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Full Description
The Bosscha Observatory in Lembang, Java, Indonesia, celebrated in 1983 its 60th anniversary. Since its foundation, the physical properties of binary systems have formed a major research topic of this observatory. Until 1970, the study of visual binaries and the determination of orbits received most emphasis. Since then, also the evolution of close binary systems, such as X-ray binaries, Wolf-Rayet binaries and binary pulsars, has been researched with priority in Lembang. It seemed thus appropriate that a Colloquium devoted to the study of binary systems be held in Lembang at the time of the Observatory's anniversary. In the Colloquium, the role of wide double (and multiple) systems received special emphasis - not only because of the long tradition of visual binary research at Lembang; but also because their role in documenting stellar evolution has been largely overlooked in recent decades, and needs to be brought into focus with the information forthcoming from close binaries. The Colloquium covered the physical properties of visual as well as close binary systems, and their generic relations, in the broadest possible sense. It was sponsored by the International Astronomical Union as IAU Colloquium No. 80 ('Double Stars, Physical Properties and Generic Relations'). After the official opening ceremony, the meeting started with a discussion on the future of astronomy in Asia. The scientific sessions began with the 'V. Bappu Memorial Lecture on the Evolution of Binary Systems', presented by Z. Kopal.
Contents
Evolution of Binary Systems and Their Generic Relations. Vainu Bappu Memorial Lecture.- The Importance of Wide-System Studies for Stellar Evolution and Galactic Dynamics.- Duplicity on the Main Sequence.- Binary Statistics and Star Formation.- Fission Sequence and Equilibrium Models of Rigidity Rotating Polytropes.- Fission Candidates Among Detached Close Binaries.- UV Observations of Three Classical Novae during Early Stages of Decline.- A Catalogue and Finding List of Galactic Novae.- The Old Nova BT Monocerotis.- Symbiotic Stars.- Cataclysmic Variable Stars.- Radial Velocity and Profile Variations of the Ultraviolet Circumstellar Lines in ? Tauri.- Spectroscopy and Optical/IR Photometry of the Cataclysmic Variable CPD-48o1577.- The Ha Line Profile in Early Type-Binary Systems HD 47129 and ? Velorum.- The Contact Binary AE Phoenicis — An Analysis from Deconvolved Spectra.- VV Orionis: A Weil-Behaved Early-Type Eclipsing Binary System.- The Light Variability of BD+25o2511.- Wolf-Rayet Binaries: Evolutionary Causes for their Distribution in the Galaxy.- Observations and Models of Some Neglected Southern Eclipsing Binaries.- Observations of Binaries and Evolutionary Implications.- Photometric and Spectroscopic Study of R CMa.- A Review of Early-Type Close Binary Systems.- Photometry of the RS CVn Type Eclipsing Binary UV Piscium.- A Spectroscopic Study of Epsilon Aurigae.- Spectroscopic Segregation in Binary Systems.- Variable, Optically Thick, Hot Plasma Observed in Interacting Binaries.- Magnetic Braking in Cataclysmic and Low-Mass X-Ray Binaries.- Steady Mass Loss Associated with Nova Outbursts.- The q-Log P Distribution of Classical Algols.- Semi-Detached Binaries: The Origin and Present Status of TU Mon, SX Cas, and DM Per.- Nutational Effects in SS 433.-Periods Ranging from 5 to 1500 Days in the Anticorrelated Moving Lines of SS 433.- Late Stages of the Evolution of Close Binaries.- Mass Loss in Semi-Detached Binaries.- Constraints for Cataclysmic Binary Evolution as Derived from Space Distributions.- A Comparison between Binary Star Light Curves and Those of Possible Binary Asteroids.- Astronomy in Japan.- Giant Equatorial Radio Telescope.- A Plan for a New Generation 2 m-Class Telescope in Indonesia.- Analysis of 11 Late-Type Close Binary Systems.- Announcement.
