A GRB Afterglow Model Consistent with Hypernova Observations

  title={A GRB Afterglow Model Consistent with Hypernova Observations},
  author={R. Ruffini and Mile Karlica and Narek Sahakyan and Jorge Armando Rueda and Y. Wang and Grant J. Mathews and Carlo Luciano Bianco and Marco Muccino},
  journal={The Astrophysical Journal},
We describe the afterglows of long gamma-ray-burst (GRB) within the context of a binary-driven hypernova (BdHN). In this paradigm afterglows originate from the interaction between a newly born neutron star ($\nu$NS), created by an Ic supernova (SN), and a mildly relativistic ejecta of a hypernova (HN). Such a HN in turn result from the impact of the GRB on the original SN Ic. The observed power-law afterglow in the optical and X-ray bands is shown to arise from the synchrotron emission of… 

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