GRB as explosions with standard power
K. A. Postnov (1,2), M. E. Prokhorov (2), V. M. Lipunov (1,2) ((1), Faculty of Physics, Moscow State University, (2) Sternberg Astronomical, Institute, Moscow State University)
TL;DR
This paper proposes that gamma-ray bursts (GRBs) have a standard energy release, and their observed energy distribution can be explained by variations in beaming angles or viewing angles, suggesting a universal emission mechanism.
Contribution
It introduces the hypothesis that GRBs share a standard energy release and explains their energy distribution through beaming or viewing angle variations.
Findings
Observed GRB energies are consistent with a standard energy of 5×10^51 ergs.
Differences in observed energies can be attributed to beaming angle variations or viewing angles.
The model explains the energy distribution without requiring different intrinsic energies.
Abstract
We show that the distribution of observed energies of GRB with known redshifts can be explained by the hypothesis of the standard energy release E_0=5 10^51 ergs. Two situations are possible, either the beaming angle differs from burst to burst, or there is a universal emssion diagram in each burst, the observed difference being due to different viewing angles.
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Taxonomy
TopicsGamma-ray bursts and supernovae · Astrophysics and Cosmic Phenomena · Pulsars and Gravitational Waves Research