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A computer program is presented by which one may calculate the multiple electric dipole, electric quadrupole and magnetic dipole Coulomb excitation with relativistic heavy ions. The program applies to an arbitrary nucleus, specified by the…

Nuclear Experiment · Physics 2009-10-31 C. A. Bertulani

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…

Earth and Planetary Astrophysics · Physics 2021-03-03 A. Owens , J. Tennyson , S. N. Yurchenko

We present 'BYTe', a comprehensive 'hot' line list for the ro-vibrational transitions of ammonia, 14NH3, in its ground electronic state. This line list has been computed variationally using the program suite TROVE, a new…

Earth and Planetary Astrophysics · Physics 2017-07-03 S. N. Yurchenko , R. J. Barber , J. Tennyson

The identification of molecules in exoplanetary atmospheres is only possible thanks to the availability of high-resolution molecular spectroscopic data. However, due to its intensive and time-consuming generation process, at present, only…

Earth and Planetary Astrophysics · Physics 2023-07-12 Juan C. Zapata Trujillo , Maria M. Pettyjohn , Laura K. McKemmish

We describe a new software package capable of predicting the spectra of solar-system planets, exoplanets, brown dwarfs and cool stars. The Versatile Software for Transfer of Atmospheric Radiation (VSTAR) code combines a line-by-line…

Earth and Planetary Astrophysics · Physics 2015-05-30 Jeremy Bailey , Lucyna Kedziora-Chudczer

A new silicon monoxide ($^{28}$Si$^{16}$O) line list covering infrared, visible and ultraviolet regions called SiOUVenIR is presented. This line list extends the infrared EBJT ExoMol line list by including vibronic transitions to the…

New ExoMol line lists AloHa for AlH and AlD are presented improving the previous line lists WYLLoT (Yurchenko et al., MNRAS 479, 1401 (2018)). The revision is motivated by the recent experimental measurements and astrophysical findings…

Empirical line lists for the open shell molecule $^{89}$Y$^{16}$O (yttrium oxide) and its isotopologues are presented. The line lists cover the 6 lowest electronic states: $X {}^{2}\Sigma^{+}$, $A {}^{2}\Pi$, $A' {}^{2}\Delta$, $B…

Solar and Stellar Astrophysics · Physics 2023-11-14 Sergei N. Yurchenko , Ryan P. Brady , Jonathan Tennyson , Alexander N. Smirnov , Oleg A. Vasilyev , Victor G. Solomonik

A new line list for AlH is produced. The WYLLoT line list spans two electronic states $X\,{}^1\Sigma^+$ and $A\,{}^1\Pi$. A diabatic model is used to model the shallow potential energy curve of the $A\,{}^1\Pi$ state, which has a strong…

Solar and Stellar Astrophysics · Physics 2018-08-21 Sergei N. Yurchenko , Henry Williams , Paul C. Leyland , Lorenzo Lodi , 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…

Remote sensing experiments require high-accuracy, preferably sub-percent, line intensities and in response to this need we present computed room temperature line lists for six symmetric isotopologues of carbon dioxide: $^{13}$C$^{16}$O$_2$,…

Earth and Planetary Astrophysics · Physics 2017-11-01 Emil J. Zak , Jonathan Tennyson , Oleg L. Polyansky , Lorenzo Lodi , Nikolay F. Zobov , Sergei A. Tashkun , Valery I. Perevalov

A comprehensive, calculated line list of frequencies and transition probabilities for the singly deuterated isotopologue of H3+, H2D+, is presented. The line list, called ST1, contains over 22 million rotational-vibrational transitions…

Computational Physics · Physics 2010-05-11 Taha Sochi , Jonathan Tennyson

An accurate and comprehensive room temperature rotation-vibration transition line list for phosphine (31PH3) is computed using a newly refined potential energy surface and a previously constructed ab initio electric dipole moment surface.…

Earth and Planetary Astrophysics · Physics 2013-05-17 Clara Sousa-Silva , Sergei N. Yurchenko , Jonathan Tennyson

This paper describes the VARTOOLS program, which is an open-source command-line utility, written in C, for analyzing astronomical time-series data, especially light curves. The program provides a general-purpose set of tools for processing…

Instrumentation and Methods for Astrophysics · Physics 2016-05-24 Joel D. Hartman , Gáspár Á Bakos

We present Exo-Transmit, a software package to calculate exoplanet transmission spectra for planets of varied composition. The code is designed to generate spectra of planets with a wide range of atmospheric composition, temperature,…

Earth and Planetary Astrophysics · Physics 2017-03-22 Eliza M. -R. Kempton , Roxana E. Lupu , Albert Owusu-Asare , Patrick Slough , Bryson Cale

SpectraPlot is a web-based application for simulating spectra of atomic and molecular gases. At the time this manuscript was written, SpectraPlot consisted of four primary tools for calculating: 1) atomic and molecular absorption spectra,…

A semi-empirical IR/Vis line list, SOLIS, for the sulphur monoxide molecule $^{32}$S$^{16}$O is presented. SOLIS includes accurate empirical rovibrational energy levels, uncertainties, lifetimes, quantum number assignments, and transition…

Earth and Planetary Astrophysics · Physics 2023-12-18 Ryan P. Brady , Sergei N. Yurchenko , Jonathan Tennyson , Gap-Sue Kim

New set of wavenumber values for electronic-vibro-rotational (rovibronic) transitions in limited part of the emission spectrum of the $D_2$ molecule ($545 \div 627$ nm) have been measured with a precision $0.007 \div 0.1$ cm$^{-1}$…

Chemical Physics · Physics 2011-12-13 B. P. Lavrov , I. S Umrikhin

The spectrum of dicarbon (C2) is important in astrophysics and for spectroscopic studies of plasmas and flames. The C2 spectrum is characterized by many band systems with new ones still being actively identified; astronomical observations…

Until now, there is no confirmed moon beyond our solar system (exomoon). Exomoons offer us new possibly habitable places which might also be outside the classical habitable zone. But until now, the search for exomoons needs much…

Earth and Planetary Astrophysics · Physics 2021-12-08 Lukas Weghs
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