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Related papers: Mass Distribution and "Mass Gap" of Compact Stella…

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Context: Mergers of neutron stars (NS) and black holes (BH) are among the strongest sources of gravitational waves and are potential central engines for short gamma-ray bursts. Aims: We aim to compare the general relativistic (GR) results…

High Energy Astrophysical Phenomena · Physics 2015-03-13 M. Ruffert , H. -Th. Janka

We have performed population synthesis calculation on the formation of binaries containing a black hole (BH) and a neutron star (NS) in the Galactic disk. Some of important input parameters, especially for the treatment of common envelope…

High Energy Astrophysical Phenomena · Physics 2018-05-02 Yong Shao , Xiang-Dong Li

We use the well tested StarTrack binary population synthesis code to examine the properties of the population of compact object binaries. We calculate the distribution of masses and mass ratios taking into account weights introduced by…

Astrophysics · Physics 2009-11-10 T. Bulik , D. Gondek-Rosinska , K. Belczynski

The progenitor system of the compact binary merger GW190425 had a total mass of $3.4^{+0.3}_{-0.1}$ M$_\odot$ (90th-percentile confidence region) as measured from its gravitational wave signal. This mass is significantly different from the…

High Energy Astrophysical Phenomena · Physics 2020-03-25 Ryan J. Foley , David A. Coulter , Charles D. Kilpatrick , Anthony L. Piro , Enrico Ramirez-Ruiz , Josiah Schwab

Aims. Neutron stars (NSs) produced in the Milky Way are supposedly ten to the eighth - ten to the ninth, of which only $\sim 2 \times 10^{3}$ are observed. Constraining the phase space distribution of NSs may help to characterize the yet…

Astrophysics of Galaxies · Physics 2015-05-14 N. Sartore , E. Ripamonti , A. Treves , R. Turolla

Gravitational wave (GW) detections of binary black hole (BH) mergers have begun to sample the cosmic BH mass distribution. The evolution of single stellar cores predicts a gap in the BH mass distribution due to pair-instability supernova…

High Energy Astrophysical Phenomena · Physics 2024-07-04 Ebraheem Farag , Mathieu Renzo , Robert Farmer , Morgan T. Chidester , F. X. Timmes

The maximal gravitational mass of nonrotating neutron stars ($M_{\rm TOV}$) is one of the key parameters of compact objects and only loose bounds can be set based on the first principle. With reliable measurements of the masses and/or radii…

High Energy Astrophysical Phenomena · Physics 2024-03-04 Yi-Zhong Fan , Ming-Zhe Han , Jin-Liang Jiang , Dong-Sheng Shao , Shao-Peng Tang

In standard stellar evolution, stars with masses ranging from approximately $150$ to $240 M_\odot$ are expected to evolve to a pair instability supernova with no black hole (BH) remnant. This evolutionary behavior leads to a predicted gap…

High Energy Astrophysical Phenomena · Physics 2021-08-25 Joshua Ziegler , Katherine Freese

The occurrence of a desert between neutron star (NS) and black hole (BH) remnants is reviewed. The dependence of stellar remnants on the zero age main sequence (ZAMS) progenitor mass for solar metallicity is taken from a recent…

Solar and Stellar Astrophysics · Physics 2019-01-08 R. Caimmi

Over the course of the third observing run of LIGO-Virgo-KAGRA Collaboration, several gravitational-wave (GW) neutron star--black hole (NSBH) candidates have been announced. By assuming these candidates are real signals and of astrophysical…

High Energy Astrophysical Phenomena · Physics 2022-04-07 Jin-Ping Zhu , Shichao Wu , Ying Qin , Bing Zhang , He Gao , Zhoujian Cao

It is known that the mass distribution of the known neutron stars (NSs) exhibits a bimodal pattern. The origin of this distribution remains a subject of debate. We constructed a super-Eddington accretion model for accreting neutron stars…

Solar and Stellar Astrophysics · Physics 2026-05-26 Zhe Hu , GuoLiang Lv , ChunHua Zhu , Sufen Guo , Helei Liu , Lin Li , Zhuowen Li , Zhenwei Li

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 binary neutron star (BNS) mass distribution measured with gravitational-wave observations has the potential to reveal information about the dense matter equation of state, supernova physics, the expansion rate of the universe, and tests…

High Energy Astrophysical Phenomena · Physics 2022-02-16 Sylvia Biscoveanu , Colm Talbot , Salvatore Vitale

We perform a hierarchical Bayesian inference to investigate the population properties of the coalescing compact binaries involving at least one neutron star (NS). With the current observation data, we can not rule out either of the Double…

High Energy Astrophysical Phenomena · Physics 2021-12-22 Yin-Jie Li , Shao-Peng Tang , Yuan-Zhu Wang , Qiang Yuan , Yi-Zhong Fan , Da-Ming Wei

Recent discoveries of black hole (BH) candidates in Galactic and extragalactic globular clusters (GCs) have ignited interest in understanding how BHs dynamically evolve in a GC and the number of BHs ($N_{\rm{BH}}$) that may still be…

Solar and Stellar Astrophysics · Physics 2018-09-05 Newlin C. Weatherford , Sourav Chatterjee , Carl L. Rodriguez , Frederic A. Rasio

Electromagnetic and gravitational wave observations indicate that there is dearth of compact objects with mass $\sim 2.5-5~{\rm M_\odot}$. This so-called "mass gap" may be linked to the supernova explosion mechanisms that produce neutron…

High Energy Astrophysical Phenomena · Physics 2022-06-24 Shi-Jie Gao , Xiang-Dong Li , Yong Shao

We perform hydrodynamical simulations of neutron-star mergers for a large sample of temperature-dependent, nuclear equations of state, and determine the threshold mass above which the merger remnant promptly collapses to form a black hole.…

Solar and Stellar Astrophysics · Physics 2015-06-16 A. Bauswein , T. W. Baumgarte , H. -T. Janka

Combining the GW observations of merging systems of binary neutron stars and quasi-universal relations, we set constraints on the maximum mass that can be attained by nonrotating stellar models of neutron stars. More specifically,…

High Energy Astrophysical Phenomena · Physics 2018-09-06 Luciano Rezzolla , Elias R. Most , Lukas R. Weih

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