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The afterglows of gamma-ray bursts

Kulkarni, S. R. and Berger, E. and Bloom, J. S. and Chaffee, F. and Diercks, A. and Djorgovski, S. G. and Frail, D. A. and Galama, T. J. and Goodrich, R. W. and Harrison, F. A. and Sari, R. and Yost, S. A. (2001) The afterglows of gamma-ray bursts. In: Explosive Phenomena in Astrophysical Objects: First KIAS Astrophysics Workshop, Seoul, Korea, 24-27 May 2000. American Institute of Physics Conference Proceedings. No.556. American Institute of Physics , Melville, NY, pp. 240-260. ISBN 1563969874 http://resolver.caltech.edu/CaltechAUTHORS:KULaipcp01a

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Abstract

Gamma-ray burst astronomy has undergone a revolution in the last three years, spurred by the discovery of fading long-wavelength counterparts. We now know that at least the long duration GRBs lie at cosmological distances with estimated electromagnetic energy release of 10^51–10^53 erg, making these the brightest explosions in the Universe. In this article we review the current observational state, beginning with the statistics of X-ray, optical, and radio afterglow detections. We then discuss the insights these observations have given to the progenitor population, the energetics of the GRB events, and the physics of the afterglow emission. We focus particular attention on the evidence linking GRBs to the explosion of massive stars. Throughout, we identify remaining puzzles and uncertainties, and emphasize promising observational tools for addressing them. The imminent launch of HETE-2 and the increasingly sophisticated and coordinated ground-based and space-based observations have primed this field for fantastic growth. This overview is a combined write-up of talks given at this conference and in NASA's Goddard Space Flight Center.


Item Type:Book Section
Additional Information:©2001 American Institute of Physics. Issue Date: March 23, 2001. Our research is supported by NASA and NSF. JSB holds a Fannie & John Hertz Foundation Fellowship, AD holds a Millikan Postdoctoral Fellowship in Experimental Physics, TJG holds a Fairchild Foundation Postdoctoral Fellowship in Observational Astronomy and RS holds Fairchild Foundation Senior Fellowship in Theoretical Astrophysics. The VLA is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. The W.M. Keck Observatory is operated by the California Association for Research in Astronomy, a scientific partnership among California Institute of Technology, the University of California and the National Aeronautics and Space Administration. It was made possible by the generous financial support of the W.M. Keck Foundation.
Group:Space Radiation Laboratory
Subject Keywords:gamma-ray astronomy, gamma-ray sources (astronomical), transients, afterglows, astrophysical radiation mechanisms, stellar radiation, star formation, supernovae, galaxies, red shift, cosmology
Record Number:CaltechAUTHORS:KULaipcp01a
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:KULaipcp01a
Alternative URL:http://dx.doi.org/10.1063/1.1368281
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9383
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:17 Dec 2007
Last Modified:04 Mar 2013 18:51

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