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Welcome to the NIST Atomic Spectra Database, NIST Standard Reference Database #78. The spectroscopic data may be selected and displayed according to wavelengths or energy levels by choosing one of the following options:
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Spectral lines and associated energy levels displayed in wavelength order with all selected spectra intermixed or in multiplet order. Transition probabilities for the lines are also displayed where available. |
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Energy levels of a particular atom or ion displayed in order of energy above the ground state. |
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Ground states and ionization energies of atoms and atomic ions.
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Additional information about the database may be obtained through the following links:
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-to-date. The Atomic Spectroscopy Data Center has carried out these critical compilations. The Data Center is located in the Physical Measurement Laboratory at the National Institute of Standards and Technology (NIST).
©1979, 1980, 1981, 1982, 1983, 1985, 1988, 1990, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2005, 2006, 2007, 2008 - copyright by the U.S. Department of Commerce on behalf of the United States. All rights reserved.
NIST reserves the right to charge for these data in the future.
NIST Standard Reference Database 78
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Online: March 1995 - Last update: September 2012
This database was funded [in part] by the Office of Fusion Energy Sciences of the U.S. Department of Energy, by the National Aeronautics and Space Administration, by NIST's Standard Reference Data Program (SRDP), and by NIST's Systems Integration for Manufacturing Applications (SIMA) Program.
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NIST ASD Team
- Principal Developers (Currently Active):
- Alexander Kramida, Yuri Ralchenko, and Joseph Reader
Data Compilers (Currently Active):
- Alexander Kramida, Edward B. Saloman, Jean E. Sansonetti, John J. Curry, Jeffrey R. Fuhr, Larissa I. Podobedova, and Wolfgang L. Wiese
Database Developers (Currently Active):
- Alexander Kramida, Yuri Ralchenko, and Karen Olsen
Students contributing to data entry:
- Eric Carpentier, Thomas Carpentier, Amy Zimmerman, Adrian Hamins-Puertolas, Marko Hamins-Puertolas, Anna Sharova
Past Contributors:
- Gerry R. Dalton, Robert Dragoset, Fun-Chen (Jesse) Jou, William C. Martin, Peter J. Mohr, Arlene Musgrove, Craig J. Sansonetti, and Gloria Wiersma
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