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Galaxies 2018, 6(4), 130; https://doi.org/10.3390/galaxies6040130

The Rate of Short-Duration Gamma-Ray Bursts in the Local Universe

1,†,* , 1,†,* , 1,†
,
2
and
3
1
Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UK
2
Department of Physics, University of Warwick, Coventry CV4 7AL, UK
3
Department of Physics, University of Bath, Claverton Down, Bath BA2 7AY, UK
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 31 October 2018 / Revised: 23 November 2018 / Accepted: 27 November 2018 / Published: 30 November 2018
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Abstract

Following the faint gamma-ray burst, GRB 170817A, coincident with a gravitational wave-detected binary neutron star merger at d 40 Mpc, we consider the constraints on a local population of faint short duration GRBs (defined here broadly as T 90 < 4 s). We review proposed low-redshift short-GRBs and consider statistical limits on a d 200 Mpc population using Swift/Burst Alert Telescope (BAT), Fermi/Gamma-ray Burst Monitor (GBM), and Compton Gamma-Ray Observatory (CGRO) Burst and Transient Source Experiment (BATSE) GRBs. Swift/BAT short-GRBs give an upper limit for the all-sky rate of < 4 y 1 at d < 200 Mpc, corresponding to < 5% of SGRBs. Cross-correlation of selected CGRO/BATSE and Fermi/GBM GRBs with d < 100 Mpc galaxy positions returns a weaker constraint of 12 y 1 . A separate search for correlations due to SGR giant flares in nearby ( d < 11 Mpc) galaxies finds an upper limit of < 3 y 1 . Our analysis suggests that GRB 170817A-like events are likely to be rare in existing SGRB catalogues. The best candidate for an analogue remains GRB 050906, where the Swift/BAT location was consistent with the galaxy IC 0327 at d 132 Mpc. If binary neutron star merger rates are at the high end of current estimates, then our results imply that at most a few percent will be accompanied by detectable gamma-ray flashes in the forthcoming LIGO/Virgo science runs. View Full-Text
Keywords: short gamma-ray bursts; physics; progenitors; host galaxies short gamma-ray bursts; physics; progenitors; host galaxies
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Mandhai, S.; Tanvir, N.; Lamb, G.; Levan, A.; Tsang, D. The Rate of Short-Duration Gamma-Ray Bursts in the Local Universe. Galaxies 2018, 6, 130.

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