Stability of multiplanetary systems in star clusters [PDF]
, 2017 Most stars form in star clusters and stellar associations. However, only about ˜1 per cent of the presently known exoplanets are found in these environments.
Maxwell X. Cai +3 more
semanticscholar +1 more source
Rotation in young massive star clusters [PDF]
, 2017 Hydrodynamical simulations of turbulent molecular clouds show that star clusters form from the hierarchical merger of several sub-clumps. We run smoothed-particle hydrodynamics simulations of turbulence-supported molecular clouds with mass ranging from ...
M. Mapelli
semanticscholar +1 more source
Hierarchical Star Formation in Turbulent Media: Evidence from Young Star Clusters [PDF]
, 2017 We present an analysis of the positions and ages of young star clusters in eight local galaxies to investigate the connection between the age difference and separation of cluster pairs.
K. Grasha +20 more
semanticscholar +1 more source
Masses and scaling relations for nuclear star clusters, and their co-existence with central black holes [PDF]
, 2016 Galactic nuclei typically host either a Nuclear Star Cluster (NSC, prevalent in galaxies with masses $\lesssim 10^{10}M_\odot$) or a Massive Black Hole (MBH, common in galaxies with masses $\gtrsim 10^{12}M_\odot$).
I. Georgiev +4 more
semanticscholar +1 more source
On the rotation of nuclear star clusters formed by cluster inspirals [PDF]
, 2016 Nuclear Star Clusters (NSCs) are commonly observed in the centres of most galactic nuclei, including our own Milky Way. While their study can reveal important information about the build-up of the innermost regions of galaxies, the physical processes ...
A. Tsatsi +5 more
semanticscholar +1 more source
The bound fraction of young star clusters [PDF]
, 2016 Context. The residual gas within newly formed star clusters is expelled through stellar feedback on timescales ≲ 1 Myr. The subsequent expansion of the cluster results in an unbinding of a fraction of stars, before the remaining cluster members can re ...
Nina Brinkmann +3 more
semanticscholar +1 more source
New insights on the formation of nuclear star clusters [PDF]
, 2016 Nuclear Clusters (NCs) are common stellar systems in the centres of galaxies. Yet, the physical mechanisms involved in their formation are still debated.
N. Guillard, E. Emsellem, F. Renaud
semanticscholar +1 more source
STAR CLUSTER FORMATION IN COSMOLOGICAL SIMULATIONS. I. PROPERTIES OF YOUNG CLUSTERS [PDF]
, 2016 We present a new implementation of star formation in cosmological simulations by considering star clusters as a unit of star formation. Cluster particles grow in mass over several million years at the rate determined by local gas properties, with high ...
Hui Li +5 more
semanticscholar +1 more source
THE COEVOLUTION OF NUCLEAR STAR CLUSTERS, MASSIVE BLACK HOLES, AND THEIR HOST GALAXIES [PDF]
, 2015 Studying how nuclear star clusters (NSCs) form and how they are related to the growth of the central massive black holes (MBHs) and their host galaxies is fundamental for our understanding of the evolution of galaxies and the processes that have shaped ...
F. Antonini, E. Barausse, J. Silk
semanticscholar +1 more source
Seeding high-redshift QSOs by collisional runaway in primordial star clusters [PDF]
, 2015 We study how runaway stellar collisions in high-redshift, metal-poor star clusters form very massive stars (VMSs) that can directly collapse to intermediate-mass black holes (IMBHs).
H. Katz, D. Sijacki, M. Haehnelt
semanticscholar +1 more source