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  Constraint on the maximum mass of neutron stars using GW170817 event

Shibata, M., Zhou, E., Kiuchi, K., & Fujibayashi, S. (2019). Constraint on the maximum mass of neutron stars using GW170817 event. Physical Review D, 100: 023015. doi:10.1103/PhysRevD.100.023015.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-BFDD-E Version Permalink: http://hdl.handle.net/21.11116/0000-0004-76D0-C
Genre: Journal Article

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 Creators:
Shibata, Masaru1, Author              
Zhou, Enping, Author
Kiuchi, Kenta, Author
Fujibayashi, Sho, Author
Affiliations:
1Computational Relativistic Astrophysics, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_2541714              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,General Relativity and Quantum Cosmology, gr-qc,Nuclear Theory, nucl-th
 Abstract: We revisit the constraint on the maximum mass of cold spherical neutron stars coming from the observational results of GW170817. We develop a new framework for the analysis, which is more strict than previous ones, by employing both energy and angular momentum conservation laws as well as solid results of numerical-relativity simulations and of neutron stars in equilibrium. The new analysis shows that the maximum mass of cold spherical neutron stars can be only weakly constrained as $M_{\rm max} \alt 2.3M_\odot$. Our present result gives the following caution for interpreting the future observational results: Oversimplified analyses and/or inappropriate assumptions lead to an inaccurate constraint on the maximum mass of neutron stars.

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 Dates: 2019-05-092019-05-122019
 Publication Status: Published in print
 Pages: 14 pages, 5 figures, more refs added. Submitted
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1905.03656
URI: http://arxiv.org/abs/1905.03656
DOI: 10.1103/PhysRevD.100.023015
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 100 Sequence Number: 023015 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258