50 citations · 318 across the 26 of their papers we have counts for
27 papers
PyExoCross 2.0: A Python Framework for LTE and non-LTE Spectra, Cross Sections, and Spectroscopic Post-processing of Atomic and Molecular Line Lists
Jingxin Zhang, Sergei N. Yurchenko, Jonathan Tennyson
PyExoCross is a Python-based spectroscopic post-processing framework for converting large atomic and molecular line lists into scientifically useful quantities, including partition…
Automated AFGL quantum number assignment for CO isotopologues using a graph neural network
Marco G. Barnfield, Sergei N. Yurchenko, Jonathan Tennyson
Accurate quantum number assignment for calculated molecular energy levels is a critical bottleneck in generating line broadening parameters for comprehensive line lists for radiati…
Machine learning isotope shifts in molecular energy levels
Marco G. Barnfield, Oleg L. Polyansky, Sergei N. Yurchenko +1
Recent advances in the use of High-Resolution Cross-Correlation Spectroscopy (HRCCS) to detect molecular species in exoplanet atmospheres, presents a new challenge for the accuracy…
ExoMol line lists -- LXIII: ExoMol line lists for 12 isotopologues of CO
Sergei N. Yurchenko, Marco G. Barnfield, Charles A. Bowesman +9
Extensive rovibrational line lists are constructed for 12 isotopologues of carbon dioxide: CO, CO, CO, CO, $…
ExoMolHR: A Relational Database of Empirical High-Resolution Molecular Spectra
Jingxin Zhang, Christian Hill, Jonathan Tennyson +1
ExoMolHR is an empirical, high-resolution molecular spectrum calculator for the high-temperature molecular line lists available from the ExoMol molecular database. Uncertainties, w…
Empirical rovibrational energy levels for carbon disulfide
Tanvi Sattiraju, Jonathan Tennyson
An analysis of the measured rovibrational transitions is carried out for the 12C32S2 isotopologue of carbon disulfide. Data from 21 sources is extracted and validated using a consi…
ExoMol line lists -- LXIV: Empirical rovibronic spectra of phosphorous mononitride (PN) covering the IR and UV regions
Mikhail Semenov, Nayla El-Kork, Sergei N. Yurchenko +1
A new phosphorous mononitride (PN, PN) line list PaiN covering infrared, visible and ultraviolet regions is presented. The PaiN line list extend…
ExoMol line lists -- LXV. Mid-Infrared rovibronic spectroscopy of isotopologues of NiH
Kirill Batrakov, Sergei N. Yurchenko, Alec Owens +5
New line lists for four isotopologues of nickel monohydride, NiH, NiH, NiH, and NiD are presented covering the wavenumber range cm ($λ>…
ExoMol line lists -- LX. Molecular line list for the ammonia isotopologue NH
Sergei N. Yurchenko, Charles A. Bowesman, Ryan P. Brady +10
A theoretical line list for NH CoYuTe-15 is presented based on the empirical potential energy and ab initio dipole moments surfaces developed and used for the production…
ExoMol line lists -- LIX. High-temperature line list for NO
Sergei N. Yurchenko, Thomas M. Mellor, Jonathan Tennyson
New hot line lists for five isotopologues of NO are presented, for the parent NO and 4 singly substituted species NO, NO, $^{14}…
A hybrid approach to generating diatomic line lists for high resolution studies of exoplanets and other hot astronomical objects: Updates to ExoMol MgO, TiO and VO line lists
Laura K. McKemmish, Charles A. Bowesman, Kyriaki Kefala +4
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…
PyExoCross: a Python program for generating spectra and cross-sections from molecular line lists
Jingxin Zhang, Jonathan Tennyson, Sergei N. Yurchenko
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 o…
Electron collision studies on the CH molecular ion
K. Chakrabarti, J. Zs Mezei, I. F. Schneider +1
Calculations are performed for electron collision with the methylene molecular ion CH in its bent equilibrium geometry, with the goal to obtain cross sections for electron im…
Data availability and requirements relevant for the Ariel space mission and other exoplanet atmosphere applications
Katy L. Chubb, Séverine Robert, Clara Sousa-Silva +52
The goal of this white paper is to provide a snapshot of the data availability and data needs primarily for the Ariel space mission, but also for related atmospheric studies of exo…
Predissociation dynamics of the hydroxyl radical (OH) based on a five-state spectroscopic model
Georgi B. Mitev, Jonathan Tennyson, Sergey N. Yurchenko
Multi-reference configuration interaction (MRCI) potential energy curves (PECs) and spin-orbit couplings for the X , A , 1 , 1 , and 1 states of…
Dissociative recombination of NS+ in collisions with slow electrons
R. Hassaine, F. Gauchet, F. Iacob +4
Cross sections and rate coefficients for the Dissociative Recombination (DR) of the NS+ ion induced by collisions with low-energy electrons are reported for temperatures between 10…
Dissociation of hydrofluorocarbon molecules after electron impact in plasma
Dmitry V. Makhov, Gregory Armstrong, Hsiao-Han Chuang +6
The process of dissociation for two hydrofluorocarbon molecules in low triplet states excited by electron impact in plasma is investigated by ab initio Molecular Dynamics (AIMD). T…
Spectroscopic confirmation of high-amplitude eruptive YSOs and dipping giants from the VVV survey
Zhen Guo, P. W. Lucas, R. Kurtev +17
During the pre-main-sequence (pre-MS) evolution stage of a star, significant amounts of stellar mass are accreted during episodic accretion events, such as multi-decade FUor-type o…
The impact of spectral line wing cut-off: Recommended standard method with application to MAESTRO opacity database
Ehsan, Gharib-Nezhad, Natasha E. Batalha +8
When computing cross-sections from a line list, the result depends not only on the line strength, but also the line shape, pressure-broadening parameters, and line wing cut-off (i.…
Collisional broadening of molecular rovibronic lines
Jeanna Buldyreva, Ryan P. Brady, Sergei N. Yurchenko +1
To meet burning needs of high-resolution pressure-induced line-shape parameters in the UV/visible regions for hot-temperature industrial and atmospheric applications as well as cur…
ExoMol line lists -- LVI: The SO line list, MARVEL analysis of experimental transition data and refinement of the spectroscopic model
Ryan P. Brady, Sergei N. Yurchenko, Jonathan Tennyson +1
A semi-empirical IR/Vis line list, SOLIS, for the sulphur monoxide molecule SO is presented. SOLIS includes accurate empirical rovibrational energy levels, uncertaint…
ExoMol line lists -- LIV: Empirical line lists for AlH and AlD and experimental emission spectroscopy of AlD in ()
Sergei N. Yurchenko, Wojciech Szajna, Rafał Hakalla +6
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 rece…
The Need for Laboratory Measurements and Ab Initio Studies to Aid Understanding of Exoplanetary Atmospheres
Jonathan J. Fortney, Tyler D. Robinson, Shawn Domagal-Goldman +85
We are now on a clear trajectory for improvements in exoplanet observations that will revolutionize our ability to characterize their atmospheric structure, composition, and circul…
Molecular line shape parameters for exoplanetary atmospheric applications
Sergey Yurchenko, Jonathan Tennyson, Emma J. Barton
We describe the recent updates to the ExoMol database regarding the molecular spectral line shapes. ExoMol provides comprehensive molecular line lists with a special emphasis on th…