The 2020 release of the ExoMol database: Molecular line lists for exoplanet and other hot atmospheres

dc.contributor.authorLynas-Gray, A.E.
dc.contributor.authorTennyson, Jonathan
dc.contributor.authorYurchenko, Sergey
dc.date.accessioned2021-01-28T06:57:36Z
dc.date.available2021-01-28T06:57:36Z
dc.date.issued2020
dc.description.abstractThe ExoMol database (www.exomol.com) provides molecular data for spectroscopic studies of hot atmospheres. While the data are intended for studies of exoplanets and other astronomical bodies, the dataset is widely applicable. The basic form of the database is extensive line lists; these are supplemented with partition functions, state lifetimes, cooling functions, Landé g-factors, temperature-dependent cross sections, opacities, pressure broadening parameters, k-coefficients and dipoles. This paper presents the latest release of the database which has been expanded to consider 80 molecules and 190 isotopologues totaling over 700 billion transitions. While the spectroscopic data are concentrated at infrared and visible wavelengths, ultraviolet transitions are being increasingly considered in response to requests from observers. The core of the database comes from the ExoMol project which primarily uses theoretical methods, albeit usually fine-tuned to reproduce laboratory spectra, to generate very extensive line lists for studies of hot bodies. The data have recently been supplemented by line lists derived from direct laboratory observations, albeit usually with the use of ab initiotransition intensities. A major push in the new release is towards accurate characterisation of transition frequencies for use in high resolution studies of exoplanets and other bodies.en_US
dc.identifier.citationLynas-Gray, A. E. et al. (2020). The 2020 release of the ExoMol database: Molecular line lists for exoplanet and other hot atmospheres. Journal of Quantitative Spectroscopy and Radiative Transfer ,255,107228en_US
dc.identifier.issn0022-4073
dc.identifier.uri10.1016/j.jqsrt.2020.107228
dc.identifier.urihttp://hdl.handle.net/10566/5781
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectCooling functionsen_US
dc.subjectCross sectionsen_US
dc.subjectPartition functionsen_US
dc.subjectTransition frequenciesen_US
dc.subjectPressure broadeningen_US
dc.titleThe 2020 release of the ExoMol database: Molecular line lists for exoplanet and other hot atmospheresen_US
dc.typeArticleen_US

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