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Related papers: Open Source High-Resolution Exoplanet Atmosphere R…

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Atmospheric characterization of exoplanets has traditionally relied on Low-Resolution Transmission Spectroscopy (LRTS), obtained from both space- and ground-based facilities, as well as on High-Resolution Transmission Spectroscopy (HRTS).…

Earth and Planetary Astrophysics · Physics 2025-09-24 Manjunath Bestha , Athira Unni , T. Sivarani , Dhanush S R , Lokesh Manickavasaham , Parvathy M , Devika K Divakar , Arun Surya

Solar System observations that serve as analogs for exoplanet remote sensing data can provide important opportunities to validate ideas and models related to exoplanet environments. Critically, and unlike true exoplanet observations, Solar…

Earth and Planetary Astrophysics · Physics 2026-01-23 Tyler D. Robinson , Arnaud Salvador

We present the open-source pyratbay framework for exoplanet atmospheric modeling, spectral synthesis, and Bayesian retrieval. The modular design of the code allows the users to generate atmospheric 1D parametric models of the temperature,…

Earth and Planetary Astrophysics · Physics 2021-05-26 Patricio E. Cubillos , Jasmina Blecic

An exosphere was recently detected around the exoplanet WASP-107b, a low-density, warm Neptune, based on an absorption feature from metastable helium (which has a vacuum wavelength of 10833 \AA). Inspired by the WASP-107b detection, we…

Earth and Planetary Astrophysics · Physics 2018-05-29 Laura Kreidberg , Antonija Oklopčić

Machine learning is now used in many areas of astrophysics, from detecting exoplanets in Kepler transit signals to removing telescope systematics. Recent work demonstrated the potential of using machine learning algorithms for atmospheric…

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

Here we introduce the RobERt (Robotic Exoplanet Recognition) algorithm for the classification of exoplanetary emission spectra. Spectral retrievals of exoplanetary atmospheres frequently requires the preselection of molecular/atomic…

Earth and Planetary Astrophysics · Physics 2016-04-13 I. P. Waldmann

Although there exists a large sample of known exoplanets, little spectroscopic data exists that can be used to study their global atmospheric properties. This deficiency can be addressed by performing phase-resolved spectroscopy --…

We propose a new data analysis method for obtaining transmission spectra of exoplanet atmospheres and brightness variation across the stellar disk from transit observations. The new method is capable of recovering exoplanet atmosphere…

Solar and Stellar Astrophysics · Physics 2018-05-02 Erik Aronson , Nikolai Piskunov

High-resolution transmission spectroscopy is a method for understanding the chemical and physical properties of upper exoplanetary atmospheres. Due to large absorption cross-sections, resonance lines of atomic sodium D-lines (at 5889.95…

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…

Over the last decade, precise exoplanet transmission spectroscopy has revealed the atmospheres of dozens of exoplanets, driven largely by observatories like the Hubble Space Telescope. One major discovery has been the ubiquity of…

With high-resolution spectroscopy we can study exoplanet atmospheres and learn about their chemical composition, temperature profiles, and presence of clouds and winds, mainly in hot, giant planets. State-of-the-art instrumentation is…

Earth and Planetary Astrophysics · Physics 2023-02-22 M. Lafarga , M. Brogi , S. Gandhi , H. M. Cegla , J. V. Seidel , L. Doyle , R. Allart , N. Buchschacher , M. Lendl , C. Lovis , D. Sosnowska

Inferring the climate and surface conditions of terrestrial exoplanets in the habitable zone is a major goal for the field of exoplanet science. This pursuit will require both statistical analyses of the population of habitable planets as…

Earth and Planetary Astrophysics · Physics 2022-03-30 Adiv Paradise , Kristen Menou , Christopher Lee , Bo Lin Fan

Probing the evaporation of exoplanet atmospheres is key to understanding the formation and evolution of exoplanetary systems. The main tracer of evaporation in the UV is the Lyman-alpha transition, which can reveal extended exospheres.…

Earth and Planetary Astrophysics · Physics 2019-03-06 R. Allart , V. Bourrier , C. Lovis , D. Ehrenreich , J. Aceituno , A. Guijarro , F. Pepe , D. K. Sing , J. J. Spake , A. Wyttenbach

A publicly available database of opacities for molecules of astrophysical interest, ExoMolOP, has been compiled for over 80 species, based on the latest line list data from the ExoMol, HITEMP and MoLLIST databases. These data are generally…

The upcoming launch of the James Webb Space Telescope (JWST) means that we will soon have the capability to characterize the atmospheres of rocky exoplanets. However, it is still unknown whether such planets orbiting close to M dwarf stars…

Earth and Planetary Astrophysics · Physics 2020-01-08 Megan Mansfield , Edwin S. Kite , Renyu Hu , Daniel D. B. Koll , Matej Malik , Jacob L. Bean , Eliza. M. -R. Kempton

Standard Bayesian retrievals for exoplanet atmospheric parameters from transmission spectroscopy, while well understood and widely used, are generally computationally expensive. In the era of the JWST and other upcoming observatories,…

Earth and Planetary Astrophysics · Physics 2025-08-08 Roy T. Forestano , Konstantin T. Matchev , Katia Matcheva , Eyup B. Unlu

Exoplanet science often involves using the system parameters of real exoplanets for tasks such as simulations, fitting routines, and target selection for proposals. Several exoplanet catalogues are already well established but often lack a…

Earth and Planetary Astrophysics · Physics 2016-09-21 Ryan Varley

Observed exoplanet transit spectra are usually retrieved using 1D models to determine atmospheric composition while planetary atmospheres are 3D. With the JWST and future space telescopes such as Ariel, we will be able to obtain…