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Related papers: ExoAtom: A Database of Atomic Spectra in ExoMol Fo…

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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…

An accurate line list, VOMYT, of spectroscopic transitions is presented for hot VO. The 13 lowest electronic states are considered. Curves and couplings are based on initial {\it ab initio} electronic structure calculations and then tuned…

Solar and Stellar Astrophysics · Physics 2016-10-20 Laura K. McKemmish , Sergei N. Yurchenko , Jonathan Tennyson

We present a database of well determined orbital parameters of exoplanets. This database comprises spectroscopic orbital elements measured for 427 planets orbiting 363 stars from radial velocity and transit measurements as reported in the…

PyExoCross is a Python adaptation of the ExoCross Fortran application, PyExoCross is designed for postprocessing the huge molecular line lists generated by the ExoMol project and other similar initiatives such as the HITRAN and HITEMP…

Instrumentation and Methods for Astrophysics · Physics 2024-06-07 Jingxin Zhang , Jonathan Tennyson , Sergei N. Yurchenko

ExoCross is a Fortran code for generating spectra (emission, absorption) and thermodynamic properties (partition function, specific heat etc.) from molecular line lists. Input is taken in several formats, including ExoMol and HITRAN…

Earth and Planetary Astrophysics · Physics 2018-06-27 Sergei N. Yurchenko , Ahmed Al-Refaie , Jonathan Tennyson

Exoplanet science often involves using the system parameters of real exoplanets for tasks such as simulations, fitting routines, and target selection for proposals. Several exoplanet catalogues are already well established but often lack a…

Earth and Planetary Astrophysics · Physics 2016-09-21 Ryan Varley

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

Extensive rovibrational line lists are constructed for 12 isotopologues of carbon dioxide: $^{12}$C$^{16}$O$_2$, $^{13}$C$^{16}$O$_2$, $^{12}$C$^{17}$O$_2$, $^{13}$C$^{17}$O$_2$, $^{12}$C$^{18}$O$_2$, $^{13}$C$^{18}$O$_2$,…

A new ro-vibrational line list for the ground electronic state of the main isotopologue of acetylene, $^{12}$C$_2$H$_2$, is computed as part of the ExoMol project. The aCeTY line list covers the transition wavenumbers up to 10,000 cm$^{-1}$…

Solar and Stellar Astrophysics · Physics 2020-02-05 Katy L. Chubb , Jonathan Tennyson , Sergey N. Yurchenko

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

The EXchange FORmat (EXFOR) experimental nuclear reaction database and the associated Web interface provide access to the wealth of low- and intermediate-energy nuclear reaction physics data. This resource is based on numerical data sets…

Computational Physics · Physics 2018-02-19 V. V. Zerkin , B. Pritychenko

We describe the latest release of AtomDB, version 2.0.2, a database of atomic data and a plasma modeling code with a focus on X-ray astronomy. This release includes several major updates to the fundamental atomic structure and process data…

High Energy Astrophysical Phenomena · Physics 2015-06-05 A. R. Foster , L. Ji , R. K. Smith , N. S. Brickhouse

Accurate rotation-vibration line lists for two molecules, NaCl and KCl, in their ground electronic states are presented. These line lists are suitable for temperatures relevant to exoplanetary atmospheres and cool stars (up to 3000 K).…

The CHIANTI atomic database contains atomic energy levels, wavelengths, radiative transition probabilities and electron excitation data for a large number of ions of astrophysical interest. Version 4 has been released, and proton excitation…

Astrophysics · Physics 2009-11-07 P. R. Young , G. Del Zanna , E. Landi , K. P. Dere , H. E. Mason , M. Landini

We describe a new atomic and molecular database we developed for use in the spectral synthesis code Cloudy. The design of Stout is driven by the data needs of Cloudy, which simulates molecular, atomic, and ionized gas with kinetic…

Instrumentation and Methods for Astrophysics · Physics 2015-07-15 M. L. Lykins , G. J. Ferland , R. Kisielius , M. Chatzikos , R. L. Porter , P. A. M. van Hoof , R. J. R. Williams , F. P. Keenan , P. C. Stancil

We present version 8 of the CHIANTI database. This version includes a large amount of new data and ions, which represent a significant improvement in the soft X-ray, EUV and UV spectral regions, which several space missions currently cover.…

Solar and Stellar Astrophysics · Physics 2015-10-14 G. Del Zanna , K. P. Dere , P. R. Young , E. Landi , H. E. Mason

A new hot line list for $^{14}$NH$_3$ is presented. The line list CoYuTe was constructed using an accurate, empirically refined potential energy surface and a CCSD(T)/aug-cc-pVQZ ab initio dipole moment surface of ammonia, previously…

Solar and Stellar Astrophysics · Physics 2019-11-26 Phillip A. Coles , Sergei N. Yurchenko , Jonathan Tennyson

The best molecular line lists for astrophysical applications today require both high accuracy of line positions for strong lines as well as high overall completeness. The former is required to enable, for example, molecular detection in…

A Projector Augmented Wave (PAW) atomic data file is needed to be generated for each element, and plays in the PAW method the role of the pseudopotential file for norm-conserving (NC) or ultra-soft (US) plane wave calculations. In this…

Materials Science · Physics 2014-03-05 François Jollet , Marc Torrent , Natalie Holzwarth

A rovibronic line list for the ground ($X$ $^3\Sigma^-$) and first excited ($a$ $^1\Delta$) states of phosphinidene, $^{31}$PH, is computed. The line list is designed for studies of exoplanetary and cool stellar atmospheres with…

Earth and Planetary Astrophysics · Physics 2019-07-17 Jonathan Langleben , Jonathan Tennyson , Sergei N. Yurchenko , Peter Bernath