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The Cassiop\'ee project aims to develop the key technologies that will be used to deploy very high-performance Adaptive Optics for future ELTs. The ultimate challenge is to detect earth-like planets and characterize the composition of their…

Instrumentation and Methods for Astrophysics · Physics 2024-06-04 Jean-Luc Gach , Piero Bruno , Julien Charton , Philippe Feautrier , Thierry Fusco , Benoit Neichel , Jean-François Sauvage

The angular coverage extension of the KLOE-2 electromagnetic calorimeter, from a polar angle of 20$^{\circ}$ down to $8^{\circ}$, will increase the multiphoton detection capability of the experiment enhancing the search reach for rare kaon,…

Instrumentation and Detectors · Physics 2010-05-27 M. Cordelli , F. Happacher , M. Martini , S. Miscetti , I. Sarra , M. Schioppa , S. Stucci , G. Xu

Imaging faint objects, such as exoplanets or disks, around nearby stars is extremely challenging because host star images are dominated by the telescope diffraction pattern. Using a coronagraph is an efficient solution for removing…

Current and future high contrast imaging instruments aim to detect exoplanets at closer orbital separations, lower masses, and/or older ages than their predecessors. However, continually evolving speckles in the coronagraphic science image…

Instrumentation and Methods for Astrophysics · Physics 2022-06-22 Benjamin L. Gerard , Daren Dillon , Sylvain Cetre , Rebecca Jensen-Clem

The International Axion Observatory (IAXO) is a new generation axion helioscope aiming at a sensitivity to the axion-photon coupling of a few 10$^{12}$ GeV$^{-1}$, i.e. 1 - 1.5 orders of magnitude beyond the one currently achieved by CAST.…

MagAO-X is an entirely new "extreme" adaptive optics system for the Magellan Clay 6.5 m telescope, funded by the NSF MRI program starting in Sep 2016. The key science goal of MagAO-X is high-contrast imaging of accreting protoplanets at…

The direct imaging from the ground of extrasolar planets has become today a major astronomical and biological focus. This kind of imaging requires simultaneously the use of a dedicated high performance Adaptive Optics [AO] system and a…

Astrophysics · Physics 2009-11-11 J. -F. Sauvage , L. Mugnier , T. Fusco , G. Rousset

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…

The Mid-Infrared instrument (MIRI) on board the James Webb Space Telescope will perform the first ever characterization of young giant exoplanets observed by direct imaging in the 5-28 microns spectral range. This wavelength range is key…

Earth and Planetary Astrophysics · Physics 2018-11-28 C. Danielski , J. -L. Baudino , P. -O. Lagage , A. Boccaletti , R. Gastaud , A. Coulais , B. Bézard

First multi-conjugate adaptive-optical (MCAO) systems are currently being installed on solar telescopes. The aim of these systems is to increase the corrected field-of-view with respect to conventional adaptive optics. However, this first…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Aglae Kellerer

The direct imaging of rocky exoplanets is one of the major science goals for upcoming large telescopes. The contrast requirement for imaging such planets is challenging. However, the mid-IR (InfraRed) regime provides the optimum contrast to…

Most exoplanet imagers consist of ground-based adaptive optics coronagraphic cameras which are currently limited in contrast, sensitivity and astrometric precision, but advantageously observe in the near-IR (1- 5{\mu}m). Because of these…

We discuss a cryogenic, multi-object near-infrared spectrometer as a second generation instrument for the VLT. The spectrometer combines 20 to 40 independent integral eld units (IFUs), which can be positioned by a cryogenic robot over the…

Astrophysics · Physics 2009-11-07 R. Genzel , R. Hofmann , D. Tomono , N. Thatte , F. Eisenhauer , M. Lehnert , M. Tecza , R. Bender

Context. High-contrast imaging is currently the only available technique for the study of the thermodynamical and compositional properties of exoplanets in long-period orbits. The SPICES project is a coronagraphic space telescope dedicated…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 A. -L. Maire , R. Galicher , A. Boccaletti , P. Baudoz , J. Schneider , K. L. Cahoy , D. M. Stam , W. A. Traub

We report on the first observation of cosmologically distant field galaxies with an high order Adaptive Optics (AO) system on an 8-10 meter class telescope. Two galaxies were observed at 1.6 microns at an angular resolution as high as 50…

Many of the transformative processes in the Universe have taken place in regions obscured by dust, and are best studied with far-IR spectroscopy. We present the Cryogenic-Aperture Large Infrared-Submillimeter Telescope Observatory…

One of the primary goals of exoplanet science is to find and characterize habitable planets, and direct imaging will play a key role in this effort. Though imaging a true Earth analog is likely out of reach from the ground, the coming…

The Euclid ERO showcase Euclid's capabilities in advance of its main mission, targeting 17 astronomical objects, from galaxy clusters, nearby galaxies, globular clusters, to star-forming regions. A total of 24 hours observing time was…

Instrumentation and Methods for Astrophysics · Physics 2025-04-30 J. -C. Cuillandre , E. Bertin , M. Bolzonella , H. Bouy , S. Gwyn , S. Isani , M. Kluge , O. Lai , A. Lançon , D. A. Lang , R. Laureijs , T. Saifollahi , M. Schirmer , C. Stone , Abdurro'uf , N. Aghanim , B. Altieri , F. Annibali , H. Atek , P. Awad , M. Baes , E. Bañados , D. Barrado , S. Belladitta , V. Belokurov , A. Boselli , F. Bournaud , J. Bovy , R. A. A. Bowler , G. Buenadicha , F. Buitrago , M. Cantiello , D. Carollo , S. Codis , M. L. M. Collins , G. Congedo , E. Dalessandro , V. de Lapparent , F. De Paolis , J. M. Diego , P. Dimauro , J. Dinis , H. Dole , P. -A. Duc , D. Erkal , M. Ezziati , A. M. N. Ferguson , A. Ferré-Mateu , A. Franco , R. Gavazzi , K. George , W. Gillard , J. B. Golden-Marx , B. Goldman , A. H. Gonzalez , R. Habas , W. G. Hartley , N. A. Hatch , R. Kohley , J. Hoar , J. M. Howell , L. K. Hunt , P. Jablonka , M. Jauzac , Y. Kang , J. H. Knapen , J. -P. Kneib , R. Kohley , P. B. Kuzma , S. S. Larsen , O. Marchal , J. Martín-Fleitas , P. Marcos-Arenal , F. R. Marleau , E. L. Martín , D. Massari , A. W. McConnachie , M. Meneghetti , M. Miluzio , J. Miro Carretero , H. Miyatake , M. Mondelin , M. Montes , A. Mora , O. Müller , C. Nally , K. Noeske , A. A. Nucita , P. A. Oesch , M. Oguri , R. F. Peletier , M. Poulain , L. Quilley , G. D. Racca , M. Rejkuba , J. Rhodes , P. -F. Rocci , J. Román , S. Sacquegna , E. Saremi , R. Scaramella , E. Schinnerer , S. Serjeant , E. Sola , J. G. Sorce , F. Tarsitano , I. Tereno , S. Toft , C. Tortora , M. Urbano , A. Venhola , K. Voggel , J. R. Weaver , X. Xu , M. Žerjal , R. Zöller , S. Andreon , N. Auricchio , M. Baldi , A. Balestra , S. Bardelli , A. Basset , R. Bender , C. Bodendorf , E. Branchini , S. Brau-Nogue , M. Brescia , J. Brinchmann , S. Camera , V. Capobianco , C. Carbone , J. Carretero , S. Casas , F. J. Castander , M. Castellano , S. Cavuoti , A. Cimatti , C. J. Conselice , L. Conversi , Y. Copin , F. Courbin , H. M. Courtois , M. Cropper , J. -G. Cuby , A. Da Silva , H. Degaudenzi , A. M. Di Giorgio , M. Douspis , C. A. J. Duncan , X. Dupac , S. Dusini , M. Fabricius , M. Farina , S. Farrens , S. Ferriol , S. Fotopoulou , M. Frailis , E. Franceschi , S. Galeotta , B. Garilli , B. Gillis , C. Giocoli , P. Gómez-Alvarez , A. Grazian , F. Grupp , L. Guzzo , S. V. H. Haugan , J. Hoar , H. Hoekstra , W. Holmes , I. Hook , F. Hormuth , A. Hornstrup , P. Hudelot , K. Jahnke , M. Jhabvala , E. Keihänen , S. Kermiche , A. Kiessling , M. Kilbinger , T. Kitching , B. Kubik , K. Kuijken , M. Kümmel , M. Kunz , H. Kurki-Suonio , O. Lahav , S. Ligori , P. B. Lilje , V. Lindholm , I. Lloro , D. Maino , E. Maiorano , O. Mansutti , O. Marggraf , K. Markovic , N. Martinet , F. Marulli , R. Massey , S. Maurogordato , H. J. McCracken , E. Medinaceli , Y. Mellier , G. Meylan , J. J. Mohr , M. Moresco , L. Moscardini , E. Munari , R. Nakajima , R. C. Nichol , S. -M. Niemi , C. Padilla , S. Paltani , F. Pasian , J. A. Peacock , K. Pedersen , W. J. Percival , V. Pettorino , S. Pires , G. Polenta , M. Poncet , L. A. Popa , L. Pozzetti , F. Raison , R. Rebolo , A. Refregier , A. Renzi , G. Riccio , Hans-Walter Rix , E. Romelli , M. Roncarelli , E. Rossetti , R. Saglia , D. Sapone , P. Schneider , T. Schrabback , A. Secroun , G. Seidel , S. Serrano , C. Sirignano , G. Sirri , J. Skottfelt , L. Stanco , P. Tallada-Crespí , A. N. Taylor , H. I. Teplitz , R. Toledo-Moreo , A. Tsyganov , I. Tutusaus , E. A. Valentijn , L. Valenziano , T. Vassallo , G. Verdoes Kleijn , Y. Wang , J. Weller , O. R. Williams , G. Zamorani , E. Zucca , C. Baccigalupi , C. Burigana , P. Casenove , P. Liebing , V. Scottez , P. Simon , D. Scott

We discuss the chosen concepts, detailed design, implementation and calibration of the 85-electrode adaptive optics (AO) system of the Swedish 1-meter Solar Telescope (SST), which was installed in 2013. The AO system is unusual by using a…

Instrumentation and Methods for Astrophysics · Physics 2024-02-16 G. B. Scharmer , G. Sliepen , J. -C. Sinquin , M. G. Löfdahl , B. Lindberg , P. Sütterlin

The MCAO Assisted Visible Imager and Spectrograph (MAVIS) is a new visible instrument for ESO Very Large Telescope (VLT). Its Adaptive Optics Module (AOM) must provide extreme adaptive optics correction level at low galactic latitude and…

Instrumentation and Methods for Astrophysics · Physics 2022-09-01 Guido Agapito , Daniele Vassallo , Cédric Plantet , Jesse Cranney , Hao Zhang , Valentina Viotto , Enrico Pinna , Francois Rigaut