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Spectra of a Remarkable Class of Hot Stars in the Galactic Center

  • T. R. Geballe
  • R. Genzel
  • A. Krabbe
  • T. Krenz
  • D. Lutz
Chapter
Part of the Astrophysics and Space Science Library book series (ASSL, volume 190)

Abstract

Two-micron spectra of several helium line stars in the galactic center have been obtained at UKIRT with CGS4. Lines studied include He I 2.058μm, He I 2.113μm, Brγ2.166μm, and Paα1.875μm. He/H in four of the stars is shown to be very overabundant.

Key words

Galactic center Spectroscopy 

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References

  1. Allen, D.A., Hyland, A.R., Hillier,D.J.: 1990, ‘The source of luminosity at the Galactic Centre’, MNRAS244. 700.ADSGoogle Scholar
  2. Forrest, W.J., Shure, M.A., Pipher, J.L.and Woodward, C.E.: 1987, ‘Alpha Images of the Galactic Center’, in Conference Proceedings 155, The Galactic Center, D.C. Backer, ed., New York:AIP, pg. 153.Google Scholar
  3. Krabbe, A., Genzel, R., Drapatz, S. andRotaciuc, V.: 1991, ‘A Cluster of HeI Emission Line Stars in the GalacticCenter’, ApJ (Letters)382, L49.ADSCrossRefGoogle Scholar
  4. Najarro, F., Hillier, D.J., Kudritski,R.P., Krabbe, A., Genzel, R., Lutz, D. and Drapatz, S.: 1993, ‘Thenature of the brightest Galactic center He I emission line star’, A&A, in press.Google Scholar

Copyright information

© Springer Science+Business Media Dordrecht 1994

Authors and Affiliations

  • T. R. Geballe
    • 1
  • R. Genzel
    • 2
  • A. Krabbe
    • 2
  • T. Krenz
    • 2
  • D. Lutz
    • 2
  1. 1.Joint Astronomy CentreHiloUSA
  2. 2.Max-Planck-Institut für Extraterrestrische PhysikGarching bei MünchenGermany

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