Catch me if you can: is there a "runaway-mass" black hole in the Orion Nebula Cluster?

@article{ubr2012CatchMI,
  title={Catch me if you can: is there a "runaway-mass" black hole in the Orion Nebula Cluster?},
  author={L. {\vS}ubr and P. Kroupa and H. Baumgardt},
  journal={The Astrophysical Journal},
  year={2012},
  volume={757},
  pages={37}
}
We investigate the dynamical evolution of the Orion Nebula Cluster (ONC) by means of direct N-body integrations. A large fraction of residual gas was probably expelled when the ONC formed, so we assume that the ONC was much more compact when it formed compared with its current size, in agreement with the embedded cluster radius-mass relation from Marks & Kroupa. Hence, we assume that few-body relaxation played an important role during the initial phase of evolution of the ONC. In particular… Expand

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