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Related papers: Mass distribution of neutron stars in binary syste…

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We investigate the distribution of neutron star masses in different populations of binaries, employing Bayesian statistical techniques. In particular, we explore the differences in neutron star masses between sources that have experienced…

High Energy Astrophysical Phenomena · Physics 2022-07-22 Feryal Ozel , Dimitrios Psaltis , Ramesh Narayan , Antonia Sierra Villarreal

In recent years, the number of pulsars with secure mass measurements has increased to a level that allows us to probe the underlying neutron star (NS) mass distribution in detail. We critically review the radio pulsar mass measurements. For…

Solar and Stellar Astrophysics · Physics 2016-02-09 Bulent Kiziltan , Athanasios Kottas , Maria De Yoreo , Stephen E. Thorsett

The distribution of masses for neutron stars is analyzed using the Bayesian statistical inference, evaluating the likelihood of proposed gaussian peaks by using fifty-four measured points obtained in a variety of systems. The results…

Solar and Stellar Astrophysics · Physics 2015-05-27 R. Valentim , E. Rangel , J. E. Horvath

We present in this article an overview of the problem of neutron star masses. After a brief appraisal of the methods employed to determine the masses of neutron stars in binary systems, the existing sample of measured masses is presented,…

High Energy Astrophysical Phenomena · Physics 2018-04-25 J. E. Horvath , R. Valentim

The mass function of neutron stars (NSs) contains information about the late evolution of massive stars, the supernova explosion mechanism, and the equation-of-state of cold, nuclear matter beyond the nuclear saturation density. A number of…

High Energy Astrophysical Phenomena · Physics 2016-05-06 John Antoniadis , Thomas M. Tauris , Feryal Ozel , Ewan Barr , David J. Champion , Paulo C. C. Freire

In recent years, the number of pulsars with secure mass measurements has increased to a level that allows us to probe the underlying neutron star mass distribution in detail. We critically review radio pulsar mass measurements and present a…

Astrophysics of Galaxies · Physics 2016-02-09 Bulent Kiziltan , Athanasios Kottas , Stephen E. Thorsett

The observed distribution of neutron star (NS) masses reflects the physics of core-collapse supernova explosions and the structure of the massive stars that produce them at the end of their evolution. We present a Bayesian analysis that…

Solar and Stellar Astrophysics · Physics 2012-07-25 Ondrej Pejcha , Todd A. Thompson , Christopher S. Kochanek

The maximum mass of neutron stars (NSs) is of great importance for constraining equations of state of NSs and understanding the mass gap between NSs and stellar-mass black holes. NSs in X-ray binaries would increase in mass by accreting…

High Energy Astrophysical Phenomena · Physics 2021-12-08 Zhenwei Li , Xuefei Chen , Hai-Liang Chen , Zhanwen Han

The sample of neutron stars with a measured mass is growing quickly. With the latest sample, we adopt both a flexible Gaussian mixture model and a Gaussian plus Cauchy-Lorentz component model to infer the mass distribution of neutron stars…

High Energy Astrophysical Phenomena · Physics 2020-09-10 Dong-Sheng Shao , Shao-Peng Tang , Jin-Liang Jiang , Yi-Zhong Fan

The observed mass distribution for the compact remnants of massive stars (neutron stars and black holes) and its relationship to possible mechanisms for the ejection of the envelopes of type II and Ib/c supernovae is analyzed. The…

Astrophysics · Physics 2009-11-07 M. E. Prokhorov , K. A. Postnov

The mass distribution of compact objects provides a fossil record that can be studied to uncover information on the late stages of massive star evolution, the supernova explosion mechanism, and the dense matter equation of state.…

High Energy Astrophysical Phenomena · Physics 2018-04-04 Carolyn A. Raithel , Tuguldur Sukhbold , Feryal Özel

Radio observations of neutron star binary pulsar systems have constrained strongly the masses of eight neutron stars. Assuming neutron star masses are uniformly distributed between lower and upper bounds $m_l$ and $m_u$, the observations…

Astrophysics · Physics 2009-01-23 L. S. Finn

There is a remarkable correlation between the spin periods of the accreting neutron stars in Be/X-ray binaries (BeXBs) and their orbital periods . Recently Knigge et al. (2011) showed that the distribution of the spin periods contains two…

High Energy Astrophysical Phenomena · Physics 2015-06-19 Z. -Q. Cheng , Y. Shao , X. -D. Li

We have collected the parameter of 38 neutron stars (NSs) in binary systems with spin periods and measured masses. By adopting the Boot-strap method, we reproduced the procedure of mass calculated for each system separately, to determine…

High Energy Astrophysical Phenomena · Physics 2013-03-28 Z. Cheng , A. Taani , Y. H. Zhao

The birth mass function of neutron stars encodes rich information about supernova explosions, double star evolution, and properties of matter under extreme conditions. To date, it has remained poorly constrained by observations, however.…

Fast spinning neutron stars, recycled in low mass binaries, may have accreted a substantial amount of mass. The available relativistic measurements of neutron star masses, all clustering around 1.4 M_sun, however refer mostly to slowly…

Astrophysics · Physics 2009-10-31 Luciano Burderi , Andrea Possenti , Monica Colpi , Tiziana Di Salvo , Nichi D'Amico

Matter at ultra-high densities finds a physical realization inside neutron stars. One key property is their maximum mass, which has far-reaching implications for astrophysics and the equation of state of ultra dense matter. In this work, we…

High Energy Astrophysical Phenomena · Physics 2025-07-01 Lívia S. Rocha , Jorge E. Horvath , Lucas M. de Sá , Gustavo Y. Chinen , Lucas G. Barão , Marcio G. B. de Avellar

We use a collection of 14 well-measured neutron star masses to strengthen the case that a substantial fraction of these neutron stars was formed via electron-capture supernovae (SNe) as opposed to Fe-core collapse SNe. The e-capture SNe are…

High Energy Astrophysical Phenomena · Physics 2014-11-21 Josiah Schwab , Philipp Podsiadlowski , Saul Rappaport

The formation and evolution of binaries which contain two neutron stars or a neutron star with a black hole are discussed in detail. The evolution of the distributions in orbital period and eccentricity for neutron star binaries are studied…

Astrophysics · Physics 2016-08-30 Simon F. Portegies Zwart , Lev R. Yungelson

Binary neutron stars (BNSs) detected in the Milky Way have the total masses distributing narrowly around $\sim2.6-2.7M_\odot$, while the BNS merger GW190425 detected via gravitational wave has a significantly larger mass ($\sim3.4M_\odot$).…

High Energy Astrophysical Phenomena · Physics 2025-02-14 Qingbo Chu , Youjun Lu , Shenghua Yu
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