Unbiased Hubble constant estimation from binary neutron star mergers

28 Nov 2018Daniel J. MortlockStephen M. FeeneyHiranya V. PeirisAndrew R. WilliamsonSamaya M. Nissanke

Gravitational wave (GW) observations of binary neutron star (BNS) mergers can be used to measure luminosity distances and hence, when coupled with estimates for the mergers' host redshifts, infer the Hubble constant, $H_0$. These observations are, however, affected by GW measurement noise, uncertainties in host redshifts and peculiar velocities, and are potentially biased by selection effects and the mis-specification of the cosmological model or the BNS population... (read more)

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