ExoMol molecular line lists - XIV. The rotation-vibration spectrum of hot SO2

Daniel S. Underwood, Jonathan Tennyson, Sergei N. Yurchenko, Xinchuan Huang, David W. Schwenke, Timothy J. Lee, Sønnik Clausen, Alexander Fateev

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Abstract

Sulphur dioxide is well-known in the atmospheres of planets and satellites, where its presence is often associated with volcanism, and in circumstellar envelopes of young and evolved stars as well as the interstellar medium. This work presents a line list of 1.3 billion 32S16O2 vibration-rotation transitions computed using an empirically adjusted potential energy surface and an ab initio dipole moment surface. The list gives complete coverage up to 8000 cm-1 (wavelengths longer than 1.25 μm) for temperatures below 2000 K. Infrared absorption cross-sections are recorded at 300 and 500 C are used to validated the resulting ExoAmes line list. The line list is made available in electronic form as supplementary data to this article and at www.exomol.com.
Original languageEnglish
JournalMonthly Notices of the Royal Astronomical Society
Volume459
Issue number4
Pages (from-to)3890-3899
ISSN0035-8711
DOIs
Publication statusPublished - 2016

Bibliographical note

This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2016 The authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

Keywords

  • Molecular data
  • Opacity
  • Planets and satellites: atmospheres
  • Astronomical data bases: miscellaneous

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