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Verfasst von:Amaro-Seoane, Pau [VerfasserIn]   i
 Konstantinidis, Symeon [VerfasserIn]   i
 Freitag, Marc Dewi [VerfasserIn]   i
 Miller, M. Coleman [VerfasserIn]   i
 Rasio, Frederic A. [VerfasserIn]   i
Titel:Sowing the seeds of massive black holes in small galaxies
Titelzusatz:young clusters as the building blocks of ultracompact dwarf galaxies
Verf.angabe:Pau Amaro-Seoane, Symeon Konstantinidis, Marc Dewi Freitag, M. Coleman Miller, and Frederic A. Rasio
E-Jahr:2014
Jahr:2014 February 3
Umfang:14 S.
Fussnoten:Gesehen am 24.09.2020
Titel Quelle:Enthalten in: The astrophysical journal / 1
Ort Quelle:London : Institute of Physics Publ., 1996
Jahr Quelle:2014
Band/Heft Quelle:782(2014) Artikel-Nummer 97, 14 Seiten
ISSN Quelle:1538-4357
Abstract:Interacting galaxies often have complexes of hundreds of young stellar clusters of individual masses ∼104-106 M ☉ in regions that are a few hundred parsecs across. These cluster complexes interact dynamically, and their coalescence is a candidate for the origin of some ultracompact dwarf galaxies. Individual clusters with short relaxation times are candidates for the production of intermediate-mass black holes of a few hundred solar masses, via runaway stellar collisions prior to the first supernovae in a cluster. It is therefore possible that a cluster complex hosts multiple intermediate-mass black holes that may be ejected from their individual clusters due to mergers or binary processes, but bound to the complex as a whole. Here we explore the dynamical interaction between initially free-flying massive black holes and clusters in an evolving cluster complex. We find that, after hitting some clusters, it is plausible that the massive black hole will be captured in an ultracompact dwarf forming near the center of the complex. In the process, the hole typically triggers electromagnetic flares via stellar disruptions, and is also likely to be a prominent source of gravitational radiation for the advanced ground-based detectors LIGO and VIRGO. We also discuss other implications of this scenario, notably that the central black hole could be considerably larger than expected in other formation scenarios for ultracompact dwarfs.
DOI:doi:10.1088/0004-637X/782/2/97
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: https://doi.org/10.1088/0004-637X/782/2/97
 DOI: https://doi.org/10.1088/0004-637X/782/2/97
Datenträger:Online-Ressource
Sprache:eng
K10plus-PPN:1733666559
Verknüpfungen:→ Zeitschrift

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