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Symposium No. 73 of the International Astronomical Union was devoted to the obser vational and theoretical aspects of close binary stars. Just over 100 participants attended. The Local Organizing Committee would like to thank the following: IAU for travel grants. IBM United Kingdom Ltd for very generous support in the form of travel grants. The Royal Society for the provision of travel grants to participants from Eastern Europe. We also thank the Director of the Institute of Astronomy, and our colleagues and research students for their moral support and assistance. Finally we thank Pauline Haughey for assisting with the editorial work. PETER EGGLETON SIMON MITTON JOHN WHELAN SCIENTIFIC ORGANIZING COMMITTEE M. Plavec (Chairman), T. Herczeg, E. P. J. van den Heuvel, J. B. Hutchings, G. Larsson-Leander, L. B. Lucy, L. Mestel, B. Paczynski, J. Sahade, B. Warner, R. E. Wilson. LOCAL ORGANIZING COMMITTEE J. A. J. Whelan (Chairman), P. P. Eggleton, S. A. Mitton LIST OF PARTICIPANTS Baldwin, B. W., Victoria, Canada Icke, V., Cambridge, England Bateson, F. M., Tauranga, New Zealand Koumsiachvilli, M., Moscow, U.S.S.R Bath, G. T., Oxford, England Krzeminski, W. A., Warsaw, Poland Batten, A. H., Victoria, Canada Larsson-Leander, G., Lund, Sweden Berthier, E. J., Paris, France Leung, K.-C., Nebraska, U.S.A.
List of contents
Introductory Address.- Massive Binaries - Early Evolutionary Stages.- Binary X-Ray Stars and Supernovae of Type I.- Two Types of Evolution of Massive Close Binary Systems.- Late Stages of Close Binary Systems.- The Post-Supernova Stage of Massive Close Binaries: The Possibility of a Tidal Instability.- The Observational Situation in Regard to Black Holes.- Common Envelope Binaries.- Effect of Instantaneous Mass Ejection on Orbital Elements of Circular Binaries.- Tidal Interactions in Compact Binary Systems.- Observations of Dwarf Novae.- The Eclipsing Binary White Dwarf BD + 16°516.- Spectroscopic Observations of Southern Dwarf Novae.- Spectroscopic Observations of U Gem.- The Cause of the Nova Outburst.- Theory of Dwarf Novae.- Gravitational Radiation and the Evolution of Low Mass Binaries.- Masses and Evolution of Cataclysmic Binaries.- Angular Momentum Loss and the Origin of Cataclysmic Binaries.- Ultraviolet Observations of some Close Binary Systems by the Astronomical Netherlands Satellite - ANS.- Accretion Processes in Close Binaries.- Numerical Simulation of Mass Transfer and Accretion Disc Flow in Binary Systems.- Mass Transfer in Semi-Detached Binaries.- A Hydrodynamical Calculation of Gas Flow in a Cataclysmic Vàriable Star.- Coronae above Accretion Discs.- Mass Flow in Close Binary Systems.- Mass Transfer Rates in Algol Binaries Deduced from Their Period Changes.- The Algols, Red Spectra, Be Stars, and Even Neutrinos.- Notes on the Interpretation of Observations of Circumstellar Matter in Binary Systems.- Observations of Gaseous Disks in Close Binaries.- Starspot Activities as an Interpretation for the Light Curve Changes of the Close Binary Star XY UMa.- Identification of3 He in the Binary System 68u Her.- The Mass-Exchange Binary Sco X-l.-Evolutionary Status of Massive Algols - a Revision of Classical Theory.- Contact Binaries.- Unsteady Mass Loss in Close Binaries.- A Cyclic Thermal Instability in Contact Binary Stars.- Energy Transfer in Contact Binaries.- Progress in Contact-Binary Energy Transfer.- Evolution of Contact Systems.- The Evolution of Contact Binaries.- UBV Photometry of the Shortest Period Contact Binary CC Com.- Four-Colour Survey of W-UMa-Type Systems.- Rotational Angular Momenta of Close Binary System Components.- An Aspect of Star Fission.- Statistics of Binary Stars: Semi-Major Axes.- The Origin of the RS CVn Binaries.- Concluding Remarks.- Author Index.- Star Index.
