Physics 2018-10-03 H. J. Hoeijmakers , H. Schwarz , I. A. G. Snellen , R. J. de Kok , M. Bonnefoy , G. Chauvin , A. M. Lagrange , J. H. Girard

Integral field spectrographs are an important technology for exoplanet imaging, due to their ability to take spectra in a high-contrast environment, and improve planet detection sensitivity through spectral differential imaging. ALES is the…

We discuss the design and performance of TEXES, the Texas Echelon Cross Echelle Spectrograph. TEXES is a mid-infrared (5-25 um) spectrograph with several operating modes: high-resolution, cross-dispersed with a resolving power of R=100,000,…

Astrophysics · Physics 2009-11-07 J. H. Lacy , M. J. Richter , T. K. Greathouse , D. T. Jaffe , Q. Zhu

Natural (such as lunar) occultations have long been used to study sources on small angular scales, while coronographs have been used to study high contrast sources. We propose launching the Improved Resolution and Image Selection (IRIS)…

Astrophysics · Physics 2016-08-30 Glenn D. Starkman , Craig J Copi

The Enhanced Resolution Imager and Spectrograph (ERIS) is the new Adaptive-Optics (AO) assisted Infrared instrument at the Very Large Telescope (VLT). Its refurbished Integral Field Spectrograph (IFS) SPIFFIER leverages a new AO module,…

SCALES (Slicer Combined with an Array of Lenslets for Exoplanet Spectroscopy) is a 2 to 5 micron high-contrast lenslet-based Integral Field Spectrograph (IFS) designed to characterize exoplanets and their atmospheres. Like other…

Instrumentation and Methods for Astrophysics · Physics 2022-08-25 Deno Stelter , Andrew J. Skemer , Renate Kupke , Cyril Bourgenot , Raquel A. Martinez , Stephanie E. Sallum

We are proposing to build a new integral field instrument (OSIRIS) for use with the Keck Adaptive Optics System. It will utilize a large (1024 element) fiber optic bundle to slice the field and feed a standard infrared spectrograph with a…

Astrophysics · Physics 2007-05-23 J. E. Larkin , A. Quirrenbach , J. R. Graham

HIRES, a high resolution spectrometer, is one of the first five instruments foreseen in the ESO roadmap for the E-ELT. This spectrograph should ideally provide full spectral coverage from the UV limit to 2.5 microns, with a resolving power…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 N. Sanna , E. Oliva , F. Massi , G. Cresci , L. Origlia

The Far-Infrared Surveyor (FIS) onboard the AKARI satellite has a spectroscopic capability provided by a Fourier transform spectrometer (FIS-FTS). FIS-FTS is the first space-borne imaging FTS dedicated to far-infrared astronomical…