Owens, A;
Tennyson, J;
Yurchenko, SN;
(2021)
ExoMol line lists – XLI. High-temperature molecular line lists for the alkali metal hydroxides KOH and NaOH.
Monthly Notices of the Royal Astronomical Society
, 502
(1)
pp. 1128-1135.
10.1093/mnras/staa4041.
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Abstract
Potassium hydroxide (KOH) and sodium hydroxide (NaOH) are expected to occur in the atmospheres of hot rocky super-Earth exoplanets but a lack of spectroscopic data is hampering their potential detection. Using robust first-principles methodologies, comprehensive molecular line lists for KOH and NaOH that are applicable for temperatures up to T = 3500 K are presented. The KOH OYT4 line list covers the 0–6000 cm−1 (wavelengths λ > 1.67 µm) range and comprises 38 billion transitions between 7.3 million energy levels with rotational excitation up to J = 255. The NaOH OYT5 line list covers the 0–9000 cm−1 (wavelengths λ > 1.11 µm) range and contains almost 50 billion lines involving 7.9 million molecular states with rotational excitation up to J = 206. The OYT4 and OYT5 line lists are available from the ExoMol database at www.exomol.com and should greatly aid the study of hot rocky exoplanets.
| Type: | Article |
|---|---|
| Title: | ExoMol line lists – XLI. High-temperature molecular line lists for the alkali metal hydroxides KOH and NaOH |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1093/mnras/staa4041 |
| Publisher version: | https://doi.org/10.1093/mnras/staa4041 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10121436 |
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