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Related papers: MOL-D: A Collisional Database and Web Service with…

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In this contribution we report the current stage of the MOLecular Dissociation (MOL-D) database which is a web service within the Serbian virtual observatory (SerVO) and node within Virtual Atomic and Molecular Data Center (VAMDC). MOL-D is…

Instrumentation and Methods for Astrophysics · Physics 2017-06-20 Vladimir A. Sreckovic , Darko Jevremovic , Veljko Vujcic , Ljubinko M. Ignjatovic , Nenad Milovanovic , Sanja Erkapic , Milan S. Dimitrijevic

Atomic and molecular data for the transitions of a number of astrophysically interesting species are summarized, including energy levels, statistical weights, Einstein A-coefficients and collisional rate coefficients. Available collisional…

Astrophysics · Physics 2014-10-13 F. L. Schoeier , F. F. S. van der Tak , E. F. van Dishoeck , J. H. Black

A five-dimensional coupled states (5D-CS) approximation is used to compute cross sections and rate coefficients for CO+H2 collisions. The 5D-CS calculations are benchmarked against accurate six-dimensional close-coupling (6D-CC)…

Instrumentation and Methods for Astrophysics · Physics 2017-01-20 Christina Castro , Kyle Doan , Michael Klemka , Robert C. Forrey , B. H. Yang , Phillip C. Stancil , N. Balakrishnan

The Virtual Atomic and Molecular Data Centre (VAMDC) (M.L. Dubernet et al. 2010, JQSRT 111, 2151) is an EU-FP7 e-infrastructure project devoted to building a common electronic infrastructure for the exchange and distribution of atomic and…

Instrumentation and Methods for Astrophysics · Physics 2018-03-14 F. Kupka , the VAMDC Collaboration

The CDMS was founded 1998 to provide in its catalog section line lists of molecular species which may be observed in various astronomical sources using radio astronomy. The line lists contain transition frequencies with qualified…

Instrumentation and Methods for Astrophysics · Physics 2016-08-31 Christian P. Endres , Stephan Schlemmer , Peter Schilke , Jürgen Stutzki , Holger S. P. Müller

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

In order to improve our understanding of the kinetics of the cometary coma, theoretical studies of the major reactive collisions in these environments are needed. Deep in the collisional coma, inelastic collisions between thermal electrons…

Earth and Planetary Astrophysics · Physics 2018-07-18 Y. Moulane , J. Zs. Mezei , V. Laporta , E. Jehin , Z. Benkhaldoun , I. F. Schneider

Water (H$_2$O) is one of the most abundant molecules in the universe and is found in a wide variety of astrophysical environments. Rotational transitions in H$_2$O + H$_2$O collisions are important in modeling environments rich in water…

We present a new technique to calculate the cross-section for diffractive vector meson production and DVCS in electron-ion collisions based on the dipole model. The measurement of these processes can provide valuable information on…

High Energy Physics - Phenomenology · Physics 2013-02-28 Tobias Toll , Thomas Ullrich

We use 3D-PDR, a three-dimensional astrochemistry code for modeling photodissociation regions (PDRs), to post-process hydrodynamic simulations of turbulent, star-forming clouds. We focus on the transition from atomic to molecular gas, with…

Solar and Stellar Astrophysics · Physics 2015-06-15 Stella S. R. Offner , Thomas G. Bisbas , Serena Viti , Thomas A. Bell

Power exhaust is one of the main challenges for the realization of practical fusion energy production. The magnetic confinement approach to fusion often uses a divertor configuration, where power loads are critical. Recent SOLPS simulations…

Plasma Physics · Physics 2023-11-29 Stijn Kobussen

A new web-server called The Molecule Calculator (MolCalc) is presented. The entry page is a molecular editor (JSmol) for interactive molecule building. The resulting structure can then be used to estimate molecular properties such as heats…

Chemical Physics · Physics 2013-07-15 Jan H. Jensen , Jimmy C. Kromann

Molecular dynamics calculations of inelastic collisions of atomic oxygen with molecular nitrogen are known to show orders of magnitude discrepancies with experimental results in the range from room temperature to many thousands of degrees…

Molecular ions can be held in a chain of laser-cooled atomic ions by sympathetic cooling. This system is ideal for performing high-precision molecular spectroscopy with applications in astrochemistry and fundamental physics. Here we show…

Atomic Physics · Physics 2015-08-20 Ncamiso B. Khanyile , Gang Shu , Kenneth R. Brown

Radiative decay processes at cold and ultra cold temperatures for Sulfur atoms colliding with protons are investigated. The MOLPRO quantum chemistry suite of codes was used to obtain accurate potential energies and transition dipole…

Atomic Physics · Physics 2015-02-26 G Shen , P C Stancil , J G Wang , J F McCann , B M McLaughlin

Exoplanets, and in particular hot ones such as hot Jupiters, require a very significant quantities of molecular spectroscopic data to model radiative transport in their atmospheres or to interpret their spectra. This data is commonly…

Earth and Planetary Astrophysics · Physics 2014-06-27 Christian Hill , Sergei N. Yurchenko , Jonathan Tennyson

The large quantity and high quality of modern radio and infrared line observations require efficient modeling techniques to infer physical and chemical parameters such as temperature, density, and molecular abundances. We present a computer…

Radiative turbulent mixing layers should be ubiquitous in multi-phase gas with shear flow. They are a potentially attractive explanation for the high ions such as OVI seen in high velocity clouds and the circumgalactic medium (CGM) of…

Astrophysics of Galaxies · Physics 2019-05-17 Suoqing Ji , S. Peng Oh , Phillip Masterson

The latest molecular data - potential energy curves and Rydberg$/$valence interactions - characterizing the super-excited electronic states of CO are reviewed, in order to provide inputs for the study of their fragmentation dynamics.…

The estimation of molecular abundances in interstellar clouds from spectroscopic observations requires radiative transfer calculations, which depend on basic molecular input data. This paper reviews recent developments in the fields of…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 Floris van der Tak
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