An observational upper limit on the rate of gamma-ray bursts with neutron star-black hole merger progenitors

Abstract

Compact-object binary mergers consisting of one neutron star and one black hole (NSBHs) have long been considered promising progenitors for gamma-ray bursts, whose central engine remains poorly understood. Using gravitational-wave constraints on the population-level NSBH mass and spin distributions we find that at most $20{\mathrm{Gpc}}^{-3}{\mathrm{yr}}^{-1}$ of gamma-ray bursts in the local universe can have NSBH progenitors.

Submitted to RNAAS

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Cited by in corpus (3)

• Observation of Gravitational Waves from the Coalescence of a $2.5\text{-}4.5M_{\odot }$ Compact Object and a Neutron Star
• Implications of low neutron star merger rates for gamma-ray bursts, r-process production and Galactic double neutron stars
• A New Framework to Detect Multi-Messenger Signals from Bright Sporadic Stochastic Gravitational Wave Background