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Related papers: The MICADO first light imager for the ELT: Testing…

200 papers

We present a status update for MagAO-X, a 2000 actuator, 3.6 kHz adaptive optics and coronagraph system for the Magellan Clay 6.5 m telescope. MagAO-X is optimized for high contrast imaging at visible wavelengths. Our primary science goals…

Gaussian aperture pupil masks (GAPMs) can in theory achieve the contrast requisite for directly imaging an extrasolar planet. We use lab tests and simulations to further study their possible place as a high contrast imaging technique. We…

Astrophysics · Physics 2007-05-23 John H. Debes , Jian Ge

The mission EXCEDE (EXoplanetary Circumstellar Environments and Disk Explorer), selected by NASA for technology development, is designed to study the formation, evolution and architectures of exoplanetary systems and characterize…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Julien Lozi , Ruslan Belikov , Glenn Schneider , Olivier Guyon , Eugene Pluzhnik , Sandrine J. Thomas , Frantz Martinache

We introduce a new class of solutions for Apodized Pupil Lyot Coronagraphs (APLC) with segmented aperture telescopes to remove broadband diffracted light from a star with a contrast level of $10^{10}$. These new coronagraphs provide a key…

Instrumentation and Methods for Astrophysics · Physics 2016-03-09 Mamadou N'Diaye , Rémi Soummer , Laurent Pueyo , Alexis Carlotti , Christopher C. Stark , Marshall D. Perrin

METIS will be among the first generation of scientific instruments on the E-ELT. Focusing on highest angular resolution and high spectral resolution, METIS will provide diffraction limited imaging and coronagraphy from 3-14um over an…

With the aim of paving the road for future accurate astrometry with MICADO at the European-ELT, we performed an astrometric study using two different but complementary approaches to investigate two critical components that contribute to the…

We present a MIR coronagraph to target the direct observation of extrasolar planets for SPICA, in which a coronagraph is currently regarded as an option of the focal plane instruments. The primary target of the SPICA coronagraph is the…

Earth and Planetary Astrophysics · Physics 2019-08-14 Keigo Enya

We present the preliminary design of GMagAO-X, the first-light high-contrast imager planned for the Giant Magellan Telescope. GMagAO-X will realize the revolutionary increase in spatial resolution and sensitivity provided by the 25 m GMT.…

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

Coronagraph instruments on future space telescopes will enable the direct detection and characterization of Earth-like exoplanets around Sun-like stars for the first time. The quest for the optimal optical coronagraph designs has made rapid…

Instrumentation and Methods for Astrophysics · Physics 2018-08-30 G. Ruane , A. Riggs , C. T. Coker , S. B. Shaklan , E. Sidick , D. Mawet , J. Jewell , K. Balasubramanian , C. C. Stark

The Exo-Planet Imaging Camera and Spectrograph (EPICS) for the future 42-meter European-Extremely Large Telescope, will enable direct images, and spectra for both young and old Jupiter-mass planets in the infrared. To achieve the required…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 P. Martinez , C. Dorrer , M. Kasper

ERIS is a diffraction limited thermal infrared imager and spectrograph for the Very Large Telescope UT4. One of the science cases for ERIS is the detection and characterization of circumstellar structures and exoplanets around bright stars…

The Roman Space Telescope will be a critical mission to demonstrate high-contrast imaging technologies allowing for the characterisation of exoplanets in reflected light. It will demonstrate $10^{-7}$ contrast limits or better at 3--9…

Instrumentation and Methods for Astrophysics · Physics 2024-09-18 Alexis Lau , Élodie Choquet , Lisa Altinier , Iva Laginja , Rémi Soummer , Laurent Pueyo , Nicolas Godoy , Arthur Vigan , David Mary

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

We present a study of Lyot style (i.e., classical, band-limited, and Gaussian occulter) coronagraphy on extremely large, highly-segmented telescopes. We show that while increased telescope diameter is always an advantage for high dynamic…

Astrophysics · Physics 2009-11-11 Anand Sivaramakrishnan , Natalia Yaitskova

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

RISTRETTO is a visible high-resolution spectrograph fed by an extreme adaptive optics (AO) system, to be proposed as a visitor instrument on ESO VLT. The main science goal of RISTRETTO is to pioneer the detection and atmospheric…

The architecture of exoplanetary systems is relatively well known inward to 1 AU thanks to indirect techniques, which have allowed characterization of thousands of exoplanet orbits, masses and sometimes radii. The next step is the…

Instrumentation and Methods for Astrophysics · Physics 2018-01-23 Pierre Baudoz , Raphael Galicher , Fabien Patru , Olivier Dupuis , Simone Thijs

Optical and near-infrared Microwave Kinetic Inductance Detectors, or MKIDs, are low-temperature detectors with inherent spectral resolution that are able to instantly register individual photons with potentially no false counts or readout…

Instrumentation and Methods for Astrophysics · Physics 2020-10-07 R. H. Dodkins , K. Davis , B. Lewis , S. Mahashabde , B. A. Mazin , I. A. Lipartito , N. Fruitwala , K. O'Brien , N. Thatte

In Spring 2013, the LEECH (LBTI Exozodi Exoplanet Common Hunt) survey began its $\sim$130-night campaign from the Large Binocular Telescope (LBT) atop Mt Graham, Arizona. This survey benefits from the many technological achievements of the…