Abstract
view Abstract Citations (80) References (38) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Encounters with Protostellar Disks. II. Disruption and Binary Formation Heller, Clayton H. Abstract The disruption of a circumstellar disk during a stellar encounter and the accompanying dissipation of orbital energy are numerically simulated. It is found that an average impacting encounter produces a mass loss of less than about half of the initial disk mass. Even in dense stellar environments encounters are unlikely to play a prominent role in dispersing disks, though densities in the outer parts can be significantly reduced. A large fraction of the disk material may be captured by the perturber or ejected from the system. No material is found to form a circumbinary disk. Though the planar retrograde encounters are found to be particularly efficient at dissipating orbital energy, estimated rates indicate that capture is not a dominant process for the formation of binaries in stellar clusters. However, the rates may be greatly underestimated if substructure exists or interactions occur during the star-formation process. Publication: The Astrophysical Journal Pub Date: December 1995 DOI: 10.1086/176573 Bibcode: 1995ApJ...455..252H Keywords: STARS: BINARIES: GENERAL; CELESTIAL MECHANICS; STELLAR DYNAMICS; STARS: CIRCUMSTELLAR MATTER; STARS: FORMATION full text sources ADS | data products SIMBAD (3) Related Materials (1) Part 1: 1993ApJ...408..337H
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