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Integral-field spectroscopy is the most effective method of exploiting the superb image quality of the ESO-VLT, allowing complex astrophysical processes to be probed on the angular scales currently accessible only for imaging data, but with…

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,…

The Prototype Imaging Spectrograph for Coronagraphic Exoplanet Studies (PISCES) is a high contrast integral field spectrograph (IFS) whose design was driven by WFIRST coronagraph instrument requirements. We present commissioning and…

Various structures are visible within Spectro-Polarimetric High-contrast Exoplanet REsearch instrument (SPHERE) images that are not always straightforward to interpret. In this article we present a review of these features and demonstrate…

天体物理仪器与方法 · 物理学 2019-07-09 Faustine Cantalloube , Kjetil Dohlen , Julien Milli , Wolfgang Brandner , Arthur Vigan

Aims: Integral Field Spectroscopy (IFS) is a powerful approach for the study of nearby galaxies since it enables a detailed analysis of their resolved physical properties. Here we present the sample of nearby galaxies selected to exploit…

Spectral differential imaging is an increasingly used technique for ground-based direct imaging searches for brown dwarf and planetary mass companions to stars. The technique takes advantage of absorption features that exist in these cool…

天体物理学 · 物理学 2009-11-13 Markus Janson , Wolfgang Brandner , Thomas Henning

The primary goal of this thesis was the correction of Non-Common-Path-Aberrations in the SPHERE instrument for helping it meeting its contrast requirements. SPHERE's purpose is the search and characterization of giant exo-planets around…

天体物理仪器与方法 · 物理学 2022-11-03 Jean-Baptiste Ruffio , Markus Kasper

The Wide-field Spectroscopic Telescope (WST) is a proposed 12-meter segmented facility optimized for seeing limited observations in the visible and designed to operate both a high-multiplex multi-object spectrograph and a panoramic integral…

天体物理仪器与方法 · 物理学 2026-04-13 Corentin Cudennec , Alexandre Jeanneau , Roland Bacon , Thierry Lépine , Matthew Lehnert

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…

天体物理仪器与方法 · 物理学 2015-06-22 B. Paul , J. -F. Sauvage , L. M. Mugnier , K. Dohlen , C. Petit , T. Fusco , D. Mouillet , J. -L. Beuzit , M. Ferrari

Context. Direct imaging of exoplanets takes advantage of state-of-the-art adaptive optics (AO) systems, coronagraphy, and post-processing techniques. Coronagraphs attenuate starlight to mitigate the unfavorable flux ratio between an…

天体物理仪器与方法 · 物理学 2022-09-21 Axel Potier , Johan Mazoyer , Zahed Wahhaj , Pierre Baudoz , Gael Chauvin , Raphael Galicher , Garreth Ruane

High-performance instruments at large ground-based telescopes have made integral field spectroscopy (IFS) a powerful tool for the study of extended objects such as galaxies, nebulae, or even larger survey fields on the sky. Here we discuss…

星系天体物理 · 物理学 2019-12-24 Martin M. Roth , Peter M. Weilbacher , Norberto Castro

The Chinese Space Station Survey Telescope (CSST) is a next-generation Stage-IV facility renowned for its wide field of view, high image quality, and multi-band observational capabilities. Among the five instruments onboard the CSST, the…

SCALES (Santa Cruz Array of Lenslets for Exoplanet Spectroscopy) is a 2-5 micron high-contrast lenslet integral-field spectrograph (IFS) driven by exoplanet characterization science requirements and will operate at W. M. Keck Observatory.…

During the past decade, state-of-the-art planet-finder instruments like SPHERE@VLT, coupling coronagraphic devices and extreme adaptive optics systems, unveiled, thanks to large surveys, around 20 planetary mass companions at semi-major…

地球与行星天体物理 · 物理学 2025-05-14 A. Chomez , P. Delorme , A. -M. Lagrange , R. Gratton , O. Flasseur , G. Chauvin , M. Langlois , J. Mazoyer , A. Zurlo , S. Desidera , D. Mesa , M. Bonnefoy , M. Feldt , J. Hagelberg , M. Meyer , A. Vigan , C. Ginski , M. Kenworthy , D. Albert , S. Bergeon , J. -L. Beuzit , B. Biller , T. Bhowmik , A. Boccaletti , M. Bonavita , W. Brandner , F. Cantalloube , A. Cheetham , V. D'Orazi , C. Dominik , C. Fontanive , R. Galicher , Th. Henning , M. Janson , Q. Kral , E. Lagadec , C. Lazzoni , H. Le Coroller , R. Ligi , A. -L. Maire , G. -D. Marleau , F. Menard , S. Messina , N. Meunier , C. Mordasini , C. Moutou , A. Müller , C. Perrot , M. Samland , H. M. Schmid , T. Schmidt , V. Squicciarini , E. Sissa , M. Turatto , S. Udry , L. Abe , J. Antichi , R. Asensio-Torres , A. Baruffolo , P. Baudoz , J. Baudrand , A. Bazzon , P. Blanchard , A. J. Bohn , S. Brown Sevilla , M. Carbillet , M. Carle , E. Cascone , J. Charton , R. Claudi , A. Costille , V. De Caprio , A. Delboulbe , K. Dohlen , N. Engler , D. Fantinel , P. Feautrier , T. Fusco , P. Gigan , J. H. Girard , E. Giro , D. Gisler , L. Gluck , C. Gry , N. Hubin , E. Hugot , M. Jaquet , M. Kasper , D. Le Mignant , M. Llored , F. Madec , Y. Magnard , P. Martinez , D. Maurel , O. Möller-Nilsson , D. Mouillet , T. Moulin , A. Origné , A. Pavlov , D. Perret , C. Petit , J. Pragt , P. Puget , P. Rabou , J. Ramos , E. L. Rickman , F. Rigal , S. Rochat , R. Roelfsema , G. Rousset , A. Roux , B. Salasnich , J. -F. Sauvage , A. Sevin , C. Soenke , E. Stadler , M. Suarez , Z. Wahhaj , L. Weber , F. Wildi

SPHERE, operating at the VLT since 2014, is currently one of the high-contrast instruments with a higher performance. Its adaptive optics system, known as SAXO, will be upgraded to SAXO+, which features the addition of a second stage of…

Any high-contrast imaging instrument in a future large space-based telescope will include an integral field spectrograph (IFS) for measuring broadband starlight residuals and characterizing the exoplanet's atmospheric spectrum. In this…

天体物理仪器与方法 · 物理学 2020-08-26 He Sun , Alexei Goun , Susan Redmond , Michael Galvin , Tyler Groff , Maxime Rizzo , N. Jeremy Kasdin

We present the wavelength calibration for the lenslet-based Integral Field Spectrograph (IFS) that serves as the science instrument for the Gemini Planet Imager (GPI). The GPI IFS features a 2.7" x 2.7" field of view and a 190 x 190 lenslet…

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…

太阳与恒星天体物理 · 物理学 2021-12-08 Xianyong Bai , Zhiyong Zhang , Zhiwei Feng , Yuanyong Deng , Xingming Bao , Xiao Yang , Yongliang Song , Liyue Tong , Shuai Jing

Project 1640 is a high-contrast imaging instrument recently commissioned at Palomar observatory. A combination of a coronagraph with an integral field spectrograph (IFS), Project 1640 is designed to detect and characterize extrasolar…

Integral Field Spectroscopy (IFS) is an observational method to obtain spatially resolved spectra over a specific field of view (FoV) in a single exposure. In recent years, near-infrared IFS has gained importance in observing objects with…