期刊
ASTROPHYSICAL JOURNAL LETTERS
卷 852, 期 2, 页码 -出版社
IOP Publishing Ltd
DOI: 10.3847/2041-8213/aaa402
关键词
equation of state; gravitational waves; stars: neutron
资金
- Max-Planck/Princeton Center (MPPC) for Plasma Physics [NSF PHY-1523261]
- Institute for Nuclear Theory [17-2b]
- EU H under ERC Starting Grant [BinGraSp-714626]
Gravitational waves detected from the binary neutron star (NS) merger GW170817 constrained the NS equation of state by placing an upper bound on certain parameters, describing the binary's tidal interactions. We show that the interpretation of the UV/optical/infrared counterpart of GW170817 with kilonova models, combined with new numerical-relativity results, imply a complementary lower bound on the tidal deformability parameter. The joint constraints tentatively rule out both extremely stiff and soft NS equations of state.
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