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GW170817, General Relativistic Magnetohydrodynamic Simulations, and the Neutron Star Maximum Mass
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GW170817, General Relativistic Magnetohydrodynamic Simulations, and the Neutron Star Maximum Mass
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| dc.contributor.author | Ruiz Meneses, Milton Javier | |
| dc.contributor.author | Shapiro, Stuart L. | |
| dc.contributor.author | Tsokaros, Antonios | |
| dc.date.accessioned | 2023-06-02T10:00:51Z | |
| dc.date.available | 2023-06-02T10:00:51Z | |
| dc.date.issued | 2018 | |
| dc.identifier.citation | Ruiz Meneses, Milton Javier Shapiro, Stuart L. Tsokaros, Antonios 2018 GW170817, General Relativistic Magnetohydrodynamic Simulations, and the Neutron Star Maximum Mass Physical Review D 97 2 1 6 | |
| dc.identifier.uri | https://hdl.handle.net/10550/87652 | |
| dc.description.abstract | Recent numerical simulations in general relativistic magnetohydrodynamics (GRMHD) provide useful constraints for the interpretation of the GW170817 discovery. Combining the observed data with these simulations leads to a bound on the maximum mass of a cold, spherical neutron star (the TOV limit): Msphmax≲2.74/β, where β is the ratio of the maximum mass of a uniformly rotating neutron star (the supramassive limit) over the maximum mass of a nonrotating star. Causality arguments allow β to be as high as 1.27, while most realistic candidate equations of state predict β to be closer to 1.2, yielding Msphmax in the range 2.16-2.28M⊙. A minimal set of assumptions based on these simulations distinguishes this analysis from previous ones, but leads a to similar estimate. There are caveats, however, and they are enumerated and discussed. The caveats can be removed by further simulations and analysis to firm up the basic argument. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 2018, vol. 97, num. 2, p. 1-6 | |
| dc.subject | Astronomia | |
| dc.subject | Astrofísica | |
| dc.title | GW170817, General Relativistic Magnetohydrodynamic Simulations, and the Neutron Star Maximum Mass | |
| dc.type | journal article | |
| dc.date.updated | 2023-06-02T10:00:51Z | |
| dc.identifier.doi | 10.1103/PhysRevD.97.021501 | |
| dc.identifier.idgrec | 160077 | |
| dc.rights.accessRights | open access |
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