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Cosmic Gamma-Ray Bursts: The Big Picture

  • Kevin Hurley
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 99)

Summary

A “typical” GRB occurs in a star-forming region of a galaxy at a redshift z∼1. In currently popular models, it is caused by the collapse of a massive star which has exhausted its nuclear fuel supply. The star collapses to a black hole threaded by a strong magnetic field, and possibly fed by an accretion torus. Through a variety of processes, electrons are accelerated and gamma-rays, X-rays, optical light, and radio emission ensue, with durations from seconds to years. In this talk, I will review the general observational properties of bursts, their afterglows and host galaxies, and some of the open questions about them.

Keywords

Black Hole Massive Star Host Galaxy Crab Nebula Optical Afterglow 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Kevin Hurley
    • 1
  1. 1.University of California Space Sciences LaboratoryBerkeleyUSA

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