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Stellar chemical abundances with the GHRS.
Leckrone, D. S.; Wahlgren, G. M.; Johansson, S. +2 more
The accurate quantitative analysis of high resolution ultraviolet spectra of ultra-sharp-lined, early-type, chemically peculiar stars, obtained with the Goddard High Resolution Spectrograph on the Hubble Space Telescope, has been made possible by the synergism between state-of-the-art astrophysics and state-of-the-art atomic spectroscopy. The auth…
The preparation and use of atomic data for the SOHO mission.
Lang, J.
An overview of the SOHO mission is given, including brief descriptions of the major spectroscopic instruments CDS and SUMER. The range of ions whose spectra will be observed is discussed in the context of available fundamental atomic data, principally energy levels, transition probabilities and electron excitation rate coefficients. The use of ADA…