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Related papers: 2D Retrieval Frameworks for Hot Jupiter Phase Curv…

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We analyse emission spectra of WASP-12b from a partial phase curve observed over three epochs with the Hubble Space Telescope, covering eclipse, quadrature, and transit, respectively. As the 1.1-day period phase curve was only partially…

Earth and Planetary Astrophysics · Physics 2021-04-07 J. Arcangeli , J. -M. Désert , V. Parmentier , S. -M. Tsai , K. B. Stevenson

We propose a method for observing transiting exoplanets with near-infrared high-resolution spectrometers. We aim to create a robust data analysis method for recovering atmospheric transmission spectra from transiting exoplanets over a wide…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Erik Aronson , Pierre Waldén , Nikolai Piskunov

Hot Jupiters (HJs), especially the Ultra-Hot Jupiters (UHJs), are ideal targets for robust atmospheric characterization, thanks to their high equilibrium temperatures and large atmospheric scale heights, which result from their proximity to…

Earth and Planetary Astrophysics · Physics 2026-03-24 Zewen Jiang , Wei Wang , Shumei Jia , Yaqing Shi , Fei Yan , Li Zhou , Qianyi Zou , Xiang Ma , Yue Huang

The James Webb Space Telescope will enable astronomers to obtain exoplanet spectra of unprecedented precision. Especially the MIRI instrument may shed light on the nature of the cloud particles obscuring planetary transmission spectra in…

Earth and Planetary Astrophysics · Physics 2017-03-22 Paul Mollière , Roy van Boekel , Jeroen Bouwman , Thomas Henning , Pierre-Olivier Lagage , Michiel Min

Context. The atmosphere of exoplanets has been studied extensively in recent years, using numerical models to retrieve chemical composition, dynamical circulation or temperature from data. One of the best observational probes in…

Earth and Planetary Astrophysics · Physics 2020-01-22 J. V. Seidel , D. Ehrenreich , L. Pino , V. Bourrier , B. Lavie , R. Allart , A. Wyttenbach , C. Lovis

The James Webb Space Telescope (JWST) is predicted to make great advances in the field of exoplanet atmospheres. Its 25 m2 mirror means that it can reach unprecedented levels of precision in observations of transit spectra, and can thus…

Earth and Planetary Astrophysics · Physics 2015-02-10 Joanna K. Barstow , Suzanne Aigrain , Patrick G. J. Irwin , Sarah Kendrew , Leigh N. Fletcher

Some of the exoplanets so far observed show featureless or flat transmission spectra, possibly indicating the existence of clouds and/or haze in their atmospheres. Thanks to its large aperture size and broad wavelength coverage, JWST is…

Earth and Planetary Astrophysics · Physics 2019-05-01 Yui Kawashima , Renyu Hu , Masahiro Ikoma

In the era of state-of-the-art space-borne telescopes, high-resolution ground-based observation has emerged as a crucial method for characterizing exoplanets, providing essential insights into their atmospheric compositions. In the optical…

Earth and Planetary Astrophysics · Physics 2024-06-19 Dwaipayan Dubey , Liton Majumdar

Emission spectroscopy is a promising technique to observe atmospheres of rocky exoplanets, probing both their chemistry and thermal profiles. We present HyDRo, an atmospheric retrieval framework for thermal emission spectra of rocky…

Earth and Planetary Astrophysics · Physics 2021-12-22 Anjali A. A. Piette , Nikku Madhusudhan , Avi M. Mandell

The James Webb Space Telescope (JWST) will open up the possibility of comprehensively measuring the emission spectra of rocky exoplanets orbiting M dwarfs to detect and characterize their atmospheres. In preparation for this opportunity, we…

Earth and Planetary Astrophysics · Physics 2019-12-06 Matej Malik , Eliza M. -R. Kempton , Daniel D. B. Koll , Megan Mansfield , Jacob L. Bean , Edwin Kite

With a temperature akin to an M-dwarf, WASP-33b is among the hottest Jupiters known, making it an ideal target for high-resolution optical spectroscopy. By analyzing both transmission and emission spectra, we aim to substantiate previous…

Earth and Planetary Astrophysics · Physics 2020-08-12 Miranda K. Herman , Ernst J. W. de Mooij , Ray Jayawardhana , Matteo Brogi

We present high resolution transmission spectra of giant planet atmospheres from a coupled 3-D atmospheric dynamics and transmission spectrum model that includes Doppler shifts which arise from winds and planetary motion. We model jovian…

Earth and Planetary Astrophysics · Physics 2015-06-22 Eliza M. -R. Kempton , Rosalba Perna , Kevin Heng

Proxima Centauri b provides an unprecedented opportunity to understand the evolution and nature of terrestrial planets orbiting M dwarfs. Although Proxima Cen b orbits within its star's habitable zone, multiple plausible evolutionary paths…

Ultra-hot Jupiters (UHJs) have recently been the focus of several atmospheric studies due to their extreme properties. While molecular hydrogen (H$_2$) plays a key role in UHJ atmospheres, it has not been directly detected on an exoplanet.…

Earth and Planetary Astrophysics · Physics 2022-07-14 Anastasia Morgan , P. Wilson Cauley , Kevin France , Allison Youngblood , Tommi T. Koskinen

Multi-band phase variations in principle allow us to infer the longitudinal temperature distributions of planets as a function of height in their atmospheres. For example, 3.6 micron emission originates from deeper layers of the atmosphere…

Earth and Planetary Astrophysics · Physics 2017-12-27 Ian Dobbs-Dixon , Nicolas B. Cowan

This brief review focuses on methods and applications of modeling exoplanetary atmospheres. We discuss various kinds of state of the art self-consistent and retrieval models in 1D and multi-D with a focus on open questions and short- and…

Earth and Planetary Astrophysics · Physics 2021-12-15 Jonathan J. Fortney , Joanna K. Barstow , Nikku Madhusudhan

We present a publicly available library of model atmospheres with radiative-convective equilibrium Pressure-Temperature ($P$-$T$) profiles fully consistent with equilibrium chemical abundances, and the corresponding emission and…

Observational studies of exoplanets are suggestive of a ubiquitous presence of clouds. The current modelling techniques used in emission to account for the clouds tend to require prior knowledge of the cloud condensing species and often do…

Earth and Planetary Astrophysics · Physics 2021-07-07 Jake Taylor , Vivien Parmentier , Michael R. Line , Elspeth K. H. Lee , Patrick G. J. Irwin , Suzanne Aigrain

In this paper, a detailed Global Circulation Model was employed to feed the PHOENIX code to calculate 3D spectra and light curves of hot Jupiters. Cloud free and dusty radiative luxes for the planet HD179949b were modeled to show…

Earth and Planetary Astrophysics · Physics 2015-11-30 Juan J. Jiménez-Torres
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