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2020MNRAS.495.1927O - Mon. Not. R. Astron. Soc., 495, 1927-1933 (2020/June-3)

ExoMol line lists - XXXVIII. High-temperature molecular line list of silicon dioxide (SiO2).

OWENS A., CONWAY E.K., TENNYSON J. and YURCHENKO S.N.

Abstract (from CDS):

Silicon dioxide (SiO2) is expected to occur in the atmospheres of hot rocky super-Earth exoplanets but a lack of spectroscopic data is hampering its possible detection. Here, we present the first, comprehensive molecular line list for SiO2. The line list, named OYT3, covers the wavenumber range 0 - 6000 cm–1 (wavelengths λ > 1.67 µm) and is suitable for temperatures up to T = 3000 K. Almost 33 billion transitions involving 5.69 million rotation-vibration states with rotational excitation up to J = 255 have been computed using robust first-principles methodologies. The OYT3 line list is available from the ExoMol data base at www.exomol.com.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): molecular data - opacity - planets and satellites: atmospheres - stars: atmospheres - ISM: molecules

Simbad objects: 2

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