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          Institute: MPI für Gravitationsphysik     Collection: Astrophysical Relativity     Display Documents

ID: 475375.0, MPI für Gravitationsphysik / Astrophysical Relativity
Formation and Evolution of Black Holes in Galactic Nuclei and Star Clusters
Authors:Spurzem, R.; Berczik, P.; Berentzen, I.; Merritt, D.; Preto, M.; Amaro-Seoane, P.
Publisher:Cambridge University Press
Date of Publication (YYYY-MM-DD):2007
Title of Proceedings:Dynamical Evolution of Dense Stellar Systems
Start Page:346
End Page:350
Title of Series:Proceedings of the International Astronomical Union
Volume (in Series):3
Review Status:not specified
Audience:Not Specified
Abstract / Description:We study the formation, growth, and co-evolution of single and multiple supermassive black holes (SMBHs) and compact objects like neutron stars, white dwarfs, and stellar mass black holes in galactic nuclei and star clusters, focusing on the role of stellar dynamics. In this paper we focus on one exemplary topic out of a wider range of work done, the study of orbital parameters of binary black holes in galactic nuclei (binding energy, eccentricity, relativistic coalescence) as a function of initial parameters. In some cases the classical evolution of black hole binaries in dense stellar systems drives them to surprisingly high eccentricities, which is very exciting for the emission of gravitational waves and relativistic orbit shrinkage. Such results are interesting to the emerging field of gravitational wave astronomy, in relation to a number of ground and space based instruments designed to measure gravitational waves from astrophysical sources (VIRGO, Geo600, LIGO, LISA). Our models self-consistently cover the entire range from Newtonian dynamics to the relativistic coalescence of SMBH binaries.
External Publication Status:published
Document Type:Conference-Paper
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Astrophysical Relativity
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