Formation of an IMBH in a dense stellar cluster near the Galactic center

Details Formation of an IMBH in a dense stellar cluster near the Galactic center Formation of an IMBH in a dense stellar cluster near the Galactic center

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..222..179a&link_type=abstract

The Interplay among Black Holes, Stars and ISM in Galactic Nuclei, Proceedings of IAU Symposium, No. 222. Edited by T. Storchi-B

Physics

Scientific paper

We present results from dynamical Monte Carlo simulations of dense star clusters near the Galactic center (GC). While these clusters spiral in toward the GC by dynamical friction, they could undergo core collapse and form an intermediate mass black hole (IMBH) by runaway collisions. Clusters can reach within a parsec of the GC where, following tidal disruption, they would inject many young stars still bound to the IMBH into the GC region. This scenario (Gerhard 2001; Hansen & Milosavljevic 2003) provides a possible explanation for the youth paradox raised by recent IR observations (Ghez et al. 2003).

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