Astronomy and Astrophysics – Astronomy
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008dda....39.0703t&link_type=abstract
American Astronomical Society, DDA meeting #39, #7.03
Astronomy and Astrophysics
Astronomy
Scientific paper
Globular clusters seem to be the best place to search for Intermediate Mass Black Holes (IMBHs), but so far no definitive observational evidence for their existence has been found. Here we show that the evolution of a star cluster is strongly influenced by the presence of a central black hole, as dynamical interactions within the core prevent the development of strong mass segregation. We will present the results from a large set of direct N-body simulations of star clusters that include an intermediate mass black hole (IMBH), single and binary stars. While previous investigations have focused on the impact of an IMBH on the cluster dynamics or brightness profile, we show here that there also is an important signature on the variation of the mass function between the center and the half light radius. This measure will be accessible in the near future thanks to a large HST treasury survey of more than 50 globular clusters and will allow us to identify the best candidates to harbor an IMBH.
Gill Mandeep
Hamilton Douglas P.
Miller Chris
Trenti Michele
van der Marel Roeland
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