GW170817: observation of gravitational waves from a binary neutron star inspiral
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Cites background from "GW170817: observation of gravitatio..."
...The recent detection of the neutron star (NS) merger GW1708171 in gravitational- and electromagnetic waves (Abbott et al. 2017c,d, and references therein) has advanced several outstanding issues in astrophysics....
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...…production (e.g., Kasen et al. 2017; Côté et al. 2018; Hotokezaka et al. 2018), provided unambiguous association between a neutron star merger and a short gamma-ray burst (Abbott et al. 2017b), and set constraints on the dense-matter equation of state (e.g., Bauswein et al. 2017; Margalit ?...
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...For the particular case of GW710817, the amount of dynamical ejecta expected is smaller than the total r-process mass inferred from the kilonova (e.g., Abbott et al. 2017a; Shibata et al. 2017; however see Kawaguchi et al. 2018 for a different kilonova mass estimate)....
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Cites background or methods or result from "GW170817: observation of gravitatio..."
...Taking the posterior distribution for the progenitor masses of GW170817 (Abbott et al. 2017a), one can calculate a probability distribution for the gravitational mass of the postmerger remnant assuming conservation of baryonic mass (and neglecting mass loss to the ejecta)....
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...A hypermassive NS remnant may also partially explain the delay between the coalescence time of GW170817 and the trigger time of the short γ-ray burst (GRB) 170817A, detected 1.7 s later by the Fermi Gamma-ray Burst Monitor (Abbott et al. 2017c; Goldstein et al. 2017)....
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...The simulated sources are placed at the known sky location of the optical counterpart of GW170817 and with orbital inclination consistent with the pre-merger analysis (Abbott et al. 2017a)....
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...GRB 170817A was sub-energetic compared to the population of cosmological short GRBs (Berger 2014; Abbott et al. 2017b; Goldstein et al. 2017), had an atypical X-ray afterglow (Evans et al. 2017; Troja et al. 2017), and had no observations hinting at a central engine remaining active following the…...
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...…12:41:04.4 UTC, the two detectors of the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) and the Advanced Virgo detector observed GW170817, the gravitational-wave (GW) signal from the coalescence of two compact objects, almost certainly neutron stars (NSs; Abbott et al. 2017a)....
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