On the offset of short gamma-ray bursts: On the offset of SGRBs

Short gamma-ray bursts (SGRBs) are expected to form from the coalescence of compact binaries, either from primordial origin or from dynamical interactions in globular clusters. In this paper, we investigate the possibility that the offset and afterglow brightness of an SGRB can help in revealing the origin of its progenitor binary. We find that an SGRB is likely to result from the primordial chann...