AAS 200th meeting, Albuquerque, NM, June 2002
Session 59. Computational Techniques and Data Handling
Display, Wednesday, June 5, 2002, 10:00am-7:00pm, SW Exhibit Hall

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[59.02] Kinematics of Gamma-ray Burst Lightcurves with Structured Jets

J. D. Salmonson (Lawrence Livermore National Laboratory)

Recently, there have been several discoveries of global trends within the population of gamma-ray bursts (GRBs) including the anti-correlation of peak luminosity with GRB pulse lag, the anti-correlation of inferred isotropic energy with afterglow jet-break time, and the linear correlation of pulse lag with jet-break time. These relations have raised interest in the possibility of a unified GRB model in which this range of observations is due to a range of angles made by the jet axis of a single, structured jet. Such a structured relativistic jet will have the fastest material moving along the axis of the jet and slower material at larger angles. Numerical models will be shown of lightcurves of afterglows generated by these jets as seen at various angles of inclination.

This work was performed under the auspices of the U.S. Department of Energy by University of California Lawrence Livermore National Laboratory under contract W-7405-ENG-48.

If you would like more information about this abstract, please follow the link to http://home.attbi.com/~jdsalmonson/. This link was provided by the author. When you follow it, you will leave the Web site for this meeting; to return, you should use the Back comand on your browser.

The author(s) of this abstract have provided an email address for comments about the abstract: salmonson@llnl.gov

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Bulletin of the American Astronomical Society, 34
© 2002. The American Astronomical Soceity.