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Understanding the atmospheres of exoplanets is a milestone to decipher their formation history and potential habitability. High-contrast imaging and spectroscopy of exoplanets is the major pathway towards the goal. Directly imaging of an…

Instrumentation and Methods for Astrophysics · Physics 2020-10-22 Ji Wang , Colby Jurgenson

Large-area surveys operating at mid-infrared wavelengths have proven to be a valuable means of discovering and characterizing minor planets. Through the use of radiometric models, it is possible to derive physical properties such as…

Earth and Planetary Astrophysics · Physics 2016-08-31 A. Mainzer , F. Usui , D. Trilling

Exoplanetary science is a very active field of astronomy nowadays, with questions still opened such as how planetary systems form and evolve (occurrence, process), why such a diversity of exoplanets is observed (mass, radius, orbital…

Earth and Planetary Astrophysics · Physics 2023-03-07 Raphaël Galicher , Johan Mazoyer

The Wide-Field X-ray Telescope (WFXT) is a proposed NASA mission dedicated to performing surveys of the sky in the soft X-ray band (0.3-6 keV). The key characteristics of this missions are a constant point spread function with Half Energy…

High Energy Astrophysical Phenomena · Physics 2010-11-04 Sergio Campana

Giant exoplanets on wide orbits have been directly imaged around young stars. If the thermal background in the mid-infrared can be mitigated, then exoplanets with lower masses can also be imaged. Here we present a ground-based mid-infrared…

The James Webb Space Telescope (JWST) is a large (6.6m), cold (50K), infrared-optimized space observatory that will be launched early in the next decade. The observatory will have four instruments: a near-infrared camera, a near-infrared…

High-precision astrometry at the sub-microarcsecond level opens up a window to study Earth-like planets in the habitable zones of Sun-like stars, and to determine their masses. It thus promises to play an important role in exoplanet science…

Earth and Planetary Astrophysics · Physics 2018-12-05 Markus Janson , Alexis Brandeker , Celine Boehm , Alberto Krone Martins

Supermassive black holes, with masses of 10^6 to more than 10^9 solar masses, are among the most spectacular objects in the Universe, and are laboratories for physics in extreme conditions. The primary goal of ARISE (Advanced Radio…

Astrophysics · Physics 2009-10-31 James S. Ulvestad

Large ground-based telescopes equipped with adaptive optics (AO) systems have ushered in a new era of high-resolution infrared photometry and astrometry. Relative astrometric accuracies of <0.2 mas have already been demonstrated from…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Jessica R. Lu , Andrea M. Ghez , Sylvana Yelda , Tuan Do , Will Clarkson , Nate McCrady , Mark R. Morris

Submillimeter and near-infrared images of cool dusty debris disks and rings suggest the existence of unseen planets. At dusty but non-imaged stars, semi-major axes of associated planets can be estimated from the dust temperature. For some…

Astrophysics · Physics 2009-11-10 B. Zuckerman , Inseok Song

Much of the focus of exoplanet atmosphere analysis in the coming decade will be at infrared wavelengths, with the planned launches of the James Webb Space Telescope (JWST) and the Wide-Field Infrared Survey Telescope (WFIRST). However,…

Earth and Planetary Astrophysics · Physics 2019-03-27 Eric D. Lopez , Vladimir Airapetian , Jessie Christiansen , Luca Fossati , Kevin France

The imminent availability of large arrays of large light collectors deployed to exploit atmospheric Cherenkov radiation for gamma-ray astronomy at more than 100GeV, motivates the growing interest in application of intensity interferometry…

Instrumentation and Methods for Astrophysics · Physics 2009-09-30 M. Daniel , W. J. de Wit , D. Dravins , D. Kieda , S. LeBohec , P. Nunez , E. Ribak

We have designed and developed a compact ultraviolet imaging payload to fly on a range of possible platforms such as high altitude balloon experiments, cubesats, space missions, etc. The primary science goals are to study the bright UV…

Instrumentation and Methods for Astrophysics · Physics 2016-08-24 Joice Mathew , Ajin Prakash , Mayuresh Sarpotdar , A. G. Sreejith , Margarita Safonova , Jayant Murthy

Three planned astrometry survey satellites, FAME, DIVA, and GAIA, all aim at observing magnitude-limited samples. We argue that substantial additional scientific opportunities are within the reach of these mission if they devote a modest…

Astrophysics · Physics 2009-11-07 Samir Salim , Andrew Gould , Rob Olling

ASTRO-F is the first Japanese satellite mission dedicated for large area surveys in the infrared. The 69cm aperture telescope and scientific instruments are cooled to 6K by liquid Helium and mechanical coolers. During the expected mission…

Astrophysics · Physics 2009-11-11 Hideo Matsuhara , Hiroshi Shibai , Takashi Onaka , Fumihiko Usui

SPIRou, a near infrared spectropolarimeter, is a project of new instrument to be mounted at the Canada France Hawaii Telescope in 2017. One of the main objectives of SPIRou is to reach a radial velocity accuracy better than 1 m/s in the…

Earth and Planetary Astrophysics · Physics 2013-10-03 A. Santerne , J. -F. Donati , R. Doyon , X. Delfosse , É. Artigau , I. Boisse , X. Bonfils , F. Bouchy , G. Hébrard , C. Moutou , S. Udry , the SPIRou science team

Space-based direct imaging missions (HabEx, LUVOIR) would observe reflected light from exoplanets in the habitable zones of Sun-like stars. The ultimate---but not sole---goal of these concept missions is to characterize such planets.…

Earth and Planetary Astrophysics · Physics 2019-05-01 Claire Marie Guimond , Nicolas B. Cowan

A new all-sky visible and Near-InfraRed (NIR) space astrometry mission with a wavelength cutoff in the K-band is not just focused on a single or small number of key science cases. Instead, it is extremely broad, answering key science…

The ESA Gaia mission uses two telescopes to create the most ambitious survey of the Galaxy. The angle between them must be known with exquisite precision and accuracy. An interferometer: the Basic Angle Monitoring system measures its…

Instrumentation and Methods for Astrophysics · Physics 2017-07-03 Alcione Mora , Ulrich Bastian , Michael Biermann , François Chassat , Lennart Lindegren , Iñaki Serraller , Edmund Serpell , Wouter van Reeven

The most obvious extragalactic targets for optical/infrared interferometers are Active Galactic Nuclei. In this document, I try to overview other topics that could be of interest to studies of galaxies and whether they could be adequate for…

Astrophysics · Physics 2007-12-21 Didier Fraix-Burnet