English
Related papers

Related papers: Molecular line shape parameters for exoplanetary a…

200 papers

Escaping exoplanet atmospheres have been observed as deep transit signatures in a few specific spectral lines. Detections have been made in the hydrogen Ly-$\alpha$ line, the metastable helium line at 10830 {\AA} and some UV lines of…

Earth and Planetary Astrophysics · Physics 2023-07-26 Dion Linssen , Antonija Oklopčić

Accurate line lists are calculated for aluminium monoxide covering the pure rotation, rotation-vibration and electronic (B -- X blue-green and A -- X infrared bands) spectrum. Line lists are presented for the main isotopologue,…

Astrophysics of Galaxies · Physics 2015-04-14 Andrei T. Patrascu , Sergei N. Yurchenko , Jonathan Tennyson

More than a thousand exoplanets have been discovered over the last decade. Perhaps more excitingly, probing their atmospheres has become possible. With current data we have glimpsed the diversity of exoplanet atmospheres that will be…

Earth and Planetary Astrophysics · Physics 2015-06-18 Vivien Parmentier , Adam P. Showman , Julien de Wit

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

Exploring exoplanets has transformed our understanding of the universe by revealing many planetary systems that defy our current understanding. To study their atmospheres, spectroscopic observations are used to infer essential atmospheric…

Earth and Planetary Astrophysics · Physics 2025-12-19 Flavio Giobergia , Alkis Koudounas , Elena Baralis

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

Determining the atmospheric structure and chemical composition of an exoplanet remains a formidable goal. Fortunately, advancements in the study of exoplanets and their atmospheres have come in the form of direct imaging - spatially…

Earth and Planetary Astrophysics · Physics 2013-03-15 Quinn M. Konopacky , Travis S. Barman , Bruce A. Macintosh , Christian Marois

A new molecular line list for lithium hydroxide ($^{7}$Li$^{16}$O$^{1}$H) covering wavelengths $\lambda > 1 \mu$m (the 0-10000 cm$^{-1}$ range) is presented. The OYT7 line list contains over 331 million transitions between…

Detailed characterization of an extrasolar planet's atmosphere provides the best hope for distinguishing the makeup of its outer layers, and the only hope for understanding the interplay between initial composition, chemistry, dynamics &…

Earth and Planetary Astrophysics · Physics 2016-03-09 Ian J. M. Crossfield

Many atmospheres (cool stars, brown dwarfs, giant planets, extrasolar planets) are predominately composed of molecular hydrogen and helium. H$_2{}^{16}$O is one of the best measured molecules in extrasolar planetary atmospheres to date and…

Earth and Planetary Astrophysics · Physics 2017-01-03 Emma J. Barton , C. Hill , Sergei N. Yurchenko , Jonathan Tennyson , Anna S. Dudaryonok , Nina N. Lavrentieva

We review several aspects of the calculation of exoplanet model atmospheres in the current era, with a focus on understanding the temperature-pressure profiles of atmospheres and their emitted spectra. Most of the focus is on gas giant…

Earth and Planetary Astrophysics · Physics 2018-04-24 Jonathan J. Fortney

Studying the atmospheres of exoplanets is one of the most promising ways to learn about distant worlds beyond our solar system. The composition of an exoplanet's atmosphere can provide critical insights into its geology and potential…

Earth and Planetary Astrophysics · Physics 2025-05-05 Surangkhana Rukdee

The characterization of exoplanetary atmospheres has come of age in the last decade, as astronomical techniques now allow for albedos, chemical abundances, temperature profiles and maps, rotation periods and even wind speeds to be measured.…

Earth and Planetary Astrophysics · Physics 2014-10-13 Kevin Heng , Adam P. Showman

This brief review focuses on methods and applications of modeling exoplanetary atmospheres. We discuss various kinds of state of the art self-consistent and retrieval models in 1D and multi-D with a focus on open questions and short- and…

Earth and Planetary Astrophysics · Physics 2021-12-15 Jonathan J. Fortney , Joanna K. Barstow , Nikku Madhusudhan

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

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).…

Modeling the outflow of planetary atmospheres is important for understanding the evolution of exoplanet systems and for interpreting their observations. Modern theoretical models of exoplanet atmospheres become increasingly detailed and…

Earth and Planetary Astrophysics · Physics 2021-06-30 P. B. Isakova , Ya. N. Pavlyuchenkov , E. S. Kalinicheva , V. I. Shematovich

We are now on a clear trajectory for improvements in exoplanet observations that will revolutionize our ability to characterize their atmospheric structure, composition, and circulation, from gas giants to rocky planets. However, exoplanet…

Earth and Planetary Astrophysics · Physics 2019-05-20 Jonathan J. Fortney , Tyler D. Robinson , Shawn Domagal-Goldman , Anthony D. Del Genio , Iouli E. Gordon , Ehsan Gharib-Nezhad , Nikole Lewis , Clara Sousa-Silva , Vladimir Airapetian , Brian Drouin , Robert J. Hargreaves , Xinchuan Huang , Tijs Karman , Ramses M. Ramirez , Gregory B. Rieker , Jonathan Tennyson , Robin Wordsworth , Sergei N Yurchenko , Alexandria V Johnson , Timothy J. Lee , Chuanfei Dong , Stephen Kane , Mercedes Lopez-Morales , Thomas Fauchez , Timothy Lee , Mark S. Marley , Keeyoon Sung , Nader Haghighipour , Tyler Robinson , Sarah Horst , Peter Gao , Der-you Kao , Courtney Dressing , Roxana Lupu , Daniel Wolf Savin , Benjamin Fleury , Olivia Venot , Daniela Ascenzi , Stefanie Milam , Harold Linnartz , Murthy Gudipati , Guillaume Gronoff , Farid Salama , Lisseth Gavilan , Jordy Bouwman , Martin Turbet , Yves Benilan , Bryana Henderson , Natalie Batalha , Rebecca Jensen-Clem , Timothy Lyons , Richard Freedman , Edward Schwieterman , Jayesh Goyal , Luigi Mancini , Patrick Irwin , Jean-Michel Desert , Karan Molaverdikhani , John Gizis , Jake Taylor , Joshua Lothringer , Raymond Pierrehumbert , Robert Zellem , Natasha Batalha , Sarah Rugheimer , Jacob Lustig-Yaeger , Renyu Hu , Eliza Kempton , Giada Arney , Mike Line , Munazza Alam , Julianne Moses , Nicolas Iro , Laura Kreidberg , Jasmina Blecic , Tom Louden , Paul Molliere , Kevin Stevenson , Mark Swain , Kimberly Bott , Nikku Madhusudhan , Joshua Krissansen-Totton , Drake Deming , Irina Kitiashvili , Evgenya Shkolnik , Zafar Rustamkulov , Leslie Rogers , Laird Close

Spectroscopic observations of exoplanets are leading to unprecedented constraints on their atmospheric compositions. However, molecular abundances derived from spectra are degenerate with the absorption cross sections which form critical…

Earth and Planetary Astrophysics · Physics 2016-02-17 Christina Hedges , Nikku Madhusudhan

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