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Related papers: ExoSim: the Exoplanet Observation Simulator

200 papers

One of the persistent complications in searches for transiting exoplanets is the low percentage of the detected candidates that ultimately prove to be planets, which significantly increases the load on the telescopes used for the follow-up…

Earth and Planetary Astrophysics · Physics 2011-01-12 Brandon Tingley , Aldo Bonomo , Hans-Jörg Deeg

We present a novel machine-learning approach for detecting faint point sources in high-contrast adaptive optics imaging datasets. The most widely used algorithms for primary subtraction aim to decouple bright stellar speckle noise from…

Instrumentation and Methods for Astrophysics · Physics 2023-12-07 Trevor N. Wolf , Brandon A. Jones , Brendan P. Bowler

Among highly irradiated exoplanets, some have been found to undergo significant hydrodynamic expansion traced by atmospheric escape. To better understand these processes in the context of planetary evolution, we propose NIGHT (the…

Earth and Planetary Astrophysics · Physics 2023-10-31 C. Farret Jentink , V. Bourrier , C. Lovis , R. Allart , B. Chazelas , M. Lendl , X. Dumusque , F. Pepe

The JWST has ushered in a new era of exoplanet transit spectroscopy. Among the JWST instruments, the Near-Infrared Spectrograph (NIRSpec) has the most extensive set of configurations for exoplanet time series observations. The NIRSpec Prism…

Earth and Planetary Astrophysics · Physics 2024-05-14 Subhajit Sarkar , Nikku Madhusudhan , Savvas Constantinou , Måns Holmberg

What makes the study of exoplanetary atmospheres so hard is the extraction of its tiny signal from observations, usually dominated by telluric absorption, stellar spectrum and instrumental noise. The High Resolution Spectroscopy has emerged…

Earth and Planetary Astrophysics · Physics 2022-09-14 M. C. Maimone , A. Chiavassa , J. Leconte

The evolution of space technology in recent years, fueled by advancements in computing such as Artificial Intelligence (AI) and machine learning (ML), has profoundly transformed our capacity to explore the cosmos. Missions like the James…

Earth and Planetary Astrophysics · Physics 2025-10-13 Vasuda Trehan , Kevin H. Knuth , M. J. Way

Ground-based telescopes have been playing a leading role in exoplanet direct imaging science and technological development for the past two decades and will continue to have an indispensable role for the next decade and beyond. Extreme…

Observing Earth-like exoplanets orbiting within the habitable zone of Sun-like stars and studying their atmospheres in reflected starlight requires contrasts of $\sim1\mathrm{e}{-10}$ in the visible. At such high contrast, starlight…

Earth and Planetary Astrophysics · Physics 2022-11-09 Jens Kammerer , Christopher C. Stark , Kevin J. Ludwick , Roser Juanola-Parramon , Bijan Nemati

The Exoplanet Characterisation Observatory (EChO) has been studied as a space mission concept by the European Space Agency in the context of the M3 selection process. Through direct measurement of the atmospheric chemical composition of…

In the last decade, over a million stars were monitored to detect transiting planets. Manual interpretation of potential exoplanet candidates is labor intensive and subject to human error, the results of which are difficult to quantify.…

Instrumentation and Methods for Astrophysics · Physics 2017-12-20 Kyle A. Pearson , Leon Palafox , Caitlin A. Griffith

We present the STScI WFC3 project webpage, Transiting Exoplanets List of Space Telescope Spectroscopy, TrExoLiSTS. It tabulates existing observations of transiting exoplanet atmospheres, available in the MAST archive made with HST WFC3…

Earth and Planetary Astrophysics · Physics 2022-12-16 Nikolay K. Nikolov , Aiden Kovacs , Catherine Martlin

The ExoEcho project is designed to study the photodynamics of exoplanets by leveraging high-precision transit timing data from ground- and space-based telescopes. Some exoplanets are experiencing orbital decay, and transit timing variation…

Earth and Planetary Astrophysics · Physics 2025-01-13 Xinyue Ma , Wenqin Wang , Zixin Zhang , Cong Yu , Dichang Chen , Jiwei Xie , Shangfei Liu , Li Zhou , Bo Ma

The ultraviolet-visible wavelength range holds critical spectral diagnostics for the chemistry and physics at work in planetary atmospheres. To date, exoplanet time-series atmospheric characterization studies have relied on several…

Earth and Planetary Astrophysics · Physics 2020-04-21 H. R. Wakeford , D. K. Sing , K. B. Stevenson , N. K. Lewis , N. Pirzkal , T. J. Wilson , J. Goyal , T. Kataria , T. Mikal-Evans , N. Nikolov , J. Spake

The EXtreme PREcision Spectrograph (EXPRES) is an optical fiber fed echelle instrument being designed and built at the Yale Exoplanet Laboratory to be installed on the 4.3-meter Discovery Channel Telescope operated by Lowell Observatory.…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 C. Jurgenson , D. Fischer , T. McCracken , D. Sawyer , A. Szymkowiak , A. B. Davis , G. Muller , F. Santoro

The quest for Earth-like, extrasolar planets (exoplanets), especially those located inside the habitable zone of their host stars, requires techniques sensitive enough to detect the faint signals produced by those planets. The radial…

Earth and Planetary Astrophysics · Physics 2017-11-29 M. Oshagh

Context: Seasonal variations and climate stability of a planet are very sensitive to the planet obliquity and its evolution. This is of particular interest for the emergence and sustainability of land-based life, but orbital and rotational…

Earth and Planetary Astrophysics · Physics 2019-02-27 Melaine Saillenfest , Jacques Laskar , Gwenaël Boué

Rocky planets with temperate conditions provide the best chance for discovering habitable worlds and life outside the Solar System. In the last decades, new instrumental facilities and large observational campaigns have been driven by the…

Earth and Planetary Astrophysics · Physics 2022-06-22 L. Biasiotti , P. Simonetti , G. Vladilo , L. Silva , G. Murante , S. Ivanovski , M. Maris , S. Monai , E. Bisesi , J. von Hardenberg , A. Provenzale

With the ever-growing number of exoplanets detected, the issue of characterization is becoming more and more relevant. Direct imaging is certainly the most efficient but the most challenging tool to probe the atmosphere of exoplanets and…

Instrumentation and Methods for Astrophysics · Physics 2009-10-23 Boccaletti Anthony

Within academia and industry, there has been a need for expansive simulation frameworks that include model-based simulation of sensors, mobile vehicles, and the environment around them. To this end, the modular, real-time, and open-source…

Despite the ever-growing number of exoplanets discovered and the extensive analyses carried out to find their potential satellites, only two exomoon candidates, Kepler-1625b-i and Kepler-1708 b-i, have been discovered to date. A…

Earth and Planetary Astrophysics · Physics 2023-11-09 Sz. Kálmán , Sz. Csizmadia , A. E. Simon , K. W. F. Lam , A. Deline , J. -V. Harre , Gy. M. Szabó