Revisiting coincidence rate between gravitational wave detection and short gamma-ray burst for the advanced and third generation

T. Regimbau, K. Siellez, D. Meacher, B. Gendre, M. Boër

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

We use realistic Monte Carlo simulations including both gravitational-wave (GW) and short gamma-ray burst (sGRB) selection effects to revisit the coincident rate of binary systems composed of two neutron stars or a neutron star and a black hole. We show that the fraction of GW triggers that can be observed in coincidence with sGRBs is proportional to the beaming factor at z = 0, but increases with the distance until it reaches 100% at the GW detector horizon distance. When this is taken into account the rate is improved by a factor of three compared to the simple beaming factor correction. We provide an estimate of the performance future GRB detectors should achieve in order to fully exploit the potentiality of the planned third-generation GW antenna Einstein Telescope, and we propose a simple method to constrain the beaming angle of sGRBs.

Original languageEnglish
Article number69
JournalThe Astrophysical Journal
Volume799
Issue number1
DOIs
Publication statusPublished - 20 Jan 2015
Externally publishedYes

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