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Found 2 result(s)

Institut d'Astronomie et d'Astrophysique Databases

Institut d'Astronomie et d'Astrophysique Bases de Données

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The following databases are maintained at IAA-ULB: Nuclear Database (BRUSLIB - A collection of nuclear data (masses, fission barriers, E1 strength functions, nuclear level densities, partition functions, reaction rates) of interest for nuclear astrophysics, stellar evolution and nucleosynthesis), Nuclear Network Generator NetGen (A tool for generating nuclear-reaction rates on user-defined networks), NACRE II (An update of the Nuclear Astrophysics Compilation of Reaction Rates (NACRE) including the evaluation of 34 reactions on stable targets with mass numbers A<16), The Ninth Catalogue of Orbits of Spectroscopic Binaries (SB9), The Henize sample of S stars, The radial-velocity monitoring of barium and S stars, Molecular linelist (Molecular linelists for stellar spectra), and Stellar models (Pre-main-sequence and super-AGB phases).

The Atomic Line List

The Atomic Line List v2.04

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This is a compilation of approximately 923,000 allowed, intercombination and forbidden atomic transitions with wavelengths in the range from 0.5 Å to 1000 µm. It's primary intention is to allow the identification of observed atomic absorption or emission features. The wavelengths in this list are all calculated from the difference between the energy of the upper and lower level of the transition. No attempt has been made to include observed wavelengths. Most of the atomic energy level data have been taken from the Atomic Spectra Database provided by the National Institute of Standards and Technology (NIST).