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Evolution of Stars : The Photospheric Abundance Connection : International Astronomical Union Symposia - G. Michaud

Evolution of Stars : The Photospheric Abundance Connection

International Astronomical Union Symposia

By: G. Michaud (Editor), A. Tutukov (Editor)

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Proceedings of the 145th Symposium of the International Astronomical Union held in Zlatni Pjasaci (Golden Sands), Bulgaria, August 27-31, 1990

Setting The Stage.- Elements in the Cosmos: Origin of the Light Elements.- Chemical Evolution of Galaxies: Abundance Trends and Implications.- Supernova Abundance Generation.- Limitations of Stellar Abundance Determinations.- Model Atmospheres and Chemistry.- The Lower Main Sequence.- Solar Abundances: the Reference System.- Mixing due to Angular Momentum Transfer in Evolving Sun-like Stars.- Lithium and Beryllium in Main Sequence Stars.- The Fm-Am stars: Observed Anomalies.- Diffusion, Meridional Circulation and Mass Loss in Main Sequence and Horizontal Branch Stars.- The Upper Main Sequence.- The CNO-cycle Elements in Atmospheres of B-type Main Sequence Stars.- Non Magnetic Anomalous Stars: The HgMn Stars -A Review of Elemental Abundances.- Magnetic Ap Stars: Evolutionary Status and Abundance Anomalies.- Spectroscopy and Geography of Magnetic Ap Stars: Implications for Structure.- Intermediate He Rich Stars.- Are There Normal Upper Main Sequence Stars: ? Bootis.- The Giants.- Abundances in Wolf-Rayet Stars, LBVs and OBN Stars.- The Chemical Composition of the Wolf-Rayet Envelopes.- Chemical Abundances and Models of WR Stars and Blue Supergiants.- CNO Abundances of Stars Undergoing First Dredge Up Mixing.- [Fe/H] Ratios in Population II Stars.- The Agb.- Asymptotic Giant Branch Stars: Thermal Pulses, Carbon Production, and Dredge Up; Neutron Sources and s-process Nucleosynthesis.- On Low Mass AGB Stars.- A Brief Review of the s-process of Nucleosynthesis.- The Chemical Composition of Asymptotic Giant Branch Stars - The s-process.- Technetium in Stellar Atmospheres.- Turbulence and the Lithium Abundance in Giants and Main-Sequence Disk and Halo Stars.- Chemical Composition of Post-AGB Stars.- Horizontal Branch Stars and Binaries.- Binarity and Abundance Anomalies in Stars.- Atmospheres and Abundances of Blue Horizontal Branch Stars and Related Objects.- The Planetary Nebulae.- Photospheric Abundances in Central Stars of Planeteray Nebulae, and Evolutionary Implications.- Stellar Mixing from Galactic and Magellanic Cloud Planetary Nebulae Abundances.- White Dwarfs.- Pre-White Dwarf Evolution through Planetary Nebulae.- Abundance Patterns in White Dwarfs.- Successes and Challenges of the Theory of White Dwarf Spectral Evolution.- Stratification in White Dwarf Atmospheres.- Concluding Remarks.- Concluding Remarks (I).- The Abundance Connection - The View from the Trenches.- Some Closing Thoughts.- List of Participants.

ISBN: 9780792311287
ISBN-10: 0792311280
Series: International Astronomical Union Symposia
Audience: General
Format: Paperback
Language: English
Number Of Pages: 487
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.37 x 15.49  x 2.54
Weight (kg): 0.69