The Radiation Environment of Exoplanet Atmospheres [PDF]
Challenges, 2014 Exoplanets are born and evolve in the radiation and particle environment created by their host star. The host star’s optical and infrared radiation heats the exoplanet’s lower atmosphere and surface, while the ultraviolet, extreme ultraviolet and X ...
Jeffrey L. Linsky
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Can Isotopologues Be Used as Biosignature Gases in Exoplanet Atmospheres? [PDF]
Life, 2023 Isotopologue ratios are anticipated to be one of the most promising signs of life that can be observed remotely. On Earth, carbon isotopes have been used for decades as evidence of modern and early metabolic processes. In fact, carbon isotopes may be the
Ana Glidden +3 more
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A TEMPERATURE AND ABUNDANCE RETRIEVAL METHOD FOR EXOPLANET ATMOSPHERES [PDF]
, 2009 We present a new method to retrieve molecular abundances and temperature profiles from exoplanet atmosphere photometry and spectroscopy. We run millions of 1D atmosphere models in order to cover the large range of allowed parameter space, and present ...
Nikku Madhusudhan, S. Seager
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SIOUX project: a simultaneous multiband camera for exoplanet atmospheres studies [PDF]
, 2016 The exoplanet revolution is well underway. The last decade has seen order-of-magnitude increases in the number of known planets beyond the Solar system.
Jean Marc Christille +13 more
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Biological, Equilibrium and Photochemical Signatures of C, N and S Isotopes in the Early Earth and Exoplanet Atmospheres [PDF]
LifeThe unambiguous detection of biosignatures in exoplanet atmospheres is a primary objective for astrobiologists and exoplanet astronomers. The primary methodology is the observation of combinations of gases considered unlikely to coexist in an atmosphere ...
James R. Lyons
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The Role of Atmospheric Composition in Defining the Habitable Zone Limits and Supporting E. coli Growth [PDF]
LifeStudying exoplanet atmospheres is essential for assessing their potential to host liquid water and their capacity to support life (their habitability).
Asena Kuzucan +6 more
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Refraction in exoplanet atmospheres: Photometric signatures, implications for transmission spectroscopy, and search in Kepler data [PDF]
, 2017 Refraction deflects photons that pass through atmospheres, which affects transit light curves. Refraction thus provides an avenue to probe physical properties of exoplanet atmospheres and to constrain the presence of clouds and hazes.
Dennis Alp, Brice-Olivier Demory
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High Accuracy Molecular Line Lists for Studies of Exoplanets and Other Hot Atmospheres
Frontiers in Astronomy and Space Sciences, 2022 The desire to characterize and model the atmospheres of the many extrasolar planets that have been discovered over the last three decades is a major driver of current astronomy.
Jonathan Tennyson, Sergey N. Yurchenko
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Simulations of idealised 3D atmospheric flows on terrestrial planets using LFRic-Atmosphere [PDF]
Geoscientific Model Development, 2023 We demonstrate that LFRic-Atmosphere, a model built using the Met Office's GungHo dynamical core, is able to reproduce idealised large-scale atmospheric circulation patterns specified by several widely used benchmark recipes.
D. E. Sergeev +16 more
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ExoGemS Detection of a Metal Hydride in an Exoplanet Atmosphere at High Spectral Resolution
The Astrophysical Journal Letters, 2023 Exoplanet atmosphere studies are often enriched by synergies with brown dwarf analogs. However, many key molecules commonly seen in brown dwarfs have yet to be confirmed in exoplanet atmospheres.
Laura Flagg +9 more
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