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The Observable Signatures of GRB Cocoons
Ehud Nakar, Tsvi Piran
As a long GRB jet propagates within the surrounding stellar atmosphere it creates a cocoon composed of an outer Newtonian shocked stellar material and an inner (possibly relativist…
Type II supernovae Early Light Curves
Tomer Shussman, Roni Waldman, Ehud Nakar
Observations of type II supernova early light, from breakout until recombination, can be used to constrain the explosion energy and progenitor properties. Currently available for t…
The effect of cooling on particle trajectories and acceleration in relativistic magnetic reconnection
Daniel Kagan, Ehud Nakar, Tsvi Piran
The maximum synchrotron burnoff limit of 160 MeV represents a fundamental limit to radiation resulting from electromagnetic particle acceleration in one-zone ideal plasmas. In magn…
Radio Counterparts of Compact Binary Mergers detectable in Gravitational Waves: A Simulation for an Optimized Survey
Kenta Hotokezaka, Samaya Nissanke, Gregg Hallinan +3
Mergers of binary neutron stars and black hole-neutron star binaries produce gravitational-wave (GW) emission and outflows with significant kinetic energies. These outflows result…
The dynamics of radiation driven, optically thick winds
Rong-Feng Shen, Ehud Nakar, Tsvi Piran
Recent observation of some luminous transient sources with low color temperatures suggests that the emission is dominated by optically thick winds driven by super-Eddington accreti…
Type II supernovae progenitor and ejecta properties from the total emitted light, ET
Tomer Shussman, Ehud Nakar, Roni Waldman +1
It was recently shown that the bolometric light curves of type II supernovae (SNe) allow an accurate and robust measurement of the product of the radiation energy in the ejecta, $E…