English
Related papers

Related papers: Binary Evolution and Neutron Stars in Globular Clu…

200 papers

We have carried out a set of Monte Carlo simulations to study a number of fundamental aspects of the dynamical evolution of multiple stellar populations in globular clusters with different initial masses, fractions of second generation (2G)…

Astrophysics of Galaxies · Physics 2021-03-03 E. Vesperini , J. Hong , M. Giersz , A. Hypki

Over a hundred millisecond radio pulsars (MSPs) have been observed in globular clusters (GCs), motivating theoretical studies of the formation and evolution of these sources through stellar evolution coupled to stellar dynamics. Here we…

High Energy Astrophysical Phenomena · Physics 2019-06-12 Claire S. Ye , Kyle Kremer , Sourav Chatterjee , Carl L. Rodriguez , Frederic A. Rasio

The new approach outlined in Paper I (Spurzem \& Giersz 1996) to follow the individual formation and evolution of binaries in an evolving, equal point-mass star cluster is extended for the self-consistent treatment of relaxation and close…

Astrophysics · Physics 2009-10-31 M. Giersz , R. Spurzem

Recent discoveries of gravitational wave sources have advanced our knowledge about the formation of compact object binaries. At present, many questions about the stellar origins of binary neutron stars remain open. We explore the evolution…

High Energy Astrophysical Phenomena · Physics 2025-01-29 Clément Pellouin , Irina Dvorkin , Léonard Lehoucq

Three-body effects greatly complicate stellar evolution. We model the effects of encounters of binaries with single stars, based on parameters chosen from conditions prevalent in the cores of globular clusters. For our three-body…

Astrophysics · Physics 2009-09-25 Simon F. Portegies Zwart , Piet Hut , Stephen L. W. McMillan , Frank Verbunt

The past few years have seen dramatic improvements in the scope and realism of star cluster simulations. Accurate treatments of stellar evolution, coupled with robust descriptions of all phases of binary evolution, have been incorporated…

Astrophysics · Physics 2007-05-23 Stephen L. W. McMillan

The stellar-dynamical evolution of bound star clusters during the first few Myr is dominated by binary-binary and binary-star interactions, the rapid sinking of the most massive stars to the centre of the clusters and mass loss from…

Astrophysics · Physics 2007-05-23 Pavel Kroupa

The fraction of stars in binary systems within star clusters is important for their evolution, but what proportion of binaries form by dynamical processes after initial stellar accretion remains unknown. In previous work, we showed that…

We describe Monte Carlo models for the dynamical evolution of the nearby globular cluster M4. The code includes treatments of two-body relaxation, three- and four-body interactions involving primordial binaries and those formed dynamically,…

Astrophysics · Physics 2009-11-13 Mirek Giersz , Douglas Heggie

Context: The dynamical evolution of binary populations in embedded star clusters shapes the statistical properties of binaries observed in the Galactic field. Accurately modelling this process requires resolving both early cluster dynamics…

Astrophysics of Galaxies · Physics 2026-02-03 Wenjie Wu , Pavel Kroupa , Vikrant V. Jadhav

We study the dynamical evolution of globular clusters using our H\'enon-type Monte Carlo code for stellar dynamics including all relevant physics such as two-body relaxation, single and binary stellar evolution, Galactic tidal stripping,…

Astrophysics of Galaxies · Physics 2015-06-05 Sourav Chatterjee , Stefan Umbreit , John M. Fregeau , Frederic A. Rasio

In this paper, the first of a series, we study the stellar dynamical and evolutionary processes leading to the formation of compact binaries containing white dwarfs in dense globular clusters. We examine the processes leading to the…

Astrophysics · Physics 2009-11-11 N. Ivanova , C. O. Heinke , F. A. Rasio , R. E. Taam , K. Belczynski , J. Fregeau

In this paper we investigate the evolution of binary neutron stars, namely, their magnetic field, spin, and orbital evolution. The core of a neutron star is considered to be a superfluid, superconductor type II. Flux expulsion of the…

Solar and Stellar Astrophysics · Physics 2009-05-05 Shohreh Abdolrahimi

In dense stellar systems, dynamical interactions between objects lead to frequent formation of exotic stellar objects, unusual binaries, and systems of higher multiplicity. They are especially important for the formation of low mass X-ray…

High Energy Astrophysical Phenomena · Physics 2013-01-11 Natalia Ivanova

We use N-body integration to follow the evolution of clusters of 200 binary systems with different initial half mass radii $R_{0.5}$. We also simulate single-star clusters. All clusters evolve according to the same $n(t)$ curve, where…

Astrophysics · Physics 2015-06-24 Pavel Kroupa

The evolution of neutron stars in close binary systems with a low-mass companion is considered assuming the magnetic field to be confined within the solid crust. We adopt the standard scenario of the evolution in a close binary system in…

Astrophysics · Physics 2009-10-30 V. Urpin , U. Geppert , D. Konenkov

We study the dynamical evolution of globular clusters containing populations of primordial binaries, using our newly updated Monte Carlo cluster evolution code with the inclusion of direct integration of binary scattering interactions. We…

Astrophysics · Physics 2015-06-24 John M. Fregeau , Frederic A. Rasio

Gravitational-wave observations have just started probing the properties of black hole binary merger populations. The observation of binaries with very massive black holes and significantly asymmetric masses motivates the study of dense…

High Energy Astrophysical Phenomena · Physics 2024-08-20 Konstantinos Kritos , Vladimir Strokov , Vishal Baibhav , Emanuele Berti

Using the StarTrack binary population synthesis code we model the population of double neutron stars in the Galaxy. We include a detailed treatment of the spin evolution of each pulsar due to processes such as spin-down and spin-up during…

Astrophysics of Galaxies · Physics 2011-02-15 S. Oslowski , T. Bulik , D. Gondek-Rosinska , K. Belczynski

Using state-of-the-art dynamical simulations of globular clusters, including radiation reaction during black hole encounters and a cosmological model of star cluster formation, we create a realistic population of dynamically-formed binary…

High Energy Astrophysical Phenomena · Physics 2018-12-26 Carl L. Rodriguez , Pau Amaro-Seoane , Sourav Chatterjee , Kyle Kremer , Frederic A. Rasio , Johan Samsing , Claire S. Ye , Michael Zevin