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Related papers: Empirical Line Lists in the ExoMol Database

200 papers

We present the ExoAtom database, www.exomol.com/exoatom, an extension of the ExoMol database to provide atomic line lists in the ExoMol format. ExoAtom is designed for detailed astrophysical, planetary, and laboratory applications. ExoAtom…

Any future detection of the calcium monohydroxide radical (CaOH) in stellar and exoplanetary atmospheres will rely on accurate molecular opacity data. Here, we present the first comprehensive molecular line list of CaOH covering the \A--\X\…

Earth and Planetary Astrophysics · Physics 2022-10-25 Alec Owens , Alexander Mitrushchenkov , Sergei N. Yurchenko , Jonathan Tennyson

Hot line lists for two isotopologues of water, \octo\ and \heto, are presented. The calculations employ newly constructed potential energy surfaces (PES) which take advantage of a novel method for using the large set of experimental energy…

A new line list for hydronium (H$_3$$^{16}$O$^+$) is computed. The line list is based on a new ab initio dipole moment surface (CCSD(T)/aug-cc-pVQZ) and a new empirical potential energy surface (PES). The empirical PES of H$_3$O$^+$ was…

Earth and Planetary Astrophysics · Physics 2020-07-29 S. N. Yurchenko , Jonathan Tennyson , Steve Miller , V. V. Melnikov , J. O'Donoghue , L. Moore

We present the ExoPhoto database (https://exomol.com/exophoto/), an extension of the ExoMol database, specifically developed to address the growing need for high-accuracy, temperature-dependent photodissociation cross section data towards…

Earth and Planetary Astrophysics · Physics 2025-05-29 Qing-He Ni , Christian Hill , Sergei N. Yurchenko , Marco Pezzella , Alexander Fateev , Zhi Qin , Olivia Venot , Jonathan Tennyson

Line lists for the ground electronic ground state for six major isotopologues of nitric oxide are presented. The line lists are constructed using empirical energy levels (and line positions) and high-level {\it ab inito} intensities. The…

Earth and Planetary Astrophysics · Physics 2017-06-28 Andy Wong , Sergei N. Yurchenko , Peter Bernath , Holger S. P. Müller , Stephanie McConkey , Jonathan Tennyson

H$_3^+$ is a ubiquitous and important astronomical species whose spectrum has been observed in the interstellar medium, planets and tentatively in the remnants of supernova SN1897a. Its role as a cooler is important for gas giant planets…

A theoretical line list for $^{15}$NH$_3$ CoYuTe-15 is presented based on the empirical potential energy and ab initio dipole moments surfaces developed and used for the production of the ExoMol line list CoYuTe for $^{14}$NH$_3$. The…

A computed line list for formaldehyde, H$_2{}^{12}$C$^{16}$O, applicable to temperatures up to $T=1500$~K is presented. An empirical potential energy and {\it ab initio} dipole moment surfaces are used as the input to nuclear motion program…

Astrophysics of Galaxies · Physics 2015-06-02 Ahmed F. Al-Refaie , Andrey Yachmenev , Jonathan Tennyson , Sergei N. Yurchenko

Silicon dioxide (SiO$_2$) 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…

Earth and Planetary Astrophysics · Physics 2020-05-29 A. Owens , E. K. Conway , J. Tennyson , S. N. Yurchenko

Comprehensive and accurate rovibronic line lists for the X $^{1}\Sigma^{+}$ and A $^{1}\Pi$ states of $^{12}$C$^{1}$H$^{+}$ and $^{13}$C$^{1}$H$^{+}$ which should be applicable up to temperatures of 5000 K are presented. Available empirical…

Solar and Stellar Astrophysics · Physics 2023-08-09 Oliver Pearce , Sergei N. Yurchenko , Jonathan Tennyson

Nitric acid is a possible biomarker in the atmospheres of exoplanets. An accurate line list of rotational and rotational-vibrational transitions is computed for nitric acid (HNO$_3$). This line list covers wavelengths longer than 1.42…

Earth and Planetary Astrophysics · Physics 2015-08-06 Anatoly I. Pavlyuchko , Sergei N. Yurchenko , Jonathan Tennyson

SiH has long been observed in the spectrum of our Sun and other cool stars. Computed line lists for the main isotopologues of silicon monohydride, $^{28}$SiH, $^{29}$SiH, $^{30}$SiH and $^{28}$SiD are presented. These line lists consider…

Solar and Stellar Astrophysics · Physics 2017-12-13 Sergei N. Yurchenko , Frances Sinden , Lorenzo Lodi , Christian Hill , Maire N. Gorman , Jonathan Tennyson

New line lists for four isotopologues of nickel monohydride, $^{58}$NiH, $^{60}$NiH, $^{62}$NiH, and $^{58}$NiD are presented covering the wavenumber range $<10000$ cm$^{-1}$ ($\lambda > 1$ $\mu$m), $J$ up to 37.5 for transitions within and…

A new hot line list for the main isotopologue of CO$_2$ is presented. The line list consists of almost 2.5 billion transitions between 3.5 million rotation-vibration states of CO$_2$ in its ground electronic state, covering the wavenumber…

Earth and Planetary Astrophysics · Physics 2020-07-10 S. N. Yurchenko , Thomas M. Mellor , Richard S. Freedman , J. Tennyson

A computed line list for hydrogen peroxide, H$_2{}^{16}$O$_2$, applicable to temperatures up to $T=1250$~K is presented. A semi-empirical high accuracy potential energy surface is constructed and used with an {\it ab initio} dipole moment…

Earth and Planetary Astrophysics · Physics 2016-07-05 Ahmed F. Al-Refaie , Oleg L. Polyansky , Roman I. Ovsyannikov , Jonathan Tennyson , Sergei N. Yurchenko

A new line list for ethylene, $^{12}$C$_2$$^1$H$_4$ is presented. The line list is based on high level ab initio potential energy and dipole moment surfaces. The potential energy surface is refined by fitting to experimental energies. The…

Earth and Planetary Astrophysics · Physics 2018-08-21 Barry P. Mant , Andrey Yachmenev , Jonathan Tennyson , Sergei N. Yurchenko

Accurate and complete rotational, rotational-vibrational and rotational-vibrational-electronic line lists are calculated for sodium hydride: both the NaH and NaD isotopologues are considered. These line lists cover all ro-vibrational states…

Astrophysics of Galaxies · Physics 2015-06-02 Tom Rivlin , Lorenzo Lodi , Sergei N. Yurchenko , Jonathan Tennyson , Robert J. Le Roy

A new line list for H$_2$$^{16}$O is presented. This line list, which is called POKAZATEL, includes transitions between rotation-vibrational energy levels up to 41000 cm$^{-1}$ in energy and is the most complete to date. The potential…

Earth and Planetary Astrophysics · Physics 2018-08-21 Oleg L. Polyansky , Aleksandra A. Kyuberis , Nikolai F. Zobov , Jonathan Tennyson , Sergei N. Yurchenko , Lorenzo Lodi

Comprehensive vibration-rotation line lists for eight isotopologues of carbon monosulphide (CS) ($^{12}$C$^{32}$S, $^{12}$C$^{33}$S, $^{12}$C$^{34}$S, $^{12}$C$^{36}$S, $^{13}$C$^{32}$S, $^{13}$C$^{33}$S, $^{13}$C$^{34}$S, $^{13}$C$^{36}$S)…

Astrophysics of Galaxies · Physics 2015-10-21 Geethu Paulose , Emma J. Barton , Sergei N. Yurchenko , Jonathan Tennyson