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Progress report: Precise measurements of radial velocities of far-ultraviolet emission lines in stars of late spectral type

  • T. Ayres
  • O. Engvold
  • E. Jensen
  • J. Linsky
Session I: Dynamos and Stellar Activity: Observations
Part of the Lecture Notes in Physics book series (LNP, volume 254)

Abstract

Recent high-dispersion, far-ultraviolet IUE spectra of the G-type supergiant β Draconis contain evidence for organized, persistent downflows of gas, apparently confined to a high-density component of the stellar transition zone.

Keywords

Radial Velocity Stellar Photosphere Colorado Boulder Echelle Spectrum Heliocentric Radial Velocity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Ayres, T.R.,et al. 1983, Ap. J.,274, 801.CrossRefGoogle Scholar
  2. Brown, A., Jordan, C., Stencel, R.E., Linsky, J.L., and Ayres, T.R. 1984, Ap. J., 283, 731.CrossRefGoogle Scholar
  3. Brueckner, G.E. 1981, in “Solar Active Regions”, ed. F.Q. Orrall (Boulder:Colorado Associated University Press), p. 113.Google Scholar

Copyright information

© Springer-Verlag 1986

Authors and Affiliations

  • T. Ayres
    • 1
  • O. Engvold
    • 2
  • E. Jensen
    • 2
  • J. Linsky
    • 3
  1. 1.Center for Astrophysics and Space AstronomyUniversity of ColoradoBoulderUSA
  2. 2.Institute of Theoretical AstrophysicsUniversity of OsloOsloNorway
  3. 3.Joint Institute for Laboratory AstrophysicsUniversity of Colorado and National Bureau of StandardsBoulderUSA

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