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Atomic data for IR and sub-mm wavelengths

Published online by Cambridge University Press:  21 October 2010

Gillian Nave
Gillian Nave*
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD, USA email: gnave@nist.gov
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Atomic spectra in the infrared and sub-mm wavelength regions can be divided into two broad categories: electric dipole-allowed transitions, and forbidden lines due to transitions within the ground term or between low-lying levels of the same parity. Both are of potential importance in the interpretation of astrophysical spectra. Allowed transitions can provide diagnostic information for stellar photospheres, particularly for elements that are not accessible in the visible region. Electric-dipole forbidden lines are important diagnostics of low-density plasmas, such as nebulae and the interstellar medium. In order to interpret astrophysical spectra, accurate atomic data are required. This paper summarizes the techniques for measuring atomic data and lists the most important compilations and databases.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Highlights H15: Highlights of Astronomy , November 2009 , pp. 539 - 540
Copyright
Copyright © International Astronomical Union 2010

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