Astronomy and Astrophysics – Astrophysics
Scientific paper
2004-03-05
Astronomy and Astrophysics
Astrophysics
8 pages, 3 figures, to appear in the proceedings of the "The Formation and Evolution of Massive Young Clusters" conference, Ca
Scientific paper
We have followed the evolution of multi-mass star clusters containing massive central black holes by N-body simulations on the GRAPE6 computers of Tokyo University. We find a strong cluster expansion and significant structural changes of the clusters. Star clusters with IMBHs have power-law density profiles $rho ~ r^{-alpha}$ with slopes $alpha=1.55$ inside the influence sphere of the central black hole. This leads to a constant density profile of bright stars in projection, which rules out the presence of intermediate mass black holes in core collapse clusters. If the star clusters are surrounded by a tidal field, a central IMBH speeds up the destruction of the cluster until a remnant of a few hundred stars remains, which stays bound to the IMBH for a long time. We also discuss the efficiency of different detection mechanisms for finding IMBHs in star clusters.
Baumgardt Holger
Ebisuzaki Toshikazu
Makino Jun
McMillan Steve
Portegies Zwart Simon
No associations
LandOfFree
Dynamics of Intermediate Mass Black Holes in Star Clusters does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Dynamics of Intermediate Mass Black Holes in Star Clusters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dynamics of Intermediate Mass Black Holes in Star Clusters will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-650082