English
Related papers

Related papers: Lifetimes of tidally limited star clusters with di…

200 papers

The split main sequences found in the colour-magnitude diagrams of star clusters younger than ~600 Myr are suggested to be caused by the dichotomy of stellar rotation rates of upper main-sequence stars. Tidal interactions have been…

Solar and Stellar Astrophysics · Physics 2023-09-06 Chenyu He , Chengyuan Li , Weijia Sun , Richard de Grijs , Lu Li , Jing Zhong , Songmei Qin , Li Chen , Li Wang , Baitian Tang , Zhengyi Shao , Cheng Xu

The tidal tails of stellar clusters provide an important tool for studying the birth conditions of the clusters and their evolution, coupling, and interaction with the Galactic potential. We present the N-body evolution of a Hyades-like…

Astrophysics of Galaxies · Physics 2021-03-24 Tereza Jerabkova , Henri M. J. Boffin , Giacomo Beccari , Guido de Marchi , Jos H. J. de Bruijne , Timo Prusti

We analyze high resolution, N-body hydrodynamical simulations of fiducial galaxy clusters to probe tidal stripping of the dark matter subhalos. These simulations include a prescription for star formation allowing us to track the fate of the…

We investigate the dynamical evolution of a star cluster in an external tidal field by using N-body simulations, with focus on the effects of the presence or absence of neutron star natal velocity kicks.We show that, even if neutron stars…

Astrophysics of Galaxies · Physics 2015-06-23 Filippo Contenta , Anna Lisa Varri , Douglas C. Heggie

We study the evolution of star clusters in the Galactic tidal field starting from their birth in molecular clumps. Our model clusters form according to the local-density-driven cluster formation model in which the stellar density profile is…

Astrophysics of Galaxies · Physics 2020-03-18 Bekdaulet Shukirgaliyev , Genevieve Parmentier , Peter Berczik , Andreas Just

Among the growing list of confirmed exoplanets, the number of planets identified in dense star clusters remains sparse. Previous analyses have suggested this may be due in part to dynamical interactions that unbind large fractions of…

High Energy Astrophysical Phenomena · Physics 2019-11-06 Kyle Kremer , Daniel J. D'Orazio , Johan Samsing , Sourav Chatterjee , Frederic A. Rasio

We investigate the dynamical evolution of compact young star clusters (CYCs) near the Galactic center (GC) using Aarseth's Nbody6 codes. The relatively small number of stars in the cluster (5,000-20,000) makes real-number N-body simulations…

Astrophysics · Physics 2009-10-31 Sungsoo S. Kim , Donald F. Figer , Hyung Mok Lee , Mark Morris

Potentially habitable planets can orbit close enough to their host star that the differential gravity across their diameters can fix the rotation rate at a specific frequency, a process called tidal locking. Tidally locked planets on…

Earth and Planetary Astrophysics · Physics 2017-10-18 Rory Barnes

The presence of an external tidal field often induces significant dynamical evolutionary effects on the internal kinematics of star clusters. Previous studies investigating the restricted three-body problem with applications to star cluster…

Astrophysics of Galaxies · Physics 2016-06-29 Maria Tiongco , Enrico Vesperini , Anna Lisa Varri

We present a simple analytical description of the disruption of star clusters in a tidal field, which agrees excellently with detailed N-body simulations. The analytic expression can be used to predict the mass and age histograms of…

We explore the long-term evolution of the anisotropy in the velocity space of star clusters starting with different structural and kinematical properties. We show that the evolution of the radial anisotropy strength and its radial variation…

Astrophysics of Galaxies · Physics 2015-12-09 Maria Tiongco , Enrico Vesperini , Anna Lisa Varri

We investigate the evolution of the tidal field experienced by massive star clusters using cosmological simulations of Milky Way-sized galaxies. Clusters in our simulations experience the strongest tidal force in the first few hundred Myr…

Astrophysics of Galaxies · Physics 2022-08-16 Xi Meng , Oleg Y. Gnedin

We consider both observational and theoretical issues related to dynamical mass loss from the old globular star clusters of the Galaxy. On the observational side the evidence includes tidal tails and extratidal extensions, kinematic…

Astrophysics · Physics 2007-05-23 Douglas C. Heggie

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…

Astrophysics of Galaxies · Physics 2017-03-29 N. Brinkmann , S. Banerjee , B. Motwani , P. Kroupa

Stellar tidal streams are sensitive tracers of the properties of the gravitational potential in which they orbit and detailed observations of their density structure can be used to place stringent constraints on fluctuations in the…

Astrophysics of Galaxies · Physics 2021-04-07 Nilanjan Banik , Jo Bovy

Satellite galaxies endure powerful environmental tidal forces that drive mass stripping of their outer regions. Consequently, satellites located in central regions of galaxy clusters or groups, where the tidal field is strongest, are…

Context. The dynamical evolution of open clusters in the tidal field of the Milky Way and the feeding of the disc field star population depend strongly on the initial conditions at the time of gas removal. Detailed dynamical models tailored…

Astrophysics of Galaxies · Physics 2025-11-03 L. Weis , C. West , A. Just , P. Berczik , M. Ishchenko , S. Röser , E. Schilbach , B. Shukirgaliyev

The gravitational instability model of planet/brown dwarf formation proposes that protostellar discs can fragment into objects with masses above a few Jupiter masses at large semimajor axis. Tidal downsizing may reduce both the object mass…

Earth and Planetary Astrophysics · Physics 2015-06-23 Duncan Forgan , Richard Parker , Ken Rice

We present N-body simulations of dissolving star clusters close to galactic centres. For this purpose, we developed a new N-body program called nbody6gc based on Aarseth's series of N-body codes. We describe the algorithm in detail. We…

Astrophysics of Galaxies · Physics 2015-05-13 Andreas Ernst , Andreas Just , Rainer Spurzem

We present detailed numerical simulations of the evolution of Tidal Dwarf Galaxies (TDGs) after they kinematically decouple from the rest of the tidal arm to investigate their survivability. Both the short-term (500 Myr) response of TDGs to…

Astrophysics of Galaxies · Physics 2015-06-23 Sylvia Ploeckinger , Simone Recchi , Gerhard Hensler , Pavel Kroupa