Buchumschlag

Problems in stellar atmospheres and envelopes

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Bibliographische Detailangaben
Weitere Verfasser: Baschek, Bodo (HerausgeberIn) , Kegel, Wilhelm H. (HerausgeberIn) , Traving, Gerhard (HerausgeberIn)
Dokumenttyp: Book/Monograph
Sprache:Englisch
Veröffentlicht: Berlin, Heidelberg Springer Berlin Heidelberg 1975
Volumes / Articles: Show Volumes / Articles.
DOI:10.1007/978-3-642-80919-4
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1007/978-3-642-80919-4
Cover: https://swbplus.bsz-bw.de/bsz004814185cov.jpg
Volltext
Verfasserangaben:edited by B. Baschek, W.H. Kegel, G.Traving
Inhaltsangabe:
  • The Energy Flux of the Sun A Critical Discussion of Standard Values for the Solar Irradiance1. Introduction
  • 2. High Altitude Experiments
  • 3. Discussion of the Results
  • 4. Results of Measurements in the Far Ultraviolet
  • References
  • Model Stellar Atmospheres and Heavy Element Abundances
  • 1. Introduction
  • 2. The Temperature Stratification
  • 3. The Gas and Electron Pressures
  • 4. The Energy Distribution in the Continuum
  • 5. The Line Absorption
  • 6. The UBV Colors
  • 7. The Temperature Calibrations
  • 8. The Bolometric Correction
  • 9. Convection and Metal Abundances
  • References
  • Properties and Problems of Helium Stars
  • 1. Introduction
  • 2. General Properties
  • 3. Spectrum
  • 4. Atmospheric Structure
  • 5. Individual Obj ects
  • 6. Abundances
  • 7. Evolution of Model Helium Stars and the (g, Teff) -Diagram
  • 8. Empirical (g, Teff) -Diagram
  • 9. Variability and Atmospheric Motions
  • 10. Conclusion
  • References
  • Abundance Anomalies in Early-Type Stars
  • 1. Introduction
  • 2. Problems Related to the Determination of Abundance Anomalies
  • 3. The Population I Peculiar B Stars
  • 4. The CNO Stars
  • 5. The Population II B Stars
  • 6. On the Origin of the Ap Phenomenon
  • References
  • A-Type Horizontal-Branch Stars
  • 1. Introduction
  • 2. Characteristics of A-Type Atmospheres
  • 3. Observational Quantities
  • 4. Field Horizontal-Branch Stars
  • 5. Horizontal-Branch Stars in Globular Clusters
  • 6. Chemical Composition and Mass-Luminosity Relation
  • References
  • White Dwarfs: Composition, Mass Budget and Galactic Evolution
  • 1. Introduction
  • 2. The Atmospheres of White Dwarfs
  • 3. Composition of Interiors and Envelopes. White-Dwarf Formation
  • 4. Interpretation of Atmospheric Composition Differences DA vs. Non-DA Stars
  • 5. White Dwarfs: Mass Budget and Galactic Evolution
  • References
  • Herbig-Haro Objects and T Tauri Nebulae
  • 1. Introduction
  • 2. Observation of Herbig-Haro Obj ects
  • 3. Theory and Theoretical Deductions from the Observations
  • 4. The T Tauri Emission Nebula
  • References
  • Circumstellar Envelopes and Mass Loss of Red Giant Stars
  • 1. Introduction
  • 2. Circumstellar Absorption Lines
  • 3. Dust and Molecules in the Circumstellar Envelopes of Red Giants
  • 4. The Dependence of Mass Loss on Basic Stellar Parameters
  • 5. Consequences for Stellar Evolution
  • References
  • Cosmic Masers
  • 1. Introduction
  • 2. Observational Characteristics
  • 3. Radiative Transfer
  • 4. Polarization
  • 5. Pumping Mechanisms
  • 6. Models
  • 7. Discussion and Conclusion
  • References
  • Radio Emission from Stellar and Circumstellar Atmospheres
  • 1. Introduction
  • 2. Stellar Chromospheres and Coronas
  • 3. Solar-Type Activity on Stars
  • 4. Flare Stars: UV Cet et al
  • 5. Radio Emission from Close Binaries
  • 6. Radio Emission from Objects with Circumstellar Envelopes
  • 7. X-Ray Stars as Radio Emitters
  • 8. The Remaining Stellar Observations
  • References
  • Line Formation in Turbulent Media
  • 1. Introduction
  • 2. General Structure of the Problem
  • 3. Line Formation in Discontinuous Velocity Fields
  • 4. Line Formation in Media with Continuous Velocity Fields
  • 5. Solution of the Generalized Transfer Equation
  • 6. An Approach to NLTE Line Formation in Turbulent Media
  • 7. Concluding Remarks
  • References
  • Index of Astronomical Objects.

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