English
Related papers

Related papers: Molecular diatomic spectroscopy data

200 papers

High-precision spectroscopy of large stellar samples plays a crucial role for several topical issues in astrophysics. Examples include studying the chemical structure and evolution of the Milky Way galaxy, tracing the origin of chemical…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 U. Heiter , K. Lind , M. Asplund , P. S. Barklem , M. Bergemann , L. Magrini , T. Masseron , Š. Mikolaitis , J. C. Pickering , M. P. Ruffoni

This review highlights current (and future) hot topics in astrophysics where atomic or molecular input data are (or will be) essential, with special emphasis on topics relating to nucleosynthesis and cosmochemistry. We first discuss issues…

Astrophysics · Physics 2009-11-10 A. Jorissen

Unambiguously identifying molecules in spectra is of fundamental importance for a variety of scientific and industrial uses. Interpreting atmospheric spectra for the remote detection of volatile compounds requires information about the…

Chemical Physics · Physics 2019-11-12 Clara Sousa-Silva , Janusz J Petkowski , Sara Seager

The current need for atomic data to model stellar spectra obtained in various wavelength ranges is described. The level of completeness and accuracy of these data is discussed.

Instrumentation and Methods for Astrophysics · Physics 2015-10-01 R. Monier

We review the available atomic data used for interpreting and modeling X-ray observations. The applications for these data can be divided into several levels of detail, ranging from compilations which can be used with direct inspection of…

Astrophysics · Physics 2008-11-26 T. R. Kallman , P. Palmeri

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

Spectroscopic techniques are essential tools for determining the structure of molecules. Different spectroscopic techniques, such as Nuclear magnetic resonance (NMR), Infrared spectroscopy, and Mass Spectrometry, provide insight into the…

Chemical Physics · Physics 2024-10-30 Marvin Alberts , Oliver Schilter , Federico Zipoli , Nina Hartrampf , Teodoro Laino

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

We show, through a machine learning approach, that the equilibrium distance, harmonic vibrational frequency, and binding energy of diatomic molecules are universally related. In particular, the relationships between spectroscopic constants…

Chemical Physics · Physics 2020-05-19 Xiangyue Liu , Gerard Meijer , Jesús Pérez-Ríos

Classification is valuable and necessary in spectral analysis, especially for data-driven mining. Along with the rapid development of spectral surveys, a variety of classification techniques have been successfully applied to astronomical…

Instrumentation and Methods for Astrophysics · Physics 2022-12-20 Haifeng Yang , Lichan Zhou , Jianghui Cai , Chenhui Shi , Yuqing Yang , Xujun Zhao , Juncheng Duan , Xiaona Yin

Line-by-line calculations are becoming the standard procedure for carrying spectral simulations. However, it is important to insure the accuracy of such spectral simulations through the choice of adapted models for the simulation of key…

Optics · Physics 2007-05-23 M. Lino da Silva

Molecules reside broadly in the interstellar space and can be detected via spectroscopic observations. To date, more than 271 molecular species have been identified in interstellar medium or circumstellar envelopes. Molecular spectroscopic…

Astrophysics of Galaxies · Physics 2022-09-27 Xin Liu , Fujun Du

Molecular line data for the rotational transitions of a number of astrophysically interesting species have been collected and are made publically available through the www. These data, including energy levels, statistical weights, Einstein…

Astrophysics · Physics 2007-05-23 F. L. Schoeier , F. F. S. van der Tak , E. F. van Dishoeck , J. H. Black

Precision spectroscopy has long played a central role in testing the foundations of physics, from the early insights that led to the development of quantum mechanics to the validation of quantum electrodynamics and the determination of…

High Energy Physics - Phenomenology · Physics 2026-02-26 Cédric Delaunay , Jean-Philippe Karr , Yotam Soreq

Many of the fundamental questions in astrophysics can be addressed using spectroscopic observations of photoionized cosmic plasmas. However, the reliability of the inferred astrophysics depends on the accuracy of the underlying atomic data…

Astrophysics · Physics 2007-05-23 Daniel Wolf Savin

Sources of uncertainty are reviewed for calculated atomic and molecular data that are important for plasma modeling: atomic and molecular structure and cross sections for electron-atom, electron-molecule, and heavy particle collisions. We…

This review article is devoted to application of precision molecular spectroscopy to studies of the possible spatial and temporal variations of the fundamental constants. Both astrophysical observations and laboratory experiments are…

Atomic Physics · Physics 2009-07-18 V. V. Flambaum , M. G. Kozlov

A major limitation and a continuing source of confusion in the interpretation of molecular line observations has been the large degree of chemical complexity that is observed in star-forming molecular cores. The past decade has seen…

Astrophysics · Physics 2017-01-18 Edwin A. Bergin

Mass spectrometry is a widely used method to study molecules and processes in medicine, life sciences, chemistry, catalysis, and industrial product quality control, among many other applications. One of the main features of some mass…

Chemical Physics · Physics 2024-07-02 Daniil A. Boiko , Valentine P. Ananikov

Spectral methods have emerged as a simple yet surprisingly effective approach for extracting information from massive, noisy and incomplete data. In a nutshell, spectral methods refer to a collection of algorithms built upon the eigenvalues…

Machine Learning · Statistics 2021-10-26 Yuxin Chen , Yuejie Chi , Jianqing Fan , Cong Ma
‹ Prev 1 2 3 10 Next ›