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  Discerning the binary neutron star or neutron star-black hole nature of GW170817 with Gravitational Wave and Electromagnetic Measurements

Hinderer, T., Nissanke, S., Foucart, F., Hotokezaka, K., Vincent, T., Kasliwal, M., et al. (in preparation). Discerning the binary neutron star or neutron star-black hole nature of GW170817 with Gravitational Wave and Electromagnetic Measurements.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-0FE4-D Version Permalink: http://hdl.handle.net/21.11116/0000-0002-ED62-5
Genre: Paper

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1808.03836.pdf (Preprint), 2MB
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 Creators:
Hinderer, Tanja1, Author              
Nissanke, Samaya, Author
Foucart, Francois, Author
Hotokezaka, Kenta, Author
Vincent, Trevor, Author
Kasliwal, Mansi, Author
Schmidt, Patricia, Author
Williamson, Andrew R., Author
Nichols, David, Author
Duez, Matthew, Author
Kidder, Lawrence E., Author
Pfeiffer, Harald P., Author
Scheel, Mark A., Author
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
 Abstract: The discovery of GW170817 with gravitational waves (GWs) and electromagnetic (EM) radiation is prompting new questions in strong-gravity astrophysics. Importantly, it remains unknown whether the progenitor of the merger comprised two neutron stars (NSs), or a NS and a black hole (BH). Using new numerical-relativity simulations and incorporating modeling uncertainties we produce novel GW and EM observables for NS-BH mergers with similar masses. A joint analysis of GW and EM measurements reveals that if GW170817 is a NS-BH merger, <40% of the GW parameters are compatible with EM observations.

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 Dates: 2018-08-112018-09-06
 Publication Status: Not specified
 Pages: 9 pages, 7 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1808.03836
URI: http://arxiv.org/abs/1808.03836
 Degree: -

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