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On the dynamical capture of a MSP by an IMBH in a globular cluster


Devecchi, B; Colpi, M; Mapelli, M; Possenti, A (2008). On the dynamical capture of a MSP by an IMBH in a globular cluster. Proceedings of the International Astronomical Union, 246:359-360.

Abstract

Globular clusters (GCs) are rich of millisecond pulsars (MSPs) and might also host single or binary intermediate mass black holes (IMBHs). We simulate 3- and 4-body encounters in order to test the possibility that an IMBH captures a MSP. The newly formed system could be revealed from the timing signal of the MSP, providing an unambiguous measure of the BH mass. In current surveys, the number of expected [IMBH,MSP] binaries in the Milky Way is ~0.1. If next-generation radio telescopes (e.g. SKA) will detect ~10 times more MSPs in GCs, we expect to observe at least one [IMBH,MSP] binary.

Abstract

Globular clusters (GCs) are rich of millisecond pulsars (MSPs) and might also host single or binary intermediate mass black holes (IMBHs). We simulate 3- and 4-body encounters in order to test the possibility that an IMBH captures a MSP. The newly formed system could be revealed from the timing signal of the MSP, providing an unambiguous measure of the BH mass. In current surveys, the number of expected [IMBH,MSP] binaries in the Milky Way is ~0.1. If next-generation radio telescopes (e.g. SKA) will detect ~10 times more MSPs in GCs, we expect to observe at least one [IMBH,MSP] binary.

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Additional indexing

Item Type:Journal Article, not_refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Health Sciences > Medicine (miscellaneous)
Physical Sciences > Astronomy and Astrophysics
Health Sciences > Nutrition and Dietetics
Health Sciences > Public Health, Environmental and Occupational Health
Physical Sciences > Space and Planetary Science
Language:English
Date:May 2008
Deposited On:13 Mar 2009 15:35
Last Modified:29 Jul 2020 18:32
Publisher:Cambridge University Press
ISSN:1743-9213
Additional Information:Copyright: Cambridge University Press
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1017/S1743921308015937

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