Astrophysics and Space Science

, Volume 197, Issue 1, pp 35–41 | Cite as

X-ray VS Heii λ1640 Å correlation of II Peg

  • A. Esendemir
  • H. M. Alev


The Heii λ1640 Å emission feature on the IUE spectra of II Peg has been compared with the observed X-ray flux. The atmospheric activity level is determined by comparing the several diagnostic line intensities with the solar case.


Line Intensity Emission Feature Atmospheric Activity Solar Case Diagnostic Line 
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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Copyright information

© Kluwer Academic Publishers 1992

Authors and Affiliations

  • A. Esendemir
    • 1
  • H. M. Alev
    • 1
  1. 1.Physics DepartmentMiddle East Technical UniversityAnkaraTurkey

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