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Research on close binary systems has continued at a high level during the past triennium, although the rate of growth is noticeably slower – probably reflecting the cutbacks in funds to which many of us are subject. There have also been changes of emphasis within the field, which are commented on in the pages that follow.
A. H. Batten +12 more
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CLOSE BINARY SYSTEMS ON LATE EVOLUTIONARY STAGES
Observational and theoretical progress in investigations of close binary stars allow to understand the nature and evolution of many types of close binary systems containing peculiar components: Wolf-Rayet stars, white dwarfs neutron stars and black holes.
A. M. Cherepashchuk
doaj +1 more source
Terrestrial Planet Formation Surrounding Close Binary Stars [PDF]
Disk material has been observed around both components of some young close binary star systems. It has been shown that if planets form at the right places within such disks, they can remain dynamically stable for very long times.
Lissauer, Jack J., Quintana, Elisa V.
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Hypervelocity stars from young stellar clusters in the Galactic Centre [PDF]
The enormous velocities of the so called hypervelocity stars (HVSs) derive, likely, from close interactions with massive black holes, binary stars encounters or supernova explosions.
Capuzzo-Dolcetta, Roberto +2 more
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We present a timing study of the short-period eclipsing cataclysmic variable (CV) HT Cas. Based on new eclipse times derived from our photometric monitoring and archival optical data, combined with historical timings, spanning ∼42 yr, we detect a secular
Z.-T Han +10 more
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The Formation of Close Binary Stars [PDF]
I review the possible formation mechanisms of close binary stars. The formation of close binary systems is problematic in that there is no theory that does not encounter significant difficulties or unknowns. Fission does not appear to occur in stars.
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A transiting companion to the eclipsing binary KIC002856960 [PDF]
We present an early result from an automated search of Kepler eclipsing binary systems for circumbinary companions. An intriguing tertiary signal has been discovered in the short period eclipsing binary KIC002856960. This third body leads to transit-like
Batalha +26 more
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Close encounters in young stellar clusters: implications for planetary systems in the solar neighbourhood [PDF]
The stars that populate the solar neighbourhood were formed in stellar clusters. Through N-body simulations of these clusters, we measure the rate of close encounters between stars. By monitoring the interaction histories of each star, we investigate the
Aarseth +45 more
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Effects of XUV radiation on circumbinary planets [PDF]
Several circumbinary planets have recently been discovered. The orbit of a planet around a binary stellar system poses several dynamic constraints. The effects that radiation from the host stars may have on the planet atmospheres must be considered ...
Desidera, S. +2 more
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The Role of Multiplicity in Disk Evolution and Planet Formation [PDF]
The past decade has seen a revolution in our understanding of protoplanetary disk evolution and planet formation in single star systems. However, the majority of solar-type stars form in binary systems, so the impact of binary companions on ...
Hillenbrand, Lynne A. +3 more
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