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Related papers: Mass loss from massive globular clusters in tidal …

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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

Understanding the evolution of stellar clusters in an evolving tidal field is critical for studying the disruption of stellar clusters in a cosmological context. We systematically characterise the response of stellar clusters to tidal…

Astrophysics of Galaxies · Physics 2019-05-15 Jeremy J. Webb , Marta Reina-Campos , J. M. Diederik Kruijssen

We present N-body simulations of globular clusters, in orbits around the Galaxy, in order to study quantitatively and geometrically the tidal effects they encounter. The clusters are modelised with multi-mass King-Michie models (Michie…

Astrophysics · Physics 2010-03-01 F. Combes , S. Leon , G. Meylan

We report results of a large set of N-body calculations aimed to study the evolution of multi-mass star clusters in external tidal fields. Our clusters start with the same initial mass-functions, but varying particle numbers, orbital types…

Astrophysics · Physics 2009-11-07 Holger Baumgardt , Junichiro Makino

We present the results of a set of N-body simulations following the long-term evolution of the rotational properties of star cluster models evolving in the external tidal field of their host galaxy, after an initial phase of violent…

Astrophysics of Galaxies · Physics 2017-07-19 Maria A. Tiongco , Enrico Vesperini , Anna Lisa Varri

Using a cosmological N-body numerical simulation of the formation of a galaxy cluster- sized halo, we analyze the temporal evolution of its globular cluster population. We follow the dynamical evolution of 38 galactic dark matter halos…

Astrophysics of Galaxies · Physics 2015-05-22 Felipe Ramos , Valeria Coenda , Hernán Muriel , Mario Abadi

The main topic of this paper is the investigation of the modes of interaction of globular clusters (GCs) moving in the inner part of a galaxy. This is tackled by means of high-resolution N-body simulations, whose first results are presented…

Astrophysics · Physics 2010-11-11 P. Miocchi , R. Capuzzo Dolcetta , P. Di Matteo , A. Vicari

We present N-body simulations of realistic globular clusters containing initial mass function in the galaxy to study effects of tidal field systematically on the properties of outer parts of globular clusters. Using NBODY6 which takes into…

Astrophysics · Physics 2009-11-10 Kang Hwan Lee , Hyung Mok Lee , Hwankyung Sung

We investigate evolution of star clusters in external tidal field by means of $N$-body simulations. We followed seven sets of cluster models whose central concentration and strength of the tidal field are different. We found that the mass…

Astrophysics · Physics 2015-06-24 Ataru Tanikawa , Toshiyuki Fukushige

Direct N-body simulations of globular clusters in a realistic Milky Way-like potential are carried out using the code NBODY6 to determine the impact of the host galaxy disk mass and geometry on the survival of star clusters. A relationship…

Astrophysics of Galaxies · Physics 2015-06-18 Juan P. Madrid , Jarrod R. Hurley , Marie Martig

Many Local Group dwarf spheroidal galaxies are found in the Galactic halo along great circles in the sky. Some of these stellar systems are thought to be the fragments of larger parent galaxies which have once intruded into and were torn…

Astrophysics · Physics 2008-11-26 M. Fellhauer , D. N. C. Lin

[abridged] We present a unified picture for the evolution of star clusters on the two-body relaxation timescale. We use direct N-body simulations of star clusters in a galactic tidal field starting from different multi-mass King models, up…

Astrophysics of Galaxies · Physics 2014-11-20 Michele Trenti , Enrico Vesperini , Mario Pasquato

We study the rate of escape of stars (``evaporation'') from tidally-limited postcollapse globular clusters having a power-law distribution of stellar masses. We use a multi-mass Fokker-Planck code and assume a steady tidal field.…

Astrophysics · Physics 2007-05-23 Hyung Mok Lee , Jeremy Goodman

We have modeled in detail the evolution of rich open star clusters such as the Pleiades, Praesepe and Hyades, using simulations that include stellar dynamics as well as the effects of stellar evolution. The dynamics is modeled via direct…

Astrophysics · Physics 2009-11-07 Simon Portegies Zwart , Piet Hut , Steve McMillan , Jun Makino

We subject to an N-body numerical investigation our analysis of Paper I on the survival of stellar clusters undergoing rapid mass loss. We compare analytical tracks of bound mass-fraction {\it vs} star formation efficiency $\epsilon$ to…

Astrophysics · Physics 2009-11-07 C. M. Boily , P. Kroupa

We review what has been learned recently using N-body simulations about the evolution of globular clusters. While simulations of star clusters have become more realistic, and now include the evolution of single and binary stars, the…

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

Fragmentation and fission of giant molecular clouds occasionally results in a pair of gravitationally bound star clusters that orbit their mutual centre of mass for some time, under the influence of internal and external perturbations. We…

Astrophysics of Galaxies · Physics 2016-02-17 R. Priyatikanto , M. B. N. Kouwenhoven , M. I. Arifyanto , H. R. T. Wulandari , S. Siregar

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 investigate the long-term dynamical evolution of star clusters in a steady tidal field produced by its parent galaxy. In this paper, we focus on the influence of mass profile of the parent galaxy. The previous studies were done with the…

Astrophysics of Galaxies · Physics 2015-05-18 Ataru Tanikawa , Toshiyuki Fukushige

We estimate the stellar mass that satellite galaxies lose once they enter groups (and clusters) by identifying groups in a high-resolution cosmological N-body simulation, assigning entry masses to satellite galaxies with halo abundance…

Astrophysics of Galaxies · Physics 2017-08-30 Édouard Tollet , Andrea Cattaneo , Gary Mamon , Thibaud Moutard , Frank van den Bosch
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