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Stellar chemical abundances with the GHRS

På svenska

Author

  • DS Leckrone
  • Sveneric Johansson
  • Glenn Wahlgren
  • CR Proffitt
  • Tomas Brage

Summary, in English

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 astro-physics and state-of-the-art atomic spectroscopy. We illustrate this with several examples, including the discovery of spin-forbidden ''parasite'' transitions of Fe II, the first observations of hyperfine components and isotopic shifts of stellar lines of thallium, and measurements of the photospheric abundances of a large number of normally trace elements.

Publishing year

1996

Language

English

Pages

110-114

Publication/Series

Physica Scripta

Volume

T65

Document type

Journal article

Publisher

IOP Publishing

Topic

  • Astronomy, Astrophysics and Cosmology

Status

Published

ISBN/ISSN/Other

  • ISSN: 0031-8949