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Related papers: MOCCA Code for Star Cluster Simulation: Comparison…

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We introduce and present results from the COCOA (Cluster simulatiOn Comparison with ObservAtions) code that has been developed to create idealized mock photometric observations using results from numerical simulations of star cluster…

Astrophysics of Galaxies · Physics 2018-01-24 Abbas Askar , Mirek Giersz , Wojciech Pych , Emanuele Dalessandro

We introduce an improved code for simulations of star clusters, called MOCCA. It combines the Monte Carlo method for star cluster evolution and the Fewbody code to perform scattering experiments. The Fewbody was added in order to track more…

Astrophysics of Galaxies · Physics 2015-06-05 Arkadiusz Hypki , Mirek Giersz

We describe a major upgrade of a Monte Carlo code which has previously been used for many studies of dense star clusters. We outline the steps needed in order to calibrate the results of the new Monte Carlo code against $N$-body simulations…

Astrophysics of Galaxies · Physics 2015-06-03 Mirek Giersz , Douglas C. Heggie , Jarrod Hurley , Arkadiusz Hypki

We present a new parallel supercomputer implementation of the Monte-Carlo method for simulating the dynamical evolution of globular star clusters. Our method is based on a modified version of Henon's Monte-Carlo algorithm for solving the…

Astrophysics · Physics 2009-10-31 Kriten Joshi , Frederic Rasio , Simon Portegies Zwart

A revision of Stodolkiewicz's Monte-Carlo code is used to simulate evolution of star clusters. The new method treats each superstar as a single star and follows the evolution and motion of all individual stellar objects. The first…

Astrophysics · Physics 2009-10-30 Mirek Giersz

We introduce a new prescription for the evolution of globular clusters (GCs) during the initial embedded gas phase into a Monte Carlo method. With a simplified version of the Monte Carlo MOCCA code embedded in the AMUSE framework, we study…

Astrophysics of Galaxies · Physics 2022-06-29 A. Leveque , M. Giersz , S. Banerjee , E. Vesperini , J. Hong , S. Portegies Zwart

The paper presents an analysis of formation mechanism and properties of spatial distributions of blue stragglers in evolving globular clusters, based on numerical simulations done with the MOCCA code. First, there are presented N-body and…

Astrophysics of Galaxies · Physics 2017-08-16 Arkadiusz Hypki , Mirek Giersz

A revision of Stod\'o{\l}kiewicz's Monte Carlo code is used to simulate evolution of large star clusters. The survey on the evolution of multi-mass N-body systems influenced by the tidal field of a parent galaxy and by stellar evolution is…

Astrophysics · Physics 2007-05-23 Mirek Giersz

We have developed a new simulation code aimed at studying the stellar dynamics of a galactic central star cluster surrounding a massive black hole. In order to include all the relevant physical ingredients (2-body relaxation, stellar mass…

Astrophysics · Physics 2009-11-06 Marc Freitag , Willy Benz

The photometric properties that we could observe for Extra-Galactic Globular Clusters (EGGCs) are the integrated light of the system and for nearby EGGCs it also is possible to measure both half-light radii and the color spatial…

Astrophysics of Galaxies · Physics 2020-03-18 Agostino Leveque , Mirosław Giersz

We describe the public release of the Cluster Monte Carlo Code (CMC) a parallel, star-by-star $N$-body code for modeling dense star clusters. CMC treats collisional stellar dynamics using H\'enon's method, where the cumulative effect of…

Over the last few decades, exhaustive surveys of extra Galactic globular clusters (EGGCs) have become feasible. Only recently, kinematical information of globular clusters (GCs) were available through Gaia DR2 spectroscopy and also proper…

Astrophysics of Galaxies · Physics 2021-01-13 Agostino Leveque , Mirosław Giersz , Maurizio Paolillo

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

We briefly describe and discuss the set-up of the project MOCCA Survey Database I. The database contains more than 2000 Monte Carlo models of evolution of real star cluster performed with the MOCCA code. Then, we very briefly discuss…

Astrophysics of Galaxies · Physics 2019-04-09 Mirek Giersz , Abbas Askar , Jakub Klencki , Jakub Morawski

We have simulated the formation of an X-ray cluster in a cold dark matter universe using 12 different codes. The codes span the range of numerical techniques and implementations currently in use, including SPH and grid methods with fixed,…

We outline the steps needed in order to incorporate the evolution of single and binary stars into a particular Monte Carlo code for the dynamical evolution of a star cluster. We calibrate the results against N-body simulations, and present…

Astrophysics · Physics 2008-01-25 Mirek Giersz , Douglas C. Heggie , Jarrod R. Hurley

We discuss a new scenario for the formation of intermediate mass black holes in dense star clusters. In this scenario, intermediate mass black holes are formed as a result of dynamical interactions of hard binaries containing a stellar mass…

Astrophysics of Galaxies · Physics 2016-08-05 M. Giersz , N. Leigh , A. Hypki , N. Lützgendorf , A. Askar

We analyze the circumgalactic medium (CGM) for eight commonly-used cosmological codes in the AGORA collaboration. The codes are calibrated to use identical initial conditions, cosmology, heating and cooling, and star formation thresholds,…

A revision of Stodolkiewicz's Monte Carlo code is used to simulate the evolution of million body star clusters. The new method treats each superstar as a single star and follows the evolution and motion of all individual stellar objects. A…

Astrophysics · Physics 2009-11-11 Mirek Giersz

We have developed a new parallel supercomputer code based on Henon's Monte Carlo method for simulating the dynamical evolution of globular clusters. This new code allows us to calculate the evolution of a cluster containing a realistic…

Astrophysics · Physics 2007-05-23 F. A. Rasio
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