ExoMol: molecular line lists for exoplanet and other atmospheres
Jonathan Tennyson, Sergei N. Yurchenko

TL;DR
ExoMol aims to provide extensive molecular spectroscopic data essential for characterizing exoplanet atmospheres and other celestial objects, using advanced quantum mechanical calculations and computational methods.
Contribution
This paper introduces the ExoMol project, which develops comprehensive molecular line lists for exoplanet atmospheres using innovative quantum and computational techniques.
Findings
Development of large-scale rovibronic line lists
Application of combined first principles and empirical methods
Framework for treating complex molecules like methane
Abstract
The discovery of extrasolar planets is one of the major scientific advances of the last two decades. Hundreds of planets have now been detected and astronomers are beginning to characterise their composition and physical characteristics. To do this requires a huge quantity of spectroscopic data most of which is not available from laboratory studies. The ExoMol project will offer a comprehensive solution to this problem by providing spectroscopic data on all the molecular transitions of importance in the atmospheres of exoplanets. These data will be widely applicable to other problems and will be used for studies on cool stars, brown dwarfs and circumstellar environments. This paper lays out the scientific foundations of this project and reviews previous work in this area. A mixture of first principles and empirically-tuned quantum mechanical methods will be used to compute…
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Taxonomy
TopicsStellar, planetary, and galactic studies
