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Related papers: The ExoMol project: Software for computing large m…

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With the development of ever-improving telescopes capable of observing exoplanet atmospheres in greater detail and number, there is a growing demand for enhanced 3D climate models to support and help interpret observational data from space…

Earth and Planetary Astrophysics · Physics 2025-08-15 Alexander Plaschzug , Amit Reza , Ludmila Carone , Sebastian Gernjak , Christiane Helling

SiS has long been observed in the circumstellar medium of the carbon-rich star IRC+10216 CW Leo. Comprehensive and accurate rotation-vibrational line lists and partition functions are computed for 12 isotopologues of silicon sulphide…

Solar and Stellar Astrophysics · Physics 2018-08-21 Apoorva Upadhyay , Eamon K. Conway , Jonathan Tennyson , Sergei N. Yurchenko

Astrophysical molecular spectroscopy is an important method of searching for new physics through probing the variation of the proton-to-electron mass ratio, $\mu$, with existing constraints limiting variation to a fractional change of less…

Chemical Physics · Physics 2020-08-26 Anna-Maree Syme , Adam Mousley , Maria Cunningham , Laura K McKemmish

We present Pandora, a new software to model, detect, and characterize transits of extrasolar planets with moons in stellar photometric time series. Pandora uses an analytical description of the transit light curve for both the planet and…

Earth and Planetary Astrophysics · Physics 2022-05-20 Michael Hippke , René Heller

Radiative-transfer (RT) is a key component for investigating atmospheres of planetary bodies. With the 3D nature of exoplanet atmospheres being important in giving rise to their observable properties, accurate and fast 3D methods are…

Many moons have been detected around planets in our Solar System, but none has been detected unambiguously around any of the confirmed extrasolar planets. We test the feasibility of a supervised convolutional neural network to classify…

Earth and Planetary Astrophysics · Physics 2020-08-12 Rasha Alshehhi , Kai Rodenbeck , Laurent Gizon , Katepalli R. Sreenivasan

Following the widespread practice of exoplanetary transit simulations, various presumed components of an extrasolar system can be examined in numerically simulated transits, including exomoons, rings around planets, and the deformation of…

Earth and Planetary Astrophysics · Physics 2024-05-24 Szilárd Kálmán , Gyula M. Szabó , Csaba Kiss

We present the first variational calculation of a hot temperature ab initio line list for the CH$_3$ radical. It is based on a high level ab initio potential energy surface and dipole moment surface of CH$_3$ in the ground electronic state.…

Chemical Physics · Physics 2019-05-15 Ahmad Y. Adam , Andrey Yachmenev , Sergei N. Yurchenko , Per Jensen

The ExoEcho project is designed to study the photodynamics of exoplanets by leveraging high-precision transit timing data from ground- and space-based telescopes. Some exoplanets are experiencing orbital decay, and transit timing variation…

Earth and Planetary Astrophysics · Physics 2025-01-13 Xinyue Ma , Wenqin Wang , Zixin Zhang , Cong Yu , Dichang Chen , Jiwei Xie , Shangfei Liu , Li Zhou , Bo Ma

The radial velocity (RV) method, also known as Doppler spectroscopy, is a powerful technique for exoplanet discovery and characterization. In recent years, progress has been made thanks to the improvements in the quality of spectra from new…

Earth and Planetary Astrophysics · Physics 2026-01-06 Joseph Salzer , Jessi Cisewski-Kehe , Eric B. Ford , Lily L. Zhao

Silicon mononitride ($^{28}$Si$^{14}$N, $^{29}$Si$^{14}$N, $^{30}$Si$^{14}$N, $^{28}$Si$^{15}$N) line lists covering infrared, visible and ultraviolet regions are presented. The \name\ line lists produced by ExoMol include rovibronic…

Earth and Planetary Astrophysics · Physics 2022-10-25 Mikhail Semenov , Nicholas Clark , Sergei N. Yurchenko , Gap-Sue Kim , Jonathan Tennyson

High-resolution Doppler spectroscopy is a powerful tool for identifying molecular species in the atmospheres of both transiting and non-transiting exoplanets. Currently, such data is analysed using cross-correlation techniques to detect the…

Earth and Planetary Astrophysics · Physics 2019-10-09 Christopher Watson , Ernst de Mooij , Danny Steeghs , Tom Marsh , Matteo Brogi , Neale Gibson , Shannon Matthews

Field emission coupled with molecular dynamics simulation (FEcMD) software package is a computational tool for studying atomic structure evolution, structural deformation, phase transitions, recrystallization as well as electron emission…

Computational Physics · Physics 2026-01-22 Bing Xiao , Nan Li , Wenqian Kong , Rui Chu , Hongyu Zhang , Guodong Meng , Kai Wu , Yonghong Cheng

This paper introduces a new open-source software program called VoroTop, which uses Voronoi topology to analyze local structure in atomic systems. Strengths of this approach include its abilities to analyze high-temperature systems and to…

Materials Science · Physics 2018-04-13 Emanuel A. Lazar

Application of diffusion Monte Carlo algorithm in three-body systems is studied. We develop a program and use it to calculate the property of various three-body systems. Regular Coulomb systems such as atoms, molecules and ions are…

Nuclear Theory · Physics 2018-04-23 Mengjiao Lyu , Zhongzhou Ren , Qihu Lin

VORO++ is a software library written in C++ for computing the Voronoi tessellation, a technique in computational geometry that is widely used for analyzing systems of particles. VORO++ was released in 2009 and is based on computing the…

Computational Physics · Physics 2023-08-09 Jiayin Lu , Emanuel A. Lazar , Chris H. Rycroft

Computing and using opacities is a key part of modeling and interpreting data of exoplanetary atmospheres. Since the underlying spectroscopic line lists are constantly expanding and currently include up to ~ 10^10 - 10^11 transition lines,…

Program SHELLSPEC is designed to calculate light curves, spectra, and images of interacting binaries and extra-solar planets immersed in a moving gaseous or dusty circumstellar matter. It solves simple radiative transfer along the line of…

Earth and Planetary Astrophysics · Physics 2021-05-13 Jan Budaj

Astrophysical molecular spectroscopy is an important means of searching for new physics through probing the variation of the proton-to-electron mass ratio, $\mu$. New molecular probes could provide tighter constraints on the variation of…

Atomic Physics · Physics 2020-08-26 Anna-Maree Syme , Laura K. McKemmish

A very efficient large-order perturbation theory is formulated for the nuclear motion of a linear triatomic molecule. To demonstrate the method, all of the experimentally observed rotational energies, with values of $J$ almost up to 100,…

Chemical Physics · Physics 2009-10-30 Andrei A. Suvernev , David Z. Goodson
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