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ready NIST Atomic Spectra Database

Abbreviation:ASD

General Information
The Atomic Spectra Database (ASD) contains data for radiative transitions and energy levels in atoms and atomic ions. Data are included for observed transitions and energy levels of most of the known chemical elements. ASD contains data on spectral lines with wavelengths from about 20 pm (picometers) to 60 m (meters). For many lines, ASD includes radiative transition probabilities. The energy level data include the ground states and ionization energies for all spectra. For most spectra, wavelengths, transition-probabilities, relative intensities, and energy levels are integrated, so that all the available information for a given transition is incorporated under a single listing. For classified lines, in addition to the observed wavelength, ASD includes the Ritz wavelength, which is the wavelength derived from the energy levels.

Homepage https://www.nist.gov/pml/atomic-spectra-database

Countries that developed this resource United States

Created in 1979

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Record added: July 19, 2018, 9:31 p.m.
Record updated: Jan. 14, 2020, 1:59 p.m. by The FAIRsharing Team.

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