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GRB Spectrum from Gradual Dissipation in a Magnetized Outflow
Ramandeep Gill, Jonathan Granot, Paz Beniamini
Modeling of gamma-ray burst (GRB) prompt emission spectra sometimes requires a (quasi-) thermal spectral component in addition to the Band function. In photospheric emission models…
3D magnetised jet break-out from neutron-star binary merger ejecta: afterglow emission from the jet and the ejecta
Antonios Nathanail, Ramandeep Gill, Oliver Porth +2
We perform three-dimensional (3D) general-relativistic magnetohydrodynamic simulations to model the jet break-out from the ejecta expected to be produced in a binary neutron-star m…
Observation of inverse Compton emission from a long -ray burst
V. A. Acciari, S. Ansoldi, L. A. Antonelli +301
Long-duration gamma-ray bursts (GRBs) originate from ultra-relativistic jets launched from the collapsing cores of dying massive stars. They are characterised by an initial phase o…
On the opening angle of magnetised jets from neutron-star mergers: the case of GRB170817A
Antonios Nathanail, Ramandeep Gill, Oliver Porth +2
The observations of GW170817/GRB170817A have confirmed that the coalescence of a neutron-star binary is the progenitor of a short gamma-ray burst. In the standard picture of a shor…
Afterglow Lightcurves from Misaligned Structured Jets
Paz Beniamini, Jonathan Granot, Ramandeep Gill
GRB 170817A/GW 170817 is the first GRB clearly viewed far from the GRB jet's symmetry axis. Its afterglow was densely monitored over a wide range of frequencies and times. It has b…