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Related papers: Monte Carlo Simulations of Globular Cluster Evolut…

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We present the results of a survey of N-body simulations aimed at studying the effects of the long-term dynamical evolution on the stellar mass function (MF) of multiple stellar populations in globular clusters. Our simulations show that if…

Astrophysics of Galaxies · Physics 2018-03-14 Enrico Vesperini , Jongsuk Hong , Jeremy J. Webb , Franca D'Antona , Annibale D'Ercole

A comprehensive study of the co-evolution of globular cluster systems (GCS) in galaxies requires the ability to model both the large scale dynamics (0.01 - 10 kpc) regulating their orbital evolution, and the small scale dynamics (sub-pc -…

Astrophysics of Galaxies · Physics 2022-06-29 A. Leveque , M. Giersz , M. Arca-Sedda , A. Askar

This review concentrates almost entirely on globular star clusters. It emphasises the increasing realisation that few of the traditional problems of star cluster astronomy can be studied in isolation: the influence of the Galaxy affects…

Astrophysics · Physics 2016-01-27 Douglas C. Heggie

The measured characteristics of binary pulsars provide valuable insights into the evolution of these systems. We study the aspects of binary evolution particularly relevant to binary Millisecond Pulsars (MSPs), and the formation of close…

High Energy Astrophysical Phenomena · Physics 2019-01-17 Ali Taani , Mashhoor A. Al-Wardat , Awni Khasawneh

We use N-body simulations of star clusters to investigate the possible dynamical origins of the observed spread in core radius among intermediate-age and old star clusters in the Large Magellanic Cloud (LMC). Two effects are considered, a…

The presence of protostellar disks can greatly increase the dissipation during close stellar encounters, leading to the formation of a significant population of binaries during the initial collapse and virialization of a cluster. We have…

Astrophysics · Physics 2015-06-24 S. D. Murray , C. J. Clarke

(Abridged) The formation and evolution of star cluster populations are related to the galactic environment. Cluster formation is governed by processes acting on galactic scales, and star cluster disruption is driven by the tidal field. In…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 J. M. Diederik Kruijssen , F. Inti Pelupessy , Henny J. G. L. M. Lamers , Simon F. Portegies Zwart , Vincent Icke

Using the MOCCA code, we study the evolution of globular clusters (GCs) with multiple stellar populations. For this purpose, the MOCCA code has been significantly extended to take into account the formation of an enriched population of…

Astrophysics of Galaxies · Physics 2025-07-02 Mirek Giersz , Abbas Askar , Arkadiusz Hypki , Jongsuk Hong , Grzegorz Wiktorowicz , Lucas Hellstrom

Both rotation and interactions with binary companions can significantly affect massive star evolution, altering interior and surface abundances, mass loss rates and mechanisms, observed temperatures and luminosities, and their ultimate…

Solar and Stellar Astrophysics · Physics 2020-07-01 Trevor Z. Dorn-Wallenstein , Emily M. Levesque

The purpose of the present work is a detailed investigation of the dynamical evolutionof Collinder 135 and UBC 7 star clusters. We present a set of dynamical numerical simulationsusing realistic star clusterN-body modeling technique with…

Astrophysics of Galaxies · Physics 2023-02-01 Marina Ishchenko , Peter Berczik , Nina Kharchenko

Globular clusters (GCs) constitute a system which is evolving because of various interactions with the galactic environment. Evolution may be the explanation of many observed features of Globular Cluster Systems (GCSs); the different radial…

Astrophysics · Physics 2007-05-23 R. Capuzzo-Dolcetta

We present results from a suite of eight direct N-body simulations, performed with \textsc{Nbody6++GPU}, representing realistic models of rotating star clusters with up to $1.1\times 10^5$ stars. Our models feature primordial (hard)…

Astrophysics of Galaxies · Physics 2022-09-01 A. W. H. Kamlah , R. Spurzem , P. Berczik , M. Arca Sedda , F. Flammini Dotti , N. Neumayer , X. Pang , Q. Shu , A. Tanikawa , M. Giersz

This is the second in a series of papers associated with cataclysmic variables (CVs) and related objects, formed in a suite of simulations for globular cluster evolution performed with the MOCCA Monte Carlo code. We study the properties of…

Astrophysics of Galaxies · Physics 2016-12-05 Diogo Belloni , Mirek Giersz , Helio J. Rocha-Pinto , Nathan Leigh , Abbas Askar

We report here on two complementary population synthesis studies which relate directly to the formation and evolution of neutron star binaries in globular clusters. In the first, we compute the probability of retaining neutron stars in…

Astrophysics · Physics 2007-05-23 Saul Rappaport , Eric Pfahl , Fred Rasio , Philipp Podsiadlowski

We study the evolution of stars that may be the progenitors of long-soft gamma-ray burst (GRBs) -- rotating naked helium stars presumed to have lost their envelopes to winds or companions. Our aim is to investigate the formation and…

Astrophysics · Physics 2009-12-30 Robert G. Izzard , Enrico Ramirez-Ruiz , Christopher A. Tout

We present a series of simple, largely analytical models to compute the effects of disruption on the mass function of star clusters. Our calculations include evaporation by two-body relaxation and gravitational shocks and mass loss by…

Astrophysics · Physics 2009-11-06 S. Michael Fall , Qing Zhang

High-precision kinematic studies of globular clusters require an accurate knowledge of all possible sources of contamination. Amongst other sources, binary stars can introduce systematic biases in the kinematics. Using a set of Monte Carlo…

Astrophysics of Galaxies · Physics 2016-04-06 P. Bianchini , M. A. Norris , G. van de Ven , E. Schinnerer , A. Bellini , R. P. van der Marel , L. L. Watkins , J. Anderson

Massive binary evolution models are needed to predict massive star populations in star forming galaxies, the supernova diversity, and the number and properties of gravitational wave sources. Such models are often computed using so called…

Solar and Stellar Astrophysics · Physics 2024-10-23 Christoph Schürmann , Norbert Langer , Joana A. Kramer , Pablo Marchant , Chen Wang , Koushik Sen

The mass evaporation rate of globular clusters evolving in a strong Galactic tidal field is derived through the analysis of large, multi-mass $N$-body simulations. For comparison, we also study the same evaporation rates using MOCCA Monte…

Astrophysics of Galaxies · Physics 2017-07-19 Juan P. Madrid , Nathan W. C. Leigh , Jarrod R. Hurley , Mirek Giersz

We have studied the dynamical evolution of rotating star clusters with mass spectrum using a Fokker-Planck code. As a simplest multi-mass model, we first investigated the two-component clusters. Rotation is found to accelerate the dynamical…

Astrophysics · Physics 2009-11-10 Eunhyeuk Kim , Hyung Mok Lee , Rainer Spurzem