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Sowing the seeds of massive black holes in small galaxies: Young clusters as the building blocks of Ultra-Compact-Dwarf Galaxies
Pau Amaro-Seoane, Symeon Konstantinidis, Marc Dewi Freitag +2
Interacting galaxies often have complexes of hundreds of young stellar clusters of individual masses in regions that are a few hundred parsecs across. These…
Retention of Stellar-Mass Black Holes in Globular Clusters
Meagan Morscher, Stefan Umbreit, Will M. Farr +1
Globular clusters should be born with significant numbers of stellar-mass black holes (BHs). It has been thought for two decades that very few of these BHs could be retained throug…
Constraining Intermediate-Mass Black Holes in Globular Clusters
Stefan Umbreit, Frederic A. Rasio
Decades after the first predictions of intermediate-mass black holes (IMBHs) in globular clusters (GCs) there is still no unambiguous observational evidence for their existence. Th…
Planets in Open Clusters Detectable by Kepler
Sourav Chatterjee, Eric B. Ford, Aaron M. Geller +1
While hundreds of planets have been discovered around field stars, only a few are known in star clusters. To explain the lack of short-period giant planets in globular clusters (GC…
Understanding the Dynamical State of Globular Clusters: Core-Collapsed vs Non Core-Collapsed
Sourav Chatterjee, Stefan Umbreit, John M. Fregeau +1
We study the dynamical evolution of globular clusters using our Hénon-type Monte Carlo code for stellar dynamics including all relevant physics such as two-body relaxation, single…
On the Formation of Hot Jupiters in Stellar Binaries
Smadar Naoz, Will M. Farr, Frederic A. Rasio
We study the production of Hot Jupiters (HJs) in stellar binaries. We show that the "eccentric Kozai-Lidov" (EKL) mechanism can play a key role in the dynamical evolution of a star…