- Conference date: 15-20 Sept 1997
- Location: Huntsville, Alabama (USA)
We examine what we regard as key observational results on GRB970228 and GRB970508 and show that the accumulated evidence strongly suggests that γ-ray bursts (GRBs) are cosmological fireballs. We further show that the observations suggest that GRBs are not associated with the nuclear activity of active galactic nuclei, and that late-type galaxies are more prolific producers of GRBs. We suggest that GRBs can be used to trace the cosmic history of the star-formation rate. Finally, we show that the GRB locations with respect to the star-forming regions in their host galaxies and the total burst energies can be used to distinguish between different theoretical models for GRBs.
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