paper

The formation rate of short gamma-ray bursts and gravitational waves

arXiv:1711.08206 · doi:10.3847/1538-4357/aa9ce5

Abstract

In this paper, we study the luminosity function and formation rate of short gamma-ray bursts (sGRBs). Firstly, we derive the correlation using 16 sGRBs with redshift measurements and determine the pseudo redshifts of 284 Fermi sGRBs. Then, we use the Lynden-Bell c method to study the luminosity function and formation rate of sGRBs without any assumptions. A strong evolution of luminosity is found. After removing this evolution, the luminosity function is for dim sGRBs and for bright sGRBs, with the break point erg s. We also find that the formation rate decreases rapidly at , which is different with previous works. The local formation rate of sGRBs is 7.53 events Gpc yr. Considering the beaming effect, the local formation rate of sGRBs including off-axis sGRBs is events Gpc yr. We also estimate that the event rate of sGRBs detected by the advanced LIGO and Virgo is events yr for NS-NS binary.

30 pages, 8 figures, 2 tables, proofed version, several references added

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