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Title:
Wolf-Rayet stars
Authors:
Abbott, David C.; Conti, Peter S.
Affiliation:
AA(Joint Institute for Laboratory Astrophysics, Boulder, CO), AB(Joint Institute for Laboratory Astrophysics, Boulder, CO)
Publication:
IN: Annual review of astronomy and astrophysics. Volume 25 (A88-13240 03-90). Palo Alto, CA, Annual Reviews, Inc., 1987, p. 113-150. (Annual Reviews Homepage)
Publication Date:
00/1987
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
STELLAR EVOLUTION, STELLAR MODELS, STELLAR PHYSICS, STELLAR SPECTRA, WOLF-RAYET STARS, INFRARED ASTRONOMY, RADIO SPECTRA, STAR DISTRIBUTION, STELLAR COLOR, STELLAR MAGNITUDE, X RAY SPECTRA
DOI:
10.1146/annurev.aa.25.090187.000553
Bibliographic Code:
1987ARA&A..25..113A

Abstract

The authors consider the properties and evolutionary status of W-R stars both from the observable data and from the theoretical models used to describe the stellar structure, atmospheres and winds. Ideally, they should like to describe the characteristics of luminosity, effective temperature, chemical composition, radius, mass, and (for stars such as these) the mass-loss rates and other stellar wind parameters. In practice, however, not all of these are well known given the complex physical phenomena present in W-R stars. The authors thus proceed from the better-known quantities, such as the absolute visual magnitudes and line strengths, through those that can be reasonably inferred from the existing data with very simplified models, such as the composition and mass-loss rates, to more controversial issues, such as the luminosities and effective temperature scale.

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